assyntax.h

winNT技术操作系统,国外开放的原代码和LIUX一样

#define REGDIS(d,i,s)	CHOICE(d(,i,s), d(,i,s), d(i * s))
/* Indexed Base: */
#define REGBI(b,i)	CHOICE((b,i), (b,i), (b)(i))
/* Displaced Base: */
#define REGDB(d,b)	CHOICE(d(b), d(b), d(b))
/* Variable indirect: */
#define VARINDIRECT(var) CHOICE(*var, *var, (var))
/* Use register contents as jump/call target: */
#define CODEPTR(reg)	CHOICE(*reg, *reg, reg)

/* For expressions requiring bracketing
 * eg. (CRT0_PM | CRT_EM)
 */

#define EXPR(a)		CHOICE([a], (a), [a])
#define ENOT(a)		CHOICE(0!a, ~a, ~a)
#define EMUL(a,b)	CHOICE(a\*b, a*b, a*b)
#define EDIV(a,b)	CHOICE(a\/b, a/b, a/b)

/*
 * We have to beat the problem of commas within arguments to choice.
 * eg. choice (add a,b, add b,a) will get argument mismatch.  Luckily ANSI
 * and other known cpp definitions evaluate arguments before substitution
 * so the following works.
 */
#define ARG2(a, b)	a,b
#define ARG3(a,b,c)	a,b,c

/* Redefine assembler commands */
#define AAA		CHOICE(aaa, aaa, aaa)
#define AAD		CHOICE(aad, aad, aad)
#define AAM		CHOICE(aam, aam, aam)
#define AAS		CHOICE(aas, aas, aas)
#define ADC_L(a, b)	CHOICE(adcl ARG2(a,b), adcl ARG2(a,b), _LTOG adc ARG2(b,a))
#define ADC_W(a, b)	CHOICE(adcw ARG2(a,b), adcw ARG2(a,b), _WTOG adc ARG2(b,a))
#define ADC_B(a, b)	CHOICE(adcb ARG2(a,b), adcb ARG2(a,b), adcb ARG2(b,a))
#define ADD_L(a, b)	CHOICE(addl ARG2(a,b), addl ARG2(a,b), _LTOG add ARG2(b,a))
#define ADD_W(a, b)	CHOICE(addw ARG2(a,b), addw ARG2(a,b), _WTOG add ARG2(b,a))
#define ADD_B(a, b)	CHOICE(addb ARG2(a,b), addb ARG2(a,b), addb ARG2(b,a))
#define AND_L(a, b)	CHOICE(andl ARG2(a,b), andl ARG2(a,b), _LTOG and ARG2(b,a))
#define AND_W(a, b)	CHOICE(andw ARG2(a,b), andw ARG2(a,b), _WTOG and ARG2(b,a))
#define AND_B(a, b)	CHOICE(andb ARG2(a,b), andb ARG2(a,b), andb ARG2(b,a))
#define ARPL(a,b)	CHOICE(arpl ARG2(a,b), arpl ARG2(a,b), arpl ARG2(b,a))
#define BOUND_L(a, b)	CHOICE(boundl ARG2(a,b), boundl ARG2(b,a), _LTOG bound ARG2(b,a))
#define BOUND_W(a, b)	CHOICE(boundw ARG2(a,b), boundw ARG2(b,a), _WTOG bound ARG2(b,a))
#define BSF_L(a, b)	CHOICE(bsfl ARG2(a,b), bsfl ARG2(a,b), _LTOG bsf ARG2(b,a))
#define BSF_W(a, b)	CHOICE(bsfw ARG2(a,b), bsfw ARG2(a,b), _WTOG bsf ARG2(b,a))
#define BSR_L(a, b)	CHOICE(bsrl ARG2(a,b), bsrl ARG2(a,b), _LTOG bsr ARG2(b,a))
#define BSR_W(a, b)	CHOICE(bsrw ARG2(a,b), bsrw ARG2(a,b), _WTOG bsr ARG2(b,a))
#define BT_L(a, b)	CHOICE(btl ARG2(a,b), btl ARG2(a,b), _LTOG bt ARG2(b,a))
#define BT_W(a, b)	CHOICE(btw ARG2(a,b), btw ARG2(a,b), _WTOG bt ARG2(b,a))
#define BTC_L(a, b)	CHOICE(btcl ARG2(a,b), btcl ARG2(a,b), _LTOG btc ARG2(b,a))
#define BTC_W(a, b)	CHOICE(btcw ARG2(a,b), btcw ARG2(a,b), _WTOG btc ARG2(b,a))
#define BTR_L(a, b)	CHOICE(btrl ARG2(a,b), btrl ARG2(a,b), _LTOG btr ARG2(b,a))
#define BTR_W(a, b)	CHOICE(btrw ARG2(a,b), btrw ARG2(a,b), _WTOG btr ARG2(b,a))
#define BTS_L(a, b)	CHOICE(btsl ARG2(a,b), btsl ARG2(a,b), _LTOG bts ARG2(b,a))
#define BTS_W(a, b)	CHOICE(btsw ARG2(a,b), btsw ARG2(a,b), _WTOG bts ARG2(b,a))
#define CALL(a)		CHOICE(call a, call a, call a)
#define CALLF(s,a)	CHOICE(lcall ARG2(s,a), lcall ARG2(s,a), callf s:a)
#define CBW		CHOICE(cbtw, cbw, cbw)
#define CWDE		CHOICE(cwtd, cwde, cwde)
#define CLC		CHOICE(clc, clc, clc)
#define CLD		CHOICE(cld, cld, cld)
#define CLI		CHOICE(cli, cli, cli)
#define CLTS		CHOICE(clts, clts, clts)
#define CMC		CHOICE(cmc, cmc, cmc)
#define CMP_L(a, b)	CHOICE(cmpl ARG2(a,b), cmpl ARG2(a,b), _LTOG cmp ARG2(b,a))
#define CMP_W(a, b)	CHOICE(cmpw ARG2(a,b), cmpw ARG2(a,b), _WTOG cmp ARG2(b,a))
#define CMP_B(a, b)	CHOICE(cmpb ARG2(a,b), cmpb ARG2(a,b), cmpb ARG2(b,a))
#define CMPS_L		CHOICE(cmpsl, cmpsl, _LTOG cmps)
#define CMPS_W		CHOICE(cmpsw, cmpsw, _WTOG cmps)
#define CMPS_B		CHOICE(cmpsb, cmpsb, cmpsb)
#define CWD		CHOICE(cwtl, cwd, cwd)
#define CDQ		CHOICE(cltd, cdq, cdq)
#define DAA		CHOICE(daa, daa, daa)
#define DAS		CHOICE(das, das, das)
#define DEC_L(a)	CHOICE(decl a, decl a, _LTOG dec a)
#define DEC_W(a)	CHOICE(decw a, decw a, _WTOG dec a)
#define DEC_B(a)	CHOICE(decb a, decb a, decb a)
#define DIV_L(a)	CHOICE(divl a, divl a, div a)
#define DIV_W(a)	CHOICE(divw a, divw a, div a)
#define DIV_B(a)	CHOICE(divb a, divb a, divb a)
#define ENTER(a,b)	CHOICE(enter ARG2(a,b), enter ARG2(a,b), enter ARG2(b,a))
#define HLT		CHOICE(hlt, hlt, hlt)
#define IDIV_L(a)	CHOICE(idivl a, idivl a, _LTOG idiv a)
#define IDIV_W(a)	CHOICE(idivw a, idivw a, _WTOG idiv a)
#define IDIV_B(a)	CHOICE(idivb a, idivb a, idivb a)
/* More forms than this for imul!! */
#define IMUL_L(a, b)	CHOICE(imull ARG2(a,b), imull ARG2(a,b), _LTOG imul ARG2(b,a))
#define IMUL_W(a, b)	CHOICE(imulw ARG2(a,b), imulw ARG2(a,b), _WTOG imul ARG2(b,a))
#define IMUL_B(a)	CHOICE(imulb a, imulb a, imulb a)
#define IN_L		CHOICE(inl (DX), inl ARG2(DX,EAX), _LTOG in DX)
#define IN_W		CHOICE(inw (DX), inw ARG2(DX,AX), _WTOG in DX)
#define IN_B		CHOICE(inb (DX), inb ARG2(DX,AL), inb DX)
/* Please AS code writer: use the following ONLY, if you refer to ports<256
 * directly, but not in IN1_W(DX), for instance, even if IN1_ looks nicer
 */
#if defined (sun)
#define IN1_L(a)	CHOICE(inl (a), inl ARG2(a,EAX), _LTOG in a)
#define IN1_W(a)	CHOICE(inw (a), inw ARG2(a,AX), _WTOG in a)
#define IN1_B(a)	CHOICE(inb (a), inb ARG2(a,AL), inb a)
#else
#define IN1_L(a)	CHOICE(inl a, inl ARG2(a,EAX), _LTOG in a)
#define IN1_W(a)	CHOICE(inw a, inw ARG2(a,AX), _WTOG in a)
#define IN1_B(a)	CHOICE(inb a, inb ARG2(a,AL), inb a)
#endif
#define INC_L(a)	CHOICE(incl a, incl a, _LTOG inc a)
#define INC_W(a)	CHOICE(incw a, incw a, _WTOG inc a)
#define INC_B(a)	CHOICE(incb a, incb a, incb a)
#define INS_L		CHOICE(insl, insl, _LTOG ins)
#define INS_W		CHOICE(insw, insw, _WTOG ins)
#define INS_B		CHOICE(insb, insb, insb)
#define INT(a)		CHOICE(int a, int a, int a)
#define INT3		CHOICE(int CONST(3), int3, int CONST(3))
#define INTO		CHOICE(into, into, into)
#define IRET		CHOICE(iret, iret, iret)
#define IRETD		CHOICE(iret, iret, iretd)
#define JA(a)		CHOICE(ja a, ja a, ja a)
#define JAE(a)		CHOICE(jae a, jae a, jae a)
#define JB(a)		CHOICE(jb a, jb a, jb a)
#define JBE(a)		CHOICE(jbe a, jbe a, jbe a)
#define JC(a)		CHOICE(jc a, jc a, jc a)
#define JE(a)		CHOICE(je a, je a, je a)
#define JG(a)		CHOICE(jg a, jg a, jg a)
#define JGE(a)		CHOICE(jge a, jge a, jge a)
#define JL(a)		CHOICE(jl a, jl a, jl a)
#define JLE(a)		CHOICE(jle a, jle a, jle a)
#define JNA(a)		CHOICE(jna a, jna a, jna a)
#define JNAE(a)		CHOICE(jnae a, jnae a, jnae a)
#define JNB(a)		CHOICE(jnb a, jnb a, jnb a)
#define JNBE(a)		CHOICE(jnbe a, jnbe a, jnbe a)
#define JNC(a)		CHOICE(jnc a, jnc a, jnc a)
#define JNE(a)		CHOICE(jne a, jne a, jne a)
#define JNG(a)		CHOICE(jng a, jng a, jng a)
#define JNGE(a)		CHOICE(jnge a, jnge a, jnge a)
#define JNL(a)		CHOICE(jnl a, jnl a, jnl a)
#define JNLE(a)		CHOICE(jnle a, jnle a, jnle a)
#define JNO(a)		CHOICE(jno a, jno a, jno a)
#define JNP(a)		CHOICE(jnp a, jnp a, jnp a)
#define JNS(a)		CHOICE(jns a, jns a, jns a)
#define JNZ(a)		CHOICE(jnz a, jnz a, jnz a)
#define JO(a)		CHOICE(jo a, jo a, jo a)
#define JP(a)		CHOICE(jp a, jp a, jp a)
#define JPE(a)		CHOICE(jpe a, jpe a, jpe a)
#define JPO(a)		CHOICE(jpo a, jpo a, jpo a)
#define JS(a)		CHOICE(js a, js a, js a)
#define JZ(a)		CHOICE(jz a, jz a, jz a)
#define JMP(a)		CHOICE(jmp a, jmp a, jmp a)
#define JMPF(s,a)	CHOICE(ljmp ARG2(s,a), ljmp ARG2(s,a), jmpf s:a)
#define LAHF		CHOICE(lahf, lahf, lahf)
#if !defined(_REAL_MODE) && !defined(_V86_MODE)
#define LAR(a, b)	CHOICE(lar ARG2(a, b), lar ARG2(a, b), lar ARG2(b, a))
#endif
#define LEA_L(a, b)	CHOICE(leal ARG2(a,b), leal ARG2(a,b), _LTOG lea ARG2(b,a))
#define LEA_W(a, b)	CHOICE(leaw ARG2(a,b), leaw ARG2(a,b), _WTOG lea ARG2(b,a))
#define LEAVE		CHOICE(leave, leave, leave)
#define LGDT(a)		CHOICE(lgdt a, lgdt a, lgdt a)
#define LIDT(a)		CHOICE(lidt a, lidt a, lidt a)
#define LDS(a, b)	CHOICE(ldsl ARG2(a,b), lds ARG2(a,b), lds ARG2(b,a))
#define LES(a, b)	CHOICE(lesl ARG2(a,b), les ARG2(a,b), les ARG2(b,a))
#define LFS(a, b)	CHOICE(lfsl ARG2(a,b), lfs ARG2(a,b), lfs ARG2(b,a))
#define LGS(a, b)	CHOICE(lgsl ARG2(a,b), lgs ARG2(a,b), lgs ARG2(b,a))
#define LSS(a, b)	CHOICE(lssl ARG2(a,b), lss ARG2(a,b), lss ARG2(b,a))
#define LLDT(a)		CHOICE(lldt a, lldt a, lldt a)
#define LMSW(a)		CHOICE(lmsw a, lmsw a, lmsw a)
#define LOCK		CHOICE(lock, lock, lock)
#define LODS_L		CHOICE(lodsl, lodsl, _LTOG lods)
#define LODS_W		CHOICE(lodsw, lodsw, _WTOG lods)
#define LODS_B		CHOICE(lodsb, lodsb, lodsb)
#define LOOP(a)		CHOICE(loop a, loop a, loop a)
#define LOOPE(a)	CHOICE(loope a, loope a, loope a)
#define LOOPZ(a)	CHOICE(loopz a, loopz a, loopz a)
#define LOOPNE(a)	CHOICE(loopne a, loopne a, loopne a)
#define LOOPNZ(a)	CHOICE(loopnz a, loopnz a, loopnz a)
#if !defined(_REAL_MODE) && !defined(_V86_MODE)
#define LSL(a, b)	CHOICE(lsl ARG2(a,b), lsl ARG2(a,b), lsl ARG2(b,a))
#endif
#define LTR(a)		CHOICE(ltr a, ltr a, ltr a)
#define MOV_SR(a, b)	CHOICE(movw ARG2(a,b), mov ARG2(a,b), mov ARG2(b,a))
#define MOV_L(a, b)	CHOICE(movl ARG2(a,b), movl ARG2(a,b), _LTOG mov ARG2(b,a))
#define MOV_W(a, b)	CHOICE(movw ARG2(a,b), movw ARG2(a,b), _WTOG mov ARG2(b,a))
#define MOV_B(a, b)	CHOICE(movb ARG2(a,b), movb ARG2(a,b), movb ARG2(b,a))
#define MOVS_L		CHOICE(movsl, movsl, _LTOG movs)
#define MOVS_W		CHOICE(movsw, movsw, _WTOG movs)
#define MOVS_B		CHOICE(movsb, movsb, movsb)
#define MOVSX_BL(a, b)	CHOICE(movsbl ARG2(a,b), movsbl ARG2(a,b), movsx ARG2(b,a))
#define MOVSX_BW(a, b)	CHOICE(movsbw ARG2(a,b), movsbw ARG2(a,b), movsx ARG2(b,a))
#define MOVSX_WL(a, b)	CHOICE(movswl ARG2(a,b), movswl ARG2(a,b), movsx ARG2(b,a))
#define MOVZX_BL(a, b)	CHOICE(movzbl ARG2(a,b), movzbl ARG2(a,b), movzx ARG2(b,a))
#define MOVZX_BW(a, b)	CHOICE(movzbw ARG2(a,b), movzbw ARG2(a,b), movzx ARG2(b,a))
#define MOVZX_WL(a, b)	CHOICE(movzwl ARG2(a,b), movzwl ARG2(a,b), movzx ARG2(b,a))
#define MUL_L(a)	CHOICE(mull a, mull a, _LTOG mul a)
#define MUL_W(a)	CHOICE(mulw a, mulw a, _WTOG mul a)
#define MUL_B(a)	CHOICE(mulb a, mulb a, mulb a)
#define NEG_L(a)	CHOICE(negl a, negl a, _LTOG neg a)
#define NEG_W(a)	CHOICE(negw a, negw a, _WTOG neg a)
#define NEG_B(a)	CHOICE(negb a, negb a, negb a)
#define NOP		CHOICE(nop, nop, nop)
#define NOT_L(a)	CHOICE(notl a, notl a, _LTOG not a)
#define NOT_W(a)	CHOICE(notw a, notw a, _WTOG not a)
#define NOT_B(a)	CHOICE(notb a, notb a, notb a)
#define OR_L(a,b)	CHOICE(orl ARG2(a,b), orl ARG2(a,b), _LTOG or ARG2(b,a))
#define OR_W(a,b)	CHOICE(orw ARG2(a,b), orw ARG2(a,b), _WTOG or ARG2(b,a))
#define OR_B(a,b)	CHOICE(orb ARG2(a,b), orb ARG2(a,b), orb ARG2(b,a))
#define OUT_L		CHOICE(outl (DX), outl ARG2(EAX,DX), _LTOG out DX)
#define OUT_W		CHOICE(outw (DX), outw ARG2(AX,DX), _WTOG out DX)
#define OUT_B		CHOICE(outb (DX), outb ARG2(AL,DX), outb DX)
/* Please AS code writer: use the following ONLY, if you refer to ports<256
 * directly, but not in OUT1_W(DX), for instance, even if OUT1_ looks nicer
 */
#define OUT1_L(a)	CHOICE(outl (a), outl ARG2(EAX,a), _LTOG out a)
#define OUT1_W(a)	CHOICE(outw (a), outw ARG2(AX,a), _WTOG out a)
#define OUT1_B(a)	CHOICE(outb (a), outb ARG2(AL,a), outb a)
#define OUTS_L		CHOICE(outsl, outsl, _LTOG outs)
#define OUTS_W		CHOICE(outsw, outsw, _WTOG outs)
#define OUTS_B		CHOICE(outsb, outsb, outsb)
#define POP_SR(a)	CHOICE(pop a, pop a, pop a)
#define POP_L(a)	CHOICE(popl a, popl a, _LTOG pop a)
#define POP_W(a)	CHOICE(popw a, popw a, _WTOG pop a)
#define POPA_L		CHOICE(popal, popal, _LTOG popa)
#define POPA_W		CHOICE(popaw, popaw, _WTOG popa)
#define POPF_L		CHOICE(popfl, popfl, _LTOG popf)
#define POPF_W		CHOICE(popfw, popfw, _WTOG popf)
#define PUSH_SR(a)	CHOICE(push a, push a, push a)
#define PUSH_L(a)	CHOICE(pushl a, pushl a, _LTOG push a)
#define PUSH_W(a)	CHOICE(pushw a, pushw a, _WTOG push a)
#define PUSH_B(a)	CHOICE(push a, pushb a, push a)
#define PUSHA_L		CHOICE(pushal, pushal, _LTOG pusha)
#define PUSHA_W		CHOICE(pushaw, pushaw, _WTOG pusha)
#define PUSHF_L		CHOICE(pushfl, pushfl, _LTOG pushf)
#define PUSHF_W		CHOICE(pushfw, pushfw, _WTOG pushf)
#define RCL_L(a, b)	CHOICE(rcll ARG2(a,b), rcll ARG2(a,b), _LTOG rcl ARG2(b,a))
#define RCL_W(a, b)	CHOICE(rclw ARG2(a,b), rclw ARG2(a,b), _WTOG rcl ARG2(b,a))
#define RCL_B(a, b)	CHOICE(rclb ARG2(a,b), rclb ARG2(a,b), rclb ARG2(b,a))
#define RCR_L(a, b)	CHOICE(rcrl ARG2(a,b), rcrl ARG2(a,b), _LTOG rcr ARG2(b,a))
#define RCR_W(a, b)	CHOICE(rcrw ARG2(a,b), rcrw ARG2(a,b), _WTOG rcr ARG2(b,a))
#define RCR_B(a, b)	CHOICE(rcrb ARG2(a,b), rcrb ARG2(a,b), rcrb ARG2(b,a))
#define ROL_L(a, b)	CHOICE(roll ARG2(a,b), roll ARG2(a,b), _LTOG rol ARG2(b,a))
#define ROL_W(a, b)	CHOICE(rolw ARG2(a,b), rolw ARG2(a,b), _WTOG rol ARG2(b,a))
#define ROL_B(a, b)	CHOICE(rolb ARG2(a,b), rolb ARG2(a,b), rolb ARG2(b,a))
#define ROR_L(a, b)	CHOICE(rorl ARG2(a,b), rorl ARG2(a,b), _LTOG ror ARG2(b,a))
#define ROR_W(a, b)	CHOICE(rorw ARG2(a,b), rorw ARG2(a,b), _WTOG ror ARG2(b,a))
#define ROR_B(a, b)	CHOICE(rorb ARG2(a,b), rorb ARG2(a,b), rorb ARG2(b,a))
#define REP		CHOICE(rep ;, rep ;, repe)
#define REPE		CHOICE(repz ;, repe ;, repe)
#define REPNE		CHOICE(repnz ;, repne ;, repne)
#define REPNZ		REPNE
#define REPZ		REPE
#define RET		CHOICE(ret, ret, ret)
#define SAHF		CHOICE(sahf, sahf, sahf)
#define SAL_L(a, b)	CHOICE(sall ARG2(a,b), sall ARG2(a,b), _LTOG sal ARG2(b,a))
#define SAL_W(a, b)	CHOICE(salw ARG2(a,b), salw ARG2(a,b), _WTOG sal ARG2(b,a))
#define SAL_B(a, b)	CHOICE(salb ARG2(a,b), salb ARG2(a,b), salb ARG2(b,a))
#define SAR_L(a, b)	CHOICE(sarl ARG2(a,b), sarl ARG2(a,b), _LTOG sar ARG2(b,a))
#define SAR_W(a, b)	CHOICE(sarw ARG2(a,b), sarw ARG2(a,b), _WTOG sar ARG2(b,a))
#define SAR_B(a, b)	CHOICE(sarb ARG2(a,b), sarb ARG2(a,b), sarb ARG2(b,a))
#define SBB_L(a, b)	CHOICE(sbbl ARG2(a,b), sbbl ARG2(a,b), _LTOG sbb ARG2(b,a))
#define SBB_W(a, b)	CHOICE(sbbw ARG2(a,b), sbbw ARG2(a,b), _WTOG sbb ARG2(b,a))
#define SBB_B(a, b)	CHOICE(sbbb ARG2(a,b), sbbb ARG2(a,b), sbbb ARG2(b,a))
#define SCAS_L		CHOICE(scasl, scasl, _LTOG scas)
#define SCAS_W		CHOICE(scasw, scasw, _WTOG scas)
#define SCAS_B		CHOICE(scasb, scasb, scasb)
#define SETA(a)		CHOICE(seta a, seta a, seta a)
#define SETAE(a)	CHOICE(setae a, setae a, setae a)
#define SETB(a)		CHOICE(setb a, setb a, setb a)
#define SETBE(a)	CHOICE(setbe a, setbe a, setbe a)
#define SETC(a)		CHOICE(setc a, setb a, setb a)
#define SETE(a)		CHOICE(sete a, sete a, sete a)
#define SETG(a)		CHOICE(setg a, setg a, setg a)
#define SETGE(a)	CHOICE(setge a, setge a, setge a)
#define SETL(a)		CHOICE(setl a, setl a, setl a)
#define SETLE(a)	CHOICE(setle a, setle a, setle a)
#define SETNA(a)	CHOICE(setna a, setna a, setna a)
#define SETNAE(a)	CHOICE(setnae a, setnae a, setnae a)
#define SETNB(a)	CHOICE(setnb a, setnb a, setnb a)
#define SETNBE(a)	CHOICE(setnbe a, setnbe a, setnbe a)
#define SETNC(a)	CHOICE(setnc a, setnb a, setnb a)
#define SETNE(a)	CHOICE(setne a, setne a, setne a)
#define SETNG(a)	CHOICE(setng a, setng a, setng a)
#define SETNGE(a)	CHOICE(setnge a, setnge a, setnge a)
#define SETNL(a)	CHOICE(setnl a, setnl a, setnl a)
#define SETNLE(a)	CHOICE(setnle a, setnle a, setnle a)
#define SETNO(a)	CHOICE(setno a, setno a, setno a)
#define SETNP(a)	CHOICE(setnp a, setnp a, setnp a)
#define SETNS(a)	CHOICE(setns a, setns a, setna a)
#define SETNZ(a)	CHOICE(setnz a, setnz a, setnz a)
#define SETO(a)		CHOICE(seto a, seto a, seto a)
#define SETP(a)		CHOICE(setp a, setp a, setp a)
#define SETPE(a)	CHOICE(setpe a, setpe a, setpe a)
#define SETPO(a)	CHOICE(setpo a, setpo a, setpo a)
#define SETS(a)		CHOICE(sets a, sets a, seta a)
#define SETZ(a)		CHOICE(setz a, setz a, setz a)
#define SGDT(a)		CHOICE(sgdt a, sgdt a, sgdt a)
#define SIDT(a)		CHOICE(sidt a, sidt a, sidt a)
#define SHL_L(a, b)	CHOICE(shll ARG2(a,b), shll ARG2(a,b), _LTOG shl ARG2(b,a))
#define SHL_W(a, b)	CHOICE(shlw ARG2(a,b), shlw ARG2(a,b), _WTOG shl ARG2(b,a))
#define SHL_B(a, b)	CHOICE(shlb ARG2(a,b), shlb ARG2(a,b), shlb ARG2(b,a))
#define SHLD_L(a,b,c)	CHOICE(shldl ARG3(a,b,c), shldl ARG3(a,b,c), _LTOG shld ARG3(c,b,a))
#define SHLD2_L(a,b)	CHOICE(shldl ARG2(a,b), shldl ARG3(CL,a,b), _LTOG shld ARG3(b,a,CL))
#define SHLD_W(a,b,c)	CHOICE(shldw ARG3(a,b,c), shldw ARG3(a,b,c), _WTOG shld ARG3(c,b,a))
#define SHLD2_W(a,b)	CHOICE(shldw ARG2(a,b), shldw ARG3(CL,a,b), _WTOG shld ARG3(b,a,CL))
#define SHR_L(a, b)	CHOICE(shrl ARG2(a,b), shrl ARG2(a,b), _LTOG shr ARG2(b,a))
#define SHR_W(a, b)	CHOICE(shrw ARG2(a,b), shrw ARG2(a,b), _WTOG shr ARG2(b,a))
#define SHR_B(a, b)	CHOICE(shrb ARG2(a,b), shrb ARG2(a,b), shrb ARG2(b,a))
#define SHRD_L(a,b,c)	CHOICE(shrdl ARG3(a,b,c), shrdl ARG3(a,b,c), _LTOG shrd ARG3(c,b,a))
#define SHRD2_L(a,b)	CHOICE(shrdl ARG2(a,b), shrdl ARG3(CL,a,b), _LTOG shrd ARG3(b,a,CL))
#define SHRD_W(a,b,c)	CHOICE(shrdw ARG3(a,b,c), shrdw ARG3(a,b,c), _WTOG shrd ARG3(c,b,a))
#define SHRD2_W(a,b)	CHOICE(shrdw ARG2(a,b), shrdw ARG3(CL,a,b), _WTOG shrd ARG3(b,a,CL))
#define SLDT(a)		CHOICE(sldt a, sldt a, sldt a)
#define SMSW(a)		CHOICE(smsw a, smsw a, smsw a)
#define STC		CHOICE(stc, stc, stc)
#define STD		CHOICE(std, std, std)
#define STI		CHOICE(sti, sti, sti)
#define STOS_L		CHOICE(stosl, stosl, _LTOG stos)
#define STOS_W		CHOICE(stosw, stosw, _WTOG stos)
#define STOS_B		CHOICE(stosb, stosb, stosb)
#define STR(a)		CHOICE(str a, str a, str a)
#define SUB_L(a, b)	CHOICE(subl ARG2(a,b), subl ARG2(a,b), _LTOG sub ARG2(b,a))
#define SUB_W(a, b)	CHOICE(subw ARG2(a,b), subw ARG2(a,b), _WTOG sub ARG2(b,a))
#define SUB_B(a, b)	CHOICE(subb ARG2(a,b), subb ARG2(a,b), subb ARG2(b,a))
#define TEST_L(a, b)	CHOICE(testl ARG2(a,b), testl ARG2(a,b), _LTOG test ARG2(b,a))
#define TEST_W(a, b)	CHOICE(testw ARG2(a,b), testw ARG2(a,b), _WTOG test ARG2(b,a))
#define TEST_B(a, b)	CHOICE(testb ARG2(a,b), testb ARG2(a,b), testb ARG2(b,a))
#define VERR(a)		CHOICE(verr a, verr a, verr a)
#define VERW(a)		CHOICE(verw a, verw a, verw a)
#define WAIT		CHOICE(wait, wait, wait)
#define XCHG_L(a, b)	CHOICE(xchgl ARG2(a,b), xchgl ARG2(a,b), _LTOG xchg ARG2(b,a))
#define XCHG_W(a, b)	CHOICE(xchgw ARG2(a,b), xchgw ARG2(a,b), _WTOG xchg ARG2(b,a))
#define XCHG_B(a, b)	CHOICE(xchgb ARG2(a,b), xchgb ARG2(a,b), xchgb ARG2(b,a))
#define XLAT		CHOICE(xlat, xlat, xlat)
#define XOR_L(a, b)	CHOICE(xorl ARG2(a,b), xorl ARG2(a,b), _LTOG xor ARG2(b,a))
#define XOR_W(a, b)	CHOICE(xorw ARG2(a,b), xorw ARG2(a,b), _WTOG xor ARG2(b,a))
#define XOR_B(a, b)	CHOICE(xorb ARG2(a,b), xorb ARG2(a,b), xorb ARG2(b,a))


/* Floating Point Instructions */
#define F2XM1		CHOICE(f2xm1, f2xm1, f2xm1)
#define FABS		CHOICE(fabs, fabs, fabs)
#define FADD_D(a)	CHOICE(faddl a, faddl a, faddd a)
#define FADD_S(a)	CHOICE(fadds a, fadds a, fadds a)
#define FADD2(a, b)	CHOICE(fadd ARG2(a,b), fadd ARG2(a,b), fadd ARG2(b,a))
#define FADDP(a, b)	CHOICE(faddp ARG2(a,b), faddp ARG2(a,b), faddp ARG2(b,a))
#define FIADD_L(a)	CHOICE(fiaddl a, fiaddl a, fiaddl a)
#define FIADD_W(a)	CHOICE(fiadd a, fiadds a, fiadds a)
#define FBLD(a)		CHOICE(fbld a, fbld a, fbld a)
#define FBSTP(a)	CHOICE(fbstp a, fbstp a, fbstp a)
#define FCHS		CHOICE(fchs, fchs, fchs)
#define FCLEX		CHOICE(fclex, wait; fnclex, wait; fclex)
#define FNCLEX		CHOICE(fnclex, fnclex, fclex)
#define FCOM(a)		CHOICE(fcom a, fcom a, fcom a)