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CBW doesn't modify AL

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llvm-svn: 5108
This commit is contained in:
Chris Lattner 2002-12-20 04:13:11 +00:00
parent d838414ec1
commit f8876bb77d
1 changed files with 1 additions and 1 deletions
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2
lib/Target/X86/X86InstrInfo.def
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@ -184,7 +184,7 @@ I(CMPrr32 , "cmpl", 0x39, 0, X86II::MRMDestReg, NoIR, NoIR)
I(CMPri8 , "cmp", 0x80, 0, X86II::MRMS7r | X86II::Arg8, NoIR, NoIR) // compare R8, imm8
// Sign extenders (first 3 are good for DIV/IDIV; the others are more general)
I(CBW , "cbw", 0x98, 0, X86II::RawFrm | X86II::OpSize, O_AL, O_AX) // AX = signext(AL)
I(CBW , "cbw", 0x98, 0, X86II::RawFrm | X86II::OpSize, O_AL, O_AH) // AX = signext(AL)
I(CWD , "cwd", 0x99, 0, X86II::RawFrm, O_AX, O_DX) // DX:AX = signext(AX)
I(CDQ , "cdq", 0x99, 0, X86II::RawFrm, O_EAX, O_EDX) // EDX:EAX = signext(EAX)
I(MOVSXr16r8 , "movsx", 0xBE, 0, X86II::MRMSrcReg | X86II::TB | // R16 = signext(R8)