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/* $Id: assyntax.h,v 1.1 2003-03-13 12:11:48 giacomo Exp $ */

#ifndef __ASSYNTAX_H__
#define __ASSYNTAX_H__

/*
 * Copyright 1992 Vrije Universiteit, The Netherlands
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided
 * that the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of the Vrije Universiteit not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  The Vrije Universiteit makes no
 * representations about the suitability of this software for any purpose.
 * It is provided "as is" without express or implied warranty.
 *
 * The Vrije Universiteit DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
 * IN NO EVENT SHALL The Vrije Universiteit BE LIABLE FOR ANY SPECIAL,
 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */


/*
 * assyntax.h
 *
 * Select the syntax appropriate to the 386 assembler being used
 * To add support for more assemblers add more columns to the CHOICE
 * macro.  Note that register names must also have uppercase names
 * to avoid macro recursion. e.g., #define ah %ah recurses!
 *
 * NB 1.  Some of the macros for certain assemblers imply that the code is to
 *        run in protected mode!!  Caveat emptor.
 *
 * NB 2.  486 specific instructions are not included.  This is to discourage
 *        their accidental use in code that is intended to run on 386 and 486
 *        systems.
 *
 * Supported assemblers:
 *
 * (a) AT&T SysVr4 as(1):       define ATT_ASSEMBLER
 * (b) GNU Assembler gas:       define GNU_ASSEMBLER (default)
 * (c) Amsterdam Compiler kit:  define ACK_ASSEMBLER
 * (d) The Netwide Assembler:   define NASM_ASSEMBLER
 * (e) Microsoft Assembler:     define MASM_ASSEMBLER (UNTESTED!)
 *
 * The following naming conventions have been used to identify the various
 * data types:
 *              _SR = segment register version
 *      Integer:
 *              _Q = quadword   = 64 bits
 *              _L = long       = 32 bits
 *              _W = short      = 16 bits
 *              _B = byte       =  8 bits
 *      Floating-point:
 *              _X = m80real    = 80 bits
 *              _D = double     = 64 bits
 *              _S = single     = 32 bits
 *
 * Author: Gregory J. Sharp, Sept 1992
 *         Vrije Universiteit, Amsterdam, The Netherlands
 *
 *         [support for Intel syntax added by Josh Vanderhoof, 1999]
 */


#if !(defined(NASM_ASSEMBLER) || defined(MASM_ASSEMBLER))

/* Default to ATT_ASSEMBLER when SVR4 or SYSV are defined */
#if (defined(SVR4) || defined(SYSV)) && !defined(GNU_ASSEMBLER)
#define ATT_ASSEMBLER
#endif

#if !defined(ATT_ASSEMBLER) && !defined(GNU_ASSEMBLER) && !defined(ACK_ASSEMBLER)
#define GNU_ASSEMBLER
#endif

#if (defined(__STDC__) && !defined(UNIXCPP)) || (defined (sun) && defined (i386) && defined (SVR4) && defined (__STDC__) && !defined (__GNUC__))
#define CONCAT(x, y)    x ## y
#else
#define CONCAT(x, y)    x/**/y
#endif

#ifdef ACK_ASSEMBLER

/* Assume we write code for 32-bit protected mode! */

/* Redefine register names for GAS & AT&T assemblers */
#define AL              al
#define AH              ah
#define AX              ax
#define EAX             ax
#define BL              bl
#define BH              bh
#define BX              bx
#define EBX             bx
#define CL              cl
#define CH              ch
#define CX              cx
#define ECX             cx
#define DL              dl
#define DH              dh
#define DX              dx
#define EDX             dx
#define BP              bp
#define EBP             bp
#define SI              si
#define ESI             si
#define DI              di
#define EDI             di
#define SP              sp
#define ESP             sp
#define CS              cs
#define SS              ss
#define DS              ds
#define ES              es
#define FS              fs
#define GS              gs
/* Control Registers */
#define CR0             cr0
#define CR1             cr1
#define CR2             cr2
#define CR3             cr3
/* Debug Registers */
#define DR0             dr0
#define DR1             dr1
#define DR2             dr2
#define DR3             dr3
#define DR4             dr4
#define DR5             dr5
#define DR6             dr6
#define DR7             dr7
/* Floating-point Stack */
#define ST              st

#define AS_BEGIN        .sect .text; .sect .rom; .sect .data; .sect .bss; .sect .text


#define _WTOG           o16     /* word toggle for _W instructions */
#define _LTOG                   /* long toggle for _L instructions */
#define ADDR_TOGGLE     a16
#define OPSZ_TOGGLE     o16
#define USE16           .use16
#define USE32           .use32

#define CHOICE(a,b,c)   c

#else /* AT&T or GAS */

/* Redefine register names for GAS & AT&T assemblers */
#define AL              %al
#define AH              %ah
#define AX              %ax
#define EAX             %eax
#define BL              %bl
#define BH              %bh
#define BX              %bx
#define EBX             %ebx
#define CL              %cl
#define CH              %ch
#define CX              %cx
#define ECX             %ecx
#define DL              %dl
#define DH              %dh
#define DX              %dx
#define EDX             %edx
#define BP              %bp
#define EBP             %ebp
#define SI              %si
#define ESI             %esi
#define DI              %di
#define EDI             %edi
#define SP              %sp
#define ESP             %esp
#define CS              %cs
#define SS              %ss
#define DS              %ds
#define ES              %es
#define FS              %fs
#define GS              %gs
/* Control Registers */
#define CR0             %cr0
#define CR1             %cr1
#define CR2             %cr2
#define CR3             %cr3
/* Debug Registers */
#define DR0             %db0
#define DR1             %db1
#define DR2             %db2
#define DR3             %db3
#define DR4             %db4
#define DR5             %db5
#define DR6             %db6
#define DR7             %db7
/* Floating-point Stack */
#define _STX0           %st(0)
#define _STX1           %st(1)
#define _STX2           %st(2)
#define _STX3           %st(3)
#define _STX4           %st(4)
#define _STX5           %st(5)
#define _STX6           %st(6)
#define _STX7           %st(7)
#define ST(x)           CONCAT(_STX,x)
#ifdef GNU_ASSEMBLER
#define ST0             %st(0)
#else
#define ST0             %st
#endif
/* MMX Registers */
#define MM0             %mm0
#define MM1             %mm1
#define MM2             %mm2
#define MM3             %mm3
#define MM4             %mm4
#define MM5             %mm5
#define MM6             %mm6
#define MM7             %mm7
/* SSE Registers */
#define XMM0            %xmm0
#define XMM1            %xmm1
#define XMM2            %xmm2
#define XMM3            %xmm3
#define XMM4            %xmm4
#define XMM5            %xmm5
#define XMM6            %xmm6
#define XMM7            %xmm7

#define AS_BEGIN
#define USE16
#define USE32

#ifdef GNU_ASSEMBLER

#define ADDR_TOGGLE     aword
#define OPSZ_TOGGLE     word

#define CHOICE(a,b,c)   b

#else
/*
 * AT&T ASSEMBLER SYNTAX
 * *********************
 */

#define CHOICE(a,b,c)   a

#define ADDR_TOGGLE     addr16
#define OPSZ_TOGGLE     data16

#endif /* GNU_ASSEMBLER */
#endif /* ACK_ASSEMBLER */


#if defined(__QNX__) || defined(Lynx) || (defined(SYSV) || defined(SVR4)) && !defined(ACK_ASSEMBLER) || defined(__ELF__) || defined(__GNU__) || defined(__GNUC__) && !defined(DJGPP)
#define GLNAME(a)       a
#else
#define GLNAME(a)       CONCAT(_,a)
#endif


        /****************************************/
        /*                                      */
        /*      Select the various choices      */
        /*                                      */
        /****************************************/


/* Redefine assembler directives */
/*********************************/
#define GLOBL           CHOICE(.globl, .globl, .extern)
#define GLOBAL          GLOBL
#define EXTERN          GLOBL
/*
#define ALIGNTEXT32     CHOICE(.align 32, .align ARG2(5,0x90), .align 32)
*/

#define ALIGNTEXT32     CHOICE(.align 32, .balign 32, .align 32)
#define ALIGNTEXT16     CHOICE(.align 16, .balign 16, .align 16)
#define ALIGNTEXT8      CHOICE(.align 8, .balign 8, .align 8)
#define ALIGNTEXT4      CHOICE(.align 4, .balign 4, .align 4)
#define ALIGNTEXT2      CHOICE(.align 2, .balign 2, .align 2)
/* ALIGNTEXT4ifNOP is the same as ALIGNTEXT4, but only if the space is
 * guaranteed to be filled with NOPs.  Otherwise it does nothing.
 */

#define ALIGNTEXT32ifNOP        CHOICE(.align 32, .balign ARG2(32,0x90), /*can't do it*/)
#define ALIGNTEXT16ifNOP        CHOICE(.align 16, .balign ARG2(16,0x90), /*can't do it*/)
#define ALIGNTEXT8ifNOP CHOICE(.align 8, .balign ARG2(8,0x90), /*can't do it*/)
#define ALIGNTEXT4ifNOP CHOICE(.align 4, .balign ARG2(4,0x90), /*can't do it*/)
#define ALIGNDATA32     CHOICE(.align 32, .balign ARG2(32,0x0), .align 32)
#define ALIGNDATA16     CHOICE(.align 16, .balign ARG2(16,0x0), .align 16)
#define ALIGNDATA8      CHOICE(.align 8, .balign ARG2(8,0x0), .align 8)
#define ALIGNDATA4      CHOICE(.align 4, .balign ARG2(4,0x0), .align 4)
#define ALIGNDATA2      CHOICE(.align 2, .balign ARG2(2,0x0), .align 2)
#define FILE(s)         CHOICE(.file s, .file s, .file s)
#define STRING(s)       CHOICE(.string s, .asciz s, .asciz s)
#define D_LONG          CHOICE(.long, .long, .data4)
#define D_WORD          CHOICE(.value, .short, .data2)
#define D_BYTE          CHOICE(.byte, .byte, .data1)
#define SPACE           CHOICE(.comm, .space, .space)
#define COMM            CHOICE(.comm, .comm, .comm)
#define SEG_DATA        CHOICE(.data, .data, .sect .data)
#define SEG_TEXT        CHOICE(.text, .text, .sect .text)
#define SEG_BSS         CHOICE(.bss, .bss, .sect .bss)

#ifdef GNU_ASSEMBLER
#define D_SPACE(n)      . = . + n
#else
#define D_SPACE(n)      .space n
#endif

/* Addressing Modes */
/* Immediate Mode */
#define ADDR(a)         CHOICE(CONCAT($,a), CONCAT($,a), a)
#define CONST(a)        CHOICE(CONCAT($,a), CONCAT($,a), a)

/* Indirect Mode */
#define CONTENT(a)      CHOICE(a, a, (a))        /* take contents of variable */
#define REGIND(a)       CHOICE((a), (a), (a))    /* Register a indirect */
/* Register b indirect plus displacement a */
#define REGOFF(a, b)    CHOICE(a(b), a(b), a(b))
/* Reg indirect Base + Index + Displacement  - this is mainly for 16-bit mode
 * which has no scaling
 */

#define REGBID(b,i,d)   CHOICE(d(b,i), d(b,i), d(b)(i))
/* Reg indirect Base + (Index * Scale) */
#define REGBIS(b,i,s)   CHOICE((b,i,s), (b,i,s), (b)(i*s))
/* Reg indirect Base + (Index * Scale) + Displacement */
#define REGBISD(b,i,s,d) CHOICE(d(b,i,s), d(b,i,s), d(b)(i*s))
/* Displaced Scaled Index: */
#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)
#define FCOM_D(a)       CHOICE(fcoml a, fcoml a, fcomd a)
#define FCOM_S(a)       CHOICE(fcoms a, fcoms a, fcoms a)
#define FCOMP(a)        CHOICE(fcomp a, fcomp a, fcomp a)
#define FCOMP_D(a)      CHOICE(fcompl a, fcompl a, fcompd a)
#define FCOMP_S(a)      CHOICE(fcomps a, fcomps a, fcomps a)
#define FCOMPP          CHOICE(fcompp, fcompp, fcompp)
#define FCOS            CHOICE(fcos, fcos, fcos)
#define FDECSTP         CHOICE(fdecstp, fdecstp, fdecstp)
#define FDIV_D(a)       CHOICE(fdivl a, fdivl a, fdivd a)
#define FDIV_S(a)       CHOICE(fdivs a, fdivs a, fdivs a)
#define FDIV2(a, b)     CHOICE(fdiv ARG2(a,b), fdiv ARG2(a,b), fdiv ARG2(b,a))
#define FDIVP(a, b)     CHOICE(fdivp ARG2(a,b), fdivp ARG2(a,b), fdivp ARG2(b,a))
#define FIDIV_L(a)      CHOICE(fidivl a, fidivl a, fidivl a)
#define FIDIV_W(a)      CHOICE(fidiv a, fidivs a, fidivs a)
#define FDIVR_D(a)      CHOICE(fdivrl a, fdivrl a, fdivrd a)
#define FDIVR_S(a)      CHOICE(fdivrs a, fdivrs a, fdivrs a)
#define FDIVR2(a, b)    CHOICE(fdivr ARG2(a,b), fdivr ARG2(a,b), fdivr ARG2(b,a))
#define FDIVRP(a, b)    CHOICE(fdivrp ARG2(a,b), fdivrp ARG2(a,b), fdivrp ARG2(b,a))
#define FIDIVR_L(a)     CHOICE(fidivrl a, fidivrl a, fidivrl a)
#define FIDIVR_W(a)     CHOICE(fidivr a, fidivrs a, fidivrs a)
#define FFREE(a)        CHOICE(ffree a, ffree a, ffree a)
#define FICOM_L(a)      CHOICE(ficoml a, ficoml a, ficoml a)
#define FICOM_W(a)      CHOICE(ficom a, ficoms a, ficoms a)
#define FICOMP_L(a)     CHOICE(ficompl a, ficompl a, ficompl a)
#define FICOMP_W(a)     CHOICE(ficomp a, ficomps a, ficomps a)
#define FILD_Q(a)       CHOICE(fildll a, fildq a, fildq a)
#define FILD_L(a)       CHOICE(fildl a, fildl a, fildl a)
#define FILD_W(a)       CHOICE(fild a, filds a, filds a)
#define FINCSTP         CHOICE(fincstp, fincstp, fincstp)
#define FINIT           CHOICE(finit, wait; fninit, wait; finit)
#define FNINIT          CHOICE(fninit, fninit, finit)
#define FIST_L(a)       CHOICE(fistl a, fistl a, fistl a)
#define FIST_W(a)       CHOICE(fist a, fists a, fists a)
#define FISTP_Q(a)      CHOICE(fistpll a, fistpq a, fistpq a)
#define FISTP_L(a)      CHOICE(fistpl a, fistpl a, fistpl a)
#define FISTP_W(a)      CHOICE(fistp a, fistps a, fistps a)
#define FLD_X(a)        CHOICE(fldt a, fldt a, fldx a) /* 80 bit data type! */
#define FLD_D(a)        CHOICE(fldl a, fldl a, fldd a)
#define FLD_S(a)        CHOICE(flds a, flds a, flds a)
#define FLD1            CHOICE(fld1, fld1, fld1)
#define FLDL2T          CHOICE(fldl2t, fldl2t, fldl2t)
#define FLDL2E          CHOICE(fldl2e, fldl2e, fldl2e)
#define FLDPI           CHOICE(fldpi, fldpi, fldpi)
#define FLDLG2          CHOICE(fldlg2, fldlg2, fldlg2)
#define FLDLN2          CHOICE(fldln2, fldln2, fldln2)
#define FLDZ            CHOICE(fldz, fldz, fldz)
#define FLDCW(a)        CHOICE(fldcw a, fldcw a, fldcw a)
#define FLDENV(a)       CHOICE(fldenv a, fldenv a, fldenv a)
#define FMUL_S(a)       CHOICE(fmuls a, fmuls a, fmuls a)
#define FMUL_D(a)       CHOICE(fmull a, fmull a, fmuld a)
#define FMUL2(a, b)     CHOICE(fmul ARG2(a,b), fmul ARG2(a,b), fmul ARG2(b,a))
#define FMULP(a, b)     CHOICE(fmulp ARG2(a,b), fmulp ARG2(a,b), fmulp ARG2(b,a))
#define FIMUL_L(a)      CHOICE(fimull a, fimull a, fimull a)
#define FIMUL_W(a)      CHOICE(fimul a, fimuls a, fimuls a)
#define FNOP            CHOICE(fnop, fnop, fnop)
#define FPATAN          CHOICE(fpatan, fpatan, fpatan)
#define FPREM           CHOICE(fprem, fprem, fprem)
#define FPREM1          CHOICE(fprem1, fprem1, fprem1)
#define FPTAN           CHOICE(fptan, fptan, fptan)
#define FRNDINT         CHOICE(frndint, frndint, frndint)
#define FRSTOR(a)       CHOICE(frstor a, frstor a, frstor a)
#define FSAVE(a)        CHOICE(fsave a, wait; fnsave a, wait; fsave a)
#define FNSAVE(a)       CHOICE(fnsave a, fnsave a, fsave a)
#define FSCALE          CHOICE(fscale, fscale, fscale)
#define FSIN            CHOICE(fsin, fsin, fsin)
#define FSINCOS         CHOICE(fsincos, fsincos, fsincos)
#define FSQRT           CHOICE(fsqrt, fsqrt, fsqrt)
#define FST_D(a)        CHOICE(fstl a, fstl a, fstd a)
#define FST_S(a)        CHOICE(fsts a, fsts a, fsts a)
#define FSTP_X(a)       CHOICE(fstpt a, fstpt a, fstpx a)
#define FSTP_D(a)       CHOICE(fstpl a, fstpl a, fstpd a)
#define FSTP_S(a)       CHOICE(fstps a, fstps a, fstps a)
#define FSTP(a)         CHOICE(fstp a, fstp a, fstp a)
#define FSTCW(a)        CHOICE(fstcw a, wait; fnstcw a, wait; fstcw a)
#define FNSTCW(a)       CHOICE(fnstcw a, fnstcw a, fstcw a)
#define FSTENV(a)       CHOICE(fstenv a, wait; fnstenv a, fstenv a)
#define FNSTENV(a)      CHOICE(fnstenv a, fnstenv a, fstenv a)
#define FSTSW(a)        CHOICE(fstsw a, wait; fnstsw a, wait; fstsw a)
#define FNSTSW(a)       CHOICE(fnstsw a, fnstsw a, fstsw a)
#define FSUB_S(a)       CHOICE(fsubs a, fsubs a, fsubs a)
#define FSUB_D(a)       CHOICE(fsubl a, fsubl a, fsubd a)
#define FSUB2(a, b)     CHOICE(fsub ARG2(a,b), fsub ARG2(a,b), fsub ARG2(b,a))
#define FSUBP(a, b)     CHOICE(fsubp ARG2(a,b), fsubp ARG2(a,b), fsubp ARG2(b,a))
#define FISUB_L(a)      CHOICE(fisubl a, fisubl a, fisubl a)
#define FISUB_W(a)      CHOICE(fisub a, fisubs a, fisubs a)
#define FSUBR_S(a)      CHOICE(fsubrs a, fsubrs a, fsubrs a)
#define FSUBR_D(a)      CHOICE(fsubrl a, fsubrl a, fsubrd a)
#define FSUBR2(a, b)    CHOICE(fsubr ARG2(a,b), fsubr ARG2(a,b), fsubr ARG2(b,a))
#define FSUBRP(a, b)    CHOICE(fsubrp ARG2(a,b), fsubrp ARG2(a,b), fsubrp ARG2(b,a))
#define FISUBR_L(a)     CHOICE(fisubrl a, fisubrl a, fisubrl a)
#define FISUBR_W(a)     CHOICE(fisubr a, fisubrs a, fisubrs a)
#define FTST            CHOICE(ftst, ftst, ftst)
#define FUCOM(a)        CHOICE(fucom a, fucom a, fucom a)
#define FUCOMP(a)       CHOICE(fucomp a, fucomp a, fucomp a)
#define FUCOMPP         CHOICE(fucompp, fucompp, fucompp)
#define FWAIT           CHOICE(wait, wait, wait)
#define FXAM            CHOICE(fxam, fxam, fxam)
#define FXCH(a)         CHOICE(fxch a, fxch a, fxch a)
#define FXTRACT         CHOICE(fxtract, fxtract, fxtract)
#define FYL2X           CHOICE(fyl2x, fyl2x, fyl2x)
#define FYL2XP1         CHOICE(fyl2xp1, fyl2xp1, fyl2xp1)

/* New instructions */
#define CPUID           CHOICE(D_BYTE ARG2(15, 162), cpuid, D_BYTE ARG2(15, 162))
#define RDTSC           CHOICE(D_BYTE ARG2(15, 49), rdtsc, D_BYTE ARG2(15, 49))

#else /* NASM_ASSEMBLER || MASM_ASSEMBLER is defined */

        /****************************************/
        /*                                      */
        /*      Intel style assemblers.         */
        /*      (NASM and MASM)                 */
        /*                                      */
        /****************************************/

#define P_EAX           EAX
#define L_EAX           EAX
#define W_AX            AX
#define B_AH            AH
#define B_AL            AL

#define P_EBX           EBX
#define L_EBX           EBX
#define W_BX            BX
#define B_BH            BH
#define B_BL            BL

#define P_ECX           ECX
#define L_ECX           ECX
#define W_CX            CX
#define B_CH            CH
#define B_CL            CL

#define P_EDX           EDX
#define L_EDX           EDX
#define W_DX            DX
#define B_DH            DH
#define B_DL            DL

#define P_EBP           EBP
#define L_EBP           EBP
#define W_BP            BP

#define P_ESI           ESI
#define L_ESI           ESI
#define W_SI            SI

#define P_EDI           EDI
#define L_EDI           EDI
#define W_DI            DI

#define P_ESP           ESP
#define L_ESP           ESP
#define W_SP            SP

#define W_CS            CS
#define W_SS            SS
#define W_DS            DS
#define W_ES            ES
#define W_FS            FS
#define W_GS            GS

#define X_ST            ST
#define D_ST            ST
#define L_ST            ST

#define P_MM0           mm0
#define P_MM1           mm1
#define P_MM2           mm2
#define P_MM3           mm3
#define P_MM4           mm4
#define P_MM5           mm5
#define P_MM6           mm6
#define P_MM7           mm7

#define P_XMM0          xmm0
#define P_XMM1          xmm1
#define P_XMM2          xmm2
#define P_XMM3          xmm3
#define P_XMM4          xmm4
#define P_XMM5          xmm5
#define P_XMM6          xmm6
#define P_XMM7          xmm7

#define CONCAT(x, y)    x ## y

#if defined(NASM_ASSEMBLER)

#define ST(n)           st ## n
#define ST0             st0

#define TBYTE_PTR       tword
#define QWORD_PTR       qword
#define DWORD_PTR       dword
#define WORD_PTR        word
#define BYTE_PTR        byte

#define OFFSET

#define GLOBL                   GLOBAL
#define ALIGNTEXT32             ALIGN 32
#define ALIGNTEXT16             ALIGN 16
#define ALIGNTEXT8              ALIGN 8
#define ALIGNTEXT4              ALIGN 4
#define ALIGNTEXT2              ALIGN 2
#define ALIGNTEXT32ifNOP        ALIGN 32
#define ALIGNTEXT16ifNOP        ALIGN 16
#define ALIGNTEXT8ifNOP         ALIGN 8
#define ALIGNTEXT4ifNOP         ALIGN 4
#define ALIGNDATA32             ALIGN 32
#define ALIGNDATA16             ALIGN 16
#define ALIGNDATA8              ALIGN 8
#define ALIGNDATA4              ALIGN 4
#define ALIGNDATA2              ALIGN 2
#define FILE(s)
#define STRING(s)       db s
#define D_LONG          dd
#define D_WORD          dw
#define D_BYTE          db
/* #define SPACE */
/* #define COMM */
#if defined(__WATCOMC__)
SECTION _TEXT public align=16 class=CODE use32 flat
SECTION _DATA public align=16 class=DATA use32 flat
#define SEG_TEXT        SECTION _TEXT
#define SEG_DATA        SECTION _DATA
#define SEG_BSS         SECTION .bss
#else
#define SEG_DATA        SECTION .data
#define SEG_TEXT        SECTION .text
#define SEG_BSS         SECTION .bss
#endif

#define D_SPACE(n)      db n REP 0

#define AS_BEGIN

/* Jcc's should be handled better than this... */
#define NEAR            near

#else /* MASM */

#define TBYTE_PTR       tbyte ptr
#define QWORD_PTR       qword ptr
#define DWORD_PTR       dword ptr
#define WORD_PTR        word ptr
#define BYTE_PTR        byte ptr

#define OFFSET          offset

#define GLOBL                   GLOBAL
#define ALIGNTEXT32             ALIGN 32
#define ALIGNTEXT16             ALIGN 16
#define ALIGNTEXT8              ALIGN 8
#define ALIGNTEXT4              ALIGN 4
#define ALIGNTEXT2              ALIGN 2
#define ALIGNTEXT32ifNOP        ALIGN 32
#define ALIGNTEXT16ifNOP        ALIGN 16
#define ALIGNTEXT8ifNOP         ALIGN 8
#define ALIGNTEXT4ifNOP         ALIGN 4
#define ALIGNDATA32             ALIGN 32
#define ALIGNDATA16             ALIGN 16
#define ALIGNDATA8              ALIGN 8
#define ALIGNDATA4              ALIGN 4
#define ALIGNDATA2              ALIGN 2
#define FILE(s)
#define STRING(s)       db s
#define D_LONG          dd
#define D_WORD          dw
#define D_BYTE          db
/* #define SPACE */
/* #define COMM */
#define SEG_DATA        .DATA
#define SEG_TEXT        .CODE
#define SEG_BSS         .DATA

#define D_SPACE(n)      db n REP 0

#define AS_BEGIN

#define NEAR

#endif

#if defined(Lynx) || (defined(SYSV) || defined(SVR4)) \
 || (defined(__linux__) || defined(__OS2ELF__)) && defined(__ELF__) \
 || defined(__FreeBSD__) && __FreeBSD__ >= 3

#define GLNAME(a)       a
#else
#define GLNAME(a)       CONCAT(_, a)
#endif

/*
 *      Addressing Modes
 */


/* Immediate Mode */
#define P_ADDR(a)               OFFSET a
#define X_ADDR(a)               OFFSET a
#define D_ADDR(a)               OFFSET a
#define L_ADDR(a)               OFFSET a
#define W_ADDR(a)               OFFSET a
#define B_ADDR(a)               OFFSET a

#define P_CONST(a)              a
#define X_CONST(a)              a
#define D_CONST(a)              a
#define L_CONST(a)              a
#define W_CONST(a)              a
#define B_CONST(a)              a

/* Indirect Mode */
#ifdef NASM_ASSEMBLER
#define P_CONTENT(a)            [a]
#define X_CONTENT(a)            TBYTE_PTR [a]
#define D_CONTENT(a)            QWORD_PTR [a]
#define L_CONTENT(a)            DWORD_PTR [a]
#define W_CONTENT(a)            WORD_PTR [a]
#define B_CONTENT(a)            BYTE_PTR [a]
#else
#define P_CONTENT(a)            a
#define X_CONTENT(a)            TBYTE_PTR a
#define D_CONTENT(a)            QWORD_PTR a
#define L_CONTENT(a)            DWORD_PTR a
#define W_CONTENT(a)            WORD_PTR a
#define B_CONTENT(a)            BYTE_PTR a
#endif

/* Register a indirect */
#define P_REGIND(a)             [a]
#define X_REGIND(a)             TBYTE_PTR [a]
#define D_REGIND(a)             QWORD_PTR [a]
#define L_REGIND(a)             DWORD_PTR [a]
#define W_REGIND(a)             WORD_PTR [a]
#define B_REGIND(a)             BYTE_PTR [a]

/* Register b indirect plus displacement a */
#define P_REGOFF(a, b)          [b + a]
#define X_REGOFF(a, b)          TBYTE_PTR [b + a]
#define D_REGOFF(a, b)          QWORD_PTR [b + a]
#define L_REGOFF(a, b)          DWORD_PTR [b + a]
#define W_REGOFF(a, b)          WORD_PTR [b + a]
#define B_REGOFF(a, b)          BYTE_PTR [b + a]

/* Reg indirect Base + Index + Displacement  - this is mainly for 16-bit mode
 * which has no scaling
 */

#define P_REGBID(b, i, d)       [b + i + d]
#define X_REGBID(b, i, d)       TBYTE_PTR [b + i + d]
#define D_REGBID(b, i, d)       QWORD_PTR [b + i + d]
#define L_REGBID(b, i, d)       DWORD_PTR [b + i + d]
#define W_REGBID(b, i, d)       WORD_PTR [b + i + d]
#define B_REGBID(b, i, d)       BYTE_PTR [b + i + d]

/* Reg indirect Base + (Index * Scale) */
#define P_REGBIS(b, i, s)       [b + i * s]
#define X_REGBIS(b, i, s)       TBYTE_PTR [b + i * s]
#define D_REGBIS(b, i, s)       QWORD_PTR [b + i * s]
#define L_REGBIS(b, i, s)       DWORD_PTR [b + i * s]
#define W_REGBIS(b, i, s)       WORD_PTR [b + i * s]
#define B_REGBIS(b, i, s)       BYTE_PTR [b + i * s]

/* Reg indirect Base + (Index * Scale) + Displacement */
#define P_REGBISD(b, i, s, d)   [b + i * s + d]
#define X_REGBISD(b, i, s, d)   TBYTE_PTR [b + i * s + d]
#define D_REGBISD(b, i, s, d)   QWORD_PTR [b + i * s + d]
#define L_REGBISD(b, i, s, d)   DWORD_PTR [b + i * s + d]
#define W_REGBISD(b, i, s, d)   WORD_PTR [b + i * s + d]
#define B_REGBISD(b, i, s, d)   BYTE_PTR [b + i * s + d]

/* Displaced Scaled Index: */
#define P_REGDIS(d, i, s)       [i * s + d]
#define X_REGDIS(d, i, s)       TBYTE_PTR [i * s + d]
#define D_REGDIS(d, i, s)       QWORD_PTR [i * s + d]
#define L_REGDIS(d, i, s)       DWORD_PTR [i * s + d]
#define W_REGDIS(d, i, s)       WORD_PTR [i * s + d]
#define B_REGDIS(d, i, s)       BYTE_PTR [i * s + d]

/* Indexed Base: */
#define P_REGBI(b, i)           [b + i]
#define X_REGBI(b, i)           TBYTE_PTR [b + i]
#define D_REGBI(b, i)           QWORD_PTR [b + i]
#define L_REGBI(b, i)           DWORD_PTR [b + i]
#define W_REGBI(b, i)           WORD_PTR [b + i]
#define B_REGBI(b, i)           BYTE_PTR [b + i]

/* Displaced Base: */
#define P_REGDB(d, b)           [b + d]
#define X_REGDB(d, b)           TBYTE_PTR [b + d]
#define D_REGDB(d, b)           QWORD_PTR [b + d]
#define L_REGDB(d, b)           DWORD_PTR [b + d]
#define W_REGDB(d, b)           WORD_PTR [b + d]
#define B_REGDB(d, b)           BYTE_PTR [b + d]

/* Variable indirect: */
#define VARINDIRECT(var)        var

/* Use register contents as jump/call target: */
#define CODEPTR(reg)            P_(reg)

/*
 * Redefine assembler commands
 */


#define P_(a)                   P_ ## a
#define X_(a)                   X_ ## a
#define D_(a)                   D_ ## a
#define S_(a)                   L_ ## a
#define L_(a)                   L_ ## a
#define W_(a)                   W_ ## a
#define B_(a)                   B_ ## a

#define AAA                     aaa
#define AAD                     aad
#define AAM                     aam
#define AAS                     aas
#define ADC_L(a, b)             adc L_(b), L_(a)
#define ADC_W(a, b)             adc W_(b), W_(a)
#define ADC_B(a, b)             adc B_(b), B_(a)
#define ADD_L(a, b)             add L_(b), L_(a)
#define ADD_W(a, b)             add W_(b), W_(a)
#define ADD_B(a, b)             add B_(b), B_(a)
#define AND_L(a, b)             and L_(b), L_(a)
#define AND_W(a, b)             and W_(b), W_(a)
#define AND_B(a, b)             and B_(b), B_(a)
#define ARPL(a,b)               arpl W_(b), a
#define BOUND_L(a, b)           bound L_(b), L_(a)
#define BOUND_W(a, b)           bound W_(b), W_(a)
#define BSF_L(a, b)             bsf L_(b), L_(a)
#define BSF_W(a, b)             bsf W_(b), W_(a)
#define BSR_L(a, b)             bsr L_(b), L_(a)
#define BSR_W(a, b)             bsr W_(b), W_(a)
#define BT_L(a, b)              bt L_(b), L_(a)
#define BT_W(a, b)              bt W_(b), W_(a)
#define BTC_L(a, b)             btc L_(b), L_(a)
#define BTC_W(a, b)             btc W_(b), W_(a)
#define BTR_L(a, b)             btr L_(b), L_(a)
#define BTR_W(a, b)             btr W_(b), W_(a)
#define BTS_L(a, b)             bts L_(b), L_(a)
#define BTS_W(a, b)             bts W_(b), W_(a)
#define CALL(a)                 call a
#define CALLF(s,a)              call far s:a
#define CBW                     cbw
#define CWDE                    cwde
#define CLC                     clc
#define CLD                     cld
#define CLI                     cli
#define CLTS                    clts
#define CMC                     cmc
#define CMP_L(a, b)             cmp L_(b), L_(a)
#define CMP_W(a, b)             cmp W_(b), W_(a)
#define CMP_B(a, b)             cmp B_(b), B_(a)
#define CMPS_L                  cmpsd
#define CMPS_W                  cmpsw
#define CMPS_B                  cmpsb
#define CPUID                   cpuid
#define CWD                     cwd
#define CDQ                     cdq
#define DAA                     daa
#define DAS                     das
#define DEC_L(a)                dec L_(a)
#define DEC_W(a)                dec W_(a)
#define DEC_B(a)                dec B_(a)
#define DIV_L(a)                div L_(a)
#define DIV_W(a)                div W_(a)
#define DIV_B(a)                div B_(a)
#define ENTER(a,b)              enter b, a
#define HLT                     hlt
#define IDIV_L(a)               idiv L_(a)
#define IDIV_W(a)               idiv W_(a)
#define IDIV_B(a)               idiv B_(a)
#define IMUL_L(a, b)            imul L_(b), L_(a)
#define IMUL_W(a, b)            imul W_(b), W_(a)
#define IMUL_B(a)               imul B_(a)
#define IN_L                    in EAX, DX
#define IN_W                    in AX, DX
#define IN_B                    in AL, DX
#define IN1_L(a)                in1 L_(a)
#define IN1_W(a)                in1 W_(a)
#define IN1_B(a)                in1 B_(a)
#define INC_L(a)                inc L_(a)
#define INC_W(a)                inc W_(a)
#define INC_B(a)                inc B_(a)
#define INS_L                   ins
#define INS_W                   ins
#define INS_B                   ins
#define INT(a)                  int B_(a)
#define INT3                    int3
#define INTO                    into
#define IRET                    iret
#define IRETD                   iretd
#define JA(a)                   ja NEAR a
#define JAE(a)                  jae NEAR a
#define JB(a)                   jb NEAR a
#define JBE(a)                  jbe NEAR a
#define JC(a)                   jc NEAR a
#define JE(a)                   je NEAR a
#define JG(a)                   jg NEAR a
#define JGE(a)                  jge NEAR a
#define JL(a)                   jl NEAR a
#define JLE(a)                  jle NEAR a
#define JNA(a)                  jna NEAR a
#define JNAE(a)                 jnae NEAR a
#define JNB(a)                  jnb NEAR a
#define JNBE(a)                 jnbe NEAR a
#define JNC(a)                  jnc NEAR a
#define JNE(a)                  jne NEAR a
#define JNG(a)                  jng NEAR a
#define JNGE(a)                 jnge NEAR a
#define JNL(a)                  jnl NEAR a
#define JNLE(a)                 jnle NEAR a
#define JNO(a)                  jno NEAR a
#define JNP(a)                  jnp NEAR a
#define JNS(a)                  jns NEAR a
#define JNZ(a)                  jnz NEAR a
#define JO(a)                   jo NEAR a
#define JP(a)                   jp NEAR a
#define JPE(a)                  jpe NEAR a
#define JPO(a)                  jpo NEAR a
#define JS(a)                   js NEAR a
#define JZ(a)                   jz NEAR a
#define JMP(a)                  jmp a
#define JMPF(s,a)               jmp far s:a
#define LAHF                    lahf
#define LAR(a, b)               lar b, a
#define LEA_L(a, b)             lea P_(b), P_(a)
#define LEA_W(a, b)             lea P_(b), P_(a)
#define LEAVE                   leave
#define LGDT(a)                 lgdt a
#define LIDT(a)                 lidt a
#define LDS(a, b)               lds b, a
#define LES(a, b)               les b, a
#define LFS(a, b)               lfs b, a
#define LGS(a, b)               lgs b, a
#define LSS(a, b)               lss b, a
#define LLDT(a)                 lldt a
#define LMSW(a)                 lmsw a
#define LOCK                    lock
#define LODS_L                  lodsd
#define LODS_W                  lodsw
#define LODS_B                  lodsb
#define LOOP(a)                 loop a
#define LOOPE(a)                loope a
#define LOOPZ(a)                loopz a
#define LOOPNE(a)               loopne a
#define LOOPNZ(a)               loopnz a
#define LSL(a, b)               lsl b, a
#define LTR(a)                  ltr a
#define MOV_SR(a, b)            mov S_(b), S_(a)
#define MOV_L(a, b)             mov L_(b), L_(a)
#define MOV_W(a, b)             mov W_(b), W_(a)
#define MOV_B(a, b)             mov B_(b), B_(a)
#define MOVS_L                  movsd
#define MOVS_W                  movsw
#define MOVS_B                  movsb
#define MOVSX_BL(a, b)          movsx B_(b), B_(a)
#define MOVSX_BW(a, b)          movsx B_(b), B_(a)
#define MOVSX_WL(a, b)          movsx W_(b), W_(a)
#define MOVZX_BL(a, b)          movzx B_(b), B_(a)
#define MOVZX_BW(a, b)          movzx B_(b), B_(a)
#define MOVZX_WL(a, b)          movzx W_(b), W_(a)
#define MUL_L(a)                mul L_(a)
#define MUL_W(a)                mul W_(a)
#define MUL_B(a)                mul B_(a)
#define NEG_L(a)                neg L_(a)
#define NEG_W(a)                neg W_(a)
#define NEG_B(a)                neg B_(a)
#define NOP                     nop
#define NOT_L(a)                not L_(a)
#define NOT_W(a)                not W_(a)
#define NOT_B(a)                not B_(a)
#define OR_L(a,b)               or L_(b), L_(a)
#define OR_W(a,b)               or W_(b), W_(a)
#define OR_B(a,b)               or B_(b), B_(a)
#define OUT_L                   out DX, EAX
#define OUT_W                   out DX, AX
#define OUT_B                   out DX, AL
#define OUT1_L(a)               out1 L_(a)
#define OUT1_W(a)               out1 W_(a)
#define OUT1_B(a)               out1 B_(a)
#define OUTS_L                  outsd
#define OUTS_W                  outsw
#define OUTS_B                  outsb
#define POP_SR(a)               pop S_(a)
#define POP_L(a)                pop L_(a)
#define POP_W(a)                pop W_(a)
#define POPA_L                  popad
#define POPA_W                  popa
#define POPF_L                  popfd
#define POPF_W                  popf
#define PUSH_SR(a)              push S_(a)
#define PUSH_L(a)               push L_(a)
#define PUSH_W(a)               push W_(a)
#define PUSH_B(a)               push B_(a)
#define PUSHA_L                 pushad
#define PUSHA_W                 pusha
#define PUSHF_L                 pushfd
#define PUSHF_W                 pushf
#define RCL_L(a, b)             rcl L_(b), L_(a)
#define RCL_W(a, b)             rcl W_(b), W_(a)
#define RCL_B(a, b)             rcl B_(b), B_(a)
#define RCR_L(a, b)             rcr L_(b), L_(a)
#define RCR_W(a, b)             rcr W_(b), W_(a)
#define RCR_B(a, b)             rcr B_(b), B_(a)
#define RDTSC                   rdtsc
#define ROL_L(a, b)             rol L_(b), L_(a)
#define ROL_W(a, b)             rol W_(b), W_(a)
#define ROL_B(a, b)             rol B_(b), B_(a)
#define ROR_L(a, b)             ror L_(b), L_(a)
#define ROR_W(a, b)             ror W_(b), W_(a)
#define ROR_B(a, b)             ror B_(b), B_(a)
#define REP                     rep
#define REPE                    repe
#define REPNE                   repne
#define REPNZ                   REPNE
#define REPZ                    REPE
#define RET                     ret
#define SAHF                    sahf
#define SAL_L(a, b)             sal L_(b), L_(a)
#define SAL_W(a, b)             sal W_(b), W_(a)
#define SAL_B(a, b)             sal B_(b), B_(a)
#define SAR_L(a, b)             sar L_(b), L_(a)
#define SAR_W(a, b)             sar W_(b), W_(a)
#define SAR_B(a, b)             sar B_(b), B_(a)
#define SBB_L(a, b)             sbb L_(b), L_(a)
#define SBB_W(a, b)             sbb W_(b), W_(a)
#define SBB_B(a, b)             sbb B_(b), B_(a)
#define SCAS_L                  scas
#define SCAS_W                  scas
#define SCAS_B                  scas
#define SETA(a)                 seta a
#define SETAE(a)                setae a
#define SETB(a)                 setb a
#define SETBE(a)                setbe a
#define SETC(a)                 setc a
#define SETE(a)                 sete a
#define SETG(a)                 setg a
#define SETGE(a)                setge a
#define SETL(a)                 setl a
#define SETLE(a)                setle a
#define SETNA(a)                setna a
#define SETNAE(a)               setnae a
#define SETNB(a)                setnb a
#define SETNBE(a)               setnbe a
#define SETNC(a)                setnc a
#define SETNE(a)                setne a
#define SETNG(a)                setng a
#define SETNGE(a)               setnge a
#define SETNL(a)                setnl a
#define SETNLE(a)               setnle a
#define SETNO(a)                setno a
#define SETNP(a)                setnp a
#define SETNS(a)                setns a
#define SETNZ(a)                setnz a
#define SETO(a)                 seto a
#define SETP(a)                 setp a
#define SETPE(a)                setpe a
#define SETPO(a)                setpo a
#define SETS(a)                 sets a
#define SETZ(a)                 setz a
#define SGDT(a)                 sgdt a
#define SIDT(a)                 sidt a
#define SHL_L(a, b)             shl L_(b), L_(a)
#define SHL_W(a, b)             shl W_(b), W_(a)
#define SHL_B(a, b)             shl B_(b), B_(a)
#define SHLD_L(a,b,c)           shld
#define SHLD2_L(a,b)            shld L_(b), L_(a)
#define SHLD_W(a,b,c)           shld
#define SHLD2_W(a,b)            shld W_(b), W_(a)
#define SHR_L(a, b)             shr L_(b), L_(a)
#define SHR_W(a, b)             shr W_(b), W_(a)
#define SHR_B(a, b)             shr B_(b), B_(a)
#define SHRD_L(a,b,c)           shrd
#define SHRD2_L(a,b)            shrd L_(b), L_(a)
#define SHRD_W(a,b,c)           shrd
#define SHRD2_W(a,b)            shrd W_(b), W_(a)
#define SLDT(a)                 sldt a
#define SMSW(a)                 smsw a
#define STC                     stc
#define STD                     std
#define STI                     sti
#define STOS_L                  stos
#define STOS_W                  stos
#define STOS_B                  stos
#define STR(a)                  str a
#define SUB_L(a, b)             sub L_(b), L_(a)
#define SUB_W(a, b)             sub W_(b), W_(a)
#define SUB_B(a, b)             sub B_(b), B_(a)
#define TEST_L(a, b)            test L_(b), L_(a)
#define TEST_W(a, b)            test W_(b), W_(a)
#define TEST_B(a, b)            test B_(b), B_(a)
#define VERR(a)                 verr a
#define VERW(a)                 verw a
#define WAIT                    wait
#define XCHG_L(a, b)            xchg L_(b), L_(a)
#define XCHG_W(a, b)            xchg W_(b), W_(a)
#define XCHG_B(a, b)            xchg B_(b), B_(a)
#define XLAT                    xlat
#define XOR_L(a, b)             xor L_(b), L_(a)
#define XOR_W(a, b)             xor W_(b), W_(a)
#define XOR_B(a, b)             xor B_(b), B_(a)


/* Floating Point Instructions */
#define F2XM1                   f2xm1
#define FABS                    fabs
#define FADD_D(a)               fadd D_(a)
#define FADD_S(a)               fadd S_(a)
#define FADD2(a, b)             fadd b, a
#define FADDP(a, b)             faddp b, a
#define FIADD_L(a)              fiadd L_(a)
#define FIADD_W(a)              fiadd W_(a)
#define FBLD(a)                 fbld a
#define FBSTP(a)                fbstp a
#define FCHS                    fchs
#define FCLEX                   fclex
#define FNCLEX                  fnclex
#define FCOM(a)                 fcom a
#define FCOM_D(a)               fcom D_(a)
#define FCOM_S(a)               fcom S_(a)
#define FCOMP(a)                fcomp a
#define FCOMP_D(a)              fcomp D_(a)
#define FCOMP_S(a)              fcomp S_(a)
#define FCOMPP                  fcompp
#define FCOS                    fcos
#define FDECSTP                 fdecstp
#define FDIV_D(a)               fdiv D_(a)
#define FDIV_S(a)               fdiv S_(a)
#define FDIV2(a, b)             fdiv b, a
#define FDIVP(a, b)             fdivp b, a
#define FIDIV_L(a)              fidiv L_(a)
#define FIDIV_W(a)              fidiv W_(a)
#define FDIVR_D(a)              fdivr D_(a)
#define FDIVR_S(a)              fdivr S_(a)
#define FDIVR2(a, b)            fdivr b, a
#define FDIVRP(a, b)            fdivrp b, a
#define FIDIVR_L(a)             fidivr L_(a)
#define FIDIVR_W(a)             fidivr W_(a)
#define FFREE(a)                ffree a
#define FICOM_L(a)              ficom L_(a)
#define FICOM_W(a)              ficom W_(a)
#define FICOMP_L(a)             ficomp L_(a)
#define FICOMP_W(a)             ficomp W_(a)
#define FILD_Q(a)               fild D_(a)
#define FILD_L(a)               fild L_(a)
#define FILD_W(a)               fild W_(a)
#define FINCSTP                 fincstp
#define FINIT                   finit
#define FNINIT                  fninit
#define FIST_L(a)               fist L_(a)
#define FIST_W(a)               fist W_(a)
#define FISTP_Q(a)              fistp D_(a)
#define FISTP_L(a)              fistp L_(a)
#define FISTP_W(a)              fistp W_(a)
#define FLD_X(a)                fld X_(a)
#define FLD_D(a)                fld D_(a)
#define FLD_S(a)                fld S_(a)
#define FLD1                    fld1
#define FLDL2T                  fldl2t
#define FLDL2E                  fldl2e
#define FLDPI                   fldpi
#define FLDLG2                  fldlg2
#define FLDLN2                  fldln2
#define FLDZ                    fldz
#define FLDCW(a)                fldcw a
#define FLDENV(a)               fldenv a
#define FMUL_S(a)               fmul S_(a)
#define FMUL_D(a)               fmul D_(a)
#define FMUL2(a, b)             fmul b, a
#define FMULP(a, b)             fmulp b, a
#define FIMUL_L(a)              fimul L_(a)
#define FIMUL_W(a)              fimul W_(a)
#define FNOP                    fnop
#define FPATAN                  fpatan
#define FPREM                   fprem
#define FPREM1                  fprem1
#define FPTAN                   fptan
#define FRNDINT                 frndint
#define FRSTOR(a)               frstor a
#define FSAVE(a)                fsave a
#define FNSAVE(a)               fnsave a
#define FSCALE                  fscale
#define FSIN                    fsin
#define FSINCOS                 fsincos
#define FSQRT                   fsqrt
#define FST_D(a)                fst D_(a)
#define FST_S(a)                fst S_(a)
#define FSTP_X(a)               fstp X_(a)
#define FSTP_D(a)               fstp D_(a)
#define FSTP_S(a)               fstp S_(a)
#define FSTP(a)                 fstp a
#define FSTCW(a)                fstcw a
#define FNSTCW(a)               fnstcw a
#define FSTENV(a)               fstenv a
#define FNSTENV(a)              fnstenv a
#define FSTSW(a)                fstsw a
#define FNSTSW(a)               fnstsw a
#define FSUB_S(a)               fsub S_(a)
#define FSUB_D(a)               fsub D_(a)
#define FSUB2(a, b)             fsub b, a
#define FSUBP(a, b)             fsubp b, a
#define FISUB_L(a)              fisub L_(a)
#define FISUB_W(a)              fisub W_(a)
#define FSUBR_S(a)              fsubr S_(a)
#define FSUBR_D(a)              fsubr D_(a)
#define FSUBR2(a, b)            fsubr b, a
#define FSUBRP(a, b)            fsubrp b, a
#define FISUBR_L(a)             fisubr L_(a)
#define FISUBR_W(a)             fisubr W_(a)
#define FTST                    ftst
#define FUCOM(a)                fucom a
#define FUCOMP(a)               fucomp a
#define FUCOMPP                 fucompp
#define FWAIT                   fwait
#define FXAM                    fxam
#define FXCH(a)                 fxch a
#define FXTRACT                 fxtract
#define FYL2X                   fyl2x
#define FYL2XP1                 fyl2xp1

#endif /* NASM_ASSEMBLER, MASM_ASSEMBLER */

        /****************************************/
        /*                                      */
        /*      Extensions to x86 insn set -    */
        /*      MMX, 3DNow!                     */
        /*                                      */
        /****************************************/

#if defined(NASM_ASSEMBLER) || defined(MASM_ASSEMBLER)
#define P_ARG1(a)               P_ ## a
#define P_ARG2(a, b)            P_ ## b, P_ ## a
#define P_ARG3(a, b, c)         P_ ## c, P_ ## b, P_ ## a
#else
#define P_ARG1(a)               a
#define P_ARG2(a, b)            a, b
#define P_ARG3(a, b, c)         a, b, c
#endif

/* MMX */
#define MOVD(a, b)              movd P_ARG2(a, b)
#define MOVQ(a, b)              movq P_ARG2(a, b)

#define PADDB(a, b)             paddb P_ARG2(a, b)
#define PADDW(a, b)             paddw P_ARG2(a, b)
#define PADDD(a, b)             paddd P_ARG2(a, b)

#define PADDSB(a, b)            paddsb P_ARG2(a, b)
#define PADDSW(a, b)            paddsw P_ARG2(a, b)

#define PADDUSB(a, b)           paddusb P_ARG2(a, b)
#define PADDUSW(a, b)           paddusw P_ARG2(a, b)

#define PSUBB(a, b)             psubb P_ARG2(a, b)
#define PSUBW(a, b)             psubw P_ARG2(a, b)
#define PSUBD(a, b)             psubd P_ARG2(a, b)

#define PSUBSB(a, b)            psubsb P_ARG2(a, b)
#define PSUBSW(a, b)            psubsw P_ARG2(a, b)

#define PSUBUSB(a, b)           psubusb P_ARG2(a, b)
#define PSUBUSW(a, b)           psubusw P_ARG2(a, b)

#define PCMPEQB(a, b)           pcmpeqb P_ARG2(a, b)
#define PCMPEQW(a, b)           pcmpeqw P_ARG2(a, b)
#define PCMPEQD(a, b)           pcmpeqd P_ARG2(a, b)

#define PCMPGTB(a, b)           pcmpgtb P_ARG2(a, b)
#define PCMPGTW(a, b)           pcmpgtw P_ARG2(a, b)
#define PCMPGTD(a, b)           pcmpgtd P_ARG2(a, b)

#define PMULHW(a, b)            pmulhw P_ARG2(a, b)
#define PMULLW(a, b)            pmullw P_ARG2(a, b)

#define PMADDWD(a, b)           pmaddwd P_ARG2(a, b)

#define PAND(a, b)              pand P_ARG2(a, b)

#define PANDN(a, b)             pandn P_ARG2(a, b)

#define POR(a, b)               por P_ARG2(a, b)

#define PXOR(a, b)              pxor P_ARG2(a, b)

#define PSRAW(a, b)             psraw P_ARG2(a, b)
#define PSRAD(a, b)             psrad P_ARG2(a, b)

#define PSRLW(a, b)             psrlw P_ARG2(a, b)
#define PSRLD(a, b)             psrld P_ARG2(a, b)
#define PSRLQ(a, b)             psrlq P_ARG2(a, b)

#define PSLLW(a, b)             psllw P_ARG2(a, b)
#define PSLLD(a, b)             pslld P_ARG2(a, b)
#define PSLLQ(a, b)             psllq P_ARG2(a, b)

#define PACKSSWB(a, b)          packsswb P_ARG2(a, b)
#define PACKSSDW(a, b)          packssdw P_ARG2(a, b)
#define PACKUSWB(a, b)          packuswb P_ARG2(a, b)

#define PUNPCKHBW(a, b)         punpckhbw P_ARG2(a, b)
#define PUNPCKHWD(a, b)         punpckhwd P_ARG2(a, b)
#define PUNPCKHDQ(a, b)         punpckhdq P_ARG2(a, b)
#define PUNPCKLBW(a, b)         punpcklbw P_ARG2(a, b)
#define PUNPCKLWD(a, b)         punpcklwd P_ARG2(a, b)
#define PUNPCKLDQ(a, b)         punpckldq P_ARG2(a, b)

#define EMMS                    emms

/* AMD 3DNow! */
#define PAVGUSB(a, b)           pavgusb P_ARG2(a, b)
#define PFADD(a, b)             pfadd P_ARG2(a, b)
#define PFSUB(a, b)             pfsub P_ARG2(a, b)
#define PFSUBR(a, b)            pfsubr P_ARG2(a, b)
#define PFACC(a, b)             pfacc P_ARG2(a, b)
#define PFCMPGE(a, b)           pfcmpge P_ARG2(a, b)
#define PFCMPGT(a, b)           pfcmpgt P_ARG2(a, b)
#define PFCMPEQ(a, b)           pfcmpeq P_ARG2(a, b)
#define PFMIN(a, b)             pfmin P_ARG2(a, b)
#define PFMAX(a, b)             pfmax P_ARG2(a, b)
#define PI2FD(a, b)             pi2fd P_ARG2(a, b)
#define PF2ID(a, b)             pf2id P_ARG2(a, b)
#define PFRCP(a, b)             pfrcp P_ARG2(a, b)
#define PFRSQRT(a, b)           pfrsqrt P_ARG2(a, b)
#define PFMUL(a, b)             pfmul P_ARG2(a, b)
#define PFRCPIT1(a, b)          pfrcpit1 P_ARG2(a, b)
#define PFRSQIT1(a, b)          pfrsqit1 P_ARG2(a, b)
#define PFRCPIT2(a, b)          pfrcpit2 P_ARG2(a, b)
#define PMULHRW(a, b)           pmulhrw P_ARG2(a, b)

#define FEMMS                   femms
#define PREFETCH(a)             prefetch P_ARG1(a)
#define PREFETCHW(a)            prefetchw P_ARG1(a)

/* Intel SSE */
#define ADDPS(a, b)             addps P_ARG2(a, b)
#define ADDSS(a, b)             addss P_ARG2(a, b)
#define ANDNPS(a, b)            andnps P_ARG2(a, b)
#define ANDPS(a, b)             andps P_ARG2(a, b)
/* NASM only knows the pseudo ops for these.
#define CMPPS(a, b, c)          cmpps P_ARG3(a, b, c)
#define CMPSS(a, b, c)          cmpss P_ARG3(a, b, c)
*/

#define CMPEQPS(a, b)           cmpeqps P_ARG2(a, b)
#define CMPLTPS(a, b)           cmpltps P_ARG2(a, b)
#define CMPLEPS(a, b)           cmpleps P_ARG2(a, b)
#define CMPUNORDPS(a, b)        cmpunordps P_ARG2(a, b)
#define CMPNEQPS(a, b)          cmpneqps P_ARG2(a, b)
#define CMPNLTPS(a, b)          cmpnltps P_ARG2(a, b)
#define CMPNLEPS(a, b)          cmpnleps P_ARG2(a, b)
#define CMPORDPS(a, b)          cmpordps P_ARG2(a, b)
#define CMPEQSS(a, b)           cmpeqss P_ARG2(a, b)
#define CMPLTSS(a, b)           cmpltss P_ARG2(a, b)
#define CMPLESS(a, b)           cmpless P_ARG2(a, b)
#define CMPUNORDSS(a, b)        cmpunordss P_ARG2(a, b)
#define CMPNEQSS(a, b)          cmpneqss P_ARG2(a, b)
#define CMPNLTSS(a, b)          cmpnltss P_ARG2(a, b)
#define CMPNLESS(a, b)          cmpnless P_ARG2(a, b)
#define CMPORDSS(a, b)          cmpordss P_ARG2(a, b)
#define COMISS(a, b)            comiss P_ARG2(a, b)
#define CVTPI2PS(a, b)          cvtpi2ps P_ARG2(a, b)
#define CVTPS2PI(a, b)          cvtps2pi P_ARG2(a, b)
#define CVTSI2SS(a, b)          cvtsi2ss P_ARG2(a, b)
#define CVTSS2SI(a, b)          cvtss2si P_ARG2(a, b)
#define CVTTPS2PI(a, b)         cvttps2pi P_ARG2(a, b)
#define CVTTSS2SI(a, b)         cvttss2si P_ARG2(a, b)
#define DIVPS(a, b)             divps P_ARG2(a, b)
#define DIVSS(a, b)             divss P_ARG2(a, b)
#define FXRSTOR(a)              fxrstor P_ARG1(a)
#define FXSAVE(a)               fxsave P_ARG1(a)
#define LDMXCSR(a)              ldmxcsr P_ARG1(a)
#define MAXPS(a, b)             maxps P_ARG2(a, b)
#define MAXSS(a, b)             maxss P_ARG2(a, b)
#define MINPS(a, b)             minps P_ARG2(a, b)
#define MINSS(a, b)             minss P_ARG2(a, b)
#define MOVAPS(a, b)            movaps P_ARG2(a, b)
#define MOVHLPS(a, b)           movhlps P_ARG2(a, b)
#define MOVHPS(a, b)            movhps P_ARG2(a, b)
#define MOVLHPS(a, b)           movlhps P_ARG2(a, b)
#define MOVLPS(a, b)            movlps P_ARG2(a, b)
#define MOVMSKPS(a, b)          movmskps P_ARG2(a, b)
#define MOVNTPS(a, b)           movntps P_ARG2(a, b)
#define MOVNTQ(a, b)            movntq P_ARG2(a, b)
#define MOVSS(a, b)             movss P_ARG2(a, b)
#define MOVUPS(a, b)            movups P_ARG2(a, b)
#define MULPS(a, b)             mulps P_ARG2(a, b)
#define MULSS(a, b)             mulss P_ARG2(a, b)
#define ORPS(a, b)              orps P_ARG2(a, b)
#define RCPPS(a, b)             rcpps P_ARG2(a, b)
#define RCPSS(a, b)             rcpss P_ARG2(a, b)
#define RSQRTPS(a, b)           rsqrtps P_ARG2(a, b)
#define RSQRTSS(a, b)           rsqrtss P_ARG2(a, b)
#define SHUFPS(a, b, c)         shufps P_ARG3(a, b, c)
#define SQRTPS(a, b)            sqrtps P_ARG2(a, b)
#define SQRTSS(a, b)            sqrtss P_ARG2(a, b)
#define STMXCSR(a)              stmxcsr P_ARG1(a)
#define SUBPS(a, b)             subps P_ARG2(a, b)
#define UCOMISS(a, b)           ucomiss P_ARG2(a, b)
#define UNPCKHPS(a, b)          unpckhps P_ARG2(a, b)
#define UNPCKLPS(a, b)          unpcklps P_ARG2(a, b)
#define XORPS(a, b)             xorps P_ARG2(a, b)

#define PREFETCHNTA(a)          prefetchnta P_ARG1(a)
#define PREFETCHT0(a)           prefetcht0 P_ARG1(a)
#define PREFETCHT1(a)           prefetcht1 P_ARG1(a)
#define PREFETCHT2(a)           prefetcht2 P_ARG1(a)
#define SFENCE                  sfence

/* Added by BrianP for FreeBSD (per David Dawes) */
#if !defined(NASM_ASSEMBLER) && !defined(MASM_ASSEMBLER) && !defined(__bsdi__)
#define LLBL(a)         CONCAT(.L,a)
#else
#define LLBL(a)         a
#endif


#endif /* __ASSYNTAX_H__ */