float128-mul-underflow.c, [...]: New tests.

gcc/testsuite:
	* gcc.dg/torture/float128-mul-underflow.c,
	gcc.dg/torture/float128-truncdf-underflow.c,
	gcc.dg/torture/float128-truncsf-underflow.c: New tests.

libgcc:
	* soft-fp/adddf3.c: Update from glibc.
	* soft-fp/addsf3.c: Likewise.
	* soft-fp/addtf3.c: Likewise.
	* soft-fp/divdf3.c: Likewise.
	* soft-fp/divsf3.c: Likewise.
	* soft-fp/divtf3.c: Likewise.
	* soft-fp/double.h: Likewise.
	* soft-fp/eqdf2.c: Likewise.
	* soft-fp/eqsf2.c: Likewise.
	* soft-fp/eqtf2.c: Likewise.
	* soft-fp/extenddftf2.c: Likewise.
	* soft-fp/extended.h: Likewise.
	* soft-fp/extendsfdf2.c: Likewise.
	* soft-fp/extendsftf2.c: Likewise.
	* soft-fp/extendxftf2.c: Likewise.
	* soft-fp/fixdfdi.c: Likewise.
	* soft-fp/fixdfsi.c: Likewise.
	* soft-fp/fixdfti.c: Likewise.
	* soft-fp/fixsfdi.c: Likewise.
	* soft-fp/fixsfsi.c: Likewise.
	* soft-fp/fixsfti.c: Likewise.
	* soft-fp/fixtfdi.c: Likewise.
	* soft-fp/fixtfsi.c: Likewise.
	* soft-fp/fixtfti.c: Likewise.
	* soft-fp/fixunsdfdi.c: Likewise.
	* soft-fp/fixunsdfsi.c: Likewise.
	* soft-fp/fixunsdfti.c: Likewise.
	* soft-fp/fixunssfdi.c: Likewise.
	* soft-fp/fixunssfsi.c: Likewise.
	* soft-fp/fixunssfti.c: Likewise.
	* soft-fp/fixunstfdi.c: Likewise.
	* soft-fp/fixunstfsi.c: Likewise.
	* soft-fp/fixunstfti.c: Likewise.
	* soft-fp/floatdidf.c: Likewise.
	* soft-fp/floatdisf.c: Likewise.
	* soft-fp/floatditf.c: Likewise.
	* soft-fp/floatsidf.c: Likewise.
	* soft-fp/floatsisf.c: Likewise.
	* soft-fp/floatsitf.c: Likewise.
	* soft-fp/floattidf.c: Likewise.
	* soft-fp/floattisf.c: Likewise.
	* soft-fp/floattitf.c: Likewise.
	* soft-fp/floatundidf.c: Likewise.
	* soft-fp/floatundisf.c: Likewise.
	* soft-fp/floatunditf.c: Likewise.
	* soft-fp/floatunsidf.c: Likewise.
	* soft-fp/floatunsisf.c: Likewise.
	* soft-fp/floatunsitf.c: Likewise.
	* soft-fp/floatuntidf.c: Likewise.
	* soft-fp/floatuntisf.c: Likewise.
	* soft-fp/floatuntitf.c: Likewise.
	* soft-fp/gedf2.c: Likewise.
	* soft-fp/gesf2.c: Likewise.
	* soft-fp/getf2.c: Likewise.
	* soft-fp/ledf2.c: Likewise.
	* soft-fp/lesf2.c: Likewise.
	* soft-fp/letf2.c: Likewise.
	* soft-fp/muldf3.c: Likewise.
	* soft-fp/mulsf3.c: Likewise.
	* soft-fp/multf3.c: Likewise.
	* soft-fp/negdf2.c: Likewise.
	* soft-fp/negsf2.c: Likewise.
	* soft-fp/negtf2.c: Likewise.
	* soft-fp/op-1.h: Likewise.
	* soft-fp/op-2.h: Likewise.
	* soft-fp/op-4.h: Likewise.
	* soft-fp/op-8.h: Likewise.
	* soft-fp/op-common.h: Likewise.
	* soft-fp/quad.h: Likewise.
	* soft-fp/single.h: Likewise.
	* soft-fp/soft-fp.h: Likewise.
	* soft-fp/subdf3.c: Likewise.
	* soft-fp/subsf3.c: Likewise.
	* soft-fp/subtf3.c: Likewise.
	* soft-fp/truncdfsf2.c: Likewise.
	* soft-fp/trunctfdf2.c: Likewise.
	* soft-fp/trunctfsf2.c: Likewise.
	* soft-fp/trunctfxf2.c: Likewise.
	* soft-fp/unorddf2.c: Likewise.
	* soft-fp/unordsf2.c: Likewise.
	* soft-fp/unordtf2.c: Likewise.
	* config/aarch64/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): New
	macro.
	* config/arm/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/c6x/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/cris/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/i386/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/ia64/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/lm32/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/mips/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/moxie/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/nds32/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/nios2/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/rs6000/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/score/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/tilegx/sfp-machine32.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/tilegx/sfp-machine64.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.
	* config/tilepro/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING):
	Likewise.

From-SVN: r207742

16 files changed, 39 insertions, 0 deletions

diff --git a/libgcc/config/aarch64/sfp-machine.h b/libgcc/config/aarch64/sfp-machine.h
index ddb67fb1c2b..203e478db48 100644
--- a/libgcc/config/aarch64/sfp-machine.h
+++ b/libgcc/config/aarch64/sfp-machine.h
@@ -80,6 +80,8 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
 	(FP_EX_INVALID | FP_EX_DIVZERO | FP_EX_OVERFLOW | FP_EX_UNDERFLOW \
 	 | FP_EX_INEXACT)
 
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 void __sfp_handle_exceptions (int);
 
 #define FP_HANDLE_EXCEPTIONS			\
diff --git a/libgcc/config/arm/sfp-machine.h b/libgcc/config/arm/sfp-machine.h
index bb34895ebf4..03236173361 100644
--- a/libgcc/config/arm/sfp-machine.h
+++ b/libgcc/config/arm/sfp-machine.h
@@ -48,6 +48,8 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/c6x/sfp-machine.h b/libgcc/config/c6x/sfp-machine.h
index 3abc2a39c8e..9b7a02e9fec 100644
--- a/libgcc/config/c6x/sfp-machine.h
+++ b/libgcc/config/c6x/sfp-machine.h
@@ -78,6 +78,9 @@
 # define __BYTE_ORDER __LITTLE_ENDIAN
 #endif
 
+/* Not checked.  */
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 
 /* Define ALIASNAME as a strong alias for NAME.  */
 # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
diff --git a/libgcc/config/cris/sfp-machine.h b/libgcc/config/cris/sfp-machine.h
index ed3596f9243..abef282e047 100644
--- a/libgcc/config/cris/sfp-machine.h
+++ b/libgcc/config/cris/sfp-machine.h
@@ -67,6 +67,9 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+/* Not checked.  */
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/i386/sfp-machine.h b/libgcc/config/i386/sfp-machine.h
index 4587b132d44..148044a6920 100644
--- a/libgcc/config/i386/sfp-machine.h
+++ b/libgcc/config/i386/sfp-machine.h
@@ -65,6 +65,8 @@ void __sfp_handle_exceptions (int);
 #define FP_ROUNDMODE		(_fcw & FP_RND_MASK)
 #endif
 
+#define _FP_TININESS_AFTER_ROUNDING 1
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/ia64/sfp-machine.h b/libgcc/config/ia64/sfp-machine.h
index e06bc9a4b57..0769fc67c75 100644
--- a/libgcc/config/ia64/sfp-machine.h
+++ b/libgcc/config/ia64/sfp-machine.h
@@ -57,6 +57,8 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
 #define FP_EX_UNDERFLOW		0x10
 #define FP_EX_INEXACT		0x20
 
+#define _FP_TININESS_AFTER_ROUNDING 1
+
 void __sfp_handle_exceptions (int);
 
 #define FP_HANDLE_EXCEPTIONS			\
diff --git a/libgcc/config/lm32/sfp-machine.h b/libgcc/config/lm32/sfp-machine.h
index 6dc15ba2d0b..f3f2e9adbd5 100644
--- a/libgcc/config/lm32/sfp-machine.h
+++ b/libgcc/config/lm32/sfp-machine.h
@@ -41,6 +41,9 @@
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+/* Not checked.  */
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/mips/sfp-machine.h b/libgcc/config/mips/sfp-machine.h
index 808570ec9f7..e9d33b7dcb1 100644
--- a/libgcc/config/mips/sfp-machine.h
+++ b/libgcc/config/mips/sfp-machine.h
@@ -163,6 +163,8 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
 #define FP_EX_INEXACT           (1 << 0)
 #endif
 
+#define _FP_TININESS_AFTER_ROUNDING 1
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/moxie/sfp-machine.h b/libgcc/config/moxie/sfp-machine.h
index 139d3ea4866..6394de30b77 100644
--- a/libgcc/config/moxie/sfp-machine.h
+++ b/libgcc/config/moxie/sfp-machine.h
@@ -46,6 +46,9 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+/* Not checked.  */
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/nds32/sfp-machine.h b/libgcc/config/nds32/sfp-machine.h
index 68272590240..aeda774f86d 100644
--- a/libgcc/config/nds32/sfp-machine.h
+++ b/libgcc/config/nds32/sfp-machine.h
@@ -76,6 +76,9 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+/* Not checked.  */
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/nios2/sfp-machine.h b/libgcc/config/nios2/sfp-machine.h
index 39885e39a0f..9e7c60b3cfc 100644
--- a/libgcc/config/nios2/sfp-machine.h
+++ b/libgcc/config/nios2/sfp-machine.h
@@ -63,6 +63,9 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+/* Not checked.  */
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/rs6000/sfp-machine.h b/libgcc/config/rs6000/sfp-machine.h
index 58c8721bcfc..40436337ffb 100644
--- a/libgcc/config/rs6000/sfp-machine.h
+++ b/libgcc/config/rs6000/sfp-machine.h
@@ -46,6 +46,8 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/score/sfp-machine.h b/libgcc/config/score/sfp-machine.h
index 139d3ea4866..6394de30b77 100644
--- a/libgcc/config/score/sfp-machine.h
+++ b/libgcc/config/score/sfp-machine.h
@@ -46,6 +46,9 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+/* Not checked.  */
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/tilegx/sfp-machine32.h b/libgcc/config/tilegx/sfp-machine32.h
index 31a203252fc..1fefb5a41ce 100644
--- a/libgcc/config/tilegx/sfp-machine32.h
+++ b/libgcc/config/tilegx/sfp-machine32.h
@@ -50,6 +50,8 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/tilegx/sfp-machine64.h b/libgcc/config/tilegx/sfp-machine64.h
index 7cf352e63f5..3e2bd41e6a9 100644
--- a/libgcc/config/tilegx/sfp-machine64.h
+++ b/libgcc/config/tilegx/sfp-machine64.h
@@ -50,6 +50,8 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321
 
diff --git a/libgcc/config/tilepro/sfp-machine.h b/libgcc/config/tilepro/sfp-machine.h
index a921533e144..6953d8d8db7 100644
--- a/libgcc/config/tilepro/sfp-machine.h
+++ b/libgcc/config/tilepro/sfp-machine.h
@@ -45,6 +45,8 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+#define _FP_TININESS_AFTER_ROUNDING 0
+
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321