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| author | Sebastian Pop <sebastian.pop@amd.com> | 2009-12-07 22:23:16 +0000 |
|---|---|---|
| committer | Sebastian Pop <spop@gcc.gnu.org> | 2009-12-07 22:23:16 +0000 |
| commit | 8ad9d49ec9946a8ab98404ed6c07ae48e9d345ab (patch) | |
| tree | 8e642be47054a446aada0679540039ee5c378538 /gcc/config | |
| parent | c3d34a7861be97f388a9e19b631b7e31fad5dcf6 (diff) | |
| download | gcc-8ad9d49ec9946a8ab98404ed6c07ae48e9d345ab.zip gcc-8ad9d49ec9946a8ab98404ed6c07ae48e9d345ab.tar.gz gcc-8ad9d49ec9946a8ab98404ed6c07ae48e9d345ab.tar.bz2 | |
Check cpuid LWP bit.
* config/i386/driver-i386.c (host_detect_local_cpu): Add -mlwp to the
options when bit_LWP is set.
From-SVN: r155061
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/i386/driver-i386.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c index d3088f3..05ba01e 100644 --- a/gcc/config/i386/driver-i386.c +++ b/gcc/config/i386/driver-i386.c @@ -383,7 +383,7 @@ const char *host_detect_local_cpu (int argc, const char **argv) unsigned int has_longmode = 0, has_3dnowp = 0, has_3dnow = 0; unsigned int has_movbe = 0, has_sse4_1 = 0, has_sse4_2 = 0; unsigned int has_popcnt = 0, has_aes = 0, has_avx = 0; - unsigned int has_pclmul = 0, has_abm = 0; + unsigned int has_pclmul = 0, has_abm = 0, has_lwp = 0; bool arch; @@ -445,6 +445,7 @@ const char *host_detect_local_cpu (int argc, const char **argv) has_lahf_lm = ecx & bit_LAHF_LM; has_sse4a = ecx & bit_SSE4a; has_abm = ecx & bit_ABM; + has_lwp = ecx & bit_LWP; has_longmode = edx & bit_LM; has_3dnowp = edx & bit_3DNOWP; @@ -625,6 +626,8 @@ const char *host_detect_local_cpu (int argc, const char **argv) options = concat (options, " -mpopcnt", NULL); if (has_abm) options = concat (options, " -mabm", NULL); + if (has_lwp) + options = concat (options, " -mlwp", NULL); if (has_avx) options = concat (options, " -mavx", NULL); |