Add new tests for xstormy16

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91870 138bc75d-0d04-0410-961f-82ee72b054a4

207 files changed, 7109 insertions, 12 deletions

diff --git a/gcc/testsuite/gcc.target/xstormy16/below100.S b/gcc/testsuite/gcc.target/xstormy16/below100.S
new file mode 100644
index 00000000000..25f9bc8caf9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/below100.S
@@ -0,0 +1,188 @@
+/******************************************************************

+***                                                             ***

+***     crt0 for __BELOW100__ attribute test with SID           ***

+***                                                             ***

+******************************************************************/

+

+                                /*************************************/

+                                /** Interrupt vectors at 0x8000     **/

+                                /*************************************/

+        .section .int_vec,"ax"

+        .global _start

+        .align 1

+_start:

+        jmpf _int_reset

+        //jmpf _int_basetimer

+        //jmpf _int_timer0

+        //jmpf _int_timer1

+        //jmpf _int_irq_4

+        //jmpf _int_irq_5

+        //jmpf _int_port0

+        //jmpf _int_port1

+        //jmpf _int_irq_8

+        //jmpf _int_irq_9

+        //jmpf _int_irq_a

+        //jmpf _int_irq_b

+        //jmpf _int_irq_c

+        //jmpf _int_irq_d

+        //jmpf _int_irq_e

+        //jmpf _int_irq_f

+                                /*************************************/

+                                /** reset code                      **/

+                                /*************************************/

+        .text

+_int_reset:

+                                /*************************************/

+                                /** setup stack pointer             **/

+                                /*************************************/

+        mov sp,#__stack

+                                /*************************************/

+                                /** zero .bss section               **/

+                                /*************************************/

+        mov r0,#__bss_start

+        mov r1,#__bss_end

+        mov r2,#0

+1:      mov.w (r0++),r2

+        blt r0,r1,1b

+                                /*************************************/

+                                /** copy inital value for .data     **/

+                                /*************************************/

+        mov r1,#__data_start

+        mov r3,#__data_end

+        mov r0,#@lo(__rdata)

+        mov r8,#@hi(__rdata)

+2:      movf.w r2,(r0++)

+        bnz r0,#0,3f

+        add r8,#1

+3:      mov.w (r1++),r2

+        blt r1,r3,2b

+                                /*************************************/

+                                /** call hardware init routine      **/

+                                /*************************************/

+        callf _hwinit

+                                /*************************************/

+                                /** call initializaton routines     **/

+                                /*************************************/

+        callf _init

+                                /*************************************/

+                                /** setup fini routines to be       **/

+                                /**  called from exit               **/

+                                /*************************************/

+        mov r2,#@fptr(_fini)

+        callf atexit

+                                /*************************************/

+                                /** call main() with empty          **/

+                                /**  argc/argv/envp                 **/

+                                /*************************************/

+        mov r2,#0

+        mov r3,#0

+        mov r4,#0

+        callf main

+                                /*************************************/

+                                /** return from main()              **/

+                                /*************************************/

+        callf exit

+                                /*************************************/

+                                /** should never reach this code    **/

+                                /*************************************/

+        jmpf _start

+                                /*************************************/

+                                /** default h/w initialize routine  **/

+                                /** and default _init/_finit for    **/

+                                /**  -nostartfiles option           **/

+                                /*************************************/

+        .globl _hwinit

+        .weak _hwinit

+_hwinit:

+        .globl _init

+        .weak _init

+_init:

+        .globl _fini

+        .weak _fini

+_fini:

+        ret

+

+/******************************************************************

+*******************************************************************

+***                                                             ***

+***       Chip information data for LC59_32K                    ***

+***                 Written by T.Matsukawa                      ***

+***                                                             ***

+*******************************************************************

+******************************************************************/

+

+                                /*************************************/

+                                /** Define convenient macros        **/

+                                /*************************************/

+#define BCD(x)  (((x)/10)%10)*0x10+((x)%10)

+#define BCD4(x) BCD((x)/100),BCD(x)

+#define BCD6(x) BCD((x)/10000),BCD((x)/100),BCD(x)

+                                /*************************************/

+                                /** Define memory sizes             **/

+                                /*************************************/

+#define RAM_SIZE 0x7E00

+#define ROM_SIZE 0x78000

+#define VRAM_SIZE 0x0000

+#define VRAM_ROW 0

+#define VRAM_COLUMN 0

+#define CGROM_SIZE 0x0000

+#define PROTECT_SIZE 0x0000

+

+                                /*************************************/

+                                /** section ".chip_info"            **/

+                                /*************************************/

+        .section .chip_info,"a"

+        .space  0xb8,0x00

+                                /*************************************/

+                                /** B8-BB : User option address     **/

+                                /*************************************/

+        .word   0x00000

+        .global __reset_vector

+#if 0x00000==0

+        .equ    __reset_vector,0x08000

+#else

+        .equ    __reset_vector,0x00000

+#endif

+                                /*************************************/

+                                /** BC-BF : Flash Protect address   **/

+                                /*************************************/

+#if PROTECT_SIZE==0

+        .word   0x00000000

+#else

+        .word   0x08000+ROM_SIZE-PROTECT_SIZE

+#endif

+                                /*************************************/

+                                /** C0-CF : Fixed string            **/

+                                /*************************************/

+        .ascii  "CHIPINFORMATION"

+1:      .space  (0xd0-1b),0x00

+                                /*************************************/

+                                /** D0-DF : Chipname                **/

+                                /*************************************/

+        .ascii  "LC59_32K"

+2:      .space  (0xe0-2b),0x00

+                                /*************************************/

+                                /** E0-E1 : Format version(BCD4)    **/

+                                /*************************************/

+        .byte   0x10, 0x00

+        .space  6, 0x00

+                                /*************************************/

+                                /** E8-F5 : Memory sizes            **/

+                                /*************************************/

+        .byte   BCD4(ROM_SIZE/1024)

+        .byte   BCD6(RAM_SIZE)

+        .byte   BCD6(VRAM_SIZE)

+        .byte   BCD4(VRAM_ROW)

+        .byte   BCD4(VRAM_COLUMN)

+        .byte   BCD4(CGROM_SIZE/1024)

+        .space  3, 0x00

+                                /*************************************/

+                                /** F9 : Package type               **/

+                                /*************************************/

+        .byte   0xff

+        .space  6, 0x00

+

+                                /*************************************/

+                                /** In order to link BIOS in library**/

+                                /*************************************/

+        .equ    dummy,__bios_entry

diff --git a/gcc/testsuite/gcc.target/xstormy16/below100.ld b/gcc/testsuite/gcc.target/xstormy16/below100.ld
new file mode 100644
index 00000000000..91c3e43f70f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/below100.ld
@@ -0,0 +1,192 @@
+/******************************************************************
+*******************************************************************
+***                                                             ***
+***     Linker script for xstormy16-elf-gcc                     ***
+***           For SID   RAM=0x7E00                              ***
+***                     ROM=0x78000                             ***
+***                                                             ***
+*******************************************************************
+******************************************************************/
+
+OUTPUT_FORMAT("elf32-xstormy16", "elf32-xstormy16", "elf32-xstormy16")
+OUTPUT_ARCH(xstormy16)
+ENTRY(_start)
+SEARCH_DIR( . )
+GROUP(-lc -lsim -lgcc)
+PROVIDE( __target_package = 0xff);
+
+__malloc_start = 0x7E00;
+
+MEMORY
+{
+	RAM (w)    : ORIGIN = 0x00000, LENGTH = 0x07E00
+	CHIP (r)   : ORIGIN = 0x07f00, LENGTH = 0x00100
+	ROM (!w)   : ORIGIN = 0x08000, LENGTH = 0x78000
+}
+
+SECTIONS
+{
+	/* Zero initialized data with the below100 attribute.  */
+	.bss_below100 : {
+		SHORT(0)
+		__bss_start = .;
+		*(.bss_below100)
+		*(.bss_below100.*)
+		. = ALIGN(2);
+	} > RAM
+	
+	/* Non-zero initialized data with the below100 attribute.  */
+	.data_below100 : AT ( __rdata ) {
+		__data_start = . ;
+	        *(.data_0)
+		*(.data_below100)
+		*(.data_below100.*)
+		. = ALIGN(2);
+	} > RAM = 0
+	
+        /* Normal non-zero initialized data.  */
+       .data : AT ( __rdata + SIZEOF(.data_below100) ) {
+		*(.data)
+		*(.data.*)
+		*(.gnu.linkonce.d.*)
+		SORT(CONSTRUCTORS)
+		. = ALIGN(2);
+		__data_end = . ;
+	} > RAM =0
+	
+        /* Normal zero initialized data.  */
+	.bss : AT (LOADADDR(.data) + SIZEOF(.data)) {
+        	*(.dynbss)
+		*(.bss)
+		*(.bss.*)
+		*(.gnu.linkonce.b.*)
+		*(COMMON)
+		. = ALIGN(2);
+		__bss_end = .;
+	} > RAM
+	
+        /* The top of stack.  */
+	__stack = .;
+
+        /* Target chip info.  */
+	.chip_info : {
+		KEEP(*(.chip_info))
+	} > CHIP =0
+	
+        /* Reset and interrupt vectors at 8000.  */
+	.int_vec : {
+	        KEEP(*(.int_vec))
+	} > ROM =0
+	
+        /* Read only data.  */
+	.rodata : {
+        	*(.rodata)
+		*(.rodata.*)
+		*(.gnu.linkonce.r.*)
+	} > ROM =0
+	
+        /* C++ Construcrtors and destructors.  */
+	.ctors : {
+		KEEP (*crtbegin.o(.ctors))
+		KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
+		KEEP (*(SORT(.ctors.*)))
+		KEEP (*(.ctors))
+	} > ROM =0
+	
+	.dtors : {
+        	KEEP (*crtbegin.o(.dtors))
+		KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
+		KEEP (*(SORT(.dtors.*)))
+		KEEP (*(.dtors))
+	} > ROM =0
+
+        /* Pointer lookup table.. */
+	.plt : {
+	        *(.plt)
+	} > ROM =0
+
+        /* Other information.  */
+	.jcr : {
+	        KEEP (*(.jcr))
+	} > ROM =0
+	
+	.eh_frame : {
+	        KEEP (*(.eh_frame))
+	} > ROM =0
+
+	.gcc_except_table : {
+	        KEEP (*(.gcc_except_table))
+	} > ROM =0
+
+        /* Initialization values for data.  */
+	.data_init (NOLOAD) : {
+		__rdata = .;
+		. += SIZEOF(.data_below100);
+		. += SIZEOF(.data);
+		. += SIZEOF(.bss);
+	} > ROM
+
+        /* Executable code.  */
+	.text : {
+		*(.text)
+		*(.text.*)
+		*(.stub)
+		*(.gnu.warning)
+		*(.gnu.linkonce.t.*)
+	} > ROM =0
+
+        /* Startup/finish code.  */
+	.init : {
+        	KEEP (*crti.o(.init))
+		KEEP (*(EXCLUDE_FILE (*crtn.o ) .init))
+		KEEP (*(SORT(.init.*)))
+		KEEP (*(.init))
+	} > ROM =0
+	
+	.fini : {
+        	KEEP (*crti.o(.fini))
+		KEEP (*(EXCLUDE_FILE (*crtn.o ) .fini))
+		KEEP (*(SORT(.fini.*)))
+		KEEP (*(.fini))
+	} > ROM =0
+
+        /* Stab debugging sections.  */
+	.stab          0 : { *(.stab) }
+	.stabstr       0 : { *(.stabstr) }
+	.stab.excl     0 : { *(.stab.excl) }
+	.stab.exclstr  0 : { *(.stab.exclstr) }
+	.stab.index    0 : { *(.stab.index) }
+	.stab.indexstr 0 : { *(.stab.indexstr) }
+	.comment       0 : { *(.comment) }
+
+        /* DWARF debug sections.  */	
+	/* Symbols in the DWARF debugging sections are relative to
+	   the beginning of the section so we begin them at 0.  */
+
+   	/* DWARF 1.  */
+	.debug 0 : { *(.debug) }
+	.line 0 : { *(.line) }
+
+	/* GNU DWARF 1 extensions.  */
+	.debug_srcinfo 0 : { *(.debug_srcinfo) }
+	.debug_sfnames 0 : { *(.debug_sfnames) }
+
+	/* DWARF 1.1 and DWARF 2.  */
+	.debug_aranges  0 : { *(.debug_aranges) }
+	.debug_pubnames 0 : { *(.debug_pubnames) }
+
+	/* DWARF 2.  */
+	.debug_info     0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
+	.debug_abbrev   0 : { *(.debug_abbrev) }
+	.debug_line     0 : { *(.debug_line) }
+	.debug_frame    0 : { *(.debug_frame) }
+	.debug_str      0 : { *(.debug_str) }
+	.debug_loc      0 : { *(.debug_loc) }
+	.debug_macinfo  0 : { *(.debug_macinfo) }
+
+        /* SGI/MIPS DWARF 2 extensions.  */
+	.debug_weaknames 0 : { *(.debug_weaknames) }
+	.debug_funcnames 0 : { *(.debug_funcnames) }
+	.debug_typenames 0 : { *(.debug_typenames) }
+	.debug_varnames  0 : { *(.debug_varnames) }
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/below_100.c b/gcc/testsuite/gcc.target/xstormy16/below_100.c
index dfa7e3bc92b..9433f2ad897 100644
--- a/gcc/testsuite/gcc.target/xstormy16/below_100.c
+++ b/gcc/testsuite/gcc.target/xstormy16/below_100.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2" } */
 /* { dg-final { scan-assembler "bn " } } */
-/* { dg-final { scan-assembler "bp " } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
 
 unsigned short   a_below __attribute__((__BELOW100__));
 unsigned short   b_below __attribute__((__BELOW100__));
diff --git a/gcc/testsuite/gcc.target/xstormy16/bp.c b/gcc/testsuite/gcc.target/xstormy16/bp.c
index 5cab932d3db..26ca6a3b4ad 100644
--- a/gcc/testsuite/gcc.target/xstormy16/bp.c
+++ b/gcc/testsuite/gcc.target/xstormy16/bp.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O2" } */
-/* { dg-final { scan-assembler "bp " } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
 
 #define a_val (*((volatile unsigned char *) 0x7f14))
 #define b_val (*((volatile unsigned char *) 0x7f10))
@@ -30,5 +30,3 @@ bar (void)
 
   return foo ();
 }
-
-
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/01_const_to_b100b.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/01_const_to_b100b.c
new file mode 100644
index 00000000000..2b4438c4c33
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/01_const_to_b100b.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b B100,#18" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__));
+unsigned char *p = &B100;
+
+void
+Do (void)
+{
+  B100 = 0x12;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0x12) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/02_const_to_b100w.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/02_const_to_b100w.c
new file mode 100644
index 00000000000..d011ffd664e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/02_const_to_b100w.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w B100,#4660" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 = 0x1234;
+}
+
+int
+main (void)
+{
+  *p = 0x9876;
+  Do ();
+  return (*p == 0x1234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/03_var_to_b100b.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/03_var_to_b100b.c
new file mode 100644
index 00000000000..bcc99118966
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/03_var_to_b100b.c
@@ -0,0 +1,22 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b B100,r" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__));
+unsigned char *p = &B100;
+
+unsigned char yData = 0x12;
+
+void
+Do (void)
+{
+  B100 = yData;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0x12) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/04_var_to_b100w.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/04_var_to_b100w.c
new file mode 100644
index 00000000000..ab4748871ad
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/04_var_to_b100w.c
@@ -0,0 +1,22 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w B100,r" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+unsigned short wData = 0x1234;
+
+void
+Do (void)
+{
+  B100 = wData;
+}
+
+int
+main (void)
+{
+  *p = 0x9876;
+  Do ();
+  return (*p == 0x1234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/05_b100b_to_var.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/05_b100b_to_var.c
new file mode 100644
index 00000000000..e5f57e80325
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/05_b100b_to_var.c
@@ -0,0 +1,22 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b r., *B100" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__));
+unsigned char *p = &B100;
+
+unsigned char yData = 0x12;
+
+void
+Do (void)
+{
+  yData = B100;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (yData == 0x34) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/06_b100w_to_var.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/06_b100w_to_var.c
new file mode 100644
index 00000000000..b19d9bcf418
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/06_b100w_to_var.c
@@ -0,0 +1,22 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,B100" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+unsigned short wData = 0x1234;
+
+void
+Do (void)
+{
+  wData = B100;
+}
+
+int
+main (void)
+{
+  *p = 0x3456;
+  Do ();
+  return (wData == 0x3456) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/10_set_b100b_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/10_set_b100b_bit_0.c
new file mode 100644
index 00000000000..f0965f1107d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/10_set_b100b_bit_0.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__));
+unsigned char *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x01;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0x35) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/10_set_b100b_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/10_set_b100b_bit_7.c
new file mode 100644
index 00000000000..8b14c43083c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/10_set_b100b_bit_7.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__));
+unsigned char *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x80;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0xb4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/11_clr_b100b_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/11_clr_b100b_bit_0.c
new file mode 100644
index 00000000000..79c265a2434
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/11_clr_b100b_bit_0.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__));
+unsigned char *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x01;
+}
+
+int
+main (void)
+{
+  *p = 0xcb;
+  Do ();
+  return (*p == 0xca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/11_clr_b100b_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/11_clr_b100b_bit_7.c
new file mode 100644
index 00000000000..d40e68f55e6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/11_clr_b100b_bit_7.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__));
+unsigned char *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x80;
+}
+
+int
+main (void)
+{
+  *p = 0xcb;
+  Do ();
+  return (*p == 0x4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/12_if1_b100b_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/12_if1_b100b_bit_0.c
new file mode 100644
index 00000000000..26b3711ea05
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/12_if1_b100b_bit_0.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x01)
+    {
+      if (B100B & 0x01)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/12_if1_b100b_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/12_if1_b100b_bit_3.c
new file mode 100644
index 00000000000..865ec549bd2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/12_if1_b100b_bit_3.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x08)
+    {
+      if (B100B & 0x08)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/12_if1_b100b_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/12_if1_b100b_bit_7.c
new file mode 100644
index 00000000000..efbe1243cc8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/12_if1_b100b_bit_7.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x80)
+    {
+      if (B100B & 0x80)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/13_if0_b100b_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/13_if0_b100b_bit_0.c
new file mode 100644
index 00000000000..81873954c1f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/13_if0_b100b_bit_0.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x01))
+    {
+      if (!(B100B & 0x01))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/13_if0_b100b_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/13_if0_b100b_bit_3.c
new file mode 100644
index 00000000000..3fc566aa98f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/13_if0_b100b_bit_3.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x08))
+    {
+      if (!(B100B & 0x08))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/13_if0_b100b_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/13_if0_b100b_bit_7.c
new file mode 100644
index 00000000000..bc90eaf953e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/13_if0_b100b_bit_7.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x80))
+    {
+      if (!(B100B & 0x80))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_0.c
new file mode 100644
index 00000000000..9164d05df3c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_0.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x0001;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x1235) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_7.c
new file mode 100644
index 00000000000..848c3241f14
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_7.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x0080;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x12b4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_8.c
new file mode 100644
index 00000000000..f843d12af4d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_8.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100\\+1,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x0100;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x1334) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_f.c
new file mode 100644
index 00000000000..bba6dc9f48f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/14_set_b100w_bit_f.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100\\+1,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x8000;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x9234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_0.c
new file mode 100644
index 00000000000..634f2fc651c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_0.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x0001;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xedca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_7.c
new file mode 100644
index 00000000000..4b7d1bd7247
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_7.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x0080;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xed4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_8.c
new file mode 100644
index 00000000000..1c5d4c40244
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_8.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100\\+1,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x0100;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xeccb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_f.c
new file mode 100644
index 00000000000..5140c6caf85
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/15_clr_b100w_bit_f.c
@@ -0,0 +1,20 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100\\+1,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__));
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x8000;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0x6dcb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_0.c
new file mode 100644
index 00000000000..fb6a1ba318b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_0.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x0001)
+    {
+      if (B100B & 0x0001)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_3.c
new file mode 100644
index 00000000000..c6246291453
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_3.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x0008)
+    {
+      if (B100B & 0x0008)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_7.c
new file mode 100644
index 00000000000..d1c3fbf569a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_7.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x0080)
+    {
+      if (B100B & 0x0080)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_8.c
new file mode 100644
index 00000000000..b1045420357
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_8.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x0100)
+    {
+      if (B100B & 0x0100)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_b.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_b.c
new file mode 100644
index 00000000000..8fbded125c8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_b.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x0800)
+    {
+      if (B100B & 0x0800)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_f.c
new file mode 100644
index 00000000000..ae97d96a809
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/16_if1_b100w_bit_f.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x8000)
+    {
+      if (B100B & 0x8000)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_0.c
new file mode 100644
index 00000000000..07c6e94d57d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_0.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x0001))
+    {
+      if (!(B100B & 0x0001))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_3.c
new file mode 100644
index 00000000000..f2dd3fba6ac
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_3.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x0008))
+    {
+      if (!(B100B & 0x0008))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_7.c
new file mode 100644
index 00000000000..af6eb6e1783
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_7.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x0080))
+    {
+      if (!(B100B & 0x0080))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_8.c
new file mode 100644
index 00000000000..d50f8f82b77
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_8.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x0100))
+    {
+      if (!(B100B & 0x0100))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_b.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_b.c
new file mode 100644
index 00000000000..28d5a39bb62
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_b.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x0800))
+    {
+      if (!(B100B & 0x0800))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_f.c
new file mode 100644
index 00000000000..6a3f7025fbc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/17_if0_b100w_bit_f.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x8000))
+    {
+      if (!(B100B & 0x8000))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/20_set_b100b_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/20_set_b100b_bitfield_0.c
new file mode 100644
index 00000000000..240e472991f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/20_set_b100b_bitfield_0.c
@@ -0,0 +1,32 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#0" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned char *p = (unsigned char *) &B100;
+
+void
+Do (void)
+{
+  B100.b0 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0x35) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/20_set_b100b_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/20_set_b100b_bitfield_7.c
new file mode 100644
index 00000000000..674e51a6469
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/20_set_b100b_bitfield_7.c
@@ -0,0 +1,32 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#7" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned char *p = (unsigned char *) &B100;
+
+void
+Do (void)
+{
+  B100.b7 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0xb4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/21_clr_b100b_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/21_clr_b100b_bitfield_0.c
new file mode 100644
index 00000000000..3846a96d218
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/21_clr_b100b_bitfield_0.c
@@ -0,0 +1,32 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#0" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned char *p = (unsigned char *) &B100;
+
+void
+Do (void)
+{
+  B100.b0 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xcb;
+  Do ();
+  return (*p == 0xca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/21_clr_b100b_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/21_clr_b100b_bitfield_7.c
new file mode 100644
index 00000000000..10174576f2d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/21_clr_b100b_bitfield_7.c
@@ -0,0 +1,32 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#7" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned char *p = (unsigned char *) &B100;
+
+void
+Do (void)
+{
+  B100.b7 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xcb;
+  Do ();
+  return (*p == 0x4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/22_if1_b100b_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/22_if1_b100b_bitfield_0.c
new file mode 100644
index 00000000000..9c4135776ad
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/22_if1_b100b_bitfield_0.c
@@ -0,0 +1,43 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b0)
+    {
+      if (B100B.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/22_if1_b100b_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/22_if1_b100b_bitfield_3.c
new file mode 100644
index 00000000000..86f0f22f137
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/22_if1_b100b_bitfield_3.c
@@ -0,0 +1,43 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b3)
+    {
+      if (B100B.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/22_if1_b100b_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/22_if1_b100b_bitfield_7.c
new file mode 100644
index 00000000000..0df2f55dde0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/22_if1_b100b_bitfield_7.c
@@ -0,0 +1,43 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b7)
+    {
+      if (B100B.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/23_if0_b100b_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/23_if0_b100b_bitfield_0.c
new file mode 100644
index 00000000000..9acd8a6f9e3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/23_if0_b100b_bitfield_0.c
@@ -0,0 +1,43 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b0)
+    {
+      if (!B100B.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/23_if0_b100b_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/23_if0_b100b_bitfield_3.c
new file mode 100644
index 00000000000..3ddbc1a103c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/23_if0_b100b_bitfield_3.c
@@ -0,0 +1,43 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b3)
+    {
+      if (!B100B.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/23_if0_b100b_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/23_if0_b100b_bitfield_7.c
new file mode 100644
index 00000000000..3c0802e1e38
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/23_if0_b100b_bitfield_7.c
@@ -0,0 +1,43 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b7)
+    {
+      if (!B100B.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_0.c
new file mode 100644
index 00000000000..d2fb5809643
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_0.c
@@ -0,0 +1,40 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b0 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x1235) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_7.c
new file mode 100644
index 00000000000..14825344076
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_7.c
@@ -0,0 +1,40 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b7 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x12b4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_8.c
new file mode 100644
index 00000000000..ce495b3ecdb
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_8.c
@@ -0,0 +1,40 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100\\+1,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b8 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x1334) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_f.c
new file mode 100644
index 00000000000..057f2d0231f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/24_set_b100w_bitfield_f.c
@@ -0,0 +1,40 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100\\+1,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b15 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x9234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_0.c
new file mode 100644
index 00000000000..f32a16bd938
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_0.c
@@ -0,0 +1,40 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b0 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xedca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_7.c
new file mode 100644
index 00000000000..b123c5e3ef2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_7.c
@@ -0,0 +1,40 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b7 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xed4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_8.c
new file mode 100644
index 00000000000..ed923a1d0ad
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_8.c
@@ -0,0 +1,40 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100\\+1,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b8 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xeccb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_f.c
new file mode 100644
index 00000000000..2e041151985
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_f.c
@@ -0,0 +1,40 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100\\+1,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__));
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b15 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0x6dcb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_0.c
new file mode 100644
index 00000000000..223de1284e8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_0.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b0)
+    {
+      if (B100B.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_3.c
new file mode 100644
index 00000000000..83b0a8a1525
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_3.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b3)
+    {
+      if (B100B.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_7.c
new file mode 100644
index 00000000000..89e71b89f76
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_7.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b7)
+    {
+      if (B100B.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_8.c
new file mode 100644
index 00000000000..044541bfe87
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_8.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#0," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b8)
+    {
+      if (B100B.b8)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_b.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_b.c
new file mode 100644
index 00000000000..e36934f8d62
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_b.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#3," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b11)
+    {
+      if (B100B.b11)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_f.c
new file mode 100644
index 00000000000..90d0bbd9bb1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/26_if1_b100w_bitfield_f.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#7," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b15)
+    {
+      if (B100B.b15)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_0.c
new file mode 100644
index 00000000000..a81359ca32c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_0.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b0)
+    {
+      if (!B100B.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_3.c
new file mode 100644
index 00000000000..d9eff1abb15
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_3.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b3)
+    {
+      if (!B100B.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_7.c
new file mode 100644
index 00000000000..1d643ea0217
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_7.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b7)
+    {
+      if (!B100B.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_8.c
new file mode 100644
index 00000000000..5a2b67863f4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_8.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#0," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b8)
+    {
+      if (!B100B.b8)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_b.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_b.c
new file mode 100644
index 00000000000..87f760b2220
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_b.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#3," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b11)
+    {
+      if (!B100B.b11)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_f.c
new file mode 100644
index 00000000000..1950ca27cdf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/bss_below100/27_if0_b100w_bitfield_f.c
@@ -0,0 +1,51 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#7," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__));
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__));
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b15)
+    {
+      if (!B100B.b15)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/01_const_to_b100b.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/01_const_to_b100b.c
new file mode 100644
index 00000000000..0ffc4bad8dc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/01_const_to_b100b.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b B100,#18" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *p = &B100;
+
+void
+Do (void)
+{
+  B100 = 0x12;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x12) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/02_const_to_b100w.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/02_const_to_b100w.c
new file mode 100644
index 00000000000..e2ad793c9e5
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/02_const_to_b100w.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w B100,#4660" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0x9876;
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 = 0x1234;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x1234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/03_var_to_b100b.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/03_var_to_b100b.c
new file mode 100644
index 00000000000..f78d18ab93b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/03_var_to_b100b.c
@@ -0,0 +1,21 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b B100,r" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *p = &B100;
+
+unsigned char yData = 0x12;
+
+void
+Do (void)
+{
+  B100 = yData;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x12) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/04_var_to_b100w.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/04_var_to_b100w.c
new file mode 100644
index 00000000000..b9f3c55cda4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/04_var_to_b100w.c
@@ -0,0 +1,21 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w B100,r" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0x9876;
+unsigned short *p = &B100;
+
+unsigned short wData = 0x1234;
+
+void
+Do (void)
+{
+  B100 = wData;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x1234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/05_b100b_to_var.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/05_b100b_to_var.c
new file mode 100644
index 00000000000..b2a0bd04c31
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/05_b100b_to_var.c
@@ -0,0 +1,21 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b r., *B100" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *p = &B100;
+
+unsigned char yData = 0x12;
+
+void
+Do (void)
+{
+  yData = B100;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (yData == 0x34) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/06_b100w_to_var.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/06_b100w_to_var.c
new file mode 100644
index 00000000000..50a6dd2a1ea
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/06_b100w_to_var.c
@@ -0,0 +1,21 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,B100" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0x3456;
+unsigned short *p = &B100;
+
+unsigned short wData = 0x1234;
+
+void
+Do (void)
+{
+  wData = B100;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (wData == 0x3456) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/10_set_b100b_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/10_set_b100b_bit_0.c
new file mode 100644
index 00000000000..f81d26a3c2d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/10_set_b100b_bit_0.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x01;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x35) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/10_set_b100b_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/10_set_b100b_bit_7.c
new file mode 100644
index 00000000000..2c519132e31
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/10_set_b100b_bit_7.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x80;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0xb4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/11_clr_b100b_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/11_clr_b100b_bit_0.c
new file mode 100644
index 00000000000..500f9baf411
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/11_clr_b100b_bit_0.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__)) = 0xcb;
+unsigned char *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x01;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0xca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/11_clr_b100b_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/11_clr_b100b_bit_7.c
new file mode 100644
index 00000000000..7c71f678974
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/11_clr_b100b_bit_7.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100 __attribute__ ((__BELOW100__)) = 0xcb;
+unsigned char *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x80;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/12_if1_b100b_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/12_if1_b100b_bit_0.c
new file mode 100644
index 00000000000..10dee715117
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/12_if1_b100b_bit_0.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__)) = 0xcb;
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x01)
+    {
+      if (B100B & 0x01)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/12_if1_b100b_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/12_if1_b100b_bit_3.c
new file mode 100644
index 00000000000..b36612409c8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/12_if1_b100b_bit_3.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__)) = 0xcb;
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x08)
+    {
+      if (B100B & 0x08)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/12_if1_b100b_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/12_if1_b100b_bit_7.c
new file mode 100644
index 00000000000..9906a663c42
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/12_if1_b100b_bit_7.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__)) = 0xcb;
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x80)
+    {
+      if (B100B & 0x80)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/13_if0_b100b_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/13_if0_b100b_bit_0.c
new file mode 100644
index 00000000000..04cc929138b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/13_if0_b100b_bit_0.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__)) = 0xcb;
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x01))
+    {
+      if (!(B100B & 0x01))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/13_if0_b100b_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/13_if0_b100b_bit_3.c
new file mode 100644
index 00000000000..cbda60c274e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/13_if0_b100b_bit_3.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__)) = 0xcb;
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x08))
+    {
+      if (!(B100B & 0x08))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/13_if0_b100b_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/13_if0_b100b_bit_7.c
new file mode 100644
index 00000000000..49143469dee
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/13_if0_b100b_bit_7.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned char B100A __attribute__ ((__BELOW100__)) = 0x34;
+unsigned char *pA = &B100A;
+unsigned char B100B __attribute__ ((__BELOW100__)) = 0xcb;
+unsigned char *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x80))
+    {
+      if (!(B100B & 0x80))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_0.c
new file mode 100644
index 00000000000..acce9e1d9fb
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_0.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x0001;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x1235) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_7.c
new file mode 100644
index 00000000000..35fe30f5d9c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_7.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x0080;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x12b4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_8.c
new file mode 100644
index 00000000000..cc337fc0426
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_8.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100\\+1,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x0100;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x1334) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_f.c
new file mode 100644
index 00000000000..1fce8df53b3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/14_set_b100w_bit_f.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100\\+1,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 |= 0x8000;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x9234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_0.c
new file mode 100644
index 00000000000..7c1c9b3e74d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_0.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x0001;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0xedca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_7.c
new file mode 100644
index 00000000000..fd707dc789d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_7.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x0080;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0xed4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_8.c
new file mode 100644
index 00000000000..7788de60bd9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_8.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100\\+1,#0" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x0100;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0xeccb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_f.c
new file mode 100644
index 00000000000..8046ee3708a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/15_clr_b100w_bit_f.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100\\+1,#7" } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100 __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *p = &B100;
+
+void
+Do (void)
+{
+  B100 &= ~0x8000;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x6dcb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_0.c
new file mode 100644
index 00000000000..a5df453aef4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_0.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x0001)
+    {
+      if (B100B & 0x0001)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_3.c
new file mode 100644
index 00000000000..8ff76e19d1b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_3.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x0008)
+    {
+      if (B100B & 0x0008)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_7.c
new file mode 100644
index 00000000000..8f542f31aa8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_7.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x0080)
+    {
+      if (B100B & 0x0080)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_8.c
new file mode 100644
index 00000000000..727104cb251
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_8.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x0100)
+    {
+      if (B100B & 0x0100)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_b.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_b.c
new file mode 100644
index 00000000000..74fd6696172
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_b.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x0800)
+    {
+      if (B100B & 0x0800)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_f.c
new file mode 100644
index 00000000000..79b3839d898
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/16_if1_b100w_bit_f.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (B100A & 0x8000)
+    {
+      if (B100B & 0x8000)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_0.c
new file mode 100644
index 00000000000..94dc08884c9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_0.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x0001))
+    {
+      if (!(B100B & 0x0001))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_3.c
new file mode 100644
index 00000000000..7bc005dbad4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_3.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x0008))
+    {
+      if (!(B100B & 0x0008))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_7.c
new file mode 100644
index 00000000000..64fcdc251cb
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_7.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x0080))
+    {
+      if (!(B100B & 0x0080))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_8.c
new file mode 100644
index 00000000000..6a118126e81
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_8.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#0," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x0100))
+    {
+      if (!(B100B & 0x0100))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_b.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_b.c
new file mode 100644
index 00000000000..59a2f3578ff
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_b.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#3," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x0800))
+    {
+      if (!(B100B & 0x0800))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_f.c
new file mode 100644
index 00000000000..3b271902bf9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/17_if0_b100w_bit_f.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#7," } } */
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+unsigned short B100A __attribute__ ((__BELOW100__)) = 0x1234;
+unsigned short *pA = &B100A;
+unsigned short B100B __attribute__ ((__BELOW100__)) = 0xedcb;
+unsigned short *pB = &B100B;
+
+char *
+Do (void)
+{
+  if (!(B100A & 0x8000))
+    {
+      if (!(B100B & 0x8000))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/20_set_b100b_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/20_set_b100b_bitfield_0.c
new file mode 100644
index 00000000000..fef1f2ed45d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/20_set_b100b_bitfield_0.c
@@ -0,0 +1,33 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#0" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0};
+unsigned char *p = (unsigned char *) &B100;
+
+void
+Do (void)
+{
+  B100.b0 = 1;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x35) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/20_set_b100b_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/20_set_b100b_bitfield_7.c
new file mode 100644
index 00000000000..b3900ca82ff
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/20_set_b100b_bitfield_7.c
@@ -0,0 +1,33 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#7" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0};
+unsigned char *p = (unsigned char *) &B100;
+
+void
+Do (void)
+{
+  B100.b7 = 1;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0xb4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/21_clr_b100b_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/21_clr_b100b_bitfield_0.c
new file mode 100644
index 00000000000..6106f386058
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/21_clr_b100b_bitfield_0.c
@@ -0,0 +1,33 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#0" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1};
+unsigned char *p = (unsigned char *) &B100;
+
+void
+Do (void)
+{
+  B100.b0 = 0;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0xca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/21_clr_b100b_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/21_clr_b100b_bitfield_7.c
new file mode 100644
index 00000000000..414eec653f4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/21_clr_b100b_bitfield_7.c
@@ -0,0 +1,33 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#7" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1};
+unsigned char *p = (unsigned char *) &B100;
+
+void
+Do (void)
+{
+  B100.b7 = 0;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/22_if1_b100b_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/22_if1_b100b_bitfield_0.c
new file mode 100644
index 00000000000..b950c518418
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/22_if1_b100b_bitfield_0.c
@@ -0,0 +1,45 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1};
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0};
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b0)
+    {
+      if (B100B.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/22_if1_b100b_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/22_if1_b100b_bitfield_3.c
new file mode 100644
index 00000000000..b9da6a5e652
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/22_if1_b100b_bitfield_3.c
@@ -0,0 +1,45 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1};
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0};
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b3)
+    {
+      if (B100B.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/22_if1_b100b_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/22_if1_b100b_bitfield_7.c
new file mode 100644
index 00000000000..667e892ea55
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/22_if1_b100b_bitfield_7.c
@@ -0,0 +1,45 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1};
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0};
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b7)
+    {
+      if (B100B.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/23_if0_b100b_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/23_if0_b100b_bitfield_0.c
new file mode 100644
index 00000000000..ebb63f74c9e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/23_if0_b100b_bitfield_0.c
@@ -0,0 +1,45 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0};
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1};
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b0)
+    {
+      if (!B100B.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/23_if0_b100b_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/23_if0_b100b_bitfield_3.c
new file mode 100644
index 00000000000..a16768e40cc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/23_if0_b100b_bitfield_3.c
@@ -0,0 +1,45 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0};
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1};
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b3)
+    {
+      if (!B100B.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/23_if0_b100b_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/23_if0_b100b_bitfield_7.c
new file mode 100644
index 00000000000..6f6d181e571
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/23_if0_b100b_bitfield_7.c
@@ -0,0 +1,45 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0};
+unsigned char *pA = (unsigned char *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1};
+unsigned char *pB = (unsigned char *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b7)
+    {
+      if (!B100B.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_0.c
new file mode 100644
index 00000000000..7ac5028af94
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_0.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b0 = 1;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x1235) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_7.c
new file mode 100644
index 00000000000..8ba664bedaf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_7.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b7 = 1;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x12b4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_8.c
new file mode 100644
index 00000000000..2a43500c188
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_8.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100\\+1,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b8 = 1;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x1334) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_f.c
new file mode 100644
index 00000000000..9ae5ce48b25
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/24_set_b100w_bitfield_f.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 B100\\+1,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b15 = 1;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x9234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_0.c
new file mode 100644
index 00000000000..94fdf696995
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_0.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b0 = 0;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0xedca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_7.c
new file mode 100644
index 00000000000..25f11a603c6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_7.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b7 = 0;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0xed4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_8.c
new file mode 100644
index 00000000000..d065be14659
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_8.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100\\+1,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b8 = 0;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0xeccb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_f.c
new file mode 100644
index 00000000000..4fbe7145555
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/25_clr_b100w_bitfield_f.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 B100\\+1,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100 __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *p = (unsigned short *) &B100;
+
+void
+Do (void)
+{
+  B100.b15 = 0;
+}
+
+int
+main (void)
+{
+  Do ();
+  return (*p == 0x6dcb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_0.c
new file mode 100644
index 00000000000..054c0f51e01
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_0.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b0)
+    {
+      if (B100B.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_3.c
new file mode 100644
index 00000000000..75ef36b3469
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_3.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b3)
+    {
+      if (B100B.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_7.c
new file mode 100644
index 00000000000..45df6371c09
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_7.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b7)
+    {
+      if (B100B.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_8.c
new file mode 100644
index 00000000000..187a4776168
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_8.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#0," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b8)
+    {
+      if (B100B.b8)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_b.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_b.c
new file mode 100644
index 00000000000..8cf4cfd53a4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_b.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#3," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b11)
+    {
+      if (B100B.b11)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_f.c
new file mode 100644
index 00000000000..235cef7d250
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/26_if1_b100w_bitfield_f.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#7," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (B100A.b15)
+    {
+      if (B100B.b15)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_0.c
new file mode 100644
index 00000000000..bb80aca8158
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_0.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#0," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b0)
+    {
+      if (!B100B.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_3.c
new file mode 100644
index 00000000000..5be55642680
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_3.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b3)
+    {
+      if (!B100B.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_7.c
new file mode 100644
index 00000000000..0725b554219
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_7.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B,#7," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b7)
+    {
+      if (!B100B.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_8.c
new file mode 100644
index 00000000000..2ad3642f845
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_8.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#0," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#0," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b8)
+    {
+      if (!B100B.b8)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_b.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_b.c
new file mode 100644
index 00000000000..e9af02f8e4d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_b.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#3," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#3," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b11)
+    {
+      if (!B100B.b11)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_f.c
new file mode 100644
index 00000000000..a13ec8c2cd4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/data_below100/27_if0_b100w_bitfield_f.c
@@ -0,0 +1,53 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#7," } } */
+/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#7," } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+char acDummy[0xf0] __attribute__ ((__BELOW100__));
+BitField B100A __attribute__ ((__BELOW100__)) =
+{
+0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
+unsigned short *pA = (unsigned short *) &B100A;
+BitField B100B __attribute__ ((__BELOW100__)) =
+{
+1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1};
+unsigned short *pB = (unsigned short *) &B100B;
+
+char *
+Do (void)
+{
+  if (!B100A.b15)
+    {
+      if (!B100B.b15)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/01_const_to_sfrb.c b/gcc/testsuite/gcc.target/xstormy16/sfr/01_const_to_sfrb.c
new file mode 100644
index 00000000000..96e4adcfb63
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/01_const_to_sfrb.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b 32532,#18" } } */
+
+#define SFR (*((volatile unsigned char*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR = 0x12;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0x12) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/02_const_to_sfrw.c b/gcc/testsuite/gcc.target/xstormy16/sfr/02_const_to_sfrw.c
new file mode 100644
index 00000000000..930ba4d967c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/02_const_to_sfrw.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w 32532,#4660" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR = 0x1234;
+}
+
+int
+main (void)
+{
+  *p = 0x9876;
+  Do ();
+  return (*p == 0x1234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/03_var_to_sfrb.c b/gcc/testsuite/gcc.target/xstormy16/sfr/03_var_to_sfrb.c
new file mode 100644
index 00000000000..8c4b1f1c735
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/03_var_to_sfrb.c
@@ -0,0 +1,21 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b 32532,r" } } */
+
+#define SFR (*((volatile unsigned char*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+unsigned char yData = 0x12;
+
+void
+Do (void)
+{
+  SFR = yData;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0x12) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/04_var_to_sfrw.c b/gcc/testsuite/gcc.target/xstormy16/sfr/04_var_to_sfrw.c
new file mode 100644
index 00000000000..c8d4a0e6660
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/04_var_to_sfrw.c
@@ -0,0 +1,21 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w 32532,r" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+unsigned short wData = 0x1234;
+
+void
+Do (void)
+{
+  SFR = wData;
+}
+
+int
+main (void)
+{
+  *p = 0x9876;
+  Do ();
+  return (*p == 0x1234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/05_sfrb_to_var.c b/gcc/testsuite/gcc.target/xstormy16/sfr/05_sfrb_to_var.c
new file mode 100644
index 00000000000..9471e295a7f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/05_sfrb_to_var.c
@@ -0,0 +1,21 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b r., *32532" } } */
+
+#define SFR (*((volatile unsigned char*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+unsigned char yData = 0x12;
+
+void
+Do (void)
+{
+  yData = SFR;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (yData == 0x34) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/06_sfrw_to_var.c b/gcc/testsuite/gcc.target/xstormy16/sfr/06_sfrw_to_var.c
new file mode 100644
index 00000000000..39cbab5c3e9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/06_sfrw_to_var.c
@@ -0,0 +1,21 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r6,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+unsigned short wData = 0x9876;
+
+void
+Do (void)
+{
+  wData = SFR;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (wData == 0x1234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/10_set_sfrb_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/10_set_sfrb_bit_0.c
new file mode 100644
index 00000000000..644afb59c0d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/10_set_sfrb_bit_0.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 32532,#0" } } */
+
+#define SFR (*((volatile unsigned char*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR |= 0x01;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0x35) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/10_set_sfrb_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/10_set_sfrb_bit_7.c
new file mode 100644
index 00000000000..90cd3c83f8a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/10_set_sfrb_bit_7.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 32532,#7" } } */
+
+#define SFR (*((volatile unsigned char*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR |= 0x80;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0xb4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/11_clr_sfrb_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/11_clr_sfrb_bit_0.c
new file mode 100644
index 00000000000..59d6153edd6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/11_clr_sfrb_bit_0.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 32532,#0" } } */
+
+#define SFR (*((volatile unsigned char*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR &= ~0x01;
+}
+
+int
+main (void)
+{
+  *p = 0xcb;
+  Do ();
+  return (*p == 0xca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/11_clr_sfrb_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/11_clr_sfrb_bit_7.c
new file mode 100644
index 00000000000..0cb7e1761c9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/11_clr_sfrb_bit_7.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 32532,#7" } } */
+
+#define SFR (*((volatile unsigned char*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR &= ~0x80;
+}
+
+int
+main (void)
+{
+  *p = 0xcb;
+  Do ();
+  return (*p == 0x4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/12_if1_sfrb_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/12_if1_sfrb_bit_0.c
new file mode 100644
index 00000000000..54b0b1f6dc2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/12_if1_sfrb_bit_0.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+#define SFRA (*((volatile unsigned char*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile unsigned char*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA & 0x01)
+    {
+      if (SFRB & 0x01)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/12_if1_sfrb_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/sfr/12_if1_sfrb_bit_3.c
new file mode 100644
index 00000000000..4a575cc9905
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/12_if1_sfrb_bit_3.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+#define SFRA (*((volatile unsigned char*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile unsigned char*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA & 0x08)
+    {
+      if (SFRB & 0x08)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/12_if1_sfrb_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/12_if1_sfrb_bit_7.c
new file mode 100644
index 00000000000..747cbdd9487
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/12_if1_sfrb_bit_7.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+#define SFRA (*((volatile unsigned char*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile unsigned char*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA & 0x80)
+    {
+      if (SFRB & 0x80)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/13_if0_sfrb_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/13_if0_sfrb_bit_0.c
new file mode 100644
index 00000000000..d149692064c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/13_if0_sfrb_bit_0.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+#define SFRA (*((volatile unsigned char*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile unsigned char*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!(SFRA & 0x01))
+    {
+      if (!(SFRB & 0x01))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/13_if0_sfrb_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/sfr/13_if0_sfrb_bit_3.c
new file mode 100644
index 00000000000..be6112cf119
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/13_if0_sfrb_bit_3.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+#define SFRA (*((volatile unsigned char*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile unsigned char*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!(SFRA & 0x08))
+    {
+      if (!(SFRB & 0x08))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/13_if0_sfrb_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/13_if0_sfrb_bit_7.c
new file mode 100644
index 00000000000..12e68cd5b27
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/13_if0_sfrb_bit_7.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+#define SFRA (*((volatile unsigned char*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile unsigned char*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!(SFRA & 0x80))
+    {
+      if (!(SFRB & 0x80))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_0.c
new file mode 100644
index 00000000000..00f4f78cc95
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_0.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR |= 0x0001;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x1235) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_3.c
new file mode 100644
index 00000000000..b5741fc485f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_3.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR |= 0x0008;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x123c) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_7.c
new file mode 100644
index 00000000000..ffcad45b2a7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_7.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR |= 0x0080;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x12b4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_8.c
new file mode 100644
index 00000000000..3f19329f285
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_8.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR |= 0x0100;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x1334) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_b.c b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_b.c
new file mode 100644
index 00000000000..b5e8bb9e270
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_b.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR |= 0x0800;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x1a34) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_f.c
new file mode 100644
index 00000000000..767e95ff481
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/14_set_sfrw_bit_f.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR |= 0x8000;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x9234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_0.c
new file mode 100644
index 00000000000..fcabe09948e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_0.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR &= ~0x0001;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xedca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_3.c
new file mode 100644
index 00000000000..26281be8761
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_3.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR &= ~0x0008;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xedc3) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_7.c
new file mode 100644
index 00000000000..15ff063f42a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_7.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR &= ~0x0080;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xed4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_8.c
new file mode 100644
index 00000000000..c44817a7306
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_8.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR &= ~0x0100;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xeccb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_b.c b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_b.c
new file mode 100644
index 00000000000..9f1c3a5e7bd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_b.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR &= ~0x0800;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xe5cb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_f.c
new file mode 100644
index 00000000000..46eef43c454
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/15_clr_sfrw_bit_f.c
@@ -0,0 +1,19 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFR (*((volatile unsigned short*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR &= ~0x8000;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0x6dcb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_0.c
new file mode 100644
index 00000000000..287dd7a832b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_0.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA & 0x0001)
+    {
+      if (SFRB & 0x0001)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_3.c
new file mode 100644
index 00000000000..719fa58dfd9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_3.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA & 0x0008)
+    {
+      if (SFRB & 0x0008)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_7.c
new file mode 100644
index 00000000000..1b361c5feee
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_7.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA & 0x0080)
+    {
+      if (SFRB & 0x0080)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_8.c
new file mode 100644
index 00000000000..c8a3ba7cb94
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_8.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA & 0x0100)
+    {
+      if (SFRB & 0x0100)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_b.c b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_b.c
new file mode 100644
index 00000000000..a0f5742c1a2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_b.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA & 0x0800)
+    {
+      if (SFRB & 0x0800)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_f.c
new file mode 100644
index 00000000000..5e91bb23e6b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/16_if1_sfrw_bit_f.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA & 0x8000)
+    {
+      if (SFRB & 0x8000)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_0.c
new file mode 100644
index 00000000000..ac5d87fe31d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_0.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!(SFRA & 0x0001))
+    {
+      if (!(SFRB & 0x0001))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_3.c b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_3.c
new file mode 100644
index 00000000000..fa77f1bd1e6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_3.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!(SFRA & 0x0008))
+    {
+      if (!(SFRB & 0x0008))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_7.c
new file mode 100644
index 00000000000..cb331f03435
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_7.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!(SFRA & 0x0080))
+    {
+      if (!(SFRB & 0x0080))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_8.c b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_8.c
new file mode 100644
index 00000000000..105bf4d8d8f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_8.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!(SFRA & 0x0100))
+    {
+      if (!(SFRB & 0x0100))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_b.c b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_b.c
new file mode 100644
index 00000000000..768cfb92b89
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_b.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!(SFRA & 0x0800))
+    {
+      if (!(SFRB & 0x0800))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_f.c b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_f.c
new file mode 100644
index 00000000000..533a3c61ace
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/17_if0_sfrw_bit_f.c
@@ -0,0 +1,29 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.w r.,32532" } } */
+
+#define SFRA (*((volatile unsigned short*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile unsigned short*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!(SFRA & 0x8000))
+    {
+      if (!(SFRB & 0x8000))
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/20_set_sfrb_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/20_set_sfrb_bitfield_0.c
new file mode 100644
index 00000000000..3879ed43889
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/20_set_sfrb_bitfield_0.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 32532,#0" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b0 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0x35) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/20_set_sfrb_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/20_set_sfrb_bitfield_7.c
new file mode 100644
index 00000000000..1b7bb877769
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/20_set_sfrb_bitfield_7.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 32532,#7" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b7 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x34;
+  Do ();
+  return (*p == 0xb4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/21_clr_sfrb_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/21_clr_sfrb_bitfield_0.c
new file mode 100644
index 00000000000..6f73231c7bc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/21_clr_sfrb_bitfield_0.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 32532,#0" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b0 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xcb;
+  Do ();
+  return (*p == 0xca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/21_clr_sfrb_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/21_clr_sfrb_bitfield_7.c
new file mode 100644
index 00000000000..10063e49286
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/21_clr_sfrb_bitfield_7.c
@@ -0,0 +1,31 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 32532,#7" } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned char *p = (unsigned char *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b7 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xcb;
+  Do ();
+  return (*p == 0x4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/22_if1_sfrb_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/22_if1_sfrb_bitfield_0.c
new file mode 100644
index 00000000000..bb8489b6c3b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/22_if1_sfrb_bitfield_0.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA.b0)
+    {
+      if (SFRB.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/22_if1_sfrb_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/sfr/22_if1_sfrb_bitfield_3.c
new file mode 100644
index 00000000000..96b441c04db
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/22_if1_sfrb_bitfield_3.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA.b3)
+    {
+      if (SFRB.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/22_if1_sfrb_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/22_if1_sfrb_bitfield_7.c
new file mode 100644
index 00000000000..ad7bebdc6a6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/22_if1_sfrb_bitfield_7.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA.b7)
+    {
+      if (SFRB.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xcb;
+  *pB = 0x34;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/23_if0_sfrb_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/23_if0_sfrb_bitfield_0.c
new file mode 100644
index 00000000000..dfa59a939d9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/23_if0_sfrb_bitfield_0.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!SFRA.b0)
+    {
+      if (!SFRB.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/23_if0_sfrb_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/sfr/23_if0_sfrb_bitfield_3.c
new file mode 100644
index 00000000000..c311877c761
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/23_if0_sfrb_bitfield_3.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!SFRA.b3)
+    {
+      if (!SFRB.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/23_if0_sfrb_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/23_if0_sfrb_bitfield_7.c
new file mode 100644
index 00000000000..2e4eea99095
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/23_if0_sfrb_bitfield_7.c
@@ -0,0 +1,41 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "b\[np\] " } } */
+
+typedef struct
+{
+  unsigned char b0:1;
+  unsigned char b1:1;
+  unsigned char b2:1;
+  unsigned char b3:1;
+  unsigned char b4:1;
+  unsigned char b5:1;
+  unsigned char b6:1;
+  unsigned char b7:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned char *pA = (unsigned char *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned char *pB = (unsigned char *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!SFRA.b7)
+    {
+      if (!SFRB.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x34;
+  *pB = 0xcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_0.c
new file mode 100644
index 00000000000..d2351681ce3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_0.c
@@ -0,0 +1,39 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 32532,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b0 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x1235) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_7.c
new file mode 100644
index 00000000000..6f1cf87df6e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_7.c
@@ -0,0 +1,39 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 32532,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b7 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x12b4) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_8.c
new file mode 100644
index 00000000000..9de4c0def78
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_8.c
@@ -0,0 +1,39 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 32533,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b8 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x1334) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_f.c
new file mode 100644
index 00000000000..e89757fb6ee
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/24_set_sfrw_bitfield_f.c
@@ -0,0 +1,39 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "set1 32533,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b15 = 1;
+}
+
+int
+main (void)
+{
+  *p = 0x1234;
+  Do ();
+  return (*p == 0x9234) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_0.c
new file mode 100644
index 00000000000..5acd858fc2d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_0.c
@@ -0,0 +1,39 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 32532,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b0 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xedca) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_7.c
new file mode 100644
index 00000000000..112714e99ab
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_7.c
@@ -0,0 +1,39 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 32532,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b7 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xed4b) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_8.c
new file mode 100644
index 00000000000..015f9bc15db
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_8.c
@@ -0,0 +1,39 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 32533,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b8 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0xeccb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_f.c
new file mode 100644
index 00000000000..0c85ffaa9b6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/25_clr_sfrw_bitfield_f.c
@@ -0,0 +1,39 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "clr1 32533,#7" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFR (*((volatile BitField*)0x7f14))
+unsigned short *p = (unsigned short *) 0x7f14;
+
+void
+Do (void)
+{
+  SFR.b15 = 0;
+}
+
+int
+main (void)
+{
+  *p = 0xedcb;
+  Do ();
+  return (*p == 0x6dcb) ? 0 : 1;
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_0.c
new file mode 100644
index 00000000000..d4861b21bda
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_0.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "bn 32532,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA.b0)
+    {
+      if (SFRB.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_3.c
new file mode 100644
index 00000000000..5318305dbdf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_3.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "bn 32532,#3" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA.b3)
+    {
+      if (SFRB.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_7.c
new file mode 100644
index 00000000000..85b86a0e97b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_7.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b r., *32532" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA.b7)
+    {
+      if (SFRB.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_8.c
new file mode 100644
index 00000000000..65412e3f567
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_8.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "bn 32533,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA.b8)
+    {
+      if (SFRB.b8)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_b.c b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_b.c
new file mode 100644
index 00000000000..951db3f2fbd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_b.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "bn 32533,#3" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA.b11)
+    {
+      if (SFRB.b11)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_f.c
new file mode 100644
index 00000000000..b51daa86202
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/26_if1_sfrw_bitfield_f.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b r., *32533" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (SFRA.b15)
+    {
+      if (SFRB.b15)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0xedcb;
+  *pB = 0x1234;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_0.c b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_0.c
new file mode 100644
index 00000000000..0680d4f03b7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_0.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "bp 32532,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!SFRA.b0)
+    {
+      if (!SFRB.b0)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_3.c b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_3.c
new file mode 100644
index 00000000000..17f07f907b0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_3.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "bp 32532,#3" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!SFRA.b3)
+    {
+      if (!SFRB.b3)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_7.c b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_7.c
new file mode 100644
index 00000000000..2c1cab89c56
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_7.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b r., *32532" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!SFRA.b7)
+    {
+      if (!SFRB.b7)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_8.c b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_8.c
new file mode 100644
index 00000000000..2353cad4efa
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_8.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "bp 32533,#0" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!SFRA.b8)
+    {
+      if (!SFRB.b8)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_b.c b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_b.c
new file mode 100644
index 00000000000..123cb060590
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_b.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "bp 32533,#3" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!SFRA.b11)
+    {
+      if (!SFRB.b11)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_f.c b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_f.c
new file mode 100644
index 00000000000..daf5090d228
--- /dev/null
+++ b/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_f.c
@@ -0,0 +1,49 @@
+/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
+/* { dg-final { scan-assembler "mov.b r., *32533" } } */
+
+typedef struct
+{
+  unsigned short b0:1;
+  unsigned short b1:1;
+  unsigned short b2:1;
+  unsigned short b3:1;
+  unsigned short b4:1;
+  unsigned short b5:1;
+  unsigned short b6:1;
+  unsigned short b7:1;
+  unsigned short b8:1;
+  unsigned short b9:1;
+  unsigned short b10:1;
+  unsigned short b11:1;
+  unsigned short b12:1;
+  unsigned short b13:1;
+  unsigned short b14:1;
+  unsigned short b15:1;
+} BitField;
+
+#define SFRA (*((volatile BitField*)0x7f14))
+unsigned short *pA = (unsigned short *) 0x7f14;
+#define SFRB (*((volatile BitField*)0x7f10))
+unsigned short *pB = (unsigned short *) 0x7f10;
+
+char *
+Do (void)
+{
+  if (!SFRA.b15)
+    {
+      if (!SFRB.b15)
+	return "Fail";
+      else
+	return "Success";
+    }
+  else
+    return "Fail";
+}
+
+int
+main (void)
+{
+  *pA = 0x1234;
+  *pB = 0xedcb;
+  return Do ()[0] == 'F';
+}
diff --git a/gcc/testsuite/gcc.target/xstormy16/xstormy16.exp b/gcc/testsuite/gcc.target/xstormy16/xstormy16.exp
index 2961cf1b881..49d32ec249d 100644
--- a/gcc/testsuite/gcc.target/xstormy16/xstormy16.exp
+++ b/gcc/testsuite/gcc.target/xstormy16/xstormy16.exp
@@ -6,18 +6,37 @@ if {![istarget xstormy16-*-*]} {
 
 load_lib gcc-dg.exp
 
-# If a testcase doesn't have special options, use these.
-global DEFAULT_CFLAGS
-if ![info exists DEFAULT_CFLAGS] then {
-    set DEFAULT_CFLAGS " -ansi -pedantic-errors"
-}
-
 # Initialize `dg'.
 dg-init
 
+# Assemble the below100.S file which contains
+# support code for the rest of the tests.
+set old-dg-do-what-default "${dg-do-what-default}"
+set dg-do-what-default assemble
+dg-test -keep-output "$srcdir/$subdir/below100.S" "" ""
+set dg-do-what-default run
+
+
 # Main loop.
-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cS\]]] \
-	"" $DEFAULT_CFLAGS
+foreach testcase [lsort [find $srcdir/$subdir *.c]] {
+    global test_counts;
+
+    set base "[file rootname [file tail $testcase]]"
+
+    if ![runtest_file_p $runtests $testcase] {
+        continue
+    }
+
+    set fails_before $test_counts(FAIL,count)
+    dg-test $testcase "--save-temps -fno-inline-functions -L$srcdir/$subdir" ""
+    set fails_after $test_counts(FAIL,count)
+
+    if { $fails_before == $fails_after } {
+        catch "exec rm -f $base.i $base.s $base.o"
+    }
+}
+
+set dg-do-what-default "${old-dg-do-what-default}"
 
 # All done.
 dg-finish