diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/X86/X86InstrInfo.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/X86/X86InstrInfo.cpp | 35 |
1 files changed, 14 insertions, 21 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/X86/X86InstrInfo.cpp b/contrib/llvm-project/llvm/lib/Target/X86/X86InstrInfo.cpp index d6f9aa6d6ace..9ac1f783b7f0 100644 --- a/contrib/llvm-project/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/contrib/llvm-project/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -2354,33 +2354,26 @@ MachineInstr *X86InstrInfo::commuteInstructionImpl(MachineInstr &MI, bool NewMI, case X86::VBLENDPSrri: // If we're optimizing for size, try to use MOVSD/MOVSS. if (MI.getParent()->getParent()->getFunction().hasOptSize()) { - unsigned Mask; - switch (Opc) { - default: - llvm_unreachable("Unreachable!"); - case X86::BLENDPDrri: - Opc = X86::MOVSDrr; - Mask = 0x03; - break; - case X86::BLENDPSrri: - Opc = X86::MOVSSrr; - Mask = 0x0F; - break; - case X86::VBLENDPDrri: - Opc = X86::VMOVSDrr; - Mask = 0x03; - break; - case X86::VBLENDPSrri: - Opc = X86::VMOVSSrr; - Mask = 0x0F; - break; - } + unsigned Mask = (Opc == X86::BLENDPDrri || Opc == X86::VBLENDPDrri) ? 0x03: 0x0F; if ((MI.getOperand(3).getImm() ^ Mask) == 1) { +#define FROM_TO(FROM, TO) \ + case X86::FROM: \ + Opc = X86::TO; \ + break; + switch (Opc) { + default: + llvm_unreachable("Unreachable!"); + FROM_TO(BLENDPDrri, MOVSDrr) + FROM_TO(BLENDPSrri, MOVSSrr) + FROM_TO(VBLENDPDrri, VMOVSDrr) + FROM_TO(VBLENDPSrri, VMOVSSrr) + } WorkingMI = CloneIfNew(MI); WorkingMI->setDesc(get(Opc)); WorkingMI->removeOperand(3); break; } +#undef FROM_TO } [[fallthrough]]; case X86::PBLENDWrri: |