diff options
| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-20 21:34:14 +0000 |
|---|---|---|
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-20 21:34:14 +0000 |
| commit | db3de9065ef1c2fedc8f1cd0d7e983d1d8b451c0 (patch) | |
| tree | b23677c777d248d5043a2e0c934f52930dec6133 | |
| parent | c91c51885bf640d43148e2e639ebb2cb9fc00bd2 (diff) | |
| download | gcc-db3de9065ef1c2fedc8f1cd0d7e983d1d8b451c0.tar.gz | |
Add RDRND, F16C and FSGSBASE support to -march=native
* config/i386/driver-i386.c (host_detect_local_cpu): Support
RDRND, F16C and FSGSBASE.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187696 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/driver-i386.c | 9 |
2 files changed, 13 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 471c39ae657..f7d72d57e85 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-05-20 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/driver-i386.c (host_detect_local_cpu): Support + RDRND, F16C and FSGSBASE. + 2012-05-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> PR rtl-optimzation/53373 diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c index e93e8d9e5e7..94f38199f10 100644 --- a/gcc/config/i386/driver-i386.c +++ b/gcc/config/i386/driver-i386.c @@ -398,6 +398,7 @@ const char *host_detect_local_cpu (int argc, const char **argv) unsigned int has_fma = 0, has_fma4 = 0, has_xop = 0; unsigned int has_bmi = 0, has_bmi2 = 0, has_tbm = 0, has_lzcnt = 0; unsigned int has_hle = 0, has_rtm = 0; + unsigned int has_rdrnd = 0, has_f16c = 0, has_fsgsbase = 0; bool arch; @@ -445,6 +446,8 @@ const char *host_detect_local_cpu (int argc, const char **argv) has_aes = ecx & bit_AES; has_pclmul = ecx & bit_PCLMUL; has_fma = ecx & bit_FMA; + has_f16c = ecx & bit_F16C; + has_rdrnd = ecx & bit_RDRND; has_cmpxchg8b = edx & bit_CMPXCHG8B; has_cmov = edx & bit_CMOV; @@ -461,6 +464,7 @@ const char *host_detect_local_cpu (int argc, const char **argv) has_rtm = ebx & bit_RTM; has_avx2 = ebx & bit_AVX2; has_bmi2 = ebx & bit_BMI2; + has_fsgsbase = ebx & bit_FSGSBASE; } /* Check cpuid level of extended features. */ @@ -733,11 +737,14 @@ const char *host_detect_local_cpu (int argc, const char **argv) const char *lzcnt = has_lzcnt ? " -mlzcnt" : " -mno-lzcnt"; const char *hle = has_hle ? " -mhle" : " -mno-hle"; const char *rtm = has_rtm ? " -mrtm" : " -mno-rtm"; + const char *rdrnd = has_rdrnd ? " -mrdrnd" : " -mno-rdrnd"; + const char *f16c = has_f16c ? " -mf16c" : " -mno-f16c"; + const char *fsgsbase = has_fsgsbase ? " -mfsgsbase" : " -mno-fsgsbase"; options = concat (options, cx16, sahf, movbe, ase, pclmul, popcnt, abm, lwp, fma, fma4, xop, bmi, bmi2, tbm, avx, avx2, sse4_2, sse4_1, lzcnt, rtm, - hle, NULL); + hle, rdrnd, f16c, fsgsbase, NULL); } done: |