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Add CMP{rm,mr,mi}{8,16,32}, INCm{8,16,32} and DECm{8,16,32} instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11544 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alkis Evlogimenos 2004-02-17 08:49:00 +00:00
parent 503770cfc3
commit 509d6d65b5
1 changed files with 22 additions and 6 deletions
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28
lib/Target/X86/X86InstrInfo.td
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@ -253,12 +253,19 @@ def NOTr8 : I2A8 <"not", 0xF6, MRMS2r>; // R8 = ~R8 = R8^-1
def NOTr16 : I2A16<"not", 0xF7, MRMS2r>, OpSize; // R16 = ~R16 = R16^-1
def NOTr32 : I2A32<"not", 0xF7, MRMS2r>; // R32 = ~R32 = R32^-1
def INCr8 : I2A8 <"inc", 0xFE, MRMS0r>; // R8 = R8 +1
def INCr16 : I2A16<"inc", 0xFF, MRMS0r>, OpSize; // R16 = R16+1
def INCr32 : I2A32<"inc", 0xFF, MRMS0r>; // R32 = R32+1
def DECr8 : I2A8 <"dec", 0xFE, MRMS1r>; // R8 = R8 -1
def DECr16 : I2A16<"dec", 0xFF, MRMS1r>, OpSize; // R16 = R16-1
def DECr32 : I2A32<"dec", 0xFF, MRMS1r>; // R32 = R32-1
def INCr8 : I2A8 <"inc", 0xFE, MRMS0r>; // ++R8
def INCr16 : I2A16<"inc", 0xFF, MRMS0r>, OpSize; // ++R16
def INCr32 : I2A32<"inc", 0xFF, MRMS0r>; // ++R32
def INCm8 : I2A8 <"inc", 0xFE, MRMS0m>; // ++R8
def INCm16 : I2A16<"inc", 0xFF, MRMS0m>, OpSize; // ++R16
def INCm32 : I2A32<"inc", 0xFF, MRMS0m>; // ++R32
def DECr8 : I2A8 <"dec", 0xFE, MRMS1r>; // --R8
def DECr16 : I2A16<"dec", 0xFF, MRMS1r>, OpSize; // --R16
def DECr32 : I2A32<"dec", 0xFF, MRMS1r>; // --R32
def DECm8 : I2A8 <"dec", 0xFE, MRMS1m>; // --[mem8]
def DECm16 : I2A16<"dec", 0xFF, MRMS1m>, OpSize; // --[mem16]
def DECm32 : I2A32<"dec", 0xFF, MRMS1m>; // --[mem32]
@ -435,9 +442,18 @@ def CMPrr8 : X86Inst<"cmp", 0x38, MRMDestReg, Arg8 >; // compare R
def CMPrr16 : X86Inst<"cmp", 0x39, MRMDestReg, Arg16>, OpSize; // compare R16, R16
def CMPrr32 : X86Inst<"cmp", 0x39, MRMDestReg, Arg32>, // compare R32, R32
Pattern<(isVoid (unspec2 R32, R32))>;
def CMPmr8 : X86Inst<"cmp", 0x38, MRMDestMem, Arg8 >; // compare [mem8], R8
def CMPmr16 : X86Inst<"cmp", 0x39, MRMDestMem, Arg16>, OpSize; // compare [mem16], R16
def CMPmr32 : X86Inst<"cmp", 0x39, MRMDestMem, Arg32>; // compare [mem32], R32
def CMPrm8 : X86Inst<"cmp", 0x3A, MRMSrcMem , Arg8 >; // compare R8, [mem8]
def CMPrm16 : X86Inst<"cmp", 0x3B, MRMSrcMem , Arg16>, OpSize; // compare R16, [mem16]
def CMPrm32 : X86Inst<"cmp", 0x3B, MRMSrcMem , Arg32>; // compare R32, [mem32]
def CMPri8 : X86Inst<"cmp", 0x80, MRMS7r , Arg8 >; // compare R8, imm8
def CMPri16 : X86Inst<"cmp", 0x81, MRMS7r , Arg16>, OpSize; // compare R16, imm16
def CMPri32 : X86Inst<"cmp", 0x81, MRMS7r , Arg32>; // compare R32, imm32
def CMPmi8 : X86Inst<"cmp", 0x80, MRMS7m , Arg8 >; // compare [mem8], imm8
def CMPmi16 : X86Inst<"cmp", 0x81, MRMS7m , Arg16>, OpSize; // compare [mem16], imm16
def CMPmi32 : X86Inst<"cmp", 0x81, MRMS7m , Arg32>; // compare [mem32], imm32
// Sign/Zero extenders
def MOVSXr16r8 : X86Inst<"movsx", 0xBE, MRMSrcReg, Arg8>, TB, OpSize; // R16 = signext(R8)