| commit | 0251a2a79bbb7a3ed87b884b7636b0852772b7dd | |
| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 29 Mar 2018 13:14:06 +0000 (29 13:14 +0000) | ||
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 29 Mar 2018 13:14:06 +0000 (29 13:14 +0000) | ||
| tree | d4d2b77e0d7240fb023407adebe0c3b2ae7096f9 | treesnapshot (tar.gz zip) |
| parent | 25ee9ab1f196da4891bfcb6fbfd1f09985fa3ab5 | commitdiff |
i386: Enable AVX/AVX512 features only if supported by OSXSAVE
Enable AVX and AVX512 features only if their states are supported by
OSXSAVE.
PR target/85100
* config/i386/cpuinfo.c (XCR_XFEATURE_ENABLED_MASK): New.
(XSTATE_FP): Likewise.
(XSTATE_SSE): Likewise.
(XSTATE_YMM): Likewise.
(XSTATE_OPMASK): Likewise.
(XSTATE_ZMM): Likewise.
(XSTATE_HI_ZMM): Likewise.
(XCR_AVX_ENABLED_MASK): Likewise.
(XCR_AVX512F_ENABLED_MASK): Likewise.
(get_available_features): Enable AVX and AVX512 features only
if their states are supported by OSXSAVE.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@258954 138bc75d-0d04-0410-961f-82ee72b054a4
Enable AVX and AVX512 features only if their states are supported by
OSXSAVE.
PR target/85100
* config/i386/cpuinfo.c (XCR_XFEATURE_ENABLED_MASK): New.
(XSTATE_FP): Likewise.
(XSTATE_SSE): Likewise.
(XSTATE_YMM): Likewise.
(XSTATE_OPMASK): Likewise.
(XSTATE_ZMM): Likewise.
(XSTATE_HI_ZMM): Likewise.
(XCR_AVX_ENABLED_MASK): Likewise.
(XCR_AVX512F_ENABLED_MASK): Likewise.
(get_available_features): Enable AVX and AVX512 features only
if their states are supported by OSXSAVE.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@258954 138bc75d-0d04-0410-961f-82ee72b054a4
| libgcc/ChangeLog | diffblobblamehistory | |
| libgcc/config/i386/cpuinfo.c | diffblobblamehistory |