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arm: testsuite: improve compatibility of ftest-armv7m-thumb.c

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This test is specific to armv7m cores which do not support hardware
floating-point.  We can improve its compatibility by having the default
options for this core specify -mfloat-abi=soft.

gcc/testsuite:

	* lib/target-supports.exp (check_effective_target_arm_arch_FUNC_ok):
	Use soft-float ABI for armv7m.
	* gcc.target/arm/ftest-armv7m-thumb.c: Use dg-require-effective-target
	to check flag compatibility.
This commit is contained in:
Richard Earnshaw 2023-11-06 14:57:26 +00:00
parent 929dc1f10d
commit b9bed256c9
2 changed files with 2 additions and 3 deletions
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3
gcc/testsuite/gcc.target/arm/ftest-armv7m-thumb.c
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@ -1,6 +1,5 @@
/* { dg-do compile } */
/* { dg-skip-if "avoid conflicting multilib options" { *-*-* } { "-march=*" } { "-march=arm7-m" } } */
/* { dg-skip-if "avoid conflicting multilib options" { *-*-* } { "-marm" } { "" } } */
/* { dg-require-effective-target arm_arch_v7m_ok }
/* { dg-options "-mthumb" } */
/* { dg-add-options arm_arch_v7m } */

2
gcc/testsuite/lib/target-supports.exp
View file

@ -5425,7 +5425,7 @@ foreach { armfunc armflag armdefs } {
v6m "-march=armv6-m -mthumb -mfloat-abi=soft" __ARM_ARCH_6M__
v7a "-march=armv7-a+fp" __ARM_ARCH_7A__
v7r "-march=armv7-r+fp" __ARM_ARCH_7R__
v7m "-march=armv7-m -mthumb" __ARM_ARCH_7M__
v7m "-march=armv7-m -mthumb -mfloat-abi=soft" __ARM_ARCH_7M__
v7em "-march=armv7e-m+fp -mthumb" __ARM_ARCH_7EM__
v7ve "-march=armv7ve+fp -marm"
"__ARM_ARCH_7A__ && __ARM_FEATURE_IDIV"