diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrInfo.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index 5fc1bb7be1b..b0e6b651ce1 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -3938,7 +3938,8 @@ let Defs = [ESP] in def Int_MemBarrierNoSSE : I<0x09, MRM1r, (outs), (ins GR32:$zero), "lock\n\t" "or{l}\t{$zero, (%esp)|(%esp), $zero}", - [(X86MemBarrierNoSSE GR32:$zero)]>, LOCK; + [(X86MemBarrierNoSSE GR32:$zero)]>, + Requires<[In32BitMode]>, LOCK; } // Atomic swap. These are just normal xchg instructions. But since a memory |
