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| author | Evan Cheng <evan.cheng@apple.com> | 2006-02-14 21:45:24 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-02-14 21:45:24 +0000 |
| commit | 576c1419215b9f3b421ab74ff97acb3f2503c904 (patch) | |
| tree | 617e4669b1efecec83858541a80ff571a57e4544 | |
| parent | 33d5082779c0957f80253c01e10cbddfbf2825c8 (diff) | |
| download | external_llvm-576c1419215b9f3b421ab74ff97acb3f2503c904.zip external_llvm-576c1419215b9f3b421ab74ff97acb3f2503c904.tar.gz external_llvm-576c1419215b9f3b421ab74ff97acb3f2503c904.tar.bz2 | |
Bug fix: XS, XD prefixes were being emitted twice.
XMM registers were not being handled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26182 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86CodeEmitter.cpp | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp index e03c7ce..5ef53d3 100644 --- a/lib/Target/X86/X86CodeEmitter.cpp +++ b/lib/Target/X86/X86CodeEmitter.cpp @@ -186,6 +186,11 @@ static unsigned getX86RegNum(unsigned RegNo) { case X86::ST0: case X86::ST1: case X86::ST2: case X86::ST3: case X86::ST4: case X86::ST5: case X86::ST6: case X86::ST7: return RegNo-X86::ST0; + + case X86::XMM0: case X86::XMM1: case X86::XMM2: case X86::XMM3: + case X86::XMM4: case X86::XMM5: case X86::XMM6: case X86::XMM7: + return RegNo-X86::XMM0; + default: assert(MRegisterInfo::isVirtualRegister(RegNo) && "Unknown physical register!"); @@ -371,21 +376,16 @@ void Emitter::emitInstruction(const MachineInstr &MI) { case X86II::TB: MCE.emitByte(0x0F); // Two-byte opcode prefix break; - case X86II::REP: break; // already handled. - case X86II::XS: // F3 0F - MCE.emitByte(0xF3); - MCE.emitByte(0x0F); - break; - case X86II::XD: // F2 0F - MCE.emitByte(0xF2); - MCE.emitByte(0x0F); - break; case X86II::D8: case X86II::D9: case X86II::DA: case X86II::DB: case X86II::DC: case X86II::DD: case X86II::DE: case X86II::DF: MCE.emitByte(0xD8+ (((Desc.TSFlags & X86II::Op0Mask)-X86II::D8) >> X86II::Op0Shift)); break; // Two-byte opcode prefix + case X86II::REP: + case X86II::XS: + case X86II::XD: + break; // already handled. default: assert(0 && "Invalid prefix!"); case 0: break; // No prefix! } |