diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/doc/sourcebuild.texi | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/copysign_softfloat_1.c | 10 | ||||
| -rw-r--r-- | gcc/testsuite/lib/target-supports.exp | 13 |
5 files changed, 33 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0308f35..f3fe4f6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2018-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + * doc/sourcebuild.texi (arm_softfloat): Document. + 2018-01-21 John David Anglin <danglin@gcc.gnu.org> PR gcc/77734 diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi index f0233c9..69fbf6a 100644 --- a/gcc/doc/sourcebuild.texi +++ b/gcc/doc/sourcebuild.texi @@ -1650,6 +1650,10 @@ ARM target adheres to the VFP and Advanced SIMD Register Arguments variant of the ABI for the ARM Architecture (as selected with @code{-mfloat-abi=hard}). +@item arm_softfloat +ARM target uses the soft-float ABI with no floating-point instructions +used whatsoever (as selected with @code{-mfloat-abi=soft}). + @item arm_hard_vfp_ok ARM target supports @code{-mfpu=vfp -mfloat-abi=hard}. Some multilibs may be incompatible with these options. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8937561..a63fa4a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2018-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + * lib/target-supports.exp (check_effective_target_arm_softfloat): + New procedure. + * gcc.target/arm/copysign_softfloat_1.c: Allow running everywhere. + Adjust scan-assembler checks for soft-float. + 2018-01-21 Bill Schmidt <wschmidt@linux.vnet.ibm.com> PR target/83946 diff --git a/gcc/testsuite/gcc.target/arm/copysign_softfloat_1.c b/gcc/testsuite/gcc.target/arm/copysign_softfloat_1.c index d79d014..fdbeead 100644 --- a/gcc/testsuite/gcc.target/arm/copysign_softfloat_1.c +++ b/gcc/testsuite/gcc.target/arm/copysign_softfloat_1.c @@ -1,8 +1,8 @@ /* { dg-do run } */ /* { dg-require-effective-target arm_thumb2_ok } */ -/* { dg-require-effective-target arm_soft_ok } */ -/* { dg-skip-if "skip override" { *-*-* } { "-mfloat-abi=softfp" "-mfloat-abi=hard" } { "" } } */ -/* { dg-options "-O2 -mfloat-abi=soft --save-temps" } */ +/* { dg-add-options arm_arch_v6t2 } */ +/* { dg-additional-options "-O2 --save-temps" } */ + extern void abort (void); #define N 16 @@ -42,8 +42,8 @@ main (int argc, char **argv) { int index = 0; -/* { dg-final { scan-assembler-times "bfi" 2 } } */ -/* { dg-final { scan-assembler-times "lsr" 1 } } */ +/* { dg-final { scan-assembler-times "bfi" 2 { target arm_softfloat } } } */ +/* { dg-final { scan-assembler-times "lsr" 1 { target arm_softfloat } } } */ for (index; index < N; index++) { if (__builtin_copysignf (a_f[index], b_f[index]) != c_f[index]) diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index b4b6f32..720914b 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -4885,6 +4885,19 @@ proc check_effective_target_arm_hf_eabi { } { }] } +# Return 1 if this is an ARM target that uses the soft float ABI +# with no floating-point instructions at all (e.g. -mfloat-abi=soft). + +proc check_effective_target_arm_softfloat { } { + return [check_no_compiler_messages arm_softfloat object { + #if !defined(__SOFTFP__) + #error not soft-float EABI + #else + int dummy; + #endif + }] +} + # Return 1 if this is an ARM target supporting -mcpu=iwmmxt. # Some multilibs may be incompatible with this option. |