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[X86] Add proper Uses/Defs/mayLoad flags for AAA/AAD/AAM/AAS/DAA/DAS/XLAT instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256481 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2015-12-28 06:11:37 +00:00
parent b3028527cb
commit 803d7c055b
1 changed files with 7 additions and 6 deletions
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13
lib/Target/X86/X86InstrInfo.td
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@ -1950,37 +1950,38 @@ def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", [], IIC_CLTS>, TB;
}
// Table lookup instructions
let Uses = [AL,EBX], Defs = [AL], hasSideEffects = 0, mayLoad = 1 in
def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", [], IIC_XLAT>,
Sched<[WriteLoad]>;
let SchedRW = [WriteMicrocoded] in {
// ASCII Adjust After Addition
// sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
let Uses = [AL,EFLAGS], Defs = [AX,EFLAGS], hasSideEffects = 0 in
def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", [], IIC_AAA>,
Requires<[Not64BitMode]>;
// ASCII Adjust AX Before Division
// sets AL, AH and EFLAGS and uses AL and AH
let Uses = [AX], Defs = [AX,EFLAGS], hasSideEffects = 0 in
def AAD8i8 : Ii8<0xD5, RawFrm, (outs), (ins i8imm:$src),
"aad\t$src", [], IIC_AAD>, Requires<[Not64BitMode]>;
// ASCII Adjust AX After Multiply
// sets AL, AH and EFLAGS and uses AL
let Uses = [AL], Defs = [AX,EFLAGS], hasSideEffects = 0 in
def AAM8i8 : Ii8<0xD4, RawFrm, (outs), (ins i8imm:$src),
"aam\t$src", [], IIC_AAM>, Requires<[Not64BitMode]>;
// ASCII Adjust AL After Subtraction - sets
// sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
let Uses = [AL,EFLAGS], Defs = [AX,EFLAGS], hasSideEffects = 0 in
def AAS : I<0x3F, RawFrm, (outs), (ins), "aas", [], IIC_AAS>,
Requires<[Not64BitMode]>;
// Decimal Adjust AL after Addition
// sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
let Uses = [AL,EFLAGS], Defs = [AL,EFLAGS], hasSideEffects = 0 in
def DAA : I<0x27, RawFrm, (outs), (ins), "daa", [], IIC_DAA>,
Requires<[Not64BitMode]>;
// Decimal Adjust AL after Subtraction
// sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
let Uses = [AL,EFLAGS], Defs = [AL,EFLAGS], hasSideEffects = 0 in
def DAS : I<0x2F, RawFrm, (outs), (ins), "das", [], IIC_DAS>,
Requires<[Not64BitMode]>;
} // SchedRW