diff options
Diffstat (limited to 'gcc/common')
| -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 e2e4814e808..70dcae07a33 100644 --- a/gcc/common/config/i386/i386-common.c +++ b/gcc/common/config/i386/i386-common.c @@ -56,6 +56,7 @@ along with GCC; see the file COPYING3. If not see (OPTION_MASK_ISA_AVX2 | OPTION_MASK_ISA_AVX_SET) #define OPTION_MASK_ISA_RTM_SET OPTION_MASK_ISA_RTM #define OPTION_MASK_ISA_PRFCHW_SET OPTION_MASK_ISA_PRFCHW +#define OPTION_MASK_ISA_RDSEED_SET OPTION_MASK_ISA_RDSEED /* SSE4 includes both SSE4.1 and SSE4.2. -msse4 should be the same as -msse4.2. */ @@ -125,6 +126,7 @@ along with GCC; see the file COPYING3. If not see #define OPTION_MASK_ISA_AVX2_UNSET OPTION_MASK_ISA_AVX2 #define OPTION_MASK_ISA_RTM_UNSET OPTION_MASK_ISA_RTM #define OPTION_MASK_ISA_PRFCHW_UNSET OPTION_MASK_ISA_PRFCHW +#define OPTION_MASK_ISA_RDSEED_UNSET OPTION_MASK_ISA_RDSEED /* SSE4 includes both SSE4.1 and SSE4.2. -mno-sse4 should the same as -mno-sse4.1. */ @@ -570,6 +572,19 @@ ix86_handle_option (struct gcc_options *opts, } return true; + case OPT_mrdseed: + if (value) + { + opts->x_ix86_isa_flags |= OPTION_MASK_ISA_RDSEED_SET; + opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_RDSEED_SET; + } + else + { + opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_RDSEED_UNSET; + opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_RDSEED_UNSET; + } + return true; + case OPT_mprfchw: if (value) { |