[Bug target/54741] GCC 4.4, 4.5, 4.6 4.7 (probably 4.8) Generates un-usable code on AVX supported CPUs (FreeBSD)
hjl at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Oct 2 19:49:00 GMT 2012
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54741
--- Comment #13 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2012-10-02 19:49:05 UTC ---
Author: hjl
Date: Tue Oct 2 19:49:01 2012
New Revision: 191998
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191998
Log:
Check SSE and YMM state support for -march=native
2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
PR target/54741
* config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
(XSTATE_FP): Likewise.
(XSTATE_SSE): Likewise.
(XSTATE_YMM): Likewise.
(host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
SSE and YMM states aren't supported.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/driver-i386.c
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