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| author | Craig Topper <craig.topper@gmail.com> | 2012-08-17 07:15:56 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-08-17 07:15:56 +0000 |
| commit | 31625574dbdcc07c41777c67350aa0b75407de9e (patch) | |
| tree | a42d030dd400def47ca99a8a503fff3125f016d5 /llvm/lib | |
| parent | 602e1abe0d50c274e11a3706296ec35b4ab336f4 (diff) | |
| download | bcm5719-llvm-31625574dbdcc07c41777c67350aa0b75407de9e.tar.gz bcm5719-llvm-31625574dbdcc07c41777c67350aa0b75407de9e.zip | |
Use nested switch to select arguments to reduce calls to EmitPCMP.
llvm-svn: 162089
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 8abc5b03cbb..c77355f9179 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -12888,16 +12888,31 @@ X86TargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI, // String/text processing lowering. case X86::PCMPISTRM128REG: case X86::VPCMPISTRM128REG: - return EmitPCMP(MI, BB, 3, false /* in-mem */); case X86::PCMPISTRM128MEM: case X86::VPCMPISTRM128MEM: - return EmitPCMP(MI, BB, 3, true /* in-mem */); case X86::PCMPESTRM128REG: case X86::VPCMPESTRM128REG: - return EmitPCMP(MI, BB, 5, false /* in mem */); case X86::PCMPESTRM128MEM: - case X86::VPCMPESTRM128MEM: - return EmitPCMP(MI, BB, 5, true /* in mem */); + case X86::VPCMPESTRM128MEM: { + unsigned NumArgs; + bool MemArg; + switch (MI->getOpcode()) { + default: llvm_unreachable("illegal opcode!"); + case X86::PCMPISTRM128REG: + case X86::VPCMPISTRM128REG: + NumArgs = 3; MemArg = false; break; + case X86::PCMPISTRM128MEM: + case X86::VPCMPISTRM128MEM: + NumArgs = 3; MemArg = true; break; + case X86::PCMPESTRM128REG: + case X86::VPCMPESTRM128REG: + NumArgs = 5; MemArg = false; break; + case X86::PCMPESTRM128MEM: + case X86::VPCMPESTRM128MEM: + NumArgs = 5; MemArg = true; break; + } + return EmitPCMP(MI, BB, NumArgs, MemArg); + } // Thread synchronization. case X86::MONITOR: |
