diff options
Diffstat (limited to 'gcc/common/config')
| -rw-r--r-- | gcc/common/config/i386/i386-common.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/common/config/i386/i386-common.c b/gcc/common/config/i386/i386-common.c index 1c4f15e53dc..bad09887706 100644 --- a/gcc/common/config/i386/i386-common.c +++ b/gcc/common/config/i386/i386-common.c @@ -85,6 +85,7 @@ along with GCC; see the file COPYING3. If not see (OPTION_MASK_ISA_XSAVES | OPTION_MASK_ISA_XSAVE) #define OPTION_MASK_ISA_XSAVEC_SET \ (OPTION_MASK_ISA_XSAVEC | OPTION_MASK_ISA_XSAVE) +#define OPTION_MASK_ISA_CLWB_SET OPTION_MASK_ISA_CLWB /* SSE4 includes both SSE4.1 and SSE4.2. -msse4 should be the same as -msse4.2. */ @@ -181,6 +182,7 @@ along with GCC; see the file COPYING3. If not see #define OPTION_MASK_ISA_CLFLUSHOPT_UNSET OPTION_MASK_ISA_CLFLUSHOPT #define OPTION_MASK_ISA_XSAVEC_UNSET OPTION_MASK_ISA_XSAVEC #define OPTION_MASK_ISA_XSAVES_UNSET OPTION_MASK_ISA_XSAVES +#define OPTION_MASK_ISA_CLWB_UNSET OPTION_MASK_ISA_CLWB /* SSE4 includes both SSE4.1 and SSE4.2. -mno-sse4 should the same as -mno-sse4.1. */ @@ -901,6 +903,19 @@ ix86_handle_option (struct gcc_options *opts, } return true; + case OPT_mclwb: + if (value) + { + opts->x_ix86_isa_flags |= OPTION_MASK_ISA_CLWB_SET; + opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CLWB_SET; + } + else + { + opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_CLWB_UNSET; + opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CLWB_UNSET; + } + return true; + /* Comes from final.c -- no real reason to change it. */ #define MAX_CODE_ALIGN 16 |