diff options
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index bb3f22704b..3c1d7c77c8 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -458,7 +458,7 @@ def Int_COMISSrm: PSI<0x2F, MRMSrcMem, (outs), // start with 'Fs'. // Alias instructions that map fld0 to pxor for sse. -let isReMaterializable = 1 in +let isReMaterializable = 1, isAsCheapAsAMove = 1 in def FsFLD0SS : I<0xEF, MRMInitReg, (outs FR32:$dst), (ins), "pxor\t$dst, $dst", [(set FR32:$dst, fp32imm0)]>, Requires<[HasSSE1]>, TB, OpSize; @@ -1192,7 +1192,7 @@ def Int_COMISDrm: PDI<0x2F, MRMSrcMem, (outs), (ins VR128:$src1, f128mem:$src2), // start with 'Fs'. // Alias instructions that map fld0 to pxor for sse. -let isReMaterializable = 1 in +let isReMaterializable = 1, isAsCheapAsAMove = 1 in def FsFLD0SD : I<0xEF, MRMInitReg, (outs FR64:$dst), (ins), "pxor\t$dst, $dst", [(set FR64:$dst, fpimm0)]>, Requires<[HasSSE2]>, TB, OpSize; @@ -2241,7 +2241,7 @@ def : Pat<(membarrier (i8 imm:$ll), (i8 imm:$ls), (i8 imm:$sl), (i8 imm:$ss), (i8 1)), (MFENCE)>; // Alias instructions that map zero vector to pxor / xorp* for sse. -let isReMaterializable = 1 in +let isReMaterializable = 1, isAsCheapAsAMove = 1 in def V_SETALLONES : PDI<0x76, MRMInitReg, (outs VR128:$dst), (ins), "pcmpeqd\t$dst, $dst", [(set VR128:$dst, (v4i32 immAllOnesV))]>; |