uae_cpu/compiler/codegen_x86.cpp

/*
 *  compiler/codegen_x86.cpp - IA-32 code generator
 *
 *  Original 68040 JIT compiler for UAE, copyright 2000-2002 Bernd Meyer
 *
 *  Adaptation for Basilisk II and improvements, copyright 2000-2005
 *    Gwenole Beauchesne
 *
 *  Basilisk II (C) 1997-2005 Christian Bauer
 *
 *  Portions related to CPU detection come from linux/arch/i386/kernel/setup.c
 *  
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/* This should eventually end up in machdep/, but for now, x86 is the
   only target, and it's easier this way... */

#include "flags_x86.h"

/*************************************************************************
 * Some basic information about the the target CPU                       *
 *************************************************************************/

#define EAX_INDEX 0
#define ECX_INDEX 1
#define EDX_INDEX 2
#define EBX_INDEX 3
#define ESP_INDEX 4
#define EBP_INDEX 5
#define ESI_INDEX 6
#define EDI_INDEX 7
#if defined(__x86_64__)
#define R8_INDEX  8
#define R9_INDEX  9
#define R10_INDEX 10
#define R11_INDEX 11
#define R12_INDEX 12
#define R13_INDEX 13
#define R14_INDEX 14
#define R15_INDEX 15
#endif
/* XXX this has to match X86_Reg8H_Base + 4 */
#define AH_INDEX (0x10+4+EAX_INDEX)
#define CH_INDEX (0x10+4+ECX_INDEX)
#define DH_INDEX (0x10+4+EDX_INDEX)
#define BH_INDEX (0x10+4+EBX_INDEX)

/* The register in which subroutines return an integer return value */
#define REG_RESULT EAX_INDEX

/* The registers subroutines take their first and second argument in */
#if defined( _MSC_VER ) && !defined( USE_NORMAL_CALLING_CONVENTION )
/* Handle the _fastcall parameters of ECX and EDX */
#define REG_PAR1 ECX_INDEX
#define REG_PAR2 EDX_INDEX
#elif defined(__x86_64__)
#define REG_PAR1 EDI_INDEX
#define REG_PAR2 ESI_INDEX
#else
#define REG_PAR1 EAX_INDEX
#define REG_PAR2 EDX_INDEX
#endif

#define REG_PC_PRE EAX_INDEX /* The register we use for preloading regs.pc_p */
#if defined( _MSC_VER ) && !defined( USE_NORMAL_CALLING_CONVENTION )
#define REG_PC_TMP EAX_INDEX
#else
#define REG_PC_TMP ECX_INDEX /* Another register that is not the above */
#endif

#define SHIFTCOUNT_NREG ECX_INDEX  /* Register that can be used for shiftcount.
                              -1 if any reg will do */
#define MUL_NREG1 EAX_INDEX /* %eax will hold the low 32 bits after a 32x32 mul */
#define MUL_NREG2 EDX_INDEX /* %edx will hold the high 32 bits */

#define STACK_ALIGN             16
#define STACK_OFFSET    sizeof(void *)

uae_s8 always_used[]={4,-1};
#if defined(__x86_64__)
uae_s8 can_byte[]={0,1,2,3,5,6,7,8,9,10,11,12,13,14,15,-1};
uae_s8 can_word[]={0,1,2,3,5,6,7,8,9,10,11,12,13,14,15,-1};
#else
uae_s8 can_byte[]={0,1,2,3,-1};
uae_s8 can_word[]={0,1,2,3,5,6,7,-1};
#endif

#if USE_OPTIMIZED_CALLS
/* Make sure interpretive core does not use cpuopti */
uae_u8 call_saved[]={0,0,0,1,1,1,1,1};
#error FIXME: code not ready
#else
/* cpuopti mutate instruction handlers to assume registers are saved
   by the caller */
uae_u8 call_saved[]={0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0};
#endif

/* This *should* be the same as call_saved. But:
   - We might not really know which registers are saved, and which aren't,
     so we need to preserve some, but don't want to rely on everyone else
     also saving those registers
   - Special registers (such like the stack pointer) should not be "preserved"
     by pushing, even though they are "saved" across function calls
*/
#if defined(__x86_64__)
/* callee-saved registers as defined by Linux AMD64 ABI: rbx, rbp, rsp, r12 - r15 */
/* preserve r11 because it's generally used to hold pointers to functions */
static const uae_u8 need_to_preserve[]={0,0,0,1,0,1,0,0,0,0,0,1,1,1,1,1};
#else
/* callee-saved registers as defined by System V IA-32 ABI: edi, esi, ebx, ebp */
static const uae_u8 need_to_preserve[]={0,0,0,1,0,1,1,1};
#endif

/* Whether classes of instructions do or don't clobber the native flags */
#define CLOBBER_MOV
#define CLOBBER_LEA
#define CLOBBER_CMOV
#define CLOBBER_POP
#define CLOBBER_PUSH
#define CLOBBER_SUB  clobber_flags()
#define CLOBBER_SBB  clobber_flags()
#define CLOBBER_CMP  clobber_flags()
#define CLOBBER_ADD  clobber_flags()
#define CLOBBER_ADC  clobber_flags()
#define CLOBBER_AND  clobber_flags()
#define CLOBBER_OR   clobber_flags()
#define CLOBBER_XOR  clobber_flags()

#define CLOBBER_ROL  clobber_flags()
#define CLOBBER_ROR  clobber_flags()
#define CLOBBER_SHLL clobber_flags()
#define CLOBBER_SHRL clobber_flags()
#define CLOBBER_SHRA clobber_flags()
#define CLOBBER_TEST clobber_flags()
#define CLOBBER_CL16 
#define CLOBBER_CL8  
#define CLOBBER_SE32
#define CLOBBER_SE16
#define CLOBBER_SE8
#define CLOBBER_ZE32
#define CLOBBER_ZE16
#define CLOBBER_ZE8
#define CLOBBER_SW16 clobber_flags()
#define CLOBBER_SW32
#define CLOBBER_SETCC
#define CLOBBER_MUL  clobber_flags()
#define CLOBBER_BT   clobber_flags()
#define CLOBBER_BSF  clobber_flags()

/* FIXME: disabled until that's proofread.  */
#if defined(__x86_64__)
#define USE_NEW_RTASM 1
#endif

#if USE_NEW_RTASM

#if defined(__x86_64__)
#define X86_TARGET_64BIT                1
/* The address override prefix causes a 5 cycles penalty on Intel Core
   processors. Another solution would be to decompose the load in an LEA,
   MOV (to zero-extend), MOV (from memory): is it better? */
#define ADDR32                                  x86_emit_byte(0x67),
#else
#define ADDR32                                  /**/
#endif
#define X86_FLAT_REGISTERS              0
#define X86_OPTIMIZE_ALU                1
#define X86_OPTIMIZE_ROTSHI             1
#include "codegen_x86.h"

#define x86_emit_byte(B)                emit_byte(B)
#define x86_emit_word(W)                emit_word(W)
#define x86_emit_long(L)                emit_long(L)
#define x86_emit_quad(Q)                emit_quad(Q)
#define x86_get_target()                get_target()
#define x86_emit_failure(MSG)   jit_fail(MSG, __FILE__, __LINE__, __FUNCTION__)

static void jit_fail(const char *msg, const char *file, int line, const char *function)
{
        fprintf(stderr, "JIT failure in function %s from file %s at line %d: %s\n",
                        function, file, line, msg);
        abort();
}

LOWFUNC(NONE,WRITE,1,raw_push_l_r,(R4 r))
{
#if defined(__x86_64__)
        PUSHQr(r);
#else
        PUSHLr(r);
#endif
}
LENDFUNC(NONE,WRITE,1,raw_push_l_r,(R4 r))

LOWFUNC(NONE,READ,1,raw_pop_l_r,(R4 r))
{
#if defined(__x86_64__)
        POPQr(r);
#else
        POPLr(r);
#endif
}
LENDFUNC(NONE,READ,1,raw_pop_l_r,(R4 r))

LOWFUNC(NONE,READ,1,raw_pop_l_m,(MEMW d))
{
#if defined(__x86_64__)
        POPQm(d, X86_NOREG, X86_NOREG, 1);
#else
        POPLm(d, X86_NOREG, X86_NOREG, 1);
#endif
}
LENDFUNC(NONE,READ,1,raw_pop_l_m,(MEMW d))

LOWFUNC(WRITE,NONE,2,raw_bt_l_ri,(R4 r, IMM i))
{
        BTLir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_bt_l_ri,(R4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_bt_l_rr,(R4 r, R4 b))
{
        BTLrr(b, r);
}
LENDFUNC(WRITE,NONE,2,raw_bt_l_rr,(R4 r, R4 b))

LOWFUNC(WRITE,NONE,2,raw_btc_l_ri,(RW4 r, IMM i))
{
        BTCLir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_btc_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_btc_l_rr,(RW4 r, R4 b))
{
        BTCLrr(b, r);
}
LENDFUNC(WRITE,NONE,2,raw_btc_l_rr,(RW4 r, R4 b))

LOWFUNC(WRITE,NONE,2,raw_btr_l_ri,(RW4 r, IMM i))
{
        BTRLir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_btr_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_btr_l_rr,(RW4 r, R4 b))
{
        BTRLrr(b, r);
}
LENDFUNC(WRITE,NONE,2,raw_btr_l_rr,(RW4 r, R4 b))

LOWFUNC(WRITE,NONE,2,raw_bts_l_ri,(RW4 r, IMM i))
{
        BTSLir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_bts_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_bts_l_rr,(RW4 r, R4 b))
{
        BTSLrr(b, r);
}
LENDFUNC(WRITE,NONE,2,raw_bts_l_rr,(RW4 r, R4 b))

LOWFUNC(WRITE,NONE,2,raw_sub_w_ri,(RW2 d, IMM i))
{
        SUBWir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_sub_w_ri,(RW2 d, IMM i))

LOWFUNC(NONE,READ,2,raw_mov_l_rm,(W4 d, MEMR s))
{
        MOVLmr(s, X86_NOREG, X86_NOREG, 1, d);
}
LENDFUNC(NONE,READ,2,raw_mov_l_rm,(W4 d, MEMR s))

LOWFUNC(NONE,WRITE,2,raw_mov_l_mi,(MEMW d, IMM s))
{
        MOVLim(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,2,raw_mov_l_mi,(MEMW d, IMM s))

LOWFUNC(NONE,WRITE,2,raw_mov_w_mi,(MEMW d, IMM s))
{
        MOVWim(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,2,raw_mov_w_mi,(MEMW d, IMM s))

LOWFUNC(NONE,WRITE,2,raw_mov_b_mi,(MEMW d, IMM s))
{
        MOVBim(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,2,raw_mov_b_mi,(MEMW d, IMM s))

LOWFUNC(WRITE,RMW,2,raw_rol_b_mi,(MEMRW d, IMM i))
{
        ROLBim(i, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(WRITE,RMW,2,raw_rol_b_mi,(MEMRW d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_rol_b_ri,(RW1 r, IMM i))
{
        ROLBir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_rol_b_ri,(RW1 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_rol_w_ri,(RW2 r, IMM i))
{
        ROLWir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_rol_w_ri,(RW2 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_rol_l_ri,(RW4 r, IMM i))
{
        ROLLir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_rol_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_rol_l_rr,(RW4 d, R1 r))
{
        ROLLrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_rol_l_rr,(RW4 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_rol_w_rr,(RW2 d, R1 r))
{
        ROLWrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_rol_w_rr,(RW2 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_rol_b_rr,(RW1 d, R1 r))
{
        ROLBrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_rol_b_rr,(RW1 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shll_l_rr,(RW4 d, R1 r))
{
        SHLLrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_shll_l_rr,(RW4 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shll_w_rr,(RW2 d, R1 r))
{
        SHLWrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_shll_w_rr,(RW2 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shll_b_rr,(RW1 d, R1 r))
{
        SHLBrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_shll_b_rr,(RW1 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_ror_b_ri,(RW1 r, IMM i))
{
        RORBir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_ror_b_ri,(RW1 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_ror_w_ri,(RW2 r, IMM i))
{
        RORWir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_ror_w_ri,(RW2 r, IMM i))

LOWFUNC(WRITE,READ,2,raw_or_l_rm,(RW4 d, MEMR s))
{
        ORLmr(s, X86_NOREG, X86_NOREG, 1, d);
}
LENDFUNC(WRITE,READ,2,raw_or_l_rm,(RW4 d, MEMR s))

LOWFUNC(WRITE,NONE,2,raw_ror_l_ri,(RW4 r, IMM i))
{
        RORLir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_ror_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_ror_l_rr,(RW4 d, R1 r))
{
        RORLrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_ror_l_rr,(RW4 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_ror_w_rr,(RW2 d, R1 r))
{
        RORWrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_ror_w_rr,(RW2 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_ror_b_rr,(RW1 d, R1 r))
{
        RORBrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_ror_b_rr,(RW1 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shrl_l_rr,(RW4 d, R1 r))
{
        SHRLrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_shrl_l_rr,(RW4 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shrl_w_rr,(RW2 d, R1 r))
{
        SHRWrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_shrl_w_rr,(RW2 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shrl_b_rr,(RW1 d, R1 r))
{
        SHRBrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_shrl_b_rr,(RW1 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shra_l_rr,(RW4 d, R1 r))
{
        SARLrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_shra_l_rr,(RW4 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shra_w_rr,(RW2 d, R1 r))
{
        SARWrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_shra_w_rr,(RW2 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shra_b_rr,(RW1 d, R1 r))
{
        SARBrr(r, d);
}
LENDFUNC(WRITE,NONE,2,raw_shra_b_rr,(RW1 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shll_l_ri,(RW4 r, IMM i))
{
        SHLLir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_shll_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shll_w_ri,(RW2 r, IMM i))
{
        SHLWir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_shll_w_ri,(RW2 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shll_b_ri,(RW1 r, IMM i))
{
        SHLBir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_shll_b_ri,(RW1 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shrl_l_ri,(RW4 r, IMM i))
{
        SHRLir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_shrl_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shrl_w_ri,(RW2 r, IMM i))
{
        SHRWir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_shrl_w_ri,(RW2 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shrl_b_ri,(RW1 r, IMM i))
{
        SHRBir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_shrl_b_ri,(RW1 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shra_l_ri,(RW4 r, IMM i))
{
        SARLir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_shra_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shra_w_ri,(RW2 r, IMM i))
{
        SARWir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_shra_w_ri,(RW2 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shra_b_ri,(RW1 r, IMM i))
{
        SARBir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_shra_b_ri,(RW1 r, IMM i))

LOWFUNC(WRITE,NONE,1,raw_sahf,(R2 dummy_ah))
{
        SAHF();
}
LENDFUNC(WRITE,NONE,1,raw_sahf,(R2 dummy_ah))

LOWFUNC(NONE,NONE,1,raw_cpuid,(R4 dummy_eax))
{
        CPUID();
}
LENDFUNC(NONE,NONE,1,raw_cpuid,(R4 dummy_eax))

LOWFUNC(READ,NONE,1,raw_lahf,(W2 dummy_ah))
{
        LAHF();
}
LENDFUNC(READ,NONE,1,raw_lahf,(W2 dummy_ah))

LOWFUNC(READ,NONE,2,raw_setcc,(W1 d, IMM cc))
{
        SETCCir(cc, d);
}
LENDFUNC(READ,NONE,2,raw_setcc,(W1 d, IMM cc))

LOWFUNC(READ,WRITE,2,raw_setcc_m,(MEMW d, IMM cc))
{
        SETCCim(cc, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(READ,WRITE,2,raw_setcc_m,(MEMW d, IMM cc))

LOWFUNC(READ,NONE,3,raw_cmov_l_rr,(RW4 d, R4 s, IMM cc))
{
        if (have_cmov)
                CMOVLrr(cc, s, d);
        else { /* replacement using branch and mov */
#if defined(__x86_64__)
                write_log("x86-64 implementations are bound to have CMOV!\n");
                abort();
#endif
                JCCSii(cc^1, 2);
                MOVLrr(s, d);
        }
}
LENDFUNC(READ,NONE,3,raw_cmov_l_rr,(RW4 d, R4 s, IMM cc))

LOWFUNC(WRITE,NONE,2,raw_bsf_l_rr,(W4 d, R4 s))
{
        BSFLrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_bsf_l_rr,(W4 d, R4 s))

LOWFUNC(NONE,NONE,2,raw_sign_extend_32_rr,(W4 d, R4 s))
{
        MOVSLQrr(s, d);
}
LENDFUNC(NONE,NONE,2,raw_sign_extend_32_rr,(W4 d, R4 s))

LOWFUNC(NONE,NONE,2,raw_sign_extend_16_rr,(W4 d, R2 s))
{
        MOVSWLrr(s, d);
}
LENDFUNC(NONE,NONE,2,raw_sign_extend_16_rr,(W4 d, R2 s))

LOWFUNC(NONE,NONE,2,raw_sign_extend_8_rr,(W4 d, R1 s))
{
        MOVSBLrr(s, d);
}
LENDFUNC(NONE,NONE,2,raw_sign_extend_8_rr,(W4 d, R1 s))

LOWFUNC(NONE,NONE,2,raw_zero_extend_16_rr,(W4 d, R2 s))
{
        MOVZWLrr(s, d);
}
LENDFUNC(NONE,NONE,2,raw_zero_extend_16_rr,(W4 d, R2 s))

LOWFUNC(NONE,NONE,2,raw_zero_extend_8_rr,(W4 d, R1 s))
{
        MOVZBLrr(s, d);
}
LENDFUNC(NONE,NONE,2,raw_zero_extend_8_rr,(W4 d, R1 s))

LOWFUNC(NONE,NONE,2,raw_imul_32_32,(RW4 d, R4 s))
{
        IMULLrr(s, d);
}
LENDFUNC(NONE,NONE,2,raw_imul_32_32,(RW4 d, R4 s))

LOWFUNC(NONE,NONE,2,raw_imul_64_32,(RW4 d, RW4 s))
{
        if (d!=MUL_NREG1 || s!=MUL_NREG2) {
        write_log("Bad register in IMUL: d=%d, s=%d\n",d,s);
        abort();
        }
        IMULLr(s);
}
LENDFUNC(NONE,NONE,2,raw_imul_64_32,(RW4 d, RW4 s))

LOWFUNC(NONE,NONE,2,raw_mul_64_32,(RW4 d, RW4 s))
{
        if (d!=MUL_NREG1 || s!=MUL_NREG2) {
        write_log("Bad register in MUL: d=%d, s=%d\n",d,s);
        abort();
        }
        MULLr(s);
}
LENDFUNC(NONE,NONE,2,raw_mul_64_32,(RW4 d, RW4 s))

LOWFUNC(NONE,NONE,2,raw_mul_32_32,(RW4 d, R4 s))
{
        abort(); /* %^$&%^$%#^ x86! */
}
LENDFUNC(NONE,NONE,2,raw_mul_32_32,(RW4 d, R4 s))

LOWFUNC(NONE,NONE,2,raw_mov_b_rr,(W1 d, R1 s))
{
        MOVBrr(s, d);
}
LENDFUNC(NONE,NONE,2,raw_mov_b_rr,(W1 d, R1 s))

LOWFUNC(NONE,NONE,2,raw_mov_w_rr,(W2 d, R2 s))
{
        MOVWrr(s, d);
}
LENDFUNC(NONE,NONE,2,raw_mov_w_rr,(W2 d, R2 s))

LOWFUNC(NONE,READ,4,raw_mov_l_rrm_indexed,(W4 d,R4 baser, R4 index, IMM factor))
{
        ADDR32 MOVLmr(0, baser, index, factor, d);
}
LENDFUNC(NONE,READ,4,raw_mov_l_rrm_indexed,(W4 d,R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,READ,4,raw_mov_w_rrm_indexed,(W2 d, R4 baser, R4 index, IMM factor))
{
        ADDR32 MOVWmr(0, baser, index, factor, d);
}
LENDFUNC(NONE,READ,4,raw_mov_w_rrm_indexed,(W2 d, R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,READ,4,raw_mov_b_rrm_indexed,(W1 d, R4 baser, R4 index, IMM factor))
{
        ADDR32 MOVBmr(0, baser, index, factor, d);
}
LENDFUNC(NONE,READ,4,raw_mov_b_rrm_indexed,(W1 d, R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,WRITE,4,raw_mov_l_mrr_indexed,(R4 baser, R4 index, IMM factor, R4 s))
{
        ADDR32 MOVLrm(s, 0, baser, index, factor);
}
LENDFUNC(NONE,WRITE,4,raw_mov_l_mrr_indexed,(R4 baser, R4 index, IMM factor, R4 s))

LOWFUNC(NONE,WRITE,4,raw_mov_w_mrr_indexed,(R4 baser, R4 index, IMM factor, R2 s))
{
        ADDR32 MOVWrm(s, 0, baser, index, factor);
}
LENDFUNC(NONE,WRITE,4,raw_mov_w_mrr_indexed,(R4 baser, R4 index, IMM factor, R2 s))

LOWFUNC(NONE,WRITE,4,raw_mov_b_mrr_indexed,(R4 baser, R4 index, IMM factor, R1 s))
{
        ADDR32 MOVBrm(s, 0, baser, index, factor);
}
LENDFUNC(NONE,WRITE,4,raw_mov_b_mrr_indexed,(R4 baser, R4 index, IMM factor, R1 s))

LOWFUNC(NONE,WRITE,5,raw_mov_l_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R4 s))
{
        ADDR32 MOVLrm(s, base, baser, index, factor);
}
LENDFUNC(NONE,WRITE,5,raw_mov_l_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R4 s))

LOWFUNC(NONE,WRITE,5,raw_mov_w_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R2 s))
{
        ADDR32 MOVWrm(s, base, baser, index, factor);
}
LENDFUNC(NONE,WRITE,5,raw_mov_w_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R2 s))

LOWFUNC(NONE,WRITE,5,raw_mov_b_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R1 s))
{
        ADDR32 MOVBrm(s, base, baser, index, factor);
}
LENDFUNC(NONE,WRITE,5,raw_mov_b_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R1 s))

LOWFUNC(NONE,READ,5,raw_mov_l_brrm_indexed,(W4 d, IMM base, R4 baser, R4 index, IMM factor))
{
        ADDR32 MOVLmr(base, baser, index, factor, d);
}
LENDFUNC(NONE,READ,5,raw_mov_l_brrm_indexed,(W4 d, IMM base, R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,READ,5,raw_mov_w_brrm_indexed,(W2 d, IMM base, R4 baser, R4 index, IMM factor))
{
        ADDR32 MOVWmr(base, baser, index, factor, d);
}
LENDFUNC(NONE,READ,5,raw_mov_w_brrm_indexed,(W2 d, IMM base, R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,READ,5,raw_mov_b_brrm_indexed,(W1 d, IMM base, R4 baser, R4 index, IMM factor))
{
        ADDR32 MOVBmr(base, baser, index, factor, d);
}
LENDFUNC(NONE,READ,5,raw_mov_b_brrm_indexed,(W1 d, IMM base, R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,READ,4,raw_mov_l_rm_indexed,(W4 d, IMM base, R4 index, IMM factor))
{
        ADDR32 MOVLmr(base, X86_NOREG, index, factor, d);
}
LENDFUNC(NONE,READ,4,raw_mov_l_rm_indexed,(W4 d, IMM base, R4 index, IMM factor))

LOWFUNC(NONE,READ,5,raw_cmov_l_rm_indexed,(W4 d, IMM base, R4 index, IMM factor, IMM cond))
{
        if (have_cmov)
                ADDR32 CMOVLmr(cond, base, X86_NOREG, index, factor, d);
        else { /* replacement using branch and mov */
#if defined(__x86_64__)
                write_log("x86-64 implementations are bound to have CMOV!\n");
                abort();
#endif
                JCCSii(cond^1, 7);
                ADDR32 MOVLmr(base, X86_NOREG, index, factor, d);
        }
}
LENDFUNC(NONE,READ,5,raw_cmov_l_rm_indexed,(W4 d, IMM base, R4 index, IMM factor, IMM cond))

LOWFUNC(NONE,READ,3,raw_cmov_l_rm,(W4 d, IMM mem, IMM cond))
{
        if (have_cmov)
                CMOVLmr(cond, mem, X86_NOREG, X86_NOREG, 1, d);
        else { /* replacement using branch and mov */
#if defined(__x86_64__)
                write_log("x86-64 implementations are bound to have CMOV!\n");
                abort();
#endif
                JCCSii(cond^1, 6);
                MOVLmr(mem, X86_NOREG, X86_NOREG, 1, d);
        }
}
LENDFUNC(NONE,READ,3,raw_cmov_l_rm,(W4 d, IMM mem, IMM cond))

LOWFUNC(NONE,READ,3,raw_mov_l_rR,(W4 d, R4 s, IMM offset))
{
        ADDR32 MOVLmr(offset, s, X86_NOREG, 1, d);
}
LENDFUNC(NONE,READ,3,raw_mov_l_rR,(W4 d, R4 s, IMM offset))

LOWFUNC(NONE,READ,3,raw_mov_w_rR,(W2 d, R4 s, IMM offset))
{
        ADDR32 MOVWmr(offset, s, X86_NOREG, 1, d);
}
LENDFUNC(NONE,READ,3,raw_mov_w_rR,(W2 d, R4 s, IMM offset))

LOWFUNC(NONE,READ,3,raw_mov_b_rR,(W1 d, R4 s, IMM offset))
{
        ADDR32 MOVBmr(offset, s, X86_NOREG, 1, d);
}
LENDFUNC(NONE,READ,3,raw_mov_b_rR,(W1 d, R4 s, IMM offset))

LOWFUNC(NONE,READ,3,raw_mov_l_brR,(W4 d, R4 s, IMM offset))
{
        ADDR32 MOVLmr(offset, s, X86_NOREG, 1, d);
}
LENDFUNC(NONE,READ,3,raw_mov_l_brR,(W4 d, R4 s, IMM offset))

LOWFUNC(NONE,READ,3,raw_mov_w_brR,(W2 d, R4 s, IMM offset))
{
        ADDR32 MOVWmr(offset, s, X86_NOREG, 1, d);
}
LENDFUNC(NONE,READ,3,raw_mov_w_brR,(W2 d, R4 s, IMM offset))

LOWFUNC(NONE,READ,3,raw_mov_b_brR,(W1 d, R4 s, IMM offset))
{
        ADDR32 MOVBmr(offset, s, X86_NOREG, 1, d);
}
LENDFUNC(NONE,READ,3,raw_mov_b_brR,(W1 d, R4 s, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_l_Ri,(R4 d, IMM i, IMM offset))
{
        ADDR32 MOVLim(i, offset, d, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,3,raw_mov_l_Ri,(R4 d, IMM i, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_w_Ri,(R4 d, IMM i, IMM offset))
{
        ADDR32 MOVWim(i, offset, d, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,3,raw_mov_w_Ri,(R4 d, IMM i, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_b_Ri,(R4 d, IMM i, IMM offset))
{
        ADDR32 MOVBim(i, offset, d, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,3,raw_mov_b_Ri,(R4 d, IMM i, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_l_Rr,(R4 d, R4 s, IMM offset))
{
        ADDR32 MOVLrm(s, offset, d, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,3,raw_mov_l_Rr,(R4 d, R4 s, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_w_Rr,(R4 d, R2 s, IMM offset))
{
        ADDR32 MOVWrm(s, offset, d, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,3,raw_mov_w_Rr,(R4 d, R2 s, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_b_Rr,(R4 d, R1 s, IMM offset))
{
        ADDR32 MOVBrm(s, offset, d, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,3,raw_mov_b_Rr,(R4 d, R1 s, IMM offset))

LOWFUNC(NONE,NONE,3,raw_lea_l_brr,(W4 d, R4 s, IMM offset))
{
        LEALmr(offset, s, X86_NOREG, 1, d);
}
LENDFUNC(NONE,NONE,3,raw_lea_l_brr,(W4 d, R4 s, IMM offset))

LOWFUNC(NONE,NONE,5,raw_lea_l_brr_indexed,(W4 d, R4 s, R4 index, IMM factor, IMM offset))
{
        LEALmr(offset, s, index, factor, d);
}
LENDFUNC(NONE,NONE,5,raw_lea_l_brr_indexed,(W4 d, R4 s, R4 index, IMM factor, IMM offset))

LOWFUNC(NONE,NONE,4,raw_lea_l_rr_indexed,(W4 d, R4 s, R4 index, IMM factor))
{
        LEALmr(0, s, index, factor, d);
}
LENDFUNC(NONE,NONE,4,raw_lea_l_rr_indexed,(W4 d, R4 s, R4 index, IMM factor))

LOWFUNC(NONE,NONE,4,raw_lea_l_r_scaled,(W4 d, R4 index, IMM factor))
{
        LEALmr(0, X86_NOREG, index, factor, d);
}
LENDFUNC(NONE,NONE,4,raw_lea_l_r_scaled,(W4 d, R4 index, IMM factor))

LOWFUNC(NONE,WRITE,3,raw_mov_l_bRr,(R4 d, R4 s, IMM offset))
{
        ADDR32 MOVLrm(s, offset, d, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,3,raw_mov_l_bRr,(R4 d, R4 s, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_w_bRr,(R4 d, R2 s, IMM offset))
{
        ADDR32 MOVWrm(s, offset, d, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,3,raw_mov_w_bRr,(R4 d, R2 s, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_b_bRr,(R4 d, R1 s, IMM offset))
{
        ADDR32 MOVBrm(s, offset, d, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,3,raw_mov_b_bRr,(R4 d, R1 s, IMM offset))

LOWFUNC(NONE,NONE,1,raw_bswap_32,(RW4 r))
{
        BSWAPLr(r);
}
LENDFUNC(NONE,NONE,1,raw_bswap_32,(RW4 r))

LOWFUNC(WRITE,NONE,1,raw_bswap_16,(RW2 r))
{
        ROLWir(8, r);
}
LENDFUNC(WRITE,NONE,1,raw_bswap_16,(RW2 r))

LOWFUNC(NONE,NONE,2,raw_mov_l_rr,(W4 d, R4 s))
{
        MOVLrr(s, d);
}
LENDFUNC(NONE,NONE,2,raw_mov_l_rr,(W4 d, R4 s))

LOWFUNC(NONE,WRITE,2,raw_mov_l_mr,(IMM d, R4 s))
{
        MOVLrm(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,2,raw_mov_l_mr,(IMM d, R4 s))

LOWFUNC(NONE,WRITE,2,raw_mov_w_mr,(IMM d, R2 s))
{
        MOVWrm(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,2,raw_mov_w_mr,(IMM d, R2 s))

LOWFUNC(NONE,READ,2,raw_mov_w_rm,(W2 d, IMM s))
{
        MOVWmr(s, X86_NOREG, X86_NOREG, 1, d);
}
LENDFUNC(NONE,READ,2,raw_mov_w_rm,(W2 d, IMM s))

LOWFUNC(NONE,WRITE,2,raw_mov_b_mr,(IMM d, R1 s))
{
        MOVBrm(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(NONE,WRITE,2,raw_mov_b_mr,(IMM d, R1 s))

LOWFUNC(NONE,READ,2,raw_mov_b_rm,(W1 d, IMM s))
{
        MOVBmr(s, X86_NOREG, X86_NOREG, 1, d);
}
LENDFUNC(NONE,READ,2,raw_mov_b_rm,(W1 d, IMM s))

LOWFUNC(NONE,NONE,2,raw_mov_l_ri,(W4 d, IMM s))
{
        MOVLir(s, d);
}
LENDFUNC(NONE,NONE,2,raw_mov_l_ri,(W4 d, IMM s))

LOWFUNC(NONE,NONE,2,raw_mov_w_ri,(W2 d, IMM s))
{
        MOVWir(s, d);
}
LENDFUNC(NONE,NONE,2,raw_mov_w_ri,(W2 d, IMM s))

LOWFUNC(NONE,NONE,2,raw_mov_b_ri,(W1 d, IMM s))
{
        MOVBir(s, d);
}
LENDFUNC(NONE,NONE,2,raw_mov_b_ri,(W1 d, IMM s))

LOWFUNC(RMW,RMW,2,raw_adc_l_mi,(MEMRW d, IMM s))
{
        ADCLim(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(RMW,RMW,2,raw_adc_l_mi,(MEMRW d, IMM s))

LOWFUNC(WRITE,RMW,2,raw_add_l_mi,(IMM d, IMM s)) 
{
        ADDLim(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(WRITE,RMW,2,raw_add_l_mi,(IMM d, IMM s)) 

LOWFUNC(WRITE,RMW,2,raw_add_w_mi,(IMM d, IMM s)) 
{
        ADDWim(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(WRITE,RMW,2,raw_add_w_mi,(IMM d, IMM s)) 

LOWFUNC(WRITE,RMW,2,raw_add_b_mi,(IMM d, IMM s)) 
{
        ADDBim(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(WRITE,RMW,2,raw_add_b_mi,(IMM d, IMM s)) 

LOWFUNC(WRITE,NONE,2,raw_test_l_ri,(R4 d, IMM i))
{
        TESTLir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_test_l_ri,(R4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_test_l_rr,(R4 d, R4 s))
{
        TESTLrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_test_l_rr,(R4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_test_w_rr,(R2 d, R2 s))
{
        TESTWrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_test_w_rr,(R2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_test_b_rr,(R1 d, R1 s))
{
        TESTBrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_test_b_rr,(R1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_xor_l_ri,(RW4 d, IMM i))
{
        XORLir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_xor_l_ri,(RW4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_and_l_ri,(RW4 d, IMM i))
{
        ANDLir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_and_l_ri,(RW4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_and_w_ri,(RW2 d, IMM i))
{
        ANDWir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_and_w_ri,(RW2 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_and_l,(RW4 d, R4 s))
{
        ANDLrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_and_l,(RW4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_and_w,(RW2 d, R2 s))
{
        ANDWrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_and_w,(RW2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_and_b,(RW1 d, R1 s))
{
        ANDBrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_and_b,(RW1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_or_l_ri,(RW4 d, IMM i))
{
        ORLir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_or_l_ri,(RW4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_or_l,(RW4 d, R4 s))
{
        ORLrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_or_l,(RW4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_or_w,(RW2 d, R2 s))
{
        ORWrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_or_w,(RW2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_or_b,(RW1 d, R1 s))
{
        ORBrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_or_b,(RW1 d, R1 s))

LOWFUNC(RMW,NONE,2,raw_adc_l,(RW4 d, R4 s))
{
        ADCLrr(s, d);
}
LENDFUNC(RMW,NONE,2,raw_adc_l,(RW4 d, R4 s))

LOWFUNC(RMW,NONE,2,raw_adc_w,(RW2 d, R2 s))
{
        ADCWrr(s, d);
}
LENDFUNC(RMW,NONE,2,raw_adc_w,(RW2 d, R2 s))

LOWFUNC(RMW,NONE,2,raw_adc_b,(RW1 d, R1 s))
{
        ADCBrr(s, d);
}
LENDFUNC(RMW,NONE,2,raw_adc_b,(RW1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_add_l,(RW4 d, R4 s))
{
        ADDLrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_add_l,(RW4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_add_w,(RW2 d, R2 s))
{
        ADDWrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_add_w,(RW2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_add_b,(RW1 d, R1 s))
{
        ADDBrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_add_b,(RW1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_sub_l_ri,(RW4 d, IMM i))
{
        SUBLir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_sub_l_ri,(RW4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_sub_b_ri,(RW1 d, IMM i))
{
        SUBBir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_sub_b_ri,(RW1 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_add_l_ri,(RW4 d, IMM i))
{
        ADDLir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_add_l_ri,(RW4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_add_w_ri,(RW2 d, IMM i))
{
        ADDWir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_add_w_ri,(RW2 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_add_b_ri,(RW1 d, IMM i))
{
        ADDBir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_add_b_ri,(RW1 d, IMM i))

LOWFUNC(RMW,NONE,2,raw_sbb_l,(RW4 d, R4 s))
{
        SBBLrr(s, d);
}
LENDFUNC(RMW,NONE,2,raw_sbb_l,(RW4 d, R4 s))

LOWFUNC(RMW,NONE,2,raw_sbb_w,(RW2 d, R2 s))
{
        SBBWrr(s, d);
}
LENDFUNC(RMW,NONE,2,raw_sbb_w,(RW2 d, R2 s))

LOWFUNC(RMW,NONE,2,raw_sbb_b,(RW1 d, R1 s))
{
        SBBBrr(s, d);
}
LENDFUNC(RMW,NONE,2,raw_sbb_b,(RW1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_sub_l,(RW4 d, R4 s))
{
        SUBLrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_sub_l,(RW4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_sub_w,(RW2 d, R2 s))
{
        SUBWrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_sub_w,(RW2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_sub_b,(RW1 d, R1 s))
{
        SUBBrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_sub_b,(RW1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_cmp_l,(R4 d, R4 s))
{
        CMPLrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_cmp_l,(R4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_cmp_l_ri,(R4 r, IMM i))
{
        CMPLir(i, r);
}
LENDFUNC(WRITE,NONE,2,raw_cmp_l_ri,(R4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_cmp_w,(R2 d, R2 s))
{
        CMPWrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_cmp_w,(R2 d, R2 s))

LOWFUNC(WRITE,READ,2,raw_cmp_b_mi,(MEMR d, IMM s))
{
        CMPBim(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(WRITE,READ,2,raw_cmp_l_mi,(MEMR d, IMM s))

LOWFUNC(WRITE,NONE,2,raw_cmp_b_ri,(R1 d, IMM i))
{
        CMPBir(i, d);
}
LENDFUNC(WRITE,NONE,2,raw_cmp_b_ri,(R1 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_cmp_b,(R1 d, R1 s))
{
        CMPBrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_cmp_b,(R1 d, R1 s))

LOWFUNC(WRITE,READ,4,raw_cmp_l_rm_indexed,(R4 d, IMM offset, R4 index, IMM factor))
{
        ADDR32 CMPLmr(offset, X86_NOREG, index, factor, d);
}
LENDFUNC(WRITE,READ,4,raw_cmp_l_rm_indexed,(R4 d, IMM offset, R4 index, IMM factor))

LOWFUNC(WRITE,NONE,2,raw_xor_l,(RW4 d, R4 s))
{
        XORLrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_xor_l,(RW4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_xor_w,(RW2 d, R2 s))
{
        XORWrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_xor_w,(RW2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_xor_b,(RW1 d, R1 s))
{
        XORBrr(s, d);
}
LENDFUNC(WRITE,NONE,2,raw_xor_b,(RW1 d, R1 s))

LOWFUNC(WRITE,RMW,2,raw_sub_l_mi,(MEMRW d, IMM s))
{
        SUBLim(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(WRITE,RMW,2,raw_sub_l_mi,(MEMRW d, IMM s))

LOWFUNC(WRITE,READ,2,raw_cmp_l_mi,(MEMR d, IMM s))
{
        CMPLim(s, d, X86_NOREG, X86_NOREG, 1);
}
LENDFUNC(WRITE,READ,2,raw_cmp_l_mi,(MEMR d, IMM s))

LOWFUNC(NONE,NONE,2,raw_xchg_l_rr,(RW4 r1, RW4 r2))
{
        XCHGLrr(r2, r1);
}
LENDFUNC(NONE,NONE,2,raw_xchg_l_rr,(RW4 r1, RW4 r2))

LOWFUNC(NONE,NONE,2,raw_xchg_b_rr,(RW4 r1, RW4 r2))
{
        XCHGBrr(r2, r1);
}
LENDFUNC(NONE,NONE,2,raw_xchg_b_rr,(RW4 r1, RW4 r2))

LOWFUNC(READ,WRITE,0,raw_pushfl,(void))
{
        PUSHF();
}
LENDFUNC(READ,WRITE,0,raw_pushfl,(void))

LOWFUNC(WRITE,READ,0,raw_popfl,(void))
{
        POPF();
}
LENDFUNC(WRITE,READ,0,raw_popfl,(void))

/* Generate floating-point instructions */
static inline void x86_fadd_m(MEMR s)
{
        FADDLm(s,X86_NOREG,X86_NOREG,1);
}

#else

const bool optimize_accum               = true;
const bool optimize_imm8                = true;
const bool optimize_shift_once  = true;

/*************************************************************************
 * Actual encoding of the instructions on the target CPU                 *
 *************************************************************************/

static __inline__ int isaccum(int r)
{
        return (r == EAX_INDEX);
}

static __inline__ int isbyte(uae_s32 x)
{
        return (x>=-128 && x<=127);
}

static __inline__ int isword(uae_s32 x)
{
        return (x>=-32768 && x<=32767);
}

LOWFUNC(NONE,WRITE,1,raw_push_l_r,(R4 r))
{
        emit_byte(0x50+r);
}
LENDFUNC(NONE,WRITE,1,raw_push_l_r,(R4 r))

LOWFUNC(NONE,READ,1,raw_pop_l_r,(R4 r))
{
        emit_byte(0x58+r);
}
LENDFUNC(NONE,READ,1,raw_pop_l_r,(R4 r))

LOWFUNC(NONE,READ,1,raw_pop_l_m,(MEMW d))
{
        emit_byte(0x8f);
        emit_byte(0x05);
        emit_long(d);
}
LENDFUNC(NONE,READ,1,raw_pop_l_m,(MEMW d))

LOWFUNC(WRITE,NONE,2,raw_bt_l_ri,(R4 r, IMM i))
{
        emit_byte(0x0f);
        emit_byte(0xba);
        emit_byte(0xe0+r);
        emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_bt_l_ri,(R4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_bt_l_rr,(R4 r, R4 b))
{
        emit_byte(0x0f);
        emit_byte(0xa3);
        emit_byte(0xc0+8*b+r);
}
LENDFUNC(WRITE,NONE,2,raw_bt_l_rr,(R4 r, R4 b))

LOWFUNC(WRITE,NONE,2,raw_btc_l_ri,(RW4 r, IMM i))
{
        emit_byte(0x0f);
        emit_byte(0xba);
        emit_byte(0xf8+r);
        emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_btc_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_btc_l_rr,(RW4 r, R4 b))
{
        emit_byte(0x0f);
        emit_byte(0xbb);
        emit_byte(0xc0+8*b+r);
}
LENDFUNC(WRITE,NONE,2,raw_btc_l_rr,(RW4 r, R4 b))


LOWFUNC(WRITE,NONE,2,raw_btr_l_ri,(RW4 r, IMM i))
{
        emit_byte(0x0f);
        emit_byte(0xba);
        emit_byte(0xf0+r);
        emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_btr_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_btr_l_rr,(RW4 r, R4 b))
{
        emit_byte(0x0f);
        emit_byte(0xb3);
        emit_byte(0xc0+8*b+r);
}
LENDFUNC(WRITE,NONE,2,raw_btr_l_rr,(RW4 r, R4 b))

LOWFUNC(WRITE,NONE,2,raw_bts_l_ri,(RW4 r, IMM i))
{
        emit_byte(0x0f);
        emit_byte(0xba);
        emit_byte(0xe8+r);
        emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_bts_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_bts_l_rr,(RW4 r, R4 b))
{
        emit_byte(0x0f);
        emit_byte(0xab);
        emit_byte(0xc0+8*b+r);
}
LENDFUNC(WRITE,NONE,2,raw_bts_l_rr,(RW4 r, R4 b))

LOWFUNC(WRITE,NONE,2,raw_sub_w_ri,(RW2 d, IMM i))
{
    emit_byte(0x66);
    if (isbyte(i)) {
        emit_byte(0x83);
        emit_byte(0xe8+d);
        emit_byte(i);
    }
    else {
        if (optimize_accum && isaccum(d))
        emit_byte(0x2d);
        else {
        emit_byte(0x81);
        emit_byte(0xe8+d);
        }
        emit_word(i);
    }
}
LENDFUNC(WRITE,NONE,2,raw_sub_w_ri,(RW2 d, IMM i))


LOWFUNC(NONE,READ,2,raw_mov_l_rm,(W4 d, MEMR s))
{
    emit_byte(0x8b);
    emit_byte(0x05+8*d);
    emit_long(s);
}
LENDFUNC(NONE,READ,2,raw_mov_l_rm,(W4 d, MEMR s))

LOWFUNC(NONE,WRITE,2,raw_mov_l_mi,(MEMW d, IMM s))
{
    emit_byte(0xc7);
    emit_byte(0x05);
    emit_long(d);
    emit_long(s);
}
LENDFUNC(NONE,WRITE,2,raw_mov_l_mi,(MEMW d, IMM s))

LOWFUNC(NONE,WRITE,2,raw_mov_w_mi,(MEMW d, IMM s))
{
    emit_byte(0x66);
    emit_byte(0xc7);
    emit_byte(0x05);
    emit_long(d);
    emit_word(s);
}
LENDFUNC(NONE,WRITE,2,raw_mov_w_mi,(MEMW d, IMM s))

LOWFUNC(NONE,WRITE,2,raw_mov_b_mi,(MEMW d, IMM s))
{
    emit_byte(0xc6);
    emit_byte(0x05);
    emit_long(d);
    emit_byte(s);
}
LENDFUNC(NONE,WRITE,2,raw_mov_b_mi,(MEMW d, IMM s))

LOWFUNC(WRITE,RMW,2,raw_rol_b_mi,(MEMRW d, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
        emit_byte(0xd0);
        emit_byte(0x05);
        emit_long(d);
        }
        else {
    emit_byte(0xc0);
    emit_byte(0x05);
    emit_long(d);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,RMW,2,raw_rol_b_mi,(MEMRW d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_rol_b_ri,(RW1 r, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
    emit_byte(0xd0);
    emit_byte(0xc0+r);
        }
        else {
    emit_byte(0xc0);
    emit_byte(0xc0+r);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_rol_b_ri,(RW1 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_rol_w_ri,(RW2 r, IMM i))
{
    emit_byte(0x66);
    emit_byte(0xc1);
    emit_byte(0xc0+r);
    emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_rol_w_ri,(RW2 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_rol_l_ri,(RW4 r, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
    emit_byte(0xd1);
    emit_byte(0xc0+r);
        }
        else {
    emit_byte(0xc1);
    emit_byte(0xc0+r);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_rol_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_rol_l_rr,(RW4 d, R1 r))
{
    emit_byte(0xd3);
    emit_byte(0xc0+d);
}
LENDFUNC(WRITE,NONE,2,raw_rol_l_rr,(RW4 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_rol_w_rr,(RW2 d, R1 r))
{
    emit_byte(0x66);
    emit_byte(0xd3);
    emit_byte(0xc0+d);
}
LENDFUNC(WRITE,NONE,2,raw_rol_w_rr,(RW2 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_rol_b_rr,(RW1 d, R1 r))
{
    emit_byte(0xd2);
    emit_byte(0xc0+d);
}
LENDFUNC(WRITE,NONE,2,raw_rol_b_rr,(RW1 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shll_l_rr,(RW4 d, R1 r))
{
    emit_byte(0xd3);
    emit_byte(0xe0+d);
}
LENDFUNC(WRITE,NONE,2,raw_shll_l_rr,(RW4 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shll_w_rr,(RW2 d, R1 r))
{
    emit_byte(0x66);
    emit_byte(0xd3);
    emit_byte(0xe0+d);
}
LENDFUNC(WRITE,NONE,2,raw_shll_w_rr,(RW2 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shll_b_rr,(RW1 d, R1 r))
{
    emit_byte(0xd2);
    emit_byte(0xe0+d);
}
LENDFUNC(WRITE,NONE,2,raw_shll_b_rr,(RW1 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_ror_b_ri,(RW1 r, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
    emit_byte(0xd0);
    emit_byte(0xc8+r);
        }
        else {
    emit_byte(0xc0);
    emit_byte(0xc8+r);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_ror_b_ri,(RW1 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_ror_w_ri,(RW2 r, IMM i))
{
    emit_byte(0x66);
    emit_byte(0xc1);
    emit_byte(0xc8+r);
    emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_ror_w_ri,(RW2 r, IMM i))

// gb-- used for making an fpcr value in compemu_fpp.cpp
LOWFUNC(WRITE,READ,2,raw_or_l_rm,(RW4 d, MEMR s))
{
    emit_byte(0x0b);
    emit_byte(0x05+8*d);
    emit_long(s);
}
LENDFUNC(WRITE,READ,2,raw_or_l_rm,(RW4 d, MEMR s))

LOWFUNC(WRITE,NONE,2,raw_ror_l_ri,(RW4 r, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
    emit_byte(0xd1);
    emit_byte(0xc8+r);
        }
        else {
    emit_byte(0xc1);
    emit_byte(0xc8+r);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_ror_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_ror_l_rr,(RW4 d, R1 r))
{
    emit_byte(0xd3);
    emit_byte(0xc8+d);
}
LENDFUNC(WRITE,NONE,2,raw_ror_l_rr,(RW4 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_ror_w_rr,(RW2 d, R1 r))
{
    emit_byte(0x66);
    emit_byte(0xd3);
    emit_byte(0xc8+d);
}
LENDFUNC(WRITE,NONE,2,raw_ror_w_rr,(RW2 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_ror_b_rr,(RW1 d, R1 r))
{
    emit_byte(0xd2);
    emit_byte(0xc8+d);
}
LENDFUNC(WRITE,NONE,2,raw_ror_b_rr,(RW1 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shrl_l_rr,(RW4 d, R1 r))
{
    emit_byte(0xd3);
    emit_byte(0xe8+d);
}
LENDFUNC(WRITE,NONE,2,raw_shrl_l_rr,(RW4 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shrl_w_rr,(RW2 d, R1 r))
{
    emit_byte(0x66);
    emit_byte(0xd3);
    emit_byte(0xe8+d);
}
LENDFUNC(WRITE,NONE,2,raw_shrl_w_rr,(RW2 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shrl_b_rr,(RW1 d, R1 r))
{
    emit_byte(0xd2);
    emit_byte(0xe8+d);
}
LENDFUNC(WRITE,NONE,2,raw_shrl_b_rr,(RW1 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shra_l_rr,(RW4 d, R1 r))
{
    emit_byte(0xd3);
    emit_byte(0xf8+d);
}
LENDFUNC(WRITE,NONE,2,raw_shra_l_rr,(RW4 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shra_w_rr,(RW2 d, R1 r))
{
    emit_byte(0x66);
    emit_byte(0xd3);
    emit_byte(0xf8+d);
}
LENDFUNC(WRITE,NONE,2,raw_shra_w_rr,(RW2 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shra_b_rr,(RW1 d, R1 r))
{
    emit_byte(0xd2);
    emit_byte(0xf8+d);
}
LENDFUNC(WRITE,NONE,2,raw_shra_b_rr,(RW1 d, R1 r))

LOWFUNC(WRITE,NONE,2,raw_shll_l_ri,(RW4 r, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
    emit_byte(0xd1);
    emit_byte(0xe0+r);
        }
        else {
    emit_byte(0xc1);
    emit_byte(0xe0+r);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_shll_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shll_w_ri,(RW2 r, IMM i))
{
    emit_byte(0x66);
    emit_byte(0xc1);
    emit_byte(0xe0+r);
    emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_shll_w_ri,(RW2 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shll_b_ri,(RW1 r, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
    emit_byte(0xd0);
    emit_byte(0xe0+r);
        }
        else {
    emit_byte(0xc0);
    emit_byte(0xe0+r);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_shll_b_ri,(RW1 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shrl_l_ri,(RW4 r, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
    emit_byte(0xd1);
    emit_byte(0xe8+r);
        }
        else {
    emit_byte(0xc1);
    emit_byte(0xe8+r);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_shrl_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shrl_w_ri,(RW2 r, IMM i))
{
    emit_byte(0x66);
    emit_byte(0xc1);
    emit_byte(0xe8+r);
    emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_shrl_w_ri,(RW2 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shrl_b_ri,(RW1 r, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
    emit_byte(0xd0);
    emit_byte(0xe8+r);
        }
        else {
    emit_byte(0xc0);
    emit_byte(0xe8+r);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_shrl_b_ri,(RW1 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shra_l_ri,(RW4 r, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
    emit_byte(0xd1);
    emit_byte(0xf8+r);
        }
        else {
    emit_byte(0xc1);
    emit_byte(0xf8+r);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_shra_l_ri,(RW4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shra_w_ri,(RW2 r, IMM i))
{
    emit_byte(0x66);
    emit_byte(0xc1);
    emit_byte(0xf8+r);
    emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_shra_w_ri,(RW2 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_shra_b_ri,(RW1 r, IMM i))
{
        if (optimize_shift_once && (i == 1)) {
    emit_byte(0xd0);
    emit_byte(0xf8+r);
        }
        else {
    emit_byte(0xc0);
    emit_byte(0xf8+r);
    emit_byte(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_shra_b_ri,(RW1 r, IMM i))

LOWFUNC(WRITE,NONE,1,raw_sahf,(R2 dummy_ah))
{
    emit_byte(0x9e);
}
LENDFUNC(WRITE,NONE,1,raw_sahf,(R2 dummy_ah))

LOWFUNC(NONE,NONE,1,raw_cpuid,(R4 dummy_eax))
{
    emit_byte(0x0f);
    emit_byte(0xa2);
}
LENDFUNC(NONE,NONE,1,raw_cpuid,(R4 dummy_eax))

LOWFUNC(READ,NONE,1,raw_lahf,(W2 dummy_ah))
{
    emit_byte(0x9f);
}
LENDFUNC(READ,NONE,1,raw_lahf,(W2 dummy_ah))

LOWFUNC(READ,NONE,2,raw_setcc,(W1 d, IMM cc))
{
    emit_byte(0x0f);
    emit_byte(0x90+cc);
    emit_byte(0xc0+d);
}
LENDFUNC(READ,NONE,2,raw_setcc,(W1 d, IMM cc))

LOWFUNC(READ,WRITE,2,raw_setcc_m,(MEMW d, IMM cc))
{
    emit_byte(0x0f);
    emit_byte(0x90+cc);
    emit_byte(0x05);
    emit_long(d);
}
LENDFUNC(READ,WRITE,2,raw_setcc_m,(MEMW d, IMM cc))

LOWFUNC(READ,NONE,3,raw_cmov_l_rr,(RW4 d, R4 s, IMM cc))
{
    if (have_cmov) {
        emit_byte(0x0f);
        emit_byte(0x40+cc);
        emit_byte(0xc0+8*d+s);
    }
    else { /* replacement using branch and mov */
        int uncc=(cc^1);
        emit_byte(0x70+uncc); 
        emit_byte(2);  /* skip next 2 bytes if not cc=true */
        emit_byte(0x89);
        emit_byte(0xc0+8*s+d);
    }
}
LENDFUNC(READ,NONE,3,raw_cmov_l_rr,(RW4 d, R4 s, IMM cc))

LOWFUNC(WRITE,NONE,2,raw_bsf_l_rr,(W4 d, R4 s))
{
    emit_byte(0x0f);
    emit_byte(0xbc);
    emit_byte(0xc0+8*d+s);
}
LENDFUNC(WRITE,NONE,2,raw_bsf_l_rr,(W4 d, R4 s))

LOWFUNC(NONE,NONE,2,raw_sign_extend_16_rr,(W4 d, R2 s))
{
    emit_byte(0x0f);
    emit_byte(0xbf);
    emit_byte(0xc0+8*d+s);
}
LENDFUNC(NONE,NONE,2,raw_sign_extend_16_rr,(W4 d, R2 s))

LOWFUNC(NONE,NONE,2,raw_sign_extend_8_rr,(W4 d, R1 s))
{
    emit_byte(0x0f);
    emit_byte(0xbe);
    emit_byte(0xc0+8*d+s);
}
LENDFUNC(NONE,NONE,2,raw_sign_extend_8_rr,(W4 d, R1 s))

LOWFUNC(NONE,NONE,2,raw_zero_extend_16_rr,(W4 d, R2 s))
{
    emit_byte(0x0f);
    emit_byte(0xb7);
    emit_byte(0xc0+8*d+s);
}
LENDFUNC(NONE,NONE,2,raw_zero_extend_16_rr,(W4 d, R2 s))

LOWFUNC(NONE,NONE,2,raw_zero_extend_8_rr,(W4 d, R1 s))
{
    emit_byte(0x0f);
    emit_byte(0xb6);
    emit_byte(0xc0+8*d+s);
}
LENDFUNC(NONE,NONE,2,raw_zero_extend_8_rr,(W4 d, R1 s))

LOWFUNC(NONE,NONE,2,raw_imul_32_32,(RW4 d, R4 s))
{
    emit_byte(0x0f);
    emit_byte(0xaf);
    emit_byte(0xc0+8*d+s);
}
LENDFUNC(NONE,NONE,2,raw_imul_32_32,(RW4 d, R4 s))

LOWFUNC(NONE,NONE,2,raw_imul_64_32,(RW4 d, RW4 s))
{
    if (d!=MUL_NREG1 || s!=MUL_NREG2)
        abort();
    emit_byte(0xf7);
    emit_byte(0xea);
}
LENDFUNC(NONE,NONE,2,raw_imul_64_32,(RW4 d, RW4 s))

LOWFUNC(NONE,NONE,2,raw_mul_64_32,(RW4 d, RW4 s))
{
    if (d!=MUL_NREG1 || s!=MUL_NREG2) {
        printf("Bad register in MUL: d=%d, s=%d\n",d,s);
        abort();
    }
    emit_byte(0xf7);
    emit_byte(0xe2);
}
LENDFUNC(NONE,NONE,2,raw_mul_64_32,(RW4 d, RW4 s))

LOWFUNC(NONE,NONE,2,raw_mul_32_32,(RW4 d, R4 s))
{
    abort(); /* %^$&%^$%#^ x86! */
    emit_byte(0x0f);
    emit_byte(0xaf);
    emit_byte(0xc0+8*d+s);
}
LENDFUNC(NONE,NONE,2,raw_mul_32_32,(RW4 d, R4 s))

LOWFUNC(NONE,NONE,2,raw_mov_b_rr,(W1 d, R1 s))
{
    emit_byte(0x88);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(NONE,NONE,2,raw_mov_b_rr,(W1 d, R1 s))

LOWFUNC(NONE,NONE,2,raw_mov_w_rr,(W2 d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x89);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(NONE,NONE,2,raw_mov_w_rr,(W2 d, R2 s))

LOWFUNC(NONE,READ,4,raw_mov_l_rrm_indexed,(W4 d,R4 baser, R4 index, IMM factor))
{
    int isebp=(baser==5)?0x40:0;
    int fi;
    
    switch(factor) {
     case 1: fi=0; break;
     case 2: fi=1; break;
     case 4: fi=2; break;
     case 8: fi=3; break;
     default: abort();
    }


    emit_byte(0x8b);
    emit_byte(0x04+8*d+isebp);
    emit_byte(baser+8*index+0x40*fi);
    if (isebp)
        emit_byte(0x00);
}
LENDFUNC(NONE,READ,4,raw_mov_l_rrm_indexed,(W4 d,R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,READ,4,raw_mov_w_rrm_indexed,(W2 d, R4 baser, R4 index, IMM factor))
{
    int fi;
    int isebp;
    
    switch(factor) {
     case 1: fi=0; break;
     case 2: fi=1; break;
     case 4: fi=2; break;
     case 8: fi=3; break;
     default: abort();
    }
    isebp=(baser==5)?0x40:0;
    
    emit_byte(0x66);
    emit_byte(0x8b);
    emit_byte(0x04+8*d+isebp);
    emit_byte(baser+8*index+0x40*fi);
    if (isebp)
        emit_byte(0x00);
}
LENDFUNC(NONE,READ,4,raw_mov_w_rrm_indexed,(W2 d, R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,READ,4,raw_mov_b_rrm_indexed,(W1 d, R4 baser, R4 index, IMM factor))
{
   int fi;
  int isebp;

  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }
  isebp=(baser==5)?0x40:0;

   emit_byte(0x8a);
    emit_byte(0x04+8*d+isebp);
    emit_byte(baser+8*index+0x40*fi);
    if (isebp)
        emit_byte(0x00);
}
LENDFUNC(NONE,READ,4,raw_mov_b_rrm_indexed,(W1 d, R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,WRITE,4,raw_mov_l_mrr_indexed,(R4 baser, R4 index, IMM factor, R4 s))
{
  int fi;
  int isebp;

  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }

  
  isebp=(baser==5)?0x40:0;

    emit_byte(0x89);
    emit_byte(0x04+8*s+isebp);
    emit_byte(baser+8*index+0x40*fi);
    if (isebp)
        emit_byte(0x00);
}
LENDFUNC(NONE,WRITE,4,raw_mov_l_mrr_indexed,(R4 baser, R4 index, IMM factor, R4 s))

LOWFUNC(NONE,WRITE,4,raw_mov_w_mrr_indexed,(R4 baser, R4 index, IMM factor, R2 s))
{
  int fi;
  int isebp;

  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }
  isebp=(baser==5)?0x40:0;

    emit_byte(0x66);
    emit_byte(0x89);
    emit_byte(0x04+8*s+isebp);
    emit_byte(baser+8*index+0x40*fi);
    if (isebp)
        emit_byte(0x00);
}
LENDFUNC(NONE,WRITE,4,raw_mov_w_mrr_indexed,(R4 baser, R4 index, IMM factor, R2 s))

LOWFUNC(NONE,WRITE,4,raw_mov_b_mrr_indexed,(R4 baser, R4 index, IMM factor, R1 s))
{
  int fi;
  int isebp;

  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }
  isebp=(baser==5)?0x40:0;

    emit_byte(0x88);
    emit_byte(0x04+8*s+isebp);
    emit_byte(baser+8*index+0x40*fi);
    if (isebp)
        emit_byte(0x00);
}
LENDFUNC(NONE,WRITE,4,raw_mov_b_mrr_indexed,(R4 baser, R4 index, IMM factor, R1 s))

LOWFUNC(NONE,WRITE,5,raw_mov_l_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R4 s))
{
  int fi;

  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }

    emit_byte(0x89);
    emit_byte(0x84+8*s);
    emit_byte(baser+8*index+0x40*fi);
    emit_long(base);
}
LENDFUNC(NONE,WRITE,5,raw_mov_l_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R4 s))

LOWFUNC(NONE,WRITE,5,raw_mov_w_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R2 s))
{
  int fi;

  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }

    emit_byte(0x66);
    emit_byte(0x89);
    emit_byte(0x84+8*s);
    emit_byte(baser+8*index+0x40*fi);
    emit_long(base);
}
LENDFUNC(NONE,WRITE,5,raw_mov_w_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R2 s))

LOWFUNC(NONE,WRITE,5,raw_mov_b_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R1 s))
{
  int fi;

  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }

    emit_byte(0x88);
    emit_byte(0x84+8*s);
    emit_byte(baser+8*index+0x40*fi);
    emit_long(base);
}
LENDFUNC(NONE,WRITE,5,raw_mov_b_bmrr_indexed,(IMM base, R4 baser, R4 index, IMM factor, R1 s))

LOWFUNC(NONE,READ,5,raw_mov_l_brrm_indexed,(W4 d, IMM base, R4 baser, R4 index, IMM factor))
{
  int fi;

  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }

    emit_byte(0x8b);
    emit_byte(0x84+8*d);
    emit_byte(baser+8*index+0x40*fi);
    emit_long(base);
}
LENDFUNC(NONE,READ,5,raw_mov_l_brrm_indexed,(W4 d, IMM base, R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,READ,5,raw_mov_w_brrm_indexed,(W2 d, IMM base, R4 baser, R4 index, IMM factor))
{
  int fi;

  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }

    emit_byte(0x66);
    emit_byte(0x8b);
    emit_byte(0x84+8*d);
    emit_byte(baser+8*index+0x40*fi);
    emit_long(base);
}
LENDFUNC(NONE,READ,5,raw_mov_w_brrm_indexed,(W2 d, IMM base, R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,READ,5,raw_mov_b_brrm_indexed,(W1 d, IMM base, R4 baser, R4 index, IMM factor))
{
  int fi;

  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }

    emit_byte(0x8a);
    emit_byte(0x84+8*d);
    emit_byte(baser+8*index+0x40*fi);
    emit_long(base);
}
LENDFUNC(NONE,READ,5,raw_mov_b_brrm_indexed,(W1 d, IMM base, R4 baser, R4 index, IMM factor))

LOWFUNC(NONE,READ,4,raw_mov_l_rm_indexed,(W4 d, IMM base, R4 index, IMM factor))
{
  int fi;
  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: 
    fprintf(stderr,"Bad factor %d in mov_l_rm_indexed!\n",factor);
    abort();
  }
    emit_byte(0x8b);
    emit_byte(0x04+8*d);
    emit_byte(0x05+8*index+64*fi);
    emit_long(base);
}
LENDFUNC(NONE,READ,4,raw_mov_l_rm_indexed,(W4 d, IMM base, R4 index, IMM factor))

LOWFUNC(NONE,READ,5,raw_cmov_l_rm_indexed,(W4 d, IMM base, R4 index, IMM factor, IMM cond))
{
    int fi;
    switch(factor) {
     case 1: fi=0; break;
     case 2: fi=1; break;
     case 4: fi=2; break;
     case 8: fi=3; break;
     default: 
        fprintf(stderr,"Bad factor %d in mov_l_rm_indexed!\n",factor);
        abort();
    }
    if (have_cmov) {
        emit_byte(0x0f);
        emit_byte(0x40+cond);
        emit_byte(0x04+8*d);
        emit_byte(0x05+8*index+64*fi);
        emit_long(base);
    }
    else { /* replacement using branch and mov */
        int uncc=(cond^1);
        emit_byte(0x70+uncc); 
        emit_byte(7);  /* skip next 7 bytes if not cc=true */
        emit_byte(0x8b);
        emit_byte(0x04+8*d);
        emit_byte(0x05+8*index+64*fi);
        emit_long(base);
    }
}
LENDFUNC(NONE,READ,5,raw_cmov_l_rm_indexed,(W4 d, IMM base, R4 index, IMM factor, IMM cond))

LOWFUNC(NONE,READ,3,raw_cmov_l_rm,(W4 d, IMM mem, IMM cond))
{
    if (have_cmov) {
        emit_byte(0x0f);
        emit_byte(0x40+cond);
        emit_byte(0x05+8*d);
        emit_long(mem);
    }
    else { /* replacement using branch and mov */
        int uncc=(cond^1);
        emit_byte(0x70+uncc); 
        emit_byte(6);  /* skip next 6 bytes if not cc=true */
        emit_byte(0x8b);
        emit_byte(0x05+8*d);
        emit_long(mem);
    }
}
LENDFUNC(NONE,READ,3,raw_cmov_l_rm,(W4 d, IMM mem, IMM cond))

LOWFUNC(NONE,READ,3,raw_mov_l_rR,(W4 d, R4 s, IMM offset))
{
        Dif(!isbyte(offset)) abort();
    emit_byte(0x8b);
    emit_byte(0x40+8*d+s);
    emit_byte(offset);
}
LENDFUNC(NONE,READ,3,raw_mov_l_rR,(W4 d, R4 s, IMM offset))

LOWFUNC(NONE,READ,3,raw_mov_w_rR,(W2 d, R4 s, IMM offset))
{
        Dif(!isbyte(offset)) abort();
    emit_byte(0x66);
    emit_byte(0x8b);
    emit_byte(0x40+8*d+s);
    emit_byte(offset);
}
LENDFUNC(NONE,READ,3,raw_mov_w_rR,(W2 d, R4 s, IMM offset))

LOWFUNC(NONE,READ,3,raw_mov_b_rR,(W1 d, R4 s, IMM offset))
{
        Dif(!isbyte(offset)) abort();
    emit_byte(0x8a);
    emit_byte(0x40+8*d+s);
    emit_byte(offset);
}
LENDFUNC(NONE,READ,3,raw_mov_b_rR,(W1 d, R4 s, IMM offset))

LOWFUNC(NONE,READ,3,raw_mov_l_brR,(W4 d, R4 s, IMM offset))
{
    emit_byte(0x8b);
    emit_byte(0x80+8*d+s);
    emit_long(offset);
}
LENDFUNC(NONE,READ,3,raw_mov_l_brR,(W4 d, R4 s, IMM offset))

LOWFUNC(NONE,READ,3,raw_mov_w_brR,(W2 d, R4 s, IMM offset))
{
    emit_byte(0x66);
    emit_byte(0x8b);
    emit_byte(0x80+8*d+s);
    emit_long(offset);
}
LENDFUNC(NONE,READ,3,raw_mov_w_brR,(W2 d, R4 s, IMM offset))

LOWFUNC(NONE,READ,3,raw_mov_b_brR,(W1 d, R4 s, IMM offset))
{
    emit_byte(0x8a);
    emit_byte(0x80+8*d+s);
    emit_long(offset);
}
LENDFUNC(NONE,READ,3,raw_mov_b_brR,(W1 d, R4 s, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_l_Ri,(R4 d, IMM i, IMM offset))
{
        Dif(!isbyte(offset)) abort();
    emit_byte(0xc7);
    emit_byte(0x40+d);
    emit_byte(offset);
    emit_long(i);
}
LENDFUNC(NONE,WRITE,3,raw_mov_l_Ri,(R4 d, IMM i, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_w_Ri,(R4 d, IMM i, IMM offset))
{
        Dif(!isbyte(offset)) abort();
    emit_byte(0x66);
    emit_byte(0xc7);
    emit_byte(0x40+d);
    emit_byte(offset);
    emit_word(i);
}
LENDFUNC(NONE,WRITE,3,raw_mov_w_Ri,(R4 d, IMM i, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_b_Ri,(R4 d, IMM i, IMM offset))
{
        Dif(!isbyte(offset)) abort();
    emit_byte(0xc6);
    emit_byte(0x40+d);
    emit_byte(offset);
    emit_byte(i);
}
LENDFUNC(NONE,WRITE,3,raw_mov_b_Ri,(R4 d, IMM i, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_l_Rr,(R4 d, R4 s, IMM offset))
{
        Dif(!isbyte(offset)) abort();
    emit_byte(0x89);
    emit_byte(0x40+8*s+d);
    emit_byte(offset);
}
LENDFUNC(NONE,WRITE,3,raw_mov_l_Rr,(R4 d, R4 s, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_w_Rr,(R4 d, R2 s, IMM offset))
{
        Dif(!isbyte(offset)) abort();
    emit_byte(0x66);
    emit_byte(0x89);
    emit_byte(0x40+8*s+d);
    emit_byte(offset);
}
LENDFUNC(NONE,WRITE,3,raw_mov_w_Rr,(R4 d, R2 s, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_b_Rr,(R4 d, R1 s, IMM offset))
{
        Dif(!isbyte(offset)) abort();
    emit_byte(0x88);
    emit_byte(0x40+8*s+d);
    emit_byte(offset);
}
LENDFUNC(NONE,WRITE,3,raw_mov_b_Rr,(R4 d, R1 s, IMM offset))

LOWFUNC(NONE,NONE,3,raw_lea_l_brr,(W4 d, R4 s, IMM offset))
{
        if (optimize_imm8 && isbyte(offset)) {
    emit_byte(0x8d);
        emit_byte(0x40+8*d+s);
        emit_byte(offset);
        }
        else {
    emit_byte(0x8d);
        emit_byte(0x80+8*d+s);
        emit_long(offset);
        }
}
LENDFUNC(NONE,NONE,3,raw_lea_l_brr,(W4 d, R4 s, IMM offset))

LOWFUNC(NONE,NONE,5,raw_lea_l_brr_indexed,(W4 d, R4 s, R4 index, IMM factor, IMM offset))
{
  int fi;
  
  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }

        if (optimize_imm8 && isbyte(offset)) {
    emit_byte(0x8d);
        emit_byte(0x44+8*d);
        emit_byte(0x40*fi+8*index+s);
        emit_byte(offset);
        }
        else {
    emit_byte(0x8d);
        emit_byte(0x84+8*d);
        emit_byte(0x40*fi+8*index+s);
        emit_long(offset);
        }
}
LENDFUNC(NONE,NONE,5,raw_lea_l_brr_indexed,(W4 d, R4 s, R4 index, IMM factor, IMM offset))

LOWFUNC(NONE,NONE,4,raw_lea_l_rr_indexed,(W4 d, R4 s, R4 index, IMM factor))
{
  int isebp=(s==5)?0x40:0;
  int fi;
  
  switch(factor) {
  case 1: fi=0; break;
  case 2: fi=1; break;
  case 4: fi=2; break;
  case 8: fi=3; break;
  default: abort();
  }

    emit_byte(0x8d);
    emit_byte(0x04+8*d+isebp);
    emit_byte(0x40*fi+8*index+s);
    if (isebp)
      emit_byte(0);
}
LENDFUNC(NONE,NONE,4,raw_lea_l_rr_indexed,(W4 d, R4 s, R4 index, IMM factor))

LOWFUNC(NONE,WRITE,3,raw_mov_l_bRr,(R4 d, R4 s, IMM offset))
{
        if (optimize_imm8 && isbyte(offset)) {
    emit_byte(0x89);
    emit_byte(0x40+8*s+d);
    emit_byte(offset);
        }
        else {
    emit_byte(0x89);
    emit_byte(0x80+8*s+d);
    emit_long(offset);
        }
}
LENDFUNC(NONE,WRITE,3,raw_mov_l_bRr,(R4 d, R4 s, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_w_bRr,(R4 d, R2 s, IMM offset))
{
    emit_byte(0x66);
    emit_byte(0x89);
    emit_byte(0x80+8*s+d);
    emit_long(offset);
}
LENDFUNC(NONE,WRITE,3,raw_mov_w_bRr,(R4 d, R2 s, IMM offset))

LOWFUNC(NONE,WRITE,3,raw_mov_b_bRr,(R4 d, R1 s, IMM offset))
{
        if (optimize_imm8 && isbyte(offset)) {
    emit_byte(0x88);
    emit_byte(0x40+8*s+d);
    emit_byte(offset);
        }
        else {
    emit_byte(0x88);
    emit_byte(0x80+8*s+d);
    emit_long(offset);
        }
}
LENDFUNC(NONE,WRITE,3,raw_mov_b_bRr,(R4 d, R1 s, IMM offset))

LOWFUNC(NONE,NONE,1,raw_bswap_32,(RW4 r))
{
    emit_byte(0x0f);
    emit_byte(0xc8+r);
}
LENDFUNC(NONE,NONE,1,raw_bswap_32,(RW4 r))

LOWFUNC(WRITE,NONE,1,raw_bswap_16,(RW2 r))
{
    emit_byte(0x66);
    emit_byte(0xc1);
    emit_byte(0xc0+r);
    emit_byte(0x08);
}
LENDFUNC(WRITE,NONE,1,raw_bswap_16,(RW2 r))

LOWFUNC(NONE,NONE,2,raw_mov_l_rr,(W4 d, R4 s))
{
    emit_byte(0x89);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(NONE,NONE,2,raw_mov_l_rr,(W4 d, R4 s))

LOWFUNC(NONE,WRITE,2,raw_mov_l_mr,(IMM d, R4 s))
{
    emit_byte(0x89);
    emit_byte(0x05+8*s);
    emit_long(d);
}
LENDFUNC(NONE,WRITE,2,raw_mov_l_mr,(IMM d, R4 s))

LOWFUNC(NONE,WRITE,2,raw_mov_w_mr,(IMM d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x89);
    emit_byte(0x05+8*s);
    emit_long(d);
}
LENDFUNC(NONE,WRITE,2,raw_mov_w_mr,(IMM d, R2 s))

LOWFUNC(NONE,READ,2,raw_mov_w_rm,(W2 d, IMM s))
{
    emit_byte(0x66);
    emit_byte(0x8b);
    emit_byte(0x05+8*d);
    emit_long(s);
}
LENDFUNC(NONE,READ,2,raw_mov_w_rm,(W2 d, IMM s))

LOWFUNC(NONE,WRITE,2,raw_mov_b_mr,(IMM d, R1 s))
{
    emit_byte(0x88);
    emit_byte(0x05+8*(s&0xf)); /* XXX this handles %ah case (defined as 0x10+4) and others */
    emit_long(d);
}
LENDFUNC(NONE,WRITE,2,raw_mov_b_mr,(IMM d, R1 s))

LOWFUNC(NONE,READ,2,raw_mov_b_rm,(W1 d, IMM s))
{
    emit_byte(0x8a);
    emit_byte(0x05+8*d);
    emit_long(s);
}
LENDFUNC(NONE,READ,2,raw_mov_b_rm,(W1 d, IMM s))

LOWFUNC(NONE,NONE,2,raw_mov_l_ri,(W4 d, IMM s))
{
    emit_byte(0xb8+d);
    emit_long(s);
}
LENDFUNC(NONE,NONE,2,raw_mov_l_ri,(W4 d, IMM s))

LOWFUNC(NONE,NONE,2,raw_mov_w_ri,(W2 d, IMM s))
{
    emit_byte(0x66);
    emit_byte(0xb8+d);
    emit_word(s);
}
LENDFUNC(NONE,NONE,2,raw_mov_w_ri,(W2 d, IMM s))

LOWFUNC(NONE,NONE,2,raw_mov_b_ri,(W1 d, IMM s))
{
    emit_byte(0xb0+d);
    emit_byte(s);
}
LENDFUNC(NONE,NONE,2,raw_mov_b_ri,(W1 d, IMM s))

LOWFUNC(RMW,RMW,2,raw_adc_l_mi,(MEMRW d, IMM s))
{
    emit_byte(0x81);
    emit_byte(0x15);
    emit_long(d);
    emit_long(s);
}
LENDFUNC(RMW,RMW,2,raw_adc_l_mi,(MEMRW d, IMM s))

LOWFUNC(WRITE,RMW,2,raw_add_l_mi,(IMM d, IMM s)) 
{
        if (optimize_imm8 && isbyte(s)) {
    emit_byte(0x83);
    emit_byte(0x05);
    emit_long(d);
    emit_byte(s);
        }
        else {
    emit_byte(0x81);
    emit_byte(0x05);
    emit_long(d);
    emit_long(s);
        }
}
LENDFUNC(WRITE,RMW,2,raw_add_l_mi,(IMM d, IMM s)) 

LOWFUNC(WRITE,RMW,2,raw_add_w_mi,(IMM d, IMM s)) 
{
    emit_byte(0x66);
    emit_byte(0x81);
    emit_byte(0x05);
    emit_long(d);
    emit_word(s);
}
LENDFUNC(WRITE,RMW,2,raw_add_w_mi,(IMM d, IMM s)) 

LOWFUNC(WRITE,RMW,2,raw_add_b_mi,(IMM d, IMM s)) 
{
    emit_byte(0x80);
    emit_byte(0x05);
    emit_long(d);
    emit_byte(s);
}
LENDFUNC(WRITE,RMW,2,raw_add_b_mi,(IMM d, IMM s)) 

LOWFUNC(WRITE,NONE,2,raw_test_l_ri,(R4 d, IMM i))
{
        if (optimize_accum && isaccum(d))
        emit_byte(0xa9);
        else {
    emit_byte(0xf7);
    emit_byte(0xc0+d);
        }
    emit_long(i);
}
LENDFUNC(WRITE,NONE,2,raw_test_l_ri,(R4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_test_l_rr,(R4 d, R4 s))
{
    emit_byte(0x85);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_test_l_rr,(R4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_test_w_rr,(R2 d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x85);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_test_w_rr,(R2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_test_b_rr,(R1 d, R1 s))
{
    emit_byte(0x84);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_test_b_rr,(R1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_xor_l_ri,(RW4 d, IMM i))
{
    emit_byte(0x81);
    emit_byte(0xf0+d);
    emit_long(i);
}
LENDFUNC(WRITE,NONE,2,raw_xor_l_ri,(RW4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_and_l_ri,(RW4 d, IMM i))
{
        if (optimize_imm8 && isbyte(i)) {
        emit_byte(0x83);
        emit_byte(0xe0+d);
        emit_byte(i);
        }
        else {
        if (optimize_accum && isaccum(d))
        emit_byte(0x25);
        else {
        emit_byte(0x81);
        emit_byte(0xe0+d);
        }
        emit_long(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_and_l_ri,(RW4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_and_w_ri,(RW2 d, IMM i))
{
        emit_byte(0x66);
        if (optimize_imm8 && isbyte(i)) {
        emit_byte(0x83);
        emit_byte(0xe0+d);
        emit_byte(i);
        }
        else {
        if (optimize_accum && isaccum(d))
        emit_byte(0x25);
        else {
        emit_byte(0x81);
        emit_byte(0xe0+d);
        }
        emit_word(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_and_w_ri,(RW2 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_and_l,(RW4 d, R4 s))
{
    emit_byte(0x21);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_and_l,(RW4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_and_w,(RW2 d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x21);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_and_w,(RW2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_and_b,(RW1 d, R1 s))
{
    emit_byte(0x20);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_and_b,(RW1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_or_l_ri,(RW4 d, IMM i))
{
        if (optimize_imm8 && isbyte(i)) {
    emit_byte(0x83);
    emit_byte(0xc8+d);
    emit_byte(i);
        }
        else {
        if (optimize_accum && isaccum(d))
        emit_byte(0x0d);
        else {
    emit_byte(0x81);
    emit_byte(0xc8+d);
        }
    emit_long(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_or_l_ri,(RW4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_or_l,(RW4 d, R4 s))
{
    emit_byte(0x09);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_or_l,(RW4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_or_w,(RW2 d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x09);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_or_w,(RW2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_or_b,(RW1 d, R1 s))
{
    emit_byte(0x08);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_or_b,(RW1 d, R1 s))

LOWFUNC(RMW,NONE,2,raw_adc_l,(RW4 d, R4 s))
{
    emit_byte(0x11);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(RMW,NONE,2,raw_adc_l,(RW4 d, R4 s))

LOWFUNC(RMW,NONE,2,raw_adc_w,(RW2 d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x11);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(RMW,NONE,2,raw_adc_w,(RW2 d, R2 s))

LOWFUNC(RMW,NONE,2,raw_adc_b,(RW1 d, R1 s))
{
    emit_byte(0x10);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(RMW,NONE,2,raw_adc_b,(RW1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_add_l,(RW4 d, R4 s))
{
    emit_byte(0x01);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_add_l,(RW4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_add_w,(RW2 d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x01);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_add_w,(RW2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_add_b,(RW1 d, R1 s))
{
    emit_byte(0x00);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_add_b,(RW1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_sub_l_ri,(RW4 d, IMM i))
{
  if (isbyte(i)) {
    emit_byte(0x83);
    emit_byte(0xe8+d);
    emit_byte(i);
  }
  else {
    if (optimize_accum && isaccum(d))
    emit_byte(0x2d);
    else {
    emit_byte(0x81);
    emit_byte(0xe8+d);
    }
    emit_long(i);
  }
}
LENDFUNC(WRITE,NONE,2,raw_sub_l_ri,(RW4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_sub_b_ri,(RW1 d, IMM i))
{
        if (optimize_accum && isaccum(d))
        emit_byte(0x2c);
        else {
    emit_byte(0x80);
    emit_byte(0xe8+d);
        }
    emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_sub_b_ri,(RW1 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_add_l_ri,(RW4 d, IMM i))
{
    if (isbyte(i)) {
        emit_byte(0x83);
        emit_byte(0xc0+d);
        emit_byte(i);
    }
    else {
        if (optimize_accum && isaccum(d))
        emit_byte(0x05);
        else {
        emit_byte(0x81);
        emit_byte(0xc0+d);
        }
        emit_long(i);
    }
}
LENDFUNC(WRITE,NONE,2,raw_add_l_ri,(RW4 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_add_w_ri,(RW2 d, IMM i))
{
        emit_byte(0x66);
    if (isbyte(i)) {
        emit_byte(0x83);
        emit_byte(0xc0+d);
        emit_byte(i);
    }
    else {
        if (optimize_accum && isaccum(d))
        emit_byte(0x05);
        else {
        emit_byte(0x81);
        emit_byte(0xc0+d);
        }
        emit_word(i);
    }
}
LENDFUNC(WRITE,NONE,2,raw_add_w_ri,(RW2 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_add_b_ri,(RW1 d, IMM i))
{
        if (optimize_accum && isaccum(d))
        emit_byte(0x04);
        else {
        emit_byte(0x80);
        emit_byte(0xc0+d);
        }
    emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_add_b_ri,(RW1 d, IMM i))

LOWFUNC(RMW,NONE,2,raw_sbb_l,(RW4 d, R4 s))
{
    emit_byte(0x19);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(RMW,NONE,2,raw_sbb_l,(RW4 d, R4 s))

LOWFUNC(RMW,NONE,2,raw_sbb_w,(RW2 d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x19);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(RMW,NONE,2,raw_sbb_w,(RW2 d, R2 s))

LOWFUNC(RMW,NONE,2,raw_sbb_b,(RW1 d, R1 s))
{
    emit_byte(0x18);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(RMW,NONE,2,raw_sbb_b,(RW1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_sub_l,(RW4 d, R4 s))
{
    emit_byte(0x29);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_sub_l,(RW4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_sub_w,(RW2 d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x29);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_sub_w,(RW2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_sub_b,(RW1 d, R1 s))
{
    emit_byte(0x28);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_sub_b,(RW1 d, R1 s))

LOWFUNC(WRITE,NONE,2,raw_cmp_l,(R4 d, R4 s))
{
    emit_byte(0x39);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_cmp_l,(R4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_cmp_l_ri,(R4 r, IMM i))
{
        if (optimize_imm8 && isbyte(i)) {
    emit_byte(0x83);
    emit_byte(0xf8+r);
    emit_byte(i);
        }
        else {
        if (optimize_accum && isaccum(r))
        emit_byte(0x3d);
        else {
    emit_byte(0x81);
    emit_byte(0xf8+r);
        }
    emit_long(i);
        }
}
LENDFUNC(WRITE,NONE,2,raw_cmp_l_ri,(R4 r, IMM i))

LOWFUNC(WRITE,NONE,2,raw_cmp_w,(R2 d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x39);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_cmp_w,(R2 d, R2 s))

LOWFUNC(WRITE,READ,2,raw_cmp_b_mi,(MEMR d, IMM s))
{
    emit_byte(0x80);
    emit_byte(0x3d);
    emit_long(d);
    emit_byte(s);
}
LENDFUNC(WRITE,READ,2,raw_cmp_l_mi,(MEMR d, IMM s))

LOWFUNC(WRITE,NONE,2,raw_cmp_b_ri,(R1 d, IMM i))
{
  if (optimize_accum && isaccum(d))
  emit_byte(0x3c);
  else {
  emit_byte(0x80);
  emit_byte(0xf8+d);
  }
  emit_byte(i);
}
LENDFUNC(WRITE,NONE,2,raw_cmp_b_ri,(R1 d, IMM i))

LOWFUNC(WRITE,NONE,2,raw_cmp_b,(R1 d, R1 s))
{
    emit_byte(0x38);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_cmp_b,(R1 d, R1 s))

LOWFUNC(WRITE,READ,4,raw_cmp_l_rm_indexed,(R4 d, IMM offset, R4 index, IMM factor))
{
    int fi;
    
    switch(factor) {
     case 1: fi=0; break;
     case 2: fi=1; break;
     case 4: fi=2; break;
     case 8: fi=3; break;
     default: abort();
    }
    emit_byte(0x39);
    emit_byte(0x04+8*d);
    emit_byte(5+8*index+0x40*fi);
    emit_long(offset);
}
LENDFUNC(WRITE,READ,4,raw_cmp_l_rm_indexed,(R4 d, IMM offset, R4 index, IMM factor))

LOWFUNC(WRITE,NONE,2,raw_xor_l,(RW4 d, R4 s))
{
    emit_byte(0x31);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_xor_l,(RW4 d, R4 s))

LOWFUNC(WRITE,NONE,2,raw_xor_w,(RW2 d, R2 s))
{
    emit_byte(0x66);
    emit_byte(0x31);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_xor_w,(RW2 d, R2 s))

LOWFUNC(WRITE,NONE,2,raw_xor_b,(RW1 d, R1 s))
{
    emit_byte(0x30);
    emit_byte(0xc0+8*s+d);
}
LENDFUNC(WRITE,NONE,2,raw_xor_b,(RW1 d, R1 s))

LOWFUNC(WRITE,RMW,2,raw_sub_l_mi,(MEMRW d, IMM s))
{
        if (optimize_imm8 && isbyte(s)) {
    emit_byte(0x83);
    emit_byte(0x2d);
    emit_long(d);
    emit_byte(s);
        }
        else {
    emit_byte(0x81);
    emit_byte(0x2d);
    emit_long(d);
    emit_long(s);
        }
}
LENDFUNC(WRITE,RMW,2,raw_sub_l_mi,(MEMRW d, IMM s))

LOWFUNC(WRITE,READ,2,raw_cmp_l_mi,(MEMR d, IMM s))
{
        if (optimize_imm8 && isbyte(s)) {
    emit_byte(0x83);
    emit_byte(0x3d);
    emit_long(d);
    emit_byte(s);
        }
        else {
    emit_byte(0x81);
    emit_byte(0x3d);
    emit_long(d);
    emit_long(s);
        }
}
LENDFUNC(WRITE,READ,2,raw_cmp_l_mi,(MEMR d, IMM s))

LOWFUNC(NONE,NONE,2,raw_xchg_l_rr,(RW4 r1, RW4 r2))
{
  emit_byte(0x87);
  emit_byte(0xc0+8*r1+r2);
}
LENDFUNC(NONE,NONE,2,raw_xchg_l_rr,(RW4 r1, RW4 r2))

LOWFUNC(NONE,NONE,2,raw_xchg_b_rr,(RW4 r1, RW4 r2))
{
  emit_byte(0x86);
  emit_byte(0xc0+8*(r1&0xf)+(r2&0xf)); /* XXX this handles upper-halves registers (e.g. %ah defined as 0x10+4) */
}
LENDFUNC(NONE,NONE,2,raw_xchg_l_rr,(RW4 r1, RW4 r2))

/*************************************************************************
 * FIXME: mem access modes probably wrong                                *
 *************************************************************************/

LOWFUNC(READ,WRITE,0,raw_pushfl,(void))
{
        emit_byte(0x9c);
}
LENDFUNC(READ,WRITE,0,raw_pushfl,(void))

LOWFUNC(WRITE,READ,0,raw_popfl,(void))
{
        emit_byte(0x9d);
}
LENDFUNC(WRITE,READ,0,raw_popfl,(void))

/* Generate floating-point instructions */
static inline void x86_fadd_m(MEMR s)
{
        emit_byte(0xdc);
        emit_byte(0x05);
        emit_long(s);
}

#endif

/*************************************************************************
 * Unoptimizable stuff --- jump                                          *
 *************************************************************************/

static __inline__ void raw_call_r(R4 r)
{
#if USE_NEW_RTASM
    CALLsr(r);
#else
    emit_byte(0xff);
    emit_byte(0xd0+r);
#endif
}

static __inline__ void raw_call_m_indexed(uae_u32 base, uae_u32 r, uae_u32 m)
{
#if USE_NEW_RTASM
    CALLsm(base, X86_NOREG, r, m);
#else
    int mu;
    switch(m) {
     case 1: mu=0; break;
     case 2: mu=1; break;
     case 4: mu=2; break;
     case 8: mu=3; break;
     default: abort();
    }
    emit_byte(0xff);
    emit_byte(0x14);
    emit_byte(0x05+8*r+0x40*mu);
    emit_long(base);
#endif
}

static __inline__ void raw_jmp_r(R4 r)
{
#if USE_NEW_RTASM
    JMPsr(r);
#else
    emit_byte(0xff);
    emit_byte(0xe0+r);
#endif
}

static __inline__ void raw_jmp_m_indexed(uae_u32 base, uae_u32 r, uae_u32 m)
{
#if USE_NEW_RTASM
    JMPsm(base, X86_NOREG, r, m);
#else
    int mu;
    switch(m) {
     case 1: mu=0; break;
     case 2: mu=1; break;
     case 4: mu=2; break;
     case 8: mu=3; break;
     default: abort();
    }
    emit_byte(0xff);
    emit_byte(0x24);
    emit_byte(0x05+8*r+0x40*mu);
    emit_long(base);
#endif
}

static __inline__ void raw_jmp_m(uae_u32 base)
{
    emit_byte(0xff);
    emit_byte(0x25);
    emit_long(base);
}


static __inline__ void raw_call(uae_u32 t)
{
#if USE_NEW_RTASM
    CALLm(t);
#else
    emit_byte(0xe8);
    emit_long(t-(uae_u32)target-4);
#endif
}

static __inline__ void raw_jmp(uae_u32 t)
{
#if USE_NEW_RTASM
    JMPm(t);
#else
    emit_byte(0xe9);
    emit_long(t-(uae_u32)target-4);
#endif
}

static __inline__ void raw_jl(uae_u32 t)
{
    emit_byte(0x0f);
    emit_byte(0x8c);
    emit_long(t-(uintptr)target-4);
}

static __inline__ void raw_jz(uae_u32 t)
{
    emit_byte(0x0f);
    emit_byte(0x84);
    emit_long(t-(uintptr)target-4);
}

static __inline__ void raw_jnz(uae_u32 t)
{
    emit_byte(0x0f);
    emit_byte(0x85);
    emit_long(t-(uintptr)target-4);
}

static __inline__ void raw_jnz_l_oponly(void)
{
    emit_byte(0x0f); 
    emit_byte(0x85); 
}

static __inline__ void raw_jcc_l_oponly(int cc)
{
    emit_byte(0x0f); 
    emit_byte(0x80+cc); 
}

static __inline__ void raw_jnz_b_oponly(void)
{
    emit_byte(0x75); 
}

static __inline__ void raw_jz_b_oponly(void)
{
    emit_byte(0x74); 
}

static __inline__ void raw_jcc_b_oponly(int cc)
{
        emit_byte(0x70+cc);
}

static __inline__ void raw_jmp_l_oponly(void)
{
    emit_byte(0xe9); 
}

static __inline__ void raw_jmp_b_oponly(void)
{
    emit_byte(0xeb); 
}

static __inline__ void raw_ret(void)
{
    emit_byte(0xc3);  
}

static __inline__ void raw_nop(void)
{
    emit_byte(0x90);
}

static __inline__ void raw_emit_nop_filler(int nbytes)
{
  /* Source: GNU Binutils 2.12.90.0.15 */
  /* Various efficient no-op patterns for aligning code labels.
     Note: Don't try to assemble the instructions in the comments.
     0L and 0w are not legal.  */
  static const uae_u8 f32_1[] =
    {0x90};                                                                     /* nop                                  */
  static const uae_u8 f32_2[] =
    {0x89,0xf6};                                                        /* movl %esi,%esi               */
  static const uae_u8 f32_3[] =
    {0x8d,0x76,0x00};                                           /* leal 0(%esi),%esi    */
  static const uae_u8 f32_4[] =
    {0x8d,0x74,0x26,0x00};                                      /* leal 0(%esi,1),%esi  */
  static const uae_u8 f32_5[] =
    {0x90,                                                                      /* nop                                  */
     0x8d,0x74,0x26,0x00};                                      /* leal 0(%esi,1),%esi  */
  static const uae_u8 f32_6[] =
    {0x8d,0xb6,0x00,0x00,0x00,0x00};            /* leal 0L(%esi),%esi   */
  static const uae_u8 f32_7[] =
    {0x8d,0xb4,0x26,0x00,0x00,0x00,0x00};       /* leal 0L(%esi,1),%esi */
  static const uae_u8 f32_8[] =
    {0x90,                                                                      /* nop                                  */
     0x8d,0xb4,0x26,0x00,0x00,0x00,0x00};       /* leal 0L(%esi,1),%esi */
  static const uae_u8 f32_9[] =
    {0x89,0xf6,                                                         /* movl %esi,%esi               */
     0x8d,0xbc,0x27,0x00,0x00,0x00,0x00};       /* leal 0L(%edi,1),%edi */
  static const uae_u8 f32_10[] =
    {0x8d,0x76,0x00,                                            /* leal 0(%esi),%esi    */
     0x8d,0xbc,0x27,0x00,0x00,0x00,0x00};       /* leal 0L(%edi,1),%edi */
  static const uae_u8 f32_11[] =
    {0x8d,0x74,0x26,0x00,                                       /* leal 0(%esi,1),%esi  */
     0x8d,0xbc,0x27,0x00,0x00,0x00,0x00};       /* leal 0L(%edi,1),%edi */
  static const uae_u8 f32_12[] =
    {0x8d,0xb6,0x00,0x00,0x00,0x00,                     /* leal 0L(%esi),%esi   */
     0x8d,0xbf,0x00,0x00,0x00,0x00};            /* leal 0L(%edi),%edi   */
  static const uae_u8 f32_13[] =
    {0x8d,0xb6,0x00,0x00,0x00,0x00,                     /* leal 0L(%esi),%esi   */
     0x8d,0xbc,0x27,0x00,0x00,0x00,0x00};       /* leal 0L(%edi,1),%edi */
  static const uae_u8 f32_14[] =
    {0x8d,0xb4,0x26,0x00,0x00,0x00,0x00,        /* leal 0L(%esi,1),%esi */
     0x8d,0xbc,0x27,0x00,0x00,0x00,0x00};       /* leal 0L(%edi,1),%edi */
  static const uae_u8 f32_15[] =
    {0xeb,0x0d,0x90,0x90,0x90,0x90,0x90,        /* jmp .+15; lotsa nops */
     0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90};
  static const uae_u8 f32_16[] =
    {0xeb,0x0d,0x90,0x90,0x90,0x90,0x90,        /* jmp .+15; lotsa nops */
     0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90};
  static const uae_u8 *const f32_patt[] = {
    f32_1, f32_2, f32_3, f32_4, f32_5, f32_6, f32_7, f32_8,
    f32_9, f32_10, f32_11, f32_12, f32_13, f32_14, f32_15
  };
  static const uae_u8 prefixes[4] = { 0x66, 0x66, 0x66, 0x66 };

#if defined(__x86_64__)
  /* The recommended way to pad 64bit code is to use NOPs preceded by
     maximally four 0x66 prefixes.  Balance the size of nops.  */
  if (nbytes == 0)
          return;

  int i;
  int nnops = (nbytes + 3) / 4;
  int len = nbytes / nnops;
  int remains = nbytes - nnops * len;

  for (i = 0; i < remains; i++) {
          emit_block(prefixes, len);
          raw_nop();
  }
  for (; i < nnops; i++) {
          emit_block(prefixes, len - 1);
          raw_nop();
  }
#else
  int nloops = nbytes / 16;
  while (nloops-- > 0)
        emit_block(f32_16, sizeof(f32_16));

  nbytes %= 16;
  if (nbytes)
        emit_block(f32_patt[nbytes - 1], nbytes);
#endif
}


/*************************************************************************
 * Flag handling, to and fro UAE flag register                           *
 *************************************************************************/

static __inline__ void raw_flags_evicted(int r)
{
  //live.state[FLAGTMP].status=CLEAN;
  live.state[FLAGTMP].status=INMEM;
  live.state[FLAGTMP].realreg=-1;
  /* We just "evicted" FLAGTMP. */
  if (live.nat[r].nholds!=1) {
      /* Huh? */
      abort();
  }
  live.nat[r].nholds=0;
}

#define FLAG_NREG1_FLAGREG 0  /* Set to -1 if any register will do */
static __inline__ void raw_flags_to_reg_FLAGREG(int r)
{
  raw_lahf(0);  /* Most flags in AH */
  //raw_setcc(r,0); /* V flag in AL */
  raw_setcc_m((uintptr)live.state[FLAGTMP].mem,0); 
  
#if 1   /* Let's avoid those nasty partial register stalls */
  //raw_mov_b_mr((uintptr)live.state[FLAGTMP].mem,r);
  raw_mov_b_mr(((uintptr)live.state[FLAGTMP].mem)+1,AH_INDEX);
  raw_flags_evicted(r);
#endif
}

#define FLAG_NREG2_FLAGREG 0  /* Set to -1 if any register will do */
static __inline__ void raw_reg_to_flags_FLAGREG(int r)
{
  raw_cmp_b_ri(r,-127); /* set V */
  raw_sahf(0);
}

#define FLAG_NREG3_FLAGREG 0  /* Set to -1 if any register will do */
static __inline__ void raw_flags_set_zero_FLAGREG(int s, int tmp)
{
    raw_mov_l_rr(tmp,s);
    raw_lahf(s); /* flags into ah */
    raw_and_l_ri(s,0xffffbfff);
    raw_and_l_ri(tmp,0x00004000);
    raw_xor_l_ri(tmp,0x00004000);
    raw_or_l(s,tmp);
    raw_sahf(s);
}

static __inline__ void raw_flags_init_FLAGREG(void) { }

#define FLAG_NREG1_FLAGSTK -1  /* Set to -1 if any register will do */
static __inline__ void raw_flags_to_reg_FLAGSTK(int r)
{
        raw_pushfl();
        raw_pop_l_r(r);
        raw_mov_l_mr((uintptr)live.state[FLAGTMP].mem,r);
        raw_flags_evicted(r);
}

#define FLAG_NREG2_FLAGSTK -1  /* Set to -1 if any register will do */
static __inline__ void raw_reg_to_flags_FLAGSTK(int r)
{
        raw_push_l_r(r);
        raw_popfl();
}

#define FLAG_NREG3_FLAGSTK -1  /* Set to -1 if any register will do */
static __inline__ void raw_flags_set_zero_FLAGSTK(int s, int tmp)
{
    raw_mov_l_rr(tmp,s);
    raw_pushfl();
    raw_pop_l_r(s);
    raw_and_l_ri(s,0xffffffbf);
    raw_and_l_ri(tmp,0x00000040);
    raw_xor_l_ri(tmp,0x00000040);
    raw_or_l(s,tmp);
    raw_push_l_r(s);
    raw_popfl();
}

static __inline__ void raw_flags_init_FLAGSTK(void) { }

#if defined(__x86_64__)
/* Try to use the LAHF/SETO method on x86_64 since it is faster.
   This can't be the default because some older CPUs don't support
   LAHF/SAHF in long mode.  */
static int FLAG_NREG1_FLAGGEN = 0;
static __inline__ void raw_flags_to_reg_FLAGGEN(int r)
{
        if (have_lahf_lm) {
                // NOTE: the interpreter uses the normal EFLAGS layout
                //   pushf/popf CF(0) ZF( 6) SF( 7) OF(11)
                //   sahf/lahf  CF(8) ZF(14) SF(15) OF( 0)
                assert(r == 0);
                raw_setcc(r,0);                                 /* V flag in AL */
                raw_lea_l_r_scaled(0,0,8);              /* move it to its EFLAGS location */
                raw_mov_b_mr(((uintptr)live.state[FLAGTMP].mem)+1,0);
                raw_lahf(0);                                    /* most flags in AH */
                raw_mov_b_mr((uintptr)live.state[FLAGTMP].mem,AH_INDEX);
                raw_flags_evicted(r);
        }
        else
                raw_flags_to_reg_FLAGSTK(r);
}

static int FLAG_NREG2_FLAGGEN = 0;
static __inline__ void raw_reg_to_flags_FLAGGEN(int r)
{
        if (have_lahf_lm) {
                raw_xchg_b_rr(0,AH_INDEX);
                raw_cmp_b_ri(r,-120); /* set V */
                raw_sahf(0);
        }
        else
                raw_reg_to_flags_FLAGSTK(r);
}

static int FLAG_NREG3_FLAGGEN = 0;
static __inline__ void raw_flags_set_zero_FLAGGEN(int s, int tmp)
{
        if (have_lahf_lm)
                raw_flags_set_zero_FLAGREG(s, tmp);
        else
                raw_flags_set_zero_FLAGSTK(s, tmp);
}

static __inline__ void raw_flags_init_FLAGGEN(void)
{
        if (have_lahf_lm) {
                FLAG_NREG1_FLAGGEN = FLAG_NREG1_FLAGREG;
                FLAG_NREG2_FLAGGEN = FLAG_NREG2_FLAGREG;
                FLAG_NREG1_FLAGGEN = FLAG_NREG3_FLAGREG;
        }
        else {
                FLAG_NREG1_FLAGGEN = FLAG_NREG1_FLAGSTK;
                FLAG_NREG2_FLAGGEN = FLAG_NREG2_FLAGSTK;
                FLAG_NREG1_FLAGGEN = FLAG_NREG3_FLAGSTK;
        }
}
#endif

#ifdef SAHF_SETO_PROFITABLE
#define FLAG_SUFFIX FLAGREG
#elif defined __x86_64__
#define FLAG_SUFFIX FLAGGEN
#else
#define FLAG_SUFFIX FLAGSTK
#endif

#define FLAG_GLUE_2(x, y)               x ## _ ## y
#define FLAG_GLUE_1(x, y)               FLAG_GLUE_2(x, y)
#define FLAG_GLUE(x)                    FLAG_GLUE_1(x, FLAG_SUFFIX)

#define raw_flags_init                  FLAG_GLUE(raw_flags_init)
#define FLAG_NREG1                              FLAG_GLUE(FLAG_NREG1)
#define raw_flags_to_reg                FLAG_GLUE(raw_flags_to_reg)
#define FLAG_NREG2                              FLAG_GLUE(FLAG_NREG2)
#define raw_reg_to_flags                FLAG_GLUE(raw_reg_to_flags)
#define FLAG_NREG3                              FLAG_GLUE(FLAG_NREG3)
#define raw_flags_set_zero              FLAG_GLUE(raw_flags_set_zero)

/* Apparently, there are enough instructions between flag store and
   flag reload to avoid the partial memory stall */
static __inline__ void raw_load_flagreg(uae_u32 target, uae_u32 r)
{
#if 1
    raw_mov_l_rm(target,(uintptr)live.state[r].mem);
#else
    raw_mov_b_rm(target,(uintptr)live.state[r].mem);
    raw_mov_b_rm(target+4,((uintptr)live.state[r].mem)+1);
#endif
}

/* FLAGX is byte sized, and we *do* write it at that size */
static __inline__ void raw_load_flagx(uae_u32 target, uae_u32 r)
{
    if (live.nat[target].canbyte)
        raw_mov_b_rm(target,(uintptr)live.state[r].mem);
    else if (live.nat[target].canword)
        raw_mov_w_rm(target,(uintptr)live.state[r].mem);
    else
        raw_mov_l_rm(target,(uintptr)live.state[r].mem);
}

static __inline__ void raw_dec_sp(int off)
{
    if (off) raw_sub_l_ri(ESP_INDEX,off);
}

static __inline__ void raw_inc_sp(int off)
{
    if (off) raw_add_l_ri(ESP_INDEX,off);
}

/*************************************************************************
 * Handling mistaken direct memory access                                *
 *************************************************************************/

// gb-- I don't need that part for JIT Basilisk II
#if defined(NATMEM_OFFSET) && 0
#include <asm/sigcontext.h>
#include <signal.h>

#define SIG_READ 1
#define SIG_WRITE 2

static int in_handler=0;
static uae_u8 veccode[256];

static void vec(int x, struct sigcontext sc)
{
    uae_u8* i=(uae_u8*)sc.eip;
    uae_u32 addr=sc.cr2;
    int r=-1;
    int size=4;
    int dir=-1;
    int len=0;
    int j;
    
    write_log("fault address is %08x at %08x\n",sc.cr2,sc.eip);
    if (!canbang) 
        write_log("Not happy! Canbang is 0 in SIGSEGV handler!\n");
    if (in_handler) 
        write_log("Argh --- Am already in a handler. Shouldn't happen!\n");

    if (canbang && i>=compiled_code && i<=current_compile_p) {
        if (*i==0x66) {
            i++;
            size=2;
            len++;
        }
        
        switch(i[0]) {
         case 0x8a:
                                            if ((i[1]&0xc0)==0x80) {
                r=(i[1]>>3)&7;
                dir=SIG_READ;
                size=1;
                len+=6;
                break;
            }
            break;
         case 0x88:
            if ((i[1]&0xc0)==0x80) {
                r=(i[1]>>3)&7;
                dir=SIG_WRITE;
                size=1;
                len+=6;
                break;
            }
            break;
         case 0x8b:
            if ((i[1]&0xc0)==0x80) {
                r=(i[1]>>3)&7;
                dir=SIG_READ;
                len+=6;
                break;
            }
            if ((i[1]&0xc0)==0x40) {
                r=(i[1]>>3)&7;
                dir=SIG_READ;
                len+=3;
                break;
            }
            break;
         case 0x89:
            if ((i[1]&0xc0)==0x80) {
                r=(i[1]>>3)&7;
                dir=SIG_WRITE;
                len+=6;
                break;
            }
            if ((i[1]&0xc0)==0x40) {
                r=(i[1]>>3)&7;
                dir=SIG_WRITE;
                len+=3;
                break;
            }
            break;
        }       
    }

    if (r!=-1) { 
        void* pr=NULL;
        write_log("register was %d, direction was %d, size was %d\n",r,dir,size);
        
        switch(r) {
         case 0: pr=&(sc.eax); break;
         case 1: pr=&(sc.ecx); break;
         case 2: pr=&(sc.edx); break;
         case 3: pr=&(sc.ebx); break;
         case 4: pr=(size>1)?NULL:(((uae_u8*)&(sc.eax))+1); break;
         case 5: pr=(size>1)?
                     (void*)(&(sc.ebp)):
                         (void*)(((uae_u8*)&(sc.ecx))+1); break;
         case 6: pr=(size>1)?
                     (void*)(&(sc.esi)):
                         (void*)(((uae_u8*)&(sc.edx))+1); break;
         case 7: pr=(size>1)?
                     (void*)(&(sc.edi)):
                         (void*)(((uae_u8*)&(sc.ebx))+1); break;
         default: abort();
        }
        if (pr) {
            blockinfo* bi;

            if (currprefs.comp_oldsegv) {
            addr-=NATMEM_OFFSET;

            if ((addr>=0x10000000 && addr<0x40000000) ||
                (addr>=0x50000000)) {
                write_log("Suspicious address in %x SEGV handler.\n",addr);
            }
            if (dir==SIG_READ) {
                switch(size) {
                 case 1: *((uae_u8*)pr)=get_byte(addr); break;
                 case 2: *((uae_u16*)pr)=get_word(addr); break;
                 case 4: *((uae_u32*)pr)=get_long(addr); break;
                 default: abort();
                }
            }
            else { /* write */
                switch(size) {
                 case 1: put_byte(addr,*((uae_u8*)pr)); break;
                 case 2: put_word(addr,*((uae_u16*)pr)); break;
                 case 4: put_long(addr,*((uae_u32*)pr)); break;
                 default: abort();
                }
            }
            write_log("Handled one access!\n");
            fflush(stdout);
            segvcount++;
            sc.eip+=len;
            }
            else {
                void* tmp=target;
                int i;
                uae_u8 vecbuf[5];
                
                addr-=NATMEM_OFFSET;
                
                if ((addr>=0x10000000 && addr<0x40000000) ||
                    (addr>=0x50000000)) {
                    write_log("Suspicious address in %x SEGV handler.\n",addr);
                }
                
                target=(uae_u8*)sc.eip;
                for (i=0;i<5;i++)
                    vecbuf[i]=target[i];
                emit_byte(0xe9);
                emit_long((uintptr)veccode-(uintptr)target-4);
                write_log("Create jump to %p\n",veccode);
            
                write_log("Handled one access!\n");
                fflush(stdout);
                segvcount++;
                
                target=veccode;

                if (dir==SIG_READ) {
                    switch(size) {
                     case 1: raw_mov_b_ri(r,get_byte(addr)); break;
                     case 2: raw_mov_w_ri(r,get_byte(addr)); break;
                     case 4: raw_mov_l_ri(r,get_byte(addr)); break;
                     default: abort();
                    }
                }
                else { /* write */
                    switch(size) {
                     case 1: put_byte(addr,*((uae_u8*)pr)); break;
                     case 2: put_word(addr,*((uae_u16*)pr)); break;
                     case 4: put_long(addr,*((uae_u32*)pr)); break;
                     default: abort();
                    }
                }
                for (i=0;i<5;i++)
                    raw_mov_b_mi(sc.eip+i,vecbuf[i]);
                raw_mov_l_mi((uintptr)&in_handler,0);
                emit_byte(0xe9);
                emit_long(sc.eip+len-(uintptr)target-4);
                in_handler=1;
                target=tmp;
            }
            bi=active;
            while (bi) {
                if (bi->handler && 
                    (uae_u8*)bi->direct_handler<=i &&
                    (uae_u8*)bi->nexthandler>i) {
                    write_log("deleted trigger (%p<%p<%p) %p\n",
                              bi->handler,
                              i,
                              bi->nexthandler,
                              bi->pc_p);
                    invalidate_block(bi);
                    raise_in_cl_list(bi);
                    set_special(0);
                    return;
                }
                bi=bi->next;
            }
            /* Not found in the active list. Might be a rom routine that
               is in the dormant list */
            bi=dormant;
            while (bi) {
                if (bi->handler && 
                    (uae_u8*)bi->direct_handler<=i &&
                    (uae_u8*)bi->nexthandler>i) {
                    write_log("deleted trigger (%p<%p<%p) %p\n",
                              bi->handler,
                              i,
                              bi->nexthandler,
                              bi->pc_p);
                    invalidate_block(bi);
                    raise_in_cl_list(bi);
                    set_special(0);
                    return;
                }
                bi=bi->next;
            }
            write_log("Huh? Could not find trigger!\n");
            return;
        }
    }
    write_log("Can't handle access!\n");
    for (j=0;j<10;j++) {
        write_log("instruction byte %2d is %02x\n",j,i[j]);
    }
    write_log("Please send the above info (starting at \"fault address\") to\n"
           "bmeyer@csse.monash.edu.au\n"
           "This shouldn't happen ;-)\n");
    fflush(stdout);
    signal(SIGSEGV,SIG_DFL);  /* returning here will cause a "real" SEGV */
}
#endif


/*************************************************************************
 * Checking for CPU features                                             *
 *************************************************************************/

struct cpuinfo_x86 {
  uae_u8        x86;                    // CPU family
  uae_u8        x86_vendor;             // CPU vendor
  uae_u8        x86_processor;  // CPU canonical processor type
  uae_u8        x86_brand_id;   // CPU BrandID if supported, yield 0 otherwise
  uae_u32       x86_hwcap;
  uae_u8        x86_model;
  uae_u8        x86_mask;
  int           cpuid_level;    // Maximum supported CPUID level, -1=no CPUID
  char          x86_vendor_id[16];
};
struct cpuinfo_x86 cpuinfo;

enum {
  X86_VENDOR_INTEL              = 0,
  X86_VENDOR_CYRIX              = 1,
  X86_VENDOR_AMD                = 2,
  X86_VENDOR_UMC                = 3,
  X86_VENDOR_NEXGEN             = 4,
  X86_VENDOR_CENTAUR    = 5,
  X86_VENDOR_RISE               = 6,
  X86_VENDOR_TRANSMETA  = 7,
  X86_VENDOR_NSC                = 8,
  X86_VENDOR_UNKNOWN    = 0xff
};

enum {
  X86_PROCESSOR_I386,                       /* 80386 */
  X86_PROCESSOR_I486,                       /* 80486DX, 80486SX, 80486DX[24] */
  X86_PROCESSOR_PENTIUM,
  X86_PROCESSOR_PENTIUMPRO,
  X86_PROCESSOR_K6,
  X86_PROCESSOR_ATHLON,
  X86_PROCESSOR_PENTIUM4,
  X86_PROCESSOR_X86_64,
  X86_PROCESSOR_max
};

static const char * x86_processor_string_table[X86_PROCESSOR_max] = {
  "80386",
  "80486",
  "Pentium",
  "PentiumPro",
  "K6",
  "Athlon",
  "Pentium4",
  "x86-64"
};

static struct ptt {
  const int align_loop;
  const int align_loop_max_skip;
  const int align_jump;
  const int align_jump_max_skip;
  const int align_func;
}
x86_alignments[X86_PROCESSOR_max] = {
  {  4,  3,  4,  3,  4 },
  { 16, 15, 16, 15, 16 },
  { 16,  7, 16,  7, 16 },
  { 16, 15, 16,  7, 16 },
  { 32,  7, 32,  7, 32 },
  { 16,  7, 16,  7, 16 },
  {  0,  0,  0,  0,  0 },
  { 16,  7, 16,  7, 16 }
};

static void
x86_get_cpu_vendor(struct cpuinfo_x86 *c)
{
        char *v = c->x86_vendor_id;

        if (!strcmp(v, "GenuineIntel"))
                c->x86_vendor = X86_VENDOR_INTEL;
        else if (!strcmp(v, "AuthenticAMD"))
                c->x86_vendor = X86_VENDOR_AMD;
        else if (!strcmp(v, "CyrixInstead"))
                c->x86_vendor = X86_VENDOR_CYRIX;
        else if (!strcmp(v, "Geode by NSC"))
                c->x86_vendor = X86_VENDOR_NSC;
        else if (!strcmp(v, "UMC UMC UMC "))
                c->x86_vendor = X86_VENDOR_UMC;
        else if (!strcmp(v, "CentaurHauls"))
                c->x86_vendor = X86_VENDOR_CENTAUR;
        else if (!strcmp(v, "NexGenDriven"))
                c->x86_vendor = X86_VENDOR_NEXGEN;
        else if (!strcmp(v, "RiseRiseRise"))
                c->x86_vendor = X86_VENDOR_RISE;
        else if (!strcmp(v, "GenuineTMx86") ||
                 !strcmp(v, "TransmetaCPU"))
                c->x86_vendor = X86_VENDOR_TRANSMETA;
        else
                c->x86_vendor = X86_VENDOR_UNKNOWN;
}

static void
cpuid(uae_u32 op, uae_u32 *eax, uae_u32 *ebx, uae_u32 *ecx, uae_u32 *edx)
{
  const int CPUID_SPACE = 4096;
  uae_u8* cpuid_space = (uae_u8 *)vm_acquire(CPUID_SPACE);
  if (cpuid_space == VM_MAP_FAILED)
    abort();
  vm_protect(cpuid_space, CPUID_SPACE, VM_PAGE_READ | VM_PAGE_WRITE | VM_PAGE_EXECUTE);

  static uae_u32 s_op, s_eax, s_ebx, s_ecx, s_edx;
  uae_u8* tmp=get_target();

  s_op = op;
  set_target(cpuid_space);
  raw_push_l_r(0); /* eax */
  raw_push_l_r(1); /* ecx */
  raw_push_l_r(2); /* edx */
  raw_push_l_r(3); /* ebx */
  raw_mov_l_rm(0,(uintptr)&s_op);
  raw_cpuid(0);
  raw_mov_l_mr((uintptr)&s_eax,0);
  raw_mov_l_mr((uintptr)&s_ebx,3);
  raw_mov_l_mr((uintptr)&s_ecx,1);
  raw_mov_l_mr((uintptr)&s_edx,2);
  raw_pop_l_r(3);
  raw_pop_l_r(2);
  raw_pop_l_r(1);
  raw_pop_l_r(0);
  raw_ret();
  set_target(tmp);

  ((cpuop_func*)cpuid_space)(0);
  if (eax != NULL) *eax = s_eax;
  if (ebx != NULL) *ebx = s_ebx;
  if (ecx != NULL) *ecx = s_ecx;
  if (edx != NULL) *edx = s_edx;

  vm_release(cpuid_space, CPUID_SPACE);
}

static void
raw_init_cpu(void)
{
  struct cpuinfo_x86 *c = &cpuinfo;

  /* Defaults */
  c->x86_processor = X86_PROCESSOR_max;
  c->x86_vendor = X86_VENDOR_UNKNOWN;
  c->cpuid_level = -1;                          /* CPUID not detected */
  c->x86_model = c->x86_mask = 0;       /* So far unknown... */
  c->x86_vendor_id[0] = '\0';           /* Unset */
  c->x86_hwcap = 0;
  
  /* Get vendor name */
  c->x86_vendor_id[12] = '\0';
  cpuid(0x00000000,
                (uae_u32 *)&c->cpuid_level,
                (uae_u32 *)&c->x86_vendor_id[0],
                (uae_u32 *)&c->x86_vendor_id[8],
                (uae_u32 *)&c->x86_vendor_id[4]);
  x86_get_cpu_vendor(c);

  /* Intel-defined flags: level 0x00000001 */
  c->x86_brand_id = 0;
  if ( c->cpuid_level >= 0x00000001 ) {
        uae_u32 tfms, brand_id;
        cpuid(0x00000001, &tfms, &brand_id, NULL, &c->x86_hwcap);
        c->x86 = (tfms >> 8) & 15;
        if (c->x86 == 0xf)
                c->x86 += (tfms >> 20) & 0xff; /* extended family */
        c->x86_model = (tfms >> 4) & 15;
        if (c->x86_model == 0xf)
                c->x86_model |= (tfms >> 12) & 0xf0; /* extended model */
        c->x86_brand_id = brand_id & 0xff;
        c->x86_mask = tfms & 15;
  } else {
        /* Have CPUID level 0 only - unheard of */
        c->x86 = 4;
  }

  /* AMD-defined flags: level 0x80000001 */
  uae_u32 xlvl;
  cpuid(0x80000000, &xlvl, NULL, NULL, NULL);
  if ( (xlvl & 0xffff0000) == 0x80000000 ) {
        if ( xlvl >= 0x80000001 ) {
          uae_u32 features, extra_features;
          cpuid(0x80000001, NULL, NULL, &extra_features, &features);
          if (features & (1 << 29)) {
                /* Assume x86-64 if long mode is supported */
                c->x86_processor = X86_PROCESSOR_X86_64;
          }
          if (extra_features & (1 << 0))
                  have_lahf_lm = true;
        }
  }
          
  /* Canonicalize processor ID */
  switch (c->x86) {
  case 3:
        c->x86_processor = X86_PROCESSOR_I386;
        break;
  case 4:
        c->x86_processor = X86_PROCESSOR_I486;
        break;
  case 5:
        if (c->x86_vendor == X86_VENDOR_AMD)
          c->x86_processor = X86_PROCESSOR_K6;
        else
          c->x86_processor = X86_PROCESSOR_PENTIUM;
        break;
  case 6:
        if (c->x86_vendor == X86_VENDOR_AMD)
          c->x86_processor = X86_PROCESSOR_ATHLON;
        else
          c->x86_processor = X86_PROCESSOR_PENTIUMPRO;
        break;
  case 15:
          if (c->x86_processor == X86_PROCESSOR_max) {
                  switch (c->x86_vendor) {
                  case X86_VENDOR_INTEL:
                          c->x86_processor = X86_PROCESSOR_PENTIUM4;
                          break;
                  case X86_VENDOR_AMD:
                          /* Assume a 32-bit Athlon processor if not in long mode */
                          c->x86_processor = X86_PROCESSOR_ATHLON;
                          break;
                  }
          }
          break;
  }
  if (c->x86_processor == X86_PROCESSOR_max) {
        c->x86_processor = X86_PROCESSOR_I386;
        fprintf(stderr, "Error: unknown processor type, assuming i386\n");
        fprintf(stderr, "  Family  : %d\n", c->x86);
        fprintf(stderr, "  Model   : %d\n", c->x86_model);
        fprintf(stderr, "  Mask    : %d\n", c->x86_mask);
        fprintf(stderr, "  Vendor  : %s [%d]\n", c->x86_vendor_id, c->x86_vendor);
        if (c->x86_brand_id)
          fprintf(stderr, "  BrandID : %02x\n", c->x86_brand_id);
  }

  /* Have CMOV support? */
  have_cmov = c->x86_hwcap & (1 << 15);

  /* Can the host CPU suffer from partial register stalls? */
  have_rat_stall = (c->x86_vendor == X86_VENDOR_INTEL);
#if 1
  /* It appears that partial register writes are a bad idea even on
         AMD K7 cores, even though they are not supposed to have the
         dreaded rat stall. Why? Anyway, that's why we lie about it ;-) */
  if (c->x86_processor == X86_PROCESSOR_ATHLON)
        have_rat_stall = true;
#endif

  /* Alignments */
  if (tune_alignment) {
        align_loops = x86_alignments[c->x86_processor].align_loop;
        align_jumps = x86_alignments[c->x86_processor].align_jump;
  }

  write_log("Max CPUID level=%d Processor is %s [%s]\n",
                        c->cpuid_level, c->x86_vendor_id,
                        x86_processor_string_table[c->x86_processor]);

  raw_flags_init();
}

static bool target_check_bsf(void)
{
        bool mismatch = false;
        for (int g_ZF = 0; g_ZF <= 1; g_ZF++) {
        for (int g_CF = 0; g_CF <= 1; g_CF++) {
        for (int g_OF = 0; g_OF <= 1; g_OF++) {
        for (int g_SF = 0; g_SF <= 1; g_SF++) {
                for (int value = -1; value <= 1; value++) {
                        unsigned long flags = (g_SF << 7) | (g_OF << 11) | (g_ZF << 6) | g_CF;
                        unsigned long tmp = value;
                        __asm__ __volatile__ ("push %0; popf; bsf %1,%1; pushf; pop %0"
                                                                  : "+r" (flags), "+r" (tmp) : : "cc");
                        int OF = (flags >> 11) & 1;
                        int SF = (flags >>  7) & 1;
                        int ZF = (flags >>  6) & 1;
                        int CF = flags & 1;
                        tmp = (value == 0);
                        if (ZF != tmp || SF != g_SF || OF != g_OF || CF != g_CF)
                                mismatch = true;
                }
        }}}}
        if (mismatch)
                write_log("Target CPU defines all flags on BSF instruction\n");
        return !mismatch;
}


/*************************************************************************
 * FPU stuff                                                             *
 *************************************************************************/


static __inline__ void raw_fp_init(void)
{
    int i;
    
    for (i=0;i<N_FREGS;i++)
        live.spos[i]=-2;
    live.tos=-1;  /* Stack is empty */
}

static __inline__ void raw_fp_cleanup_drop(void)
{
#if 0
    /* using FINIT instead of popping all the entries.
       Seems to have side effects --- there is display corruption in
       Quake when this is used */
    if (live.tos>1) {
        emit_byte(0x9b);
        emit_byte(0xdb);
        emit_byte(0xe3);
        live.tos=-1;
    }
#endif
    while (live.tos>=1) {
        emit_byte(0xde);
        emit_byte(0xd9);
        live.tos-=2;
    }
    while (live.tos>=0) {
        emit_byte(0xdd);
        emit_byte(0xd8);
        live.tos--;
    }
    raw_fp_init();
}

static __inline__ void make_tos(int r)
{
    int p,q;

    if (live.spos[r]<0) { /* Register not yet on stack */
        emit_byte(0xd9);
        emit_byte(0xe8);  /* Push '1' on the stack, just to grow it */
        live.tos++;
        live.spos[r]=live.tos;
        live.onstack[live.tos]=r;
        return;
    }
    /* Register is on stack */
    if (live.tos==live.spos[r])
        return;
    p=live.spos[r];
    q=live.onstack[live.tos];

    emit_byte(0xd9);
    emit_byte(0xc8+live.tos-live.spos[r]);  /* exchange it with top of stack */
    live.onstack[live.tos]=r;
    live.spos[r]=live.tos;
    live.onstack[p]=q;
    live.spos[q]=p;
}

static __inline__ void make_tos2(int r, int r2)
{
    int q;

    make_tos(r2); /* Put the reg that's supposed to end up in position2
                     on top */

    if (live.spos[r]<0) { /* Register not yet on stack */
        make_tos(r); /* This will extend the stack */
        return;
    }
    /* Register is on stack */
    emit_byte(0xd9);
    emit_byte(0xc9); /* Move r2 into position 2 */

    q=live.onstack[live.tos-1];
    live.onstack[live.tos]=q;
    live.spos[q]=live.tos;
    live.onstack[live.tos-1]=r2;
    live.spos[r2]=live.tos-1;

    make_tos(r); /* And r into 1 */
}

static __inline__ int stackpos(int r)
{
    if (live.spos[r]<0)
        abort();
    if (live.tos<live.spos[r]) {
        printf("Looking for spos for fnreg %d\n",r);
        abort();
    }
    return live.tos-live.spos[r];
}

static __inline__ void usereg(int r)
{
    if (live.spos[r]<0)
        make_tos(r);
}

/* This is called with one FP value in a reg *above* tos, which it will
   pop off the stack if necessary */
static __inline__ void tos_make(int r)
{
    if (live.spos[r]<0) {
        live.tos++;
        live.spos[r]=live.tos;
        live.onstack[live.tos]=r;
        return;
    }
    emit_byte(0xdd);
    emit_byte(0xd8+(live.tos+1)-live.spos[r]);  /* store top of stack in reg, 
                                         and pop it*/
}

/* FP helper functions */
#if USE_NEW_RTASM
#define DEFINE_OP(NAME, GEN)                    \
static inline void raw_##NAME(uint32 m)         \
{                                               \
    GEN(m, X86_NOREG, X86_NOREG, 1);            \
}
DEFINE_OP(fstl,  FSTLm);
DEFINE_OP(fstpl, FSTPLm);
DEFINE_OP(fldl,  FLDLm);
DEFINE_OP(fildl, FILDLm);
DEFINE_OP(fistl, FISTLm);
DEFINE_OP(flds,  FLDSm);
DEFINE_OP(fsts,  FSTSm);
DEFINE_OP(fstpt, FSTPTm);
DEFINE_OP(fldt,  FLDTm);
#else
#define DEFINE_OP(NAME, OP1, OP2)               \
static inline void raw_##NAME(uint32 m)         \
{                                               \
    emit_byte(OP1);                             \
    emit_byte(OP2);                             \
    emit_long(m);                               \
}
DEFINE_OP(fstl,  0xdd, 0x15);
DEFINE_OP(fstpl, 0xdd, 0x1d);
DEFINE_OP(fldl,  0xdd, 0x05);
DEFINE_OP(fildl, 0xdb, 0x05);
DEFINE_OP(fistl, 0xdb, 0x15);
DEFINE_OP(flds,  0xd9, 0x05);
DEFINE_OP(fsts,  0xd9, 0x15);
DEFINE_OP(fstpt, 0xdb, 0x3d);
DEFINE_OP(fldt,  0xdb, 0x2d);
#endif
#undef DEFINE_OP

LOWFUNC(NONE,WRITE,2,raw_fmov_mr,(MEMW m, FR r))
{
    make_tos(r);
    raw_fstl(m);
}
LENDFUNC(NONE,WRITE,2,raw_fmov_mr,(MEMW m, FR r))

LOWFUNC(NONE,WRITE,2,raw_fmov_mr_drop,(MEMW m, FR r))
{
    make_tos(r);
    raw_fstpl(m);
    live.onstack[live.tos]=-1;
    live.tos--;
    live.spos[r]=-2;
}
LENDFUNC(NONE,WRITE,2,raw_fmov_mr,(MEMW m, FR r))

LOWFUNC(NONE,READ,2,raw_fmov_rm,(FW r, MEMR m))
{
    raw_fldl(m);
    tos_make(r);
}
LENDFUNC(NONE,READ,2,raw_fmov_rm,(FW r, MEMR m))

LOWFUNC(NONE,READ,2,raw_fmovi_rm,(FW r, MEMR m))
{
    raw_fildl(m);
    tos_make(r);
}
LENDFUNC(NONE,READ,2,raw_fmovi_rm,(FW r, MEMR m))

LOWFUNC(NONE,WRITE,2,raw_fmovi_mr,(MEMW m, FR r))
{
    make_tos(r);
    raw_fistl(m);
}
LENDFUNC(NONE,WRITE,2,raw_fmovi_mr,(MEMW m, FR r))

LOWFUNC(NONE,READ,2,raw_fmovs_rm,(FW r, MEMR m))
{
    raw_flds(m);
    tos_make(r);
}
LENDFUNC(NONE,READ,2,raw_fmovs_rm,(FW r, MEMR m))

LOWFUNC(NONE,WRITE,2,raw_fmovs_mr,(MEMW m, FR r))
{
    make_tos(r);
    raw_fsts(m);
}
LENDFUNC(NONE,WRITE,2,raw_fmovs_mr,(MEMW m, FR r))

LOWFUNC(NONE,WRITE,2,raw_fmov_ext_mr,(MEMW m, FR r))
{
    int rs;

    /* Stupid x87 can't write a long double to mem without popping the 
       stack! */
    usereg(r);
    rs=stackpos(r);
    emit_byte(0xd9);     /* Get a copy to the top of stack */
    emit_byte(0xc0+rs);

    raw_fstpt(m);       /* store and pop it */
}
LENDFUNC(NONE,WRITE,2,raw_fmov_ext_mr,(MEMW m, FR r))

LOWFUNC(NONE,WRITE,2,raw_fmov_ext_mr_drop,(MEMW m, FR r))
{
    int rs;

    make_tos(r);
    raw_fstpt(m);       /* store and pop it */
    live.onstack[live.tos]=-1;
    live.tos--;
    live.spos[r]=-2;
}
LENDFUNC(NONE,WRITE,2,raw_fmov_ext_mr,(MEMW m, FR r))

LOWFUNC(NONE,READ,2,raw_fmov_ext_rm,(FW r, MEMR m))
{
    raw_fldt(m);
    tos_make(r);
}
LENDFUNC(NONE,READ,2,raw_fmov_ext_rm,(FW r, MEMR m))

LOWFUNC(NONE,NONE,1,raw_fmov_pi,(FW r))
{
    emit_byte(0xd9);
    emit_byte(0xeb);
    tos_make(r);
}
LENDFUNC(NONE,NONE,1,raw_fmov_pi,(FW r))

LOWFUNC(NONE,NONE,1,raw_fmov_log10_2,(FW r))
{
    emit_byte(0xd9);
    emit_byte(0xec);
    tos_make(r);
}
LENDFUNC(NONE,NONE,1,raw_fmov_log10_2,(FW r))

LOWFUNC(NONE,NONE,1,raw_fmov_log2_e,(FW r))
{
    emit_byte(0xd9);
    emit_byte(0xea);
    tos_make(r);
}
LENDFUNC(NONE,NONE,1,raw_fmov_log2_e,(FW r))

LOWFUNC(NONE,NONE,1,raw_fmov_loge_2,(FW r))
{
    emit_byte(0xd9);
    emit_byte(0xed);
    tos_make(r);
}
LENDFUNC(NONE,NONE,1,raw_fmov_loge_2,(FW r))

LOWFUNC(NONE,NONE,1,raw_fmov_1,(FW r))
{
    emit_byte(0xd9);
    emit_byte(0xe8);
    tos_make(r);
}
LENDFUNC(NONE,NONE,1,raw_fmov_1,(FW r))

LOWFUNC(NONE,NONE,1,raw_fmov_0,(FW r))
{
    emit_byte(0xd9);
    emit_byte(0xee);
    tos_make(r);
}
LENDFUNC(NONE,NONE,1,raw_fmov_0,(FW r))

LOWFUNC(NONE,NONE,2,raw_fmov_rr,(FW d, FR s))
{
    int ds;

    usereg(s);
    ds=stackpos(s);
    if (ds==0 && live.spos[d]>=0) {
        /* source is on top of stack, and we already have the dest */
        int dd=stackpos(d);
        emit_byte(0xdd);
        emit_byte(0xd0+dd);
    }
    else {
        emit_byte(0xd9);
        emit_byte(0xc0+ds); /* duplicate source on tos */
        tos_make(d); /* store to destination, pop if necessary */
    }
}
LENDFUNC(NONE,NONE,2,raw_fmov_rr,(FW d, FR s))

LOWFUNC(NONE,READ,4,raw_fldcw_m_indexed,(R4 index, IMM base))
{
    emit_byte(0xd9);
    emit_byte(0xa8+index);
    emit_long(base);
}
LENDFUNC(NONE,READ,4,raw_fldcw_m_indexed,(R4 index, IMM base))


LOWFUNC(NONE,NONE,2,raw_fsqrt_rr,(FW d, FR s))
{
    int ds;

    if (d!=s) {
        usereg(s);
        ds=stackpos(s);
        emit_byte(0xd9);
        emit_byte(0xc0+ds); /* duplicate source */
        emit_byte(0xd9);
        emit_byte(0xfa); /* take square root */
        tos_make(d); /* store to destination */
    }
    else {
        make_tos(d);
        emit_byte(0xd9);
        emit_byte(0xfa); /* take square root */
    }   
}
LENDFUNC(NONE,NONE,2,raw_fsqrt_rr,(FW d, FR s))

LOWFUNC(NONE,NONE,2,raw_fabs_rr,(FW d, FR s))
{
    int ds;

    if (d!=s) {
        usereg(s);
        ds=stackpos(s);
        emit_byte(0xd9);
        emit_byte(0xc0+ds); /* duplicate source */
        emit_byte(0xd9);
        emit_byte(0xe1); /* take fabs */
        tos_make(d); /* store to destination */
    }
    else {
        make_tos(d);
        emit_byte(0xd9);
        emit_byte(0xe1); /* take fabs */
    }   
}
LENDFUNC(NONE,NONE,2,raw_fabs_rr,(FW d, FR s))

LOWFUNC(NONE,NONE,2,raw_frndint_rr,(FW d, FR s))
{
    int ds;

    if (d!=s) {
        usereg(s);
        ds=stackpos(s);
        emit_byte(0xd9);
        emit_byte(0xc0+ds); /* duplicate source */
        emit_byte(0xd9);
        emit_byte(0xfc); /* take frndint */
        tos_make(d); /* store to destination */
    }
    else {
        make_tos(d);
        emit_byte(0xd9);
        emit_byte(0xfc); /* take frndint */
    }   
}
LENDFUNC(NONE,NONE,2,raw_frndint_rr,(FW d, FR s))

LOWFUNC(NONE,NONE,2,raw_fcos_rr,(FW d, FR s))
{
    int ds;

    if (d!=s) {
        usereg(s);
        ds=stackpos(s);
        emit_byte(0xd9);
        emit_byte(0xc0+ds); /* duplicate source */
        emit_byte(0xd9);
        emit_byte(0xff); /* take cos */
        tos_make(d); /* store to destination */
    }
    else {
        make_tos(d);
        emit_byte(0xd9);
        emit_byte(0xff); /* take cos */
    }   
}
LENDFUNC(NONE,NONE,2,raw_fcos_rr,(FW d, FR s))

LOWFUNC(NONE,NONE,2,raw_fsin_rr,(FW d, FR s))
{
    int ds;

    if (d!=s) {
        usereg(s);
        ds=stackpos(s);
        emit_byte(0xd9);
        emit_byte(0xc0+ds); /* duplicate source */
        emit_byte(0xd9);
        emit_byte(0xfe); /* take sin */
        tos_make(d); /* store to destination */
    }
    else {
        make_tos(d);
        emit_byte(0xd9);
        emit_byte(0xfe); /* take sin */
    }   
}
LENDFUNC(NONE,NONE,2,raw_fsin_rr,(FW d, FR s))

static const double one=1;
LOWFUNC(NONE,NONE,2,raw_ftwotox_rr,(FW d, FR s))
{
    int ds;

    usereg(s);
    ds=stackpos(s);
    emit_byte(0xd9);
    emit_byte(0xc0+ds); /* duplicate source */

    emit_byte(0xd9);
    emit_byte(0xc0);  /* duplicate top of stack. Now up to 8 high */
    emit_byte(0xd9);
    emit_byte(0xfc);  /* rndint */
    emit_byte(0xd9);
    emit_byte(0xc9);  /* swap top two elements */
    emit_byte(0xd8);
    emit_byte(0xe1);  /* subtract rounded from original */
    emit_byte(0xd9);
    emit_byte(0xf0);  /* f2xm1 */
    x86_fadd_m((uintptr)&one);  /* Add '1' without using extra stack space */
    emit_byte(0xd9);
    emit_byte(0xfd);  /* and scale it */
    emit_byte(0xdd);
    emit_byte(0xd9);  /* take he rounded value off */
    tos_make(d); /* store to destination */
}
LENDFUNC(NONE,NONE,2,raw_ftwotox_rr,(FW d, FR s))

LOWFUNC(NONE,NONE,2,raw_fetox_rr,(FW d, FR s))
{
    int ds;

    usereg(s);
    ds=stackpos(s);
    emit_byte(0xd9);
    emit_byte(0xc0+ds); /* duplicate source */
    emit_byte(0xd9);
    emit_byte(0xea);   /* fldl2e */
    emit_byte(0xde);
    emit_byte(0xc9);  /* fmulp --- multiply source by log2(e) */

    emit_byte(0xd9);
    emit_byte(0xc0);  /* duplicate top of stack. Now up to 8 high */
    emit_byte(0xd9);
    emit_byte(0xfc);  /* rndint */
    emit_byte(0xd9);
    emit_byte(0xc9);  /* swap top two elements */
    emit_byte(0xd8);
    emit_byte(0xe1);  /* subtract rounded from original */
    emit_byte(0xd9);
    emit_byte(0xf0);  /* f2xm1 */
    x86_fadd_m((uintptr)&one);  /* Add '1' without using extra stack space */
    emit_byte(0xd9);
    emit_byte(0xfd);  /* and scale it */
    emit_byte(0xdd);
    emit_byte(0xd9);  /* take he rounded value off */
    tos_make(d); /* store to destination */
}
LENDFUNC(NONE,NONE,2,raw_fetox_rr,(FW d, FR s))
 
LOWFUNC(NONE,NONE,2,raw_flog2_rr,(FW d, FR s))
{
    int ds;

    usereg(s);
    ds=stackpos(s);
    emit_byte(0xd9);
    emit_byte(0xc0+ds); /* duplicate source */
    emit_byte(0xd9);
    emit_byte(0xe8); /* push '1' */
    emit_byte(0xd9);
    emit_byte(0xc9); /* swap top two */
    emit_byte(0xd9);
    emit_byte(0xf1); /* take 1*log2(x) */
    tos_make(d); /* store to destination */
}
LENDFUNC(NONE,NONE,2,raw_flog2_rr,(FW d, FR s))


LOWFUNC(NONE,NONE,2,raw_fneg_rr,(FW d, FR s))
{
    int ds;

    if (d!=s) {
        usereg(s);
        ds=stackpos(s);
        emit_byte(0xd9);
        emit_byte(0xc0+ds); /* duplicate source */
        emit_byte(0xd9);
        emit_byte(0xe0); /* take fchs */
        tos_make(d); /* store to destination */
    }
    else {
        make_tos(d);
        emit_byte(0xd9);
        emit_byte(0xe0); /* take fchs */
    }   
}
LENDFUNC(NONE,NONE,2,raw_fneg_rr,(FW d, FR s))

LOWFUNC(NONE,NONE,2,raw_fadd_rr,(FRW d, FR s))
{
    int ds;

    usereg(s);
    usereg(d);
    
    if (live.spos[s]==live.tos) {
        /* Source is on top of stack */
        ds=stackpos(d);
        emit_byte(0xdc);
        emit_byte(0xc0+ds); /* add source to dest*/
    }
    else {
        make_tos(d);
        ds=stackpos(s);
        
        emit_byte(0xd8);
        emit_byte(0xc0+ds); /* add source to dest*/
    }
}
LENDFUNC(NONE,NONE,2,raw_fadd_rr,(FRW d, FR s))

LOWFUNC(NONE,NONE,2,raw_fsub_rr,(FRW d, FR s))
{
    int ds;

    usereg(s);
    usereg(d);
    
    if (live.spos[s]==live.tos) {
        /* Source is on top of stack */
        ds=stackpos(d);
        emit_byte(0xdc);
        emit_byte(0xe8+ds); /* sub source from dest*/
    }
    else {
        make_tos(d);
        ds=stackpos(s);
        
        emit_byte(0xd8);
        emit_byte(0xe0+ds); /* sub src from dest */
    }
}
LENDFUNC(NONE,NONE,2,raw_fsub_rr,(FRW d, FR s))

LOWFUNC(NONE,NONE,2,raw_fcmp_rr,(FR d, FR s))
{
    int ds;

    usereg(s);
    usereg(d);
    
    make_tos(d);
    ds=stackpos(s);

    emit_byte(0xdd);
    emit_byte(0xe0+ds); /* cmp dest with source*/
}
LENDFUNC(NONE,NONE,2,raw_fcmp_rr,(FR d, FR s))

LOWFUNC(NONE,NONE,2,raw_fmul_rr,(FRW d, FR s))
{
    int ds;

    usereg(s);
    usereg(d);
    
    if (live.spos[s]==live.tos) {
        /* Source is on top of stack */
        ds=stackpos(d);
        emit_byte(0xdc);
        emit_byte(0xc8+ds); /* mul dest by source*/
    }
    else {
        make_tos(d);
        ds=stackpos(s);
        
        emit_byte(0xd8);
        emit_byte(0xc8+ds); /* mul dest by source*/
    }
}
LENDFUNC(NONE,NONE,2,raw_fmul_rr,(FRW d, FR s))

LOWFUNC(NONE,NONE,2,raw_fdiv_rr,(FRW d, FR s))
{
    int ds;

    usereg(s);
    usereg(d);
    
    if (live.spos[s]==live.tos) {
        /* Source is on top of stack */
        ds=stackpos(d);
        emit_byte(0xdc);
        emit_byte(0xf8+ds); /* div dest by source */
    }
    else {
        make_tos(d);
        ds=stackpos(s);
        
        emit_byte(0xd8);
        emit_byte(0xf0+ds); /* div dest by source*/
    }
}
LENDFUNC(NONE,NONE,2,raw_fdiv_rr,(FRW d, FR s))

LOWFUNC(NONE,NONE,2,raw_frem_rr,(FRW d, FR s))
{
    int ds;

    usereg(s);
    usereg(d);
    
    make_tos2(d,s);
    ds=stackpos(s);

    if (ds!=1) {
        printf("Failed horribly in raw_frem_rr! ds is %d\n",ds);
        abort();
    }
    emit_byte(0xd9);
    emit_byte(0xf8); /* take rem from dest by source */
}
LENDFUNC(NONE,NONE,2,raw_frem_rr,(FRW d, FR s))

LOWFUNC(NONE,NONE,2,raw_frem1_rr,(FRW d, FR s))
{
    int ds;

    usereg(s);
    usereg(d);
    
    make_tos2(d,s);
    ds=stackpos(s);

    if (ds!=1) {
        printf("Failed horribly in raw_frem1_rr! ds is %d\n",ds);
        abort();
    }
    emit_byte(0xd9);
    emit_byte(0xf5); /* take rem1 from dest by source */
}
LENDFUNC(NONE,NONE,2,raw_frem1_rr,(FRW d, FR s))


LOWFUNC(NONE,NONE,1,raw_ftst_r,(FR r))
{
    make_tos(r);
    emit_byte(0xd9);  /* ftst */
    emit_byte(0xe4);
}
LENDFUNC(NONE,NONE,1,raw_ftst_r,(FR r))

/* %eax register is clobbered if target processor doesn't support fucomi */
#define FFLAG_NREG_CLOBBER_CONDITION !have_cmov
#define FFLAG_NREG EAX_INDEX

static __inline__ void raw_fflags_into_flags(int r)
{
    int p;

    usereg(r);
    p=stackpos(r);

    emit_byte(0xd9);
    emit_byte(0xee); /* Push 0 */
    emit_byte(0xd9);
    emit_byte(0xc9+p); /* swap top two around */
        if (have_cmov) {
                // gb-- fucomi is for P6 cores only, not K6-2 then...
        emit_byte(0xdb);
        emit_byte(0xe9+p); /* fucomi them */
        }
        else {
                emit_byte(0xdd);
                emit_byte(0xe1+p); /* fucom them */
                emit_byte(0x9b);
                emit_byte(0xdf);
                emit_byte(0xe0); /* fstsw ax */
                raw_sahf(0); /* sahf */
        }
    emit_byte(0xdd);
    emit_byte(0xd9+p);  /* store value back, and get rid of 0 */
}
Revision:	1.36
Committed:	2007-01-14T12:23:29Z (17 years, 8 months ago) by gbeauche
Branch:	MAIN
Changes since 1.35:	+127 -31 lines
Log Message:	Use SAHF_SETO_PROFITABLE wherever possible on x86-64, it's faster. This can't be the default because some very ancient CPUs don't support LAHF in long mode