diff options
Diffstat (limited to 'gcc/config/i386/driver-i386.c')
| -rw-r--r-- | gcc/config/i386/driver-i386.c | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c index 70ad5c9ac3a..148fbc227c1 100644 --- a/gcc/config/i386/driver-i386.c +++ b/gcc/config/i386/driver-i386.c @@ -488,6 +488,28 @@ const char *host_detect_local_cpu (int argc, const char **argv) has_xsaveopt = eax & bit_XSAVEOPT; } + /* Check cpuid level of extended features. */ + __cpuid (0x80000000, ext_level, ebx, ecx, edx); + + if (ext_level > 0x80000000) + { + __cpuid (0x80000001, eax, ebx, ecx, edx); + + has_lahf_lm = ecx & bit_LAHF_LM; + has_sse4a = ecx & bit_SSE4a; + has_abm = ecx & bit_ABM; + has_lwp = ecx & bit_LWP; + has_fma4 = ecx & bit_FMA4; + has_xop = ecx & bit_XOP; + has_tbm = ecx & bit_TBM; + has_lzcnt = ecx & bit_LZCNT; + has_prfchw = ecx & bit_PRFCHW; + + has_longmode = edx & bit_LM; + has_3dnowp = edx & bit_3DNOWP; + has_3dnow = edx & bit_3DNOW; + } + /* Get XCR_XFEATURE_ENABLED_MASK register with xgetbv. */ #define XCR_XFEATURE_ENABLED_MASK 0x0 #define XSTATE_FP 0x1 @@ -506,33 +528,12 @@ const char *host_detect_local_cpu (int argc, const char **argv) has_avx2 = 0; has_fma = 0; has_fma4 = 0; + has_f16c = 0; has_xop = 0; has_xsave = 0; has_xsaveopt = 0; } - /* Check cpuid level of extended features. */ - __cpuid (0x80000000, ext_level, ebx, ecx, edx); - - if (ext_level > 0x80000000) - { - __cpuid (0x80000001, eax, ebx, ecx, edx); - - has_lahf_lm = ecx & bit_LAHF_LM; - has_sse4a = ecx & bit_SSE4a; - has_abm = ecx & bit_ABM; - has_lwp = ecx & bit_LWP; - has_fma4 = ecx & bit_FMA4; - has_xop = ecx & bit_XOP; - has_tbm = ecx & bit_TBM; - has_lzcnt = ecx & bit_LZCNT; - has_prfchw = ecx & bit_PRFCHW; - - has_longmode = edx & bit_LM; - has_3dnowp = edx & bit_3DNOWP; - has_3dnow = edx & bit_3DNOW; - } - if (!arch) { if (vendor == signature_AMD_ebx |