X64: Use sahf instruction only on processors that support it.
authorwhesse@chromium.org <whesse@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Tue, 1 Sep 2009 11:32:20 +0000 (11:32 +0000)
committerwhesse@chromium.org <whesse@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Tue, 1 Sep 2009 11:32:20 +0000 (11:32 +0000)
commit0f20431c36e2ec5e31b782c9285d51be44c73a38
treee5ae8d55e115950dcd164217923b394cb2ab1186
parent6cdd89b165978fecefb8ecec45e7950c6d905709
X64: Use sahf instruction only on processors that support it.
Review URL: http://codereview.chromium.org/183028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2793 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/x64/assembler-x64.cc
src/x64/assembler-x64.h
src/x64/codegen-x64.cc
src/x64/macro-assembler-x64.cc