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Diffstat (limited to 'lib/Target/X86/README.txt')
| -rw-r--r-- | lib/Target/X86/README.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 5a4f7c4..846d694 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -1509,3 +1509,10 @@ void test(double *P) { } //===---------------------------------------------------------------------===// + +handling llvm.memory.barrier on pre SSE2 cpus + +should generate: +lock ; mov %esp, %esp + +//===---------------------------------------------------------------------===// |