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| author | Craig Topper <craig.topper@intel.com> | 2018-04-03 06:37:04 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2018-04-03 06:37:04 +0000 |
| commit | 9b6a65b9ef6959f390fe30385ca8851fa6f18418 (patch) | |
| tree | 9e2321adcbd3821891fd8287562e3fd49b899f29 /llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp | |
| parent | 7d522b6eee0cac4427ee36f770284ec23ed690b5 (diff) | |
| download | bcm5719-llvm-9b6a65b9ef6959f390fe30385ca8851fa6f18418.tar.gz bcm5719-llvm-9b6a65b9ef6959f390fe30385ca8851fa6f18418.zip | |
[X86] Reduce number of OpPrefix bits in TSFlags to 2. NFCI
TSFlag doesn't need to disambiguate NoPrfx from PS. So shift the encodings so PS is NoPrfx|0x4.
llvm-svn: 329049
Diffstat (limited to 'llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp index 4cf8dd9e782..9e2d6220985 100644 --- a/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp +++ b/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp @@ -700,10 +700,8 @@ void X86MCCodeEmitter::EmitVEXOpcodePrefix(uint64_t TSFlags, unsigned &CurByte, // 0b10: F3 // 0b11: F2 // - uint8_t VEX_PP; + uint8_t VEX_PP = 0; switch (TSFlags & X86II::OpPrefixMask) { - default: llvm_unreachable("Invalid op prefix!"); - case X86II::PS: VEX_PP = 0x0; break; // none case X86II::PD: VEX_PP = 0x1; break; // 66 case X86II::XS: VEX_PP = 0x2; break; // F3 case X86II::XD: VEX_PP = 0x3; break; // F2 |
