diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i386/i386-features.cc | 3 | ||||
| -rw-r--r-- | gcc/config/i386/i386-options.cc | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/avx-vzeroupper-29.c | 14 |
3 files changed, 18 insertions, 3 deletions
diff --git a/gcc/config/i386/i386-features.cc b/gcc/config/i386/i386-features.cc index 4a3b07a..92ae08d 100644 --- a/gcc/config/i386/i386-features.cc +++ b/gcc/config/i386/i386-features.cc @@ -2489,8 +2489,7 @@ public: /* opt_pass methods: */ bool gate (function *) final override { - return TARGET_AVX && TARGET_VZEROUPPER - && flag_expensive_optimizations && !optimize_size; + return TARGET_AVX && TARGET_VZEROUPPER; } unsigned int execute (function *) final override diff --git a/gcc/config/i386/i386-options.cc b/gcc/config/i386/i386-options.cc index 7f593ce..37cb5a0 100644 --- a/gcc/config/i386/i386-options.cc +++ b/gcc/config/i386/i386-options.cc @@ -2731,7 +2731,9 @@ ix86_option_override_internal (bool main_args_p, sorry ("%<-mcall-ms2sysv-xlogues%> isn%'t currently supported with SEH"); if (!(opts_set->x_target_flags & MASK_VZEROUPPER) - && TARGET_EMIT_VZEROUPPER) + && TARGET_EMIT_VZEROUPPER + && flag_expensive_optimizations + && !optimize_size) opts->x_target_flags |= MASK_VZEROUPPER; if (!(opts_set->x_target_flags & MASK_STV)) opts->x_target_flags |= MASK_STV; diff --git a/gcc/testsuite/gcc.target/i386/avx-vzeroupper-29.c b/gcc/testsuite/gcc.target/i386/avx-vzeroupper-29.c new file mode 100644 index 0000000..4af6377 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/avx-vzeroupper-29.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-options "-O0 -mavx -mtune=generic -mvzeroupper -dp" } */ + +#include <immintrin.h> + +extern __m256 x, y; + +void +foo () +{ + x = y; +} + +/* { dg-final { scan-assembler-times "avx_vzeroupper" 1 } } */ |