diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86Instr64bit.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86Instr64bit.td | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86Instr64bit.td b/llvm/lib/Target/X86/X86Instr64bit.td index 04b75f9f8bc..4e2710b2ee5 100644 --- a/llvm/lib/Target/X86/X86Instr64bit.td +++ b/llvm/lib/Target/X86/X86Instr64bit.td @@ -1624,7 +1624,8 @@ let Defs = [ESP] in def Int_MemBarrierNoSSE64 : RI<0x09, MRM1r, (outs), (ins GR64:$zero), "lock\n\t" "or{q}\t{$zero, (%rsp)|(%rsp), $zero}", - [(X86MemBarrierNoSSE GR64:$zero)]>, LOCK; + [(X86MemBarrierNoSSE GR64:$zero)]>, + Requires<[In64BitMode]>, LOCK; let Defs = [RAX, EFLAGS], Uses = [RAX] in { def LCMPXCHG64 : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$ptr, GR64:$swap), |
