diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 16 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSSE.td | 6 |
2 files changed, 20 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index 0571dd28de4..98779351224 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -3709,6 +3709,22 @@ MachineInstr *X86InstrInfo::commuteInstructionImpl(MachineInstr &MI, bool NewMI, return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false, OpIdx1, OpIdx2); } + case X86::MOVHLPSrr: + case X86::UNPCKHPDrr: { + if (!Subtarget.hasSSE2()) + return nullptr; + + unsigned Opc = MI.getOpcode(); + switch (Opc) { + default: llvm_unreachable("Unreachable!"); + case X86::MOVHLPSrr: Opc = X86::UNPCKHPDrr; break; + case X86::UNPCKHPDrr: Opc = X86::MOVHLPSrr; break; + } + auto &WorkingMI = cloneIfNew(MI); + WorkingMI.setDesc(get(Opc)); + return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false, + OpIdx1, OpIdx2); + } case X86::CMOVB16rr: case X86::CMOVB32rr: case X86::CMOVB64rr: case X86::CMOVAE16rr: case X86::CMOVAE32rr: case X86::CMOVAE64rr: case X86::CMOVE16rr: case X86::CMOVE32rr: case X86::CMOVE64rr: diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index 870d8493675..15d6d6d440c 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/lib/Target/X86/X86InstrSSE.td @@ -1371,6 +1371,7 @@ let Constraints = "$src1 = $dst", AddedComplexity = 20 in { [(set VR128:$dst, (v4f32 (X86Movlhps VR128:$src1, VR128:$src2)))], IIC_SSE_MOV_LH>, Sched<[WriteFShuffle]>; + let isCommutable = 1 in def MOVHLPSrr : PSI<0x12, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src1, VR128:$src2), "movhlps\t{$src2, $dst|$dst, $src2}", @@ -2641,7 +2642,8 @@ let Predicates = [UseSSE2] in { multiclass sse12_unpack_interleave<bits<8> opc, SDNode OpNode, ValueType vt, PatFrag mem_frag, RegisterClass RC, X86MemOperand x86memop, string asm, - Domain d> { + Domain d, bit IsCommutable = 0> { + let isCommutable = IsCommutable in def rr : PI<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2), asm, [(set RC:$dst, @@ -2689,7 +2691,7 @@ let Constraints = "$src1 = $dst" in { SSEPackedSingle>, PS; defm UNPCKHPD: sse12_unpack_interleave<0x15, X86Unpckh, v2f64, memopv2f64, VR128, f128mem, "unpckhpd\t{$src2, $dst|$dst, $src2}", - SSEPackedDouble>, PD; + SSEPackedDouble, 1>, PD; defm UNPCKLPS: sse12_unpack_interleave<0x14, X86Unpckl, v4f32, memopv4f32, VR128, f128mem, "unpcklps\t{$src2, $dst|$dst, $src2}", SSEPackedSingle>, PS; |
