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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 | 63a99ff53ad859534b0c8161c2819692b5372b52 (patch) | |
| tree | 59f6d586d1613468628cdd8c30ee44c4f88b431f /lib/Target | |
| parent | c087870c470b033a190aa08269095441816963e4 (diff) | |
| download | external_llvm-63a99ff53ad859534b0c8161c2819692b5372b52.zip external_llvm-63a99ff53ad859534b0c8161c2819692b5372b52.tar.gz external_llvm-63a99ff53ad859534b0c8161c2819692b5372b52.tar.bz2 | |
Use nested switch to select arguments to reduce calls to EmitPCMP.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162089 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 8abc5b0..c77355f 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/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: |