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-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/config/arm/arm.c2
-rw-r--r--gcc/config/arm/arm.h3
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gcc.target/arm/cmse/baseline/softfp.c4
5 files changed, 17 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 597dca78773..774c4f7ce63 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2018-12-19 Thomas Preud'homme <thomas.preudhomme@linaro.org>
+
+ * config/arm/arm.h (TARGET_HARD_FLOAT): Restrict to TARGET_32BIT
+ targets.
+ * config/arm/arm.c (output_return_instruction): Only check
+ TARGET_HARD_FLOAT to decide whether FP instructions are available.
+
2018-12-19 Tom de Vries <tom@codesourcery.com>
* doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 40f0574e32e..509f287aa63 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -19872,7 +19872,7 @@ output_return_instruction (rtx operand, bool really_return, bool reverse,
"msr%s\tAPSR_nzcvq, %%|lr", conditional);
output_asm_insn (instr, & operand);
- if (TARGET_HARD_FLOAT && !TARGET_THUMB1)
+ if (TARGET_HARD_FLOAT)
{
/* Clear the cumulative exception-status bits (0-4,7) and the
condition code bits (28-31) of the FPSCR. We need to
diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h
index ab63fc5797a..b01486a6917 100644
--- a/gcc/config/arm/arm.h
+++ b/gcc/config/arm/arm.h
@@ -125,7 +125,8 @@ extern tree arm_fp16_type_node;
/* Use hardware floating point instructions. */
#define TARGET_HARD_FLOAT (arm_float_abi != ARM_FLOAT_ABI_SOFT \
&& bitmap_bit_p (arm_active_target.isa, \
- isa_bit_vfpv2))
+ isa_bit_vfpv2) \
+ && TARGET_32BIT)
#define TARGET_SOFT_FLOAT (!TARGET_HARD_FLOAT)
/* User has permitted use of FP instructions, if they exist for this
target. */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 31aff7d80c1..a53180b8088 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2018-12-19 Thomas Preud'homme <thomas.preudhomme@linaro.org>
+
+ * gcc.target/arm/cmse/baseline/softfp.c: Force an FPU.
+
2018-12-19 Tom de Vries <tdevries@suse.de>
* gcc.dg/goacc/nvptx-merged-loop.c: Move to
diff --git a/gcc/testsuite/gcc.target/arm/cmse/baseline/softfp.c b/gcc/testsuite/gcc.target/arm/cmse/baseline/softfp.c
index 3d383ff6ee1..30b3eec078c 100644
--- a/gcc/testsuite/gcc.target/arm/cmse/baseline/softfp.c
+++ b/gcc/testsuite/gcc.target/arm/cmse/baseline/softfp.c
@@ -1,5 +1,7 @@
/* { dg-do compile } */
-/* { dg-options "-mcmse -mfloat-abi=softfp" } */
+/* Force an FPU to test that it is ignored for Thumb-1 -like targets and that
+ no clearing of VFP register occurs. */
+/* { dg-options "-mcmse -mfloat-abi=softfp -mfpu=fpv5-d16" } */
double __attribute__ ((cmse_nonsecure_call)) (*bar) (float, double);