Add cld before doing rep movs.

Review URL: http://codereview.chromium.org/661368 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3996 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2010-03-02 13:22:04 +00:00 · 2010-03-02 13:22:04 +00:00 · bfe1f02c3f
commit bfe1f02c3f
parent 38acad676a
1 changed files with 1 additions and 0 deletions
--- a/src/ia32/codegen-ia32.cc
+++ b/src/ia32/codegen-ia32.cc
@ -10922,6 +10922,7 @@ void StringStubBase::GenerateCopyCharactersREP(MacroAssembler* masm,
  // Copy from edi to esi using rep movs instruction.
  __ mov(scratch, count);
  __ sar(count, 2);  // Number of doublewords to copy.
+  __ cld();
  __ rep_movs();

  // Find number of bytes left.