[x86] Disable AVX unless the operating system explicitly claims to support it.
authorbmeurer <bmeurer@chromium.org>
Tue, 27 Jan 2015 09:59:18 +0000 (01:59 -0800)
committerCommit bot <commit-bot@chromium.org>
Tue, 27 Jan 2015 09:59:24 +0000 (09:59 +0000)
commitd93c4d19f13736c0538f4f66ca4a4a08d0cab9ca
tree54053700d16c3ea69e47dc66b1db5207fe6fc79e
parentcc79418b598615bc00ebbbe81acb50a1da56ae8f
[x86] Disable AVX unless the operating system explicitly claims to support it.

BUG=chromium:452033, v8:3846
LOG=y
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/878063002

Cr-Commit-Position: refs/heads/master@{#26288}
src/base/cpu.cc
src/base/cpu.h
src/ia32/assembler-ia32.cc
src/x64/assembler-x64.cc
test/unittests/base/cpu-unittest.cc