// specified below, and is used to make all of the information relevant to an
// instruction be in one place.
//
+// Note that X86 Instructions always have the destination register listed as
+// operand 0, unless it does not produce a value (in which case the TSFlags will
+// include X86II::Void).
+//
//===----------------------------------------------------------------------===//
// NOTE: No include guards desired
#errror "Must define I macro before including X86/X86InstructionInfo.def!"
#endif
+// Macro to handle the implicit register uses lists...
+#ifndef IMPREGSLIST
+#define IMPREGSLIST(NAME, ...)
+#endif
+
+// Implicit register usage info: O_ is for one register, T_ is for two registers
+IMPREGSLIST(NoImpRegs, 0)
+IMPREGSLIST(O_AL , X86::AL , 0)
+IMPREGSLIST(O_AH , X86::AH , 0)
+IMPREGSLIST(O_CL , X86::CL , 0)
+IMPREGSLIST(O_AX , X86::AX , 0)
+IMPREGSLIST(O_DX , X86::DX , 0)
+IMPREGSLIST(O_EAX , X86::EAX, 0)
+IMPREGSLIST(O_EDX , X86::EDX, 0)
+IMPREGSLIST(O_EBP , X86::EBP, 0)
+IMPREGSLIST(T_AXDX , X86::AX , X86::DX , 0)
+IMPREGSLIST(T_EAXEDX , X86::EAX, X86::EDX, 0)
+
+#undef IMPREGSLIST
+
+
// Arguments to be passed into the I macro
// #1: Enum name - This ends up being the opcode symbol in the X86 namespace
// #2: Opcode name, as used by the gnu assembler
-// #3: Instruction Flags - This should be a field or'd together that contains
-// constants from the MInstructionInfo.h file.
-// #4: Target Specific Flags - Another bitfield containing X86 specific flags
-// that we are interested in for each instruction
+// #3: The base opcode for the instruction
+// #4: Instruction Flags - This should be a field or'd together that contains
+// constants from the MachineInstrInfo.h file.
+// #5: Target Specific Flags - Another bitfield containing X86 specific flags
+// that we are interested in for each instruction. These should be flags
+// defined in X86InstrInfo.h in the X86II namespace.
+// #6: Name of the implicit register uses list
+// #7: Name of the implicit register definitions list
//
// The first instruction must always be the PHI instruction:
-I(PHI , "phi", 0, 0)
+I(PHI , "phi", 0, 0, 0, NoImpRegs, NoImpRegs)
+
+// The second instruction must always be the noop instruction:
+I(NOOP , "nop", 0x90, 0, X86II::RawFrm | X86II::Void, NoImpRegs, NoImpRegs) // nop
+
+// Flow control instructions
+I(RET , "ret", 0xC3, M_RET_FLAG, X86II::RawFrm | X86II::Void, NoImpRegs, NoImpRegs) // ret
+I(JMP , "jmp", 0xE9, M_BRANCH_FLAG, X86II::RawFrm | X86II::Void, NoImpRegs, NoImpRegs) // jmp foo
+I(JNE , "jne", 0x85, M_BRANCH_FLAG, X86II::RawFrm | X86II::TB | X86II::Void, NoImpRegs, NoImpRegs)
+I(JE , "je", 0x84, M_BRANCH_FLAG, X86II::RawFrm | X86II::TB | X86II::Void, NoImpRegs, NoImpRegs)
+I(CALLpcrel32 , "call", 0xE8, M_BRANCH_FLAG, X86II::Void, NoImpRegs, NoImpRegs)
+
+// Misc instructions
+I(LEAVE , "leave", 0xC9, 0, X86II::RawFrm, O_EBP, O_EBP) // leave
+
+// Move instructions
+I(MOVrr8 , "movb", 0x88, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R8 = R8
+I(MOVrr16 , "movw", 0x89, 0, X86II::MRMDestReg | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 = R16
+I(MOVrr32 , "movl", 0x89, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R32 = R32
+I(MOVir8 , "movb", 0xB0, 0, X86II::AddRegFrm, NoImpRegs, NoImpRegs) // R8 = imm8
+I(MOVir16 , "movw", 0xB8, 0, X86II::AddRegFrm | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 = imm16
+I(MOVir32 , "movl", 0xB8, 0, X86II::AddRegFrm, NoImpRegs, NoImpRegs) // R32 = imm32
+I(MOVmr8 , "movb", 0x8A, 0, X86II::MRMSrcMem, NoImpRegs, NoImpRegs) // R8 = [mem]
+I(MOVmr16 , "movw", 0x8B, 0, X86II::MRMSrcMem | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 = [mem]
+I(MOVmr32 , "movl", 0x8B, 0, X86II::MRMSrcMem, NoImpRegs, NoImpRegs) // R32 = [mem]
+I(MOVrm8 , "movb", 0x88, 0, X86II::MRMDestMem | X86II::Void, NoImpRegs, NoImpRegs) // [mem] = R8
+I(MOVrm16 , "movw", 0x89, 0, X86II::MRMDestMem | X86II::Void | // [mem] = R16
+ X86II::OpSize, NoImpRegs, NoImpRegs)
+I(MOVrm32 , "movl", 0x89, 0, X86II::MRMDestMem | X86II::Void, NoImpRegs, NoImpRegs) // [mem] = R32
+
+I(PUSHr32 , "pushl", 0x50, 0, X86II::AddRegFrm | X86II::Void, NoImpRegs, NoImpRegs)
+I(POPr32 , "popl", 0x58, 0, X86II::AddRegFrm, NoImpRegs, NoImpRegs)
+
+// Arithmetic instructions
+I(ADDrr8 , "addb", 0x00, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R8 += R8
+I(ADDrr16 , "addw", 0x01, 0, X86II::MRMDestReg | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 += R16
+I(ADDrr32 , "addl", 0x01, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R32 += R32
+I(ADDri32 , "add", 0x81, 0, X86II::MRMS0r, NoImpRegs, NoImpRegs) // R32 += imm32
+I(SUBrr8 , "subb", 0x2A, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R8 -= R8
+I(SUBrr16 , "subw", 0x2B, 0, X86II::MRMDestReg | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 -= R16
+I(SUBrr32 , "subl", 0x2B, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R32 -= R32
+I(SUBri32 , "sub", 0x81, 0, X86II::MRMS5r, NoImpRegs, NoImpRegs) // R32 -= imm32
+I(MULrr8 , "mulb", 0xF6, 0, X86II::MRMS4r | X86II::Void, O_AL, O_AX) // AX = AL*R8
+I(MULrr16 , "mulw", 0xF7, 0, X86II::MRMS4r | X86II::Void | // DX:AX= AX*R16
+ X86II::OpSize, O_AX, T_AXDX)
+I(MULrr32 , "mull", 0xF7, 0, X86II::MRMS4r | X86II::Void, O_EAX, T_EAXEDX) // ED:EA= EA*R32
+
+// unsigned division/remainder
+I(DIVrr8 , "divb", 0xF6, 0, X86II::MRMS6r | X86II::Void, O_AX, O_AX) // AX/r8= AL&AH
+I(DIVrr16 , "divw", 0xF7, 0, X86II::MRMS6r | X86II::Void | // EDXEAX/r16=AX&DX
+ X86II::OpSize, T_AXDX, T_AXDX)
+I(DIVrr32 , "divl", 0xF7, 0, X86II::MRMS6r | X86II::Void, T_EAXEDX, T_EAXEDX) // EDXEAX/r32=EAX&EDX
+
+// signed division/remainder
+I(IDIVrr8 , "idivb", 0xF6, 0, X86II::MRMS7r | X86II::Void, O_AX, O_AX) // AX/r8= AL&AH
+I(IDIVrr16 , "idivw", 0xF7, 0, X86II::MRMS7r | X86II::Void | // DA/r16=AX&DX
+ X86II::OpSize, T_AXDX, T_AXDX)
+I(IDIVrr32 , "idivl", 0xF7, 0, X86II::MRMS7r | X86II::Void, T_EAXEDX, T_EAXEDX) // DA/r32=EAX&DX
+
+// Logical operators
+I(ANDrr8 , "andb", 0x20, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R8 &= R8
+I(ANDrr16 , "andw", 0x21, 0, X86II::MRMDestReg | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 &= R16
+I(ANDrr32 , "andl", 0x21, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R32 &= R32
+I(ORrr8 , "orb", 0x08, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R8 |= R8
+I(ORrr16 , "orw", 0x09, 0, X86II::MRMDestReg | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 |= R16
+I(ORrr32 , "orl", 0x09, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R32 |= R32
+I(XORrr8 , "xorb", 0x30, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R8 ^= R8
+I(XORrr16 , "xorw", 0x31, 0, X86II::MRMDestReg | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 ^= R16
+I(XORrr32 , "xorl", 0x31, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // R32 ^= R32
+
+// Shift instructions
+I(SHLrr8 , "shlb", 0xD2, 0, X86II::MRMS4r, O_CL, NoImpRegs) // R8 <<= cl D2/4
+I(SHLrr16 , "shlw", 0xD3, 0, X86II::MRMS4r | X86II::OpSize, O_CL, NoImpRegs) // R16 <<= cl D3/4
+I(SHLrr32 , "shll", 0xD3, 0, X86II::MRMS4r, O_CL, NoImpRegs) // R32 <<= cl D3/4
+I(SHLir8 , "shlb", 0xC0, 0, X86II::MRMS4r, NoImpRegs, NoImpRegs) // R8 <<= imm8 C0/4 ib
+I(SHLir16 , "shlw", 0xC1, 0, X86II::MRMS4r | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 <<= imm8 C1/4 ib
+I(SHLir32 , "shll", 0xC1, 0, X86II::MRMS4r, NoImpRegs, NoImpRegs) // R32 <<= imm8 C1/4 ib
+I(SHRrr8 , "shrb", 0xD2, 0, X86II::MRMS5r, O_CL, NoImpRegs) // R8 >>>= cl D2/5
+I(SHRrr16 , "shrw", 0xD3, 0, X86II::MRMS5r | X86II::OpSize, O_CL, NoImpRegs) // R16 >>>= cl D3/5
+I(SHRrr32 , "shrl", 0xD3, 0, X86II::MRMS5r, O_CL, NoImpRegs) // R32 >>>= cl D3/5
+I(SHRir8 , "shrb", 0xC0, 0, X86II::MRMS5r, NoImpRegs, NoImpRegs) // R8 >>>= imm8 C0/5 ib
+I(SHRir16 , "shrw", 0xC1, 0, X86II::MRMS5r | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 >>>= imm8 C1/5 ib
+I(SHRir32 , "shrl", 0xC1, 0, X86II::MRMS5r, NoImpRegs, NoImpRegs) // R32 >>>= imm8 C1/5 ib
+I(SARrr8 , "sarb", 0xD2, 0, X86II::MRMS7r, O_CL, NoImpRegs) // R8 >>= cl D2/7
+I(SARrr16 , "sarw", 0xD3, 0, X86II::MRMS7r | X86II::OpSize, O_CL, NoImpRegs) // R16 >>= cl D3/7
+I(SARrr32 , "sarl", 0xD3, 0, X86II::MRMS7r, O_CL, NoImpRegs) // R32 >>= cl D3/7
+I(SARir8 , "sarb", 0xC0, 0, X86II::MRMS7r, NoImpRegs, NoImpRegs) // R8 >>= imm8 C0/7 ib
+I(SARir16 , "sarw", 0xC1, 0, X86II::MRMS7r | X86II::OpSize, NoImpRegs, NoImpRegs) // R16 >>= imm8 C1/7 ib
+I(SARir32 , "sarl", 0xC1, 0, X86II::MRMS7r, NoImpRegs, NoImpRegs) // R32 >>= imm8 C1/7 ib
+
+// Floating point loads
+I(FLDr4 , "flds", 0xD9, 0, X86II::MRMS0m, NoImpRegs, NoImpRegs) // push float D9/0
+I(FLDr8 , "fldl ", 0xDD, 0, X86II::MRMS0m, NoImpRegs, NoImpRegs) // push double DD/0
+
+// Floating point compares
+I(FUCOMPP , "fucompp", 0xDA, 0, X86II::Void, NoImpRegs, NoImpRegs) // compare+pop2x DA E9
-// The second instruction must always be the noop instruction
-I(NOOP , "nop", 0, 0) // nop 90
+// Floating point flag ops
+I(FNSTSWr8 , "fnstsw", 0xDF, 0, X86II::Void, NoImpRegs, O_AX) // AX = fp flags DF E0
-// Miscellaneous instructions
-I(RET , "ret", MIF::RET, 0) // ret CB
+// Condition code ops, incl. set if equal/not equal/...
+I(SAHF , "sahf", 0x9E, 0, X86II::RawFrm, O_AH, NoImpRegs) // flags = AH
+I(SETBr , "setb", 0x92, 0, X86II::TB | X86II::MRMS0r, NoImpRegs, NoImpRegs) // R8 = < unsign
+I(SETAEr , "setae", 0x93, 0, X86II::TB | X86II::MRMS0r, NoImpRegs, NoImpRegs) // R8 = >=unsign
+I(SETEr , "sete", 0x94, 0, X86II::TB | X86II::MRMS0r, NoImpRegs, NoImpRegs) // R8 = ==
+I(SETNEr , "setne", 0x95, 0, X86II::TB | X86II::MRMS0r, NoImpRegs, NoImpRegs) // R8 = !=
+I(SETBEr , "setbe", 0x96, 0, X86II::TB | X86II::MRMS0r, NoImpRegs, NoImpRegs) // R8 = <=unsign
+I(SETAr , "seta", 0x97, 0, X86II::TB | X86II::MRMS0r, NoImpRegs, NoImpRegs) // R8 = > unsign
+I(SETLr , "setl", 0x9C, 0, X86II::TB | X86II::MRMS0r, NoImpRegs, NoImpRegs) // R8 = < signed
+I(SETGEr , "setge", 0x9D, 0, X86II::TB | X86II::MRMS0r, NoImpRegs, NoImpRegs) // R8 = >=signed
+I(SETLEr , "setle", 0x9E, 0, X86II::TB | X86II::MRMS0r, NoImpRegs, NoImpRegs) // R8 = <=signed
+I(SETGr , "setg", 0x9F, 0, X86II::TB | X86II::MRMS0r, NoImpRegs, NoImpRegs) // R8 = > signed
-I(ADDrr8 , "add", 0, 0) // R8 += R8 00/r
-I(ADDrr16 , "add", 0, 0) // R16 += R16 01/r
-I(ADDrr32 , "addl", 0, 0) // R32 += R32 02/r
+// Integer comparisons
+I(CMPrr8 , "cmpb", 0x38, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // compare R8,R8
+I(CMPrr16 , "cmpw", 0x39, 0, X86II::MRMDestReg | X86II::OpSize, NoImpRegs, NoImpRegs) // compare R16,R16
+I(CMPrr32 , "cmpl", 0x39, 0, X86II::MRMDestReg, NoImpRegs, NoImpRegs) // compare R32,R32
+I(CMPri8 , "cmp", 0x80, 0, X86II::MRMS7r, NoImpRegs, NoImpRegs) // compare R8, imm8
+// Sign extenders (first 3 are good for DIV/IDIV; the others are more general)
+I(CBW , "cbw", 0x98, 0, X86II::RawFrm, O_AL, O_AX) // 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)
+ X86II::OpSize, NoImpRegs, NoImpRegs)
+I(MOVSXr32r8 , "movsx", 0xBE, 0, X86II::MRMSrcReg | X86II::TB, NoImpRegs, NoImpRegs) // R32 = signext(R8)
+I(MOVSXr32r16 , "movsx", 0xBF, 0, X86II::MRMSrcReg | X86II::TB, NoImpRegs, NoImpRegs) // R32 = signext(R16)
+I(MOVZXr16r8 , "movzx", 0xB6, 0, X86II::MRMSrcReg | X86II::TB | // R16 = zeroext(R8)
+ X86II::OpSize, NoImpRegs, NoImpRegs)
+I(MOVZXr32r8 , "movzx", 0xB6, 0, X86II::MRMSrcReg | X86II::TB, NoImpRegs, NoImpRegs) // R32 = zeroext(R8)
+I(MOVZXr32r16 , "movzx", 0xB7, 0, X86II::MRMSrcReg | X86II::TB, NoImpRegs, NoImpRegs) // R32 = zeroext(R16)
-// At this point, I is dead to undefine the macro
+// At this point, I is dead, so undefine the macro
#undef I
projects / oota-llvm.git / blobdiff