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Fix encoding of ADD and SUB family of instructions. Also rearrange 

them so that they are consistent with AND, XOR, etc...

llvm-svn: 11922
This commit is contained in:
Alkis Evlogimenos 2004-02-27 18:57:00 +00:00
parent 58270fcf1f
commit 75ed0f67bf
1 changed files with 24 additions and 22 deletions
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46
llvm/lib/Target/X86/X86InstrInfo.td
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@ -295,23 +295,24 @@ def DECm32 : I2A32<"dec", 0xFF, MRM1m >; // --[mem32]
def ADDrr8 : I2A8 <"add", 0x00, MRMDestReg>, Pattern<(set R8 , (plus R8 , R8 ))>;
def ADDrr16 : I2A16<"add", 0x01, MRMDestReg>, OpSize, Pattern<(set R16, (plus R16, R16))>;
def ADDrr32 : I2A32<"add", 0x01, MRMDestReg>, Pattern<(set R32, (plus R32, R32))>;
def ADDri8 : I2A8 <"add", 0x80, MRM0r >, Pattern<(set R8 , (plus R8 , imm))>;
def ADDri16 : I2A16<"add", 0x81, MRM0r >, OpSize, Pattern<(set R16, (plus R16, imm))>;
def ADDri32 : I2A32<"add", 0x81, MRM0r >, Pattern<(set R32, (plus R32, imm))>;
def ADDri16b : I2A8 <"add", 0x83, MRM0r >, OpSize; // ADDri with sign extended 8 bit imm
def ADDri32b : I2A8 <"add", 0x83, MRM0r >;
def ADDmr8 : I2A8 <"add", 0x00, MRMDestMem>; // [mem8] += R8
def ADDmr16 : I2A16<"add", 0x01, MRMDestMem>, OpSize; // [mem16] += R16
def ADDmr32 : I2A32<"add", 0x01, MRMDestMem>; // [mem32] += R32
def ADDrm8 : I2A8 <"add", 0x02, MRMSrcMem >; // R8 += [mem8]
def ADDrm16 : I2A16<"add", 0x03, MRMSrcMem >, OpSize; // R16 += [mem16]
def ADDrm32 : I2A32<"add", 0x03, MRMSrcMem >; // R32 += [mem32]
def ADDmi8 : I2A8 <"add", 0x80, MRMDestMem>; // [mem8] += I8
def ADDmi16 : I2A16<"add", 0x81, MRMDestMem>, OpSize; // [mem16] += I16
def ADDmi32 : I2A32<"add", 0x81, MRMDestMem>; // [mem32] += I8
def ADDmi16b : I2A8 <"add", 0x83, MRMDestMem>, OpSize; // [mem16] += I8
def ADDmi32b : I2A8 <"add", 0x83, MRMDestMem>; // [mem32] += I32
def ADDri8 : I2A8 <"add", 0x80, MRM0r >, Pattern<(set R8 , (plus R8 , imm))>;
def ADDri16 : I2A16<"add", 0x81, MRM0r >, OpSize, Pattern<(set R16, (plus R16, imm))>;
def ADDri32 : I2A32<"add", 0x81, MRM0r >, Pattern<(set R32, (plus R32, imm))>;
def ADDmi8 : I2A8 <"add", 0x80, MRM0m >; // [mem8] += I8
def ADDmi16 : I2A16<"add", 0x81, MRM0m >, OpSize; // [mem16] += I16
def ADDmi32 : I2A32<"add", 0x81, MRM0m >; // [mem32] += I8
def ADDri16b : I2A8 <"add", 0x83, MRM0r >, OpSize; // ADDri with sign extended 8 bit imm
def ADDri32b : I2A8 <"add", 0x83, MRM0r >;
def ADDmi16b : I2A8 <"add", 0x83, MRM0m >, OpSize; // [mem16] += I8
def ADDmi32b : I2A8 <"add", 0x83, MRM0m >; // [mem32] += I32
def ADCrr32 : I2A32<"adc", 0x11, MRMDestReg>; // R32 += R32+Carry
def ADCrm32 : I2A32<"adc", 0x11, MRMSrcMem >; // R32 += [mem32]+Carry
@ -320,23 +321,24 @@ def ADCmr32 : I2A32<"adc", 0x13, MRMDestMem>; // [mem32] += R32+Carry
def SUBrr8 : I2A8 <"sub", 0x28, MRMDestReg>, Pattern<(set R8 , (minus R8 , R8 ))>;
def SUBrr16 : I2A16<"sub", 0x29, MRMDestReg>, OpSize, Pattern<(set R16, (minus R16, R16))>;
def SUBrr32 : I2A32<"sub", 0x29, MRMDestReg>, Pattern<(set R32, (minus R32, R32))>;
def SUBri8 : I2A8 <"sub", 0x80, MRM5r >, Pattern<(set R8 , (minus R8 , imm))>;
def SUBri16 : I2A16<"sub", 0x81, MRM5r >, OpSize, Pattern<(set R16, (minus R16, imm))>;
def SUBri32 : I2A32<"sub", 0x81, MRM5r >, Pattern<(set R32, (minus R32, imm))>;
def SUBri16b : I2A8 <"sub", 0x83, MRM5r >, OpSize;
def SUBri32b : I2A8 <"sub", 0x83, MRM5r >;
def SUBmr8 : I2A8 <"sub", 0x28, MRMDestMem>; // [mem8] -= R8
def SUBmr16 : I2A16<"sub", 0x29, MRMDestMem>, OpSize; // [mem16] -= R16
def SUBmr32 : I2A32<"sub", 0x29, MRMDestMem>; // [mem32] -= R32
def SUBrm8 : I2A8 <"sub", 0x2A, MRMSrcMem >; // R8 -= [mem8]
def SUBrm16 : I2A16<"sub", 0x2B, MRMSrcMem >, OpSize; // R16 -= [mem16]
def SUBrm32 : I2A32<"sub", 0x2B, MRMSrcMem >; // R32 -= [mem32]
def SUBmi8 : I2A8 <"sub", 0x80, MRMDestMem>; // [mem8] -= I8
def SUBmi16 : I2A16<"sub", 0x81, MRMDestMem>, OpSize; // [mem16] -= I16
def SUBmi32 : I2A32<"sub", 0x81, MRMDestMem>; // [mem32] -= I8
def SUBmi16b : I2A8 <"sub", 0x83, MRMDestMem>, OpSize; // [mem16] -= I8
def SUBmi32b : I2A8 <"sub", 0x83, MRMDestMem>; // [mem32] -= I32
def SUBri8 : I2A8 <"sub", 0x80, MRM5r >, Pattern<(set R8 , (minus R8 , imm))>;
def SUBri16 : I2A16<"sub", 0x81, MRM5r >, OpSize, Pattern<(set R16, (minus R16, imm))>;
def SUBri32 : I2A32<"sub", 0x81, MRM5r >, Pattern<(set R32, (minus R32, imm))>;
def SUBmi8 : I2A8 <"sub", 0x80, MRM5m >; // [mem8] -= I8
def SUBmi16 : I2A16<"sub", 0x81, MRM5m >, OpSize; // [mem16] -= I16
def SUBmi32 : I2A32<"sub", 0x81, MRM5m >; // [mem32] -= I8
def SUBri16b : I2A8 <"sub", 0x83, MRM5r >, OpSize;
def SUBri32b : I2A8 <"sub", 0x83, MRM5r >;
def SUBmi16b : I2A8 <"sub", 0x83, MRM5m >, OpSize; // [mem16] -= I8
def SUBmi32b : I2A8 <"sub", 0x83, MRM5m >; // [mem32] -= I32
def SBBrr32 : I2A32<"sbb", 0x19, MRMDestReg>; // R32 -= R32+Borrow
def SBBrm32 : I2A32<"sbb", 0x19, MRMSrcMem >; // R32 -= [mem32]+Borrow