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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-07-27 19:43:50 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-07-27 19:43:50 +0000 |
| commit | 84e7f7e26738077eca4ff5465088fac37194a937 (patch) | |
| tree | db798b87f2809c3edcad870cb2c28d8a6bf27d6e /lib/Target/X86/X86InstrCompiler.td | |
| parent | abcd715fdfd786e59f68579f7a68007d46d5218b (diff) | |
| download | llvm-84e7f7e26738077eca4ff5465088fac37194a937.tar.gz llvm-84e7f7e26738077eca4ff5465088fac37194a937.tar.bz2 llvm-84e7f7e26738077eca4ff5465088fac37194a937.tar.xz | |
X86ISD::MEMBARRIER does not require SSE2; it doesn't actually generate any code, and all x86 processors will honor the required semantics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136249 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrCompiler.td')
| -rw-r--r-- | lib/Target/X86/X86InstrCompiler.td | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrCompiler.td b/lib/Target/X86/X86InstrCompiler.td index adcc747eb4..17464f380b 100644 --- a/lib/Target/X86/X86InstrCompiler.td +++ b/lib/Target/X86/X86InstrCompiler.td @@ -532,7 +532,7 @@ def OR32mrLocked : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$zero), let hasSideEffects = 1 in def Int_MemBarrier : I<0, Pseudo, (outs), (ins), "#MEMBARRIER", - [(X86MemBarrier)]>, Requires<[HasSSE2]>; + [(X86MemBarrier)]>; // TODO: Get this to fold the constant into the instruction. let hasSideEffects = 1, Defs = [ESP], isCodeGenOnly = 1 in |