ops_template.h - third_party/qemu - Git at Google

 /*
  *  i386 micro operations (included several times to generate
  *  different operand sizes)
  *
  *  Copyright (c) 2003 Fabrice Bellard
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 #define DATA_BITS (1 << (3 + SHIFT))
 #define SHIFT_MASK (DATA_BITS - 1)
 #define SIGN_MASK (1 << (DATA_BITS - 1))

 #if DATA_BITS == 8
 #define SUFFIX b
 #define DATA_TYPE uint8_t
 #define DATA_STYPE int8_t
 #define DATA_MASK 0xff
 #elif DATA_BITS == 16
 #define SUFFIX w
 #define DATA_TYPE uint16_t
 #define DATA_STYPE int16_t
 #define DATA_MASK 0xffff
 #elif DATA_BITS == 32
 #define SUFFIX l
 #define DATA_TYPE uint32_t
 #define DATA_STYPE int32_t
 #define DATA_MASK 0xffffffff
 #else
 #error unhandled operand size
 #endif

 /* dynamic flags computation */

 static int glue(compute_all_add, SUFFIX)(void)
 {
     int cf, pf, af, zf, sf, of;
     int src1, src2;
     src1 = CC_SRC;
     src2 = CC_DST - CC_SRC;
     cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
     pf = parity_table[(uint8_t)CC_DST];
     af = (CC_DST ^ src1 ^ src2) & 0x10;
     zf = ((DATA_TYPE)CC_DST == 0) << 6;
     sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
     of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
     return cf | pf | af | zf | sf | of;
 }

 static int glue(compute_c_add, SUFFIX)(void)
 {
     int src1, cf;
     src1 = CC_SRC;
     cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
     return cf;
 }

 static int glue(compute_all_adc, SUFFIX)(void)
 {
     int cf, pf, af, zf, sf, of;
     int src1, src2;
     src1 = CC_SRC;
     src2 = CC_DST - CC_SRC - 1;
     cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
     pf = parity_table[(uint8_t)CC_DST];
     af = (CC_DST ^ src1 ^ src2) & 0x10;
     zf = ((DATA_TYPE)CC_DST == 0) << 6;
     sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
     of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
     return cf | pf | af | zf | sf | of;
 }

 static int glue(compute_c_adc, SUFFIX)(void)
 {
     int src1, cf;
     src1 = CC_SRC;
     cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
     return cf;
 }

 static int glue(compute_all_sub, SUFFIX)(void)
 {
     int cf, pf, af, zf, sf, of;
     int src1, src2;
     src1 = CC_DST + CC_SRC;
     src2 = CC_SRC;
     cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
     pf = parity_table[(uint8_t)CC_DST];
     af = (CC_DST ^ src1 ^ src2) & 0x10;
     zf = ((DATA_TYPE)CC_DST == 0) << 6;
     sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
     of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
     return cf | pf | af | zf | sf | of;
 }

 static int glue(compute_c_sub, SUFFIX)(void)
 {
     int src1, src2, cf;
     src1 = CC_DST + CC_SRC;
     src2 = CC_SRC;
     cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
     return cf;
 }

 static int glue(compute_all_sbb, SUFFIX)(void)
 {
     int cf, pf, af, zf, sf, of;
     int src1, src2;
     src1 = CC_DST + CC_SRC + 1;
     src2 = CC_SRC;
     cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
     pf = parity_table[(uint8_t)CC_DST];
     af = (CC_DST ^ src1 ^ src2) & 0x10;
     zf = ((DATA_TYPE)CC_DST == 0) << 6;
     sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
     of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
     return cf | pf | af | zf | sf | of;
 }

 static int glue(compute_c_sbb, SUFFIX)(void)
 {
     int src1, src2, cf;
     src1 = CC_DST + CC_SRC + 1;
     src2 = CC_SRC;
     cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
     return cf;
 }

 static int glue(compute_all_logic, SUFFIX)(void)
 {
     int cf, pf, af, zf, sf, of;
     cf = 0;
     pf = parity_table[(uint8_t)CC_DST];
     af = 0;
     zf = ((DATA_TYPE)CC_DST == 0) << 6;
     sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
     of = 0;
     return cf | pf | af | zf | sf | of;
 }

 static int glue(compute_c_logic, SUFFIX)(void)
 {
     return 0;
 }

 static int glue(compute_all_inc, SUFFIX)(void)
 {
     int cf, pf, af, zf, sf, of;
     int src1, src2;
     src1 = CC_DST - 1;
     src2 = 1;
     cf = CC_SRC;
     pf = parity_table[(uint8_t)CC_DST];
     af = (CC_DST ^ src1 ^ src2) & 0x10;
     zf = ((DATA_TYPE)CC_DST == 0) << 6;
     sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
     of = ((CC_DST & DATA_MASK) == SIGN_MASK) << 11;
     return cf | pf | af | zf | sf | of;
 }

 #if DATA_BITS == 32
 static int glue(compute_c_inc, SUFFIX)(void)
 {
     return CC_SRC;
 }
 #endif

 static int glue(compute_all_dec, SUFFIX)(void)
 {
     int cf, pf, af, zf, sf, of;
     int src1, src2;
     src1 = CC_DST + 1;
     src2 = 1;
     cf = CC_SRC;
     pf = parity_table[(uint8_t)CC_DST];
     af = (CC_DST ^ src1 ^ src2) & 0x10;
     zf = ((DATA_TYPE)CC_DST == 0) << 6;
     sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
     of = ((CC_DST & DATA_MASK) == ((uint32_t)SIGN_MASK - 1)) << 11;
     return cf | pf | af | zf | sf | of;
 }

 static int glue(compute_all_shl, SUFFIX)(void)
 {
     int cf, pf, af, zf, sf, of;
     cf = (CC_SRC >> (DATA_BITS - 1)) & CC_C;
     pf = parity_table[(uint8_t)CC_DST];
     af = 0; /* undefined */
     zf = ((DATA_TYPE)CC_DST == 0) << 6;
     sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
     /* of is defined if shift count == 1 */
     of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
     return cf | pf | af | zf | sf | of;
 }

 static int glue(compute_c_shl, SUFFIX)(void)
 {
     return (CC_SRC >> (DATA_BITS - 1)) & CC_C;
 }

 #if DATA_BITS == 32
 static int glue(compute_c_sar, SUFFIX)(void)
 {
     return CC_SRC & 1;
 }
 #endif

 static int glue(compute_all_sar, SUFFIX)(void)
 {
     int cf, pf, af, zf, sf, of;
     cf = CC_SRC & 1;
     pf = parity_table[(uint8_t)CC_DST];
     af = 0; /* undefined */
     zf = ((DATA_TYPE)CC_DST == 0) << 6;
     sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
     /* of is defined if shift count == 1 */
     of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
     return cf | pf | af | zf | sf | of;
 }

 /* various optimized jumps cases */

 void OPPROTO glue(op_jb_sub, SUFFIX)(void)
 {
     int src1, src2;
     src1 = CC_DST + CC_SRC;
     src2 = CC_SRC;

     if ((DATA_TYPE)src1 < (DATA_TYPE)src2)
         JUMP_TB(PARAM1, 0, PARAM2);
     else
         JUMP_TB(PARAM1, 1, PARAM3);
     FORCE_RET();
 }

 void OPPROTO glue(op_jz_sub, SUFFIX)(void)
 {
     if ((DATA_TYPE)CC_DST == 0)
         JUMP_TB(PARAM1, 0, PARAM2);
     else
         JUMP_TB(PARAM1, 1, PARAM3);
     FORCE_RET();
 }

 void OPPROTO glue(op_jbe_sub, SUFFIX)(void)
 {
     int src1, src2;
     src1 = CC_DST + CC_SRC;
     src2 = CC_SRC;

     if ((DATA_TYPE)src1 <= (DATA_TYPE)src2)
         JUMP_TB(PARAM1, 0, PARAM2);
     else
         JUMP_TB(PARAM1, 1, PARAM3);
     FORCE_RET();
 }

 void OPPROTO glue(op_js_sub, SUFFIX)(void)
 {
     if (CC_DST & SIGN_MASK)
         JUMP_TB(PARAM1, 0, PARAM2);
     else
         JUMP_TB(PARAM1, 1, PARAM3);
     FORCE_RET();
 }

 void OPPROTO glue(op_jl_sub, SUFFIX)(void)
 {
     int src1, src2;
     src1 = CC_DST + CC_SRC;
     src2 = CC_SRC;

     if ((DATA_STYPE)src1 < (DATA_STYPE)src2)
         JUMP_TB(PARAM1, 0, PARAM2);
     else
         JUMP_TB(PARAM1, 1, PARAM3);
     FORCE_RET();
 }

 void OPPROTO glue(op_jle_sub, SUFFIX)(void)
 {
     int src1, src2;
     src1 = CC_DST + CC_SRC;
     src2 = CC_SRC;

     if ((DATA_STYPE)src1 <= (DATA_STYPE)src2)
         JUMP_TB(PARAM1, 0, PARAM2);
     else
         JUMP_TB(PARAM1, 1, PARAM3);
     FORCE_RET();
 }

 /* oldies */

 #if DATA_BITS >= 16

 void OPPROTO glue(op_loopnz, SUFFIX)(void)
 {
     unsigned int tmp;
     int eflags;
     eflags = cc_table[CC_OP].compute_all();
     tmp = (ECX - 1) & DATA_MASK;
     ECX = (ECX & ~DATA_MASK) | tmp;
     if (tmp != 0 && !(eflags & CC_Z))
         EIP = PARAM1;
     else
         EIP = PARAM2;
     FORCE_RET();
 }

 void OPPROTO glue(op_loopz, SUFFIX)(void)
 {
     unsigned int tmp;
     int eflags;
     eflags = cc_table[CC_OP].compute_all();
     tmp = (ECX - 1) & DATA_MASK;
     ECX = (ECX & ~DATA_MASK) | tmp;
     if (tmp != 0 && (eflags & CC_Z))
         EIP = PARAM1;
     else
         EIP = PARAM2;
     FORCE_RET();
 }

 void OPPROTO glue(op_loop, SUFFIX)(void)
 {
     unsigned int tmp;
     tmp = (ECX - 1) & DATA_MASK;
     ECX = (ECX & ~DATA_MASK) | tmp;
     if (tmp != 0)
         EIP = PARAM1;
     else
         EIP = PARAM2;
     FORCE_RET();
 }

 void OPPROTO glue(op_jecxz, SUFFIX)(void)
 {
     if ((DATA_TYPE)ECX == 0)
         EIP = PARAM1;
     else
         EIP = PARAM2;
     FORCE_RET();
 }

 #endif

 /* various optimized set cases */

 void OPPROTO glue(op_setb_T0_sub, SUFFIX)(void)
 {
     int src1, src2;
     src1 = CC_DST + CC_SRC;
     src2 = CC_SRC;

     T0 = ((DATA_TYPE)src1 < (DATA_TYPE)src2);
 }

 void OPPROTO glue(op_setz_T0_sub, SUFFIX)(void)
 {
     T0 = ((DATA_TYPE)CC_DST == 0);
 }

 void OPPROTO glue(op_setbe_T0_sub, SUFFIX)(void)
 {
     int src1, src2;
     src1 = CC_DST + CC_SRC;
     src2 = CC_SRC;

     T0 = ((DATA_TYPE)src1 <= (DATA_TYPE)src2);
 }

 void OPPROTO glue(op_sets_T0_sub, SUFFIX)(void)
 {
     T0 = lshift(CC_DST, -(DATA_BITS - 1)) & 1;
 }

 void OPPROTO glue(op_setl_T0_sub, SUFFIX)(void)
 {
     int src1, src2;
     src1 = CC_DST + CC_SRC;
     src2 = CC_SRC;

     T0 = ((DATA_STYPE)src1 < (DATA_STYPE)src2);
 }

 void OPPROTO glue(op_setle_T0_sub, SUFFIX)(void)
 {
     int src1, src2;
     src1 = CC_DST + CC_SRC;
     src2 = CC_SRC;

     T0 = ((DATA_STYPE)src1 <= (DATA_STYPE)src2);
 }

 /* shifts */

 void OPPROTO glue(glue(op_shl, SUFFIX), _T0_T1)(void)
 {
     int count;
     count = T1 & 0x1f;
     T0 = T0 << count;
     FORCE_RET();
 }

 void OPPROTO glue(glue(op_shr, SUFFIX), _T0_T1)(void)
 {
     int count;
     count = T1 & 0x1f;
     T0 &= DATA_MASK;
     T0 = T0 >> count;
     FORCE_RET();
 }

 void OPPROTO glue(glue(op_sar, SUFFIX), _T0_T1)(void)
 {
     int count, src;
     count = T1 & 0x1f;
     src = (DATA_STYPE)T0;
     T0 = src >> count;
     FORCE_RET();
 }

 #undef MEM_WRITE
 #include "ops_template_mem.h"

 #define MEM_WRITE
 #include "ops_template_mem.h"

 /* bit operations */
 #if DATA_BITS >= 16

 void OPPROTO glue(glue(op_bt, SUFFIX), _T0_T1_cc)(void)
 {
     int count;
     count = T1 & SHIFT_MASK;
     CC_SRC = T0 >> count;
 }

 void OPPROTO glue(glue(op_bts, SUFFIX), _T0_T1_cc)(void)
 {
     int count;
     count = T1 & SHIFT_MASK;
     T1 = T0 >> count;
     T0 |= (1 << count);
 }

 void OPPROTO glue(glue(op_btr, SUFFIX), _T0_T1_cc)(void)
 {
     int count;
     count = T1 & SHIFT_MASK;
     T1 = T0 >> count;
     T0 &= ~(1 << count);
 }

 void OPPROTO glue(glue(op_btc, SUFFIX), _T0_T1_cc)(void)
 {
     int count;
     count = T1 & SHIFT_MASK;
     T1 = T0 >> count;
     T0 ^= (1 << count);
 }

 void OPPROTO glue(glue(op_bsf, SUFFIX), _T0_cc)(void)
 {
     int res, count;
     res = T0 & DATA_MASK;
     if (res != 0) {
         count = 0;
         while ((res & 1) == 0) {
             count++;
             res >>= 1;
         }
         T0 = count;
         CC_DST = 1; /* ZF = 1 */
     } else {
         CC_DST = 0; /* ZF = 1 */
     }
     FORCE_RET();
 }

 void OPPROTO glue(glue(op_bsr, SUFFIX), _T0_cc)(void)
 {
     int res, count;
     res = T0 & DATA_MASK;
     if (res != 0) {
         count = DATA_BITS - 1;
         while ((res & SIGN_MASK) == 0) {
             count--;
             res <<= 1;
         }
         T0 = count;
         CC_DST = 1; /* ZF = 1 */
     } else {
         CC_DST = 0; /* ZF = 1 */
     }
     FORCE_RET();
 }

 #endif

 #if DATA_BITS == 32
 void OPPROTO op_update_bt_cc(void)
 {
     CC_SRC = T1;
 }
 #endif

 /* string operations */
 /* XXX: maybe use lower level instructions to ease 16 bit / segment handling */

 #define STRING_SUFFIX _fast
 #define SI_ADDR (void *)ESI
 #define DI_ADDR (void *)EDI
 #define INC_SI() ESI += inc
 #define INC_DI() EDI += inc
 #define CX ECX
 #define DEC_CX() ECX--
 #include "op_string.h"

 #define STRING_SUFFIX _a32
 #define SI_ADDR (uint8_t *)A0 + ESI
 #define DI_ADDR env->segs[R_ES].base + EDI
 #define INC_SI() ESI += inc
 #define INC_DI() EDI += inc
 #define CX ECX
 #define DEC_CX() ECX--
 #include "op_string.h"

 #define STRING_SUFFIX _a16
 #define SI_ADDR (uint8_t *)A0 + (ESI & 0xffff)
 #define DI_ADDR env->segs[R_ES].base + (EDI & 0xffff)
 #define INC_SI() ESI = (ESI & ~0xffff) | ((ESI + inc) & 0xffff)
 #define INC_DI() EDI = (EDI & ~0xffff) | ((EDI + inc) & 0xffff)
 #define CX (ECX & 0xffff)
 #define DEC_CX() ECX = (ECX & ~0xffff) | ((ECX - 1) & 0xffff)
 #include "op_string.h"

 /* port I/O */

 void OPPROTO glue(glue(op_out, SUFFIX), _T0_T1)(void)
 {
     glue(cpu_x86_out, SUFFIX)(env, T0 & 0xffff, T1 & DATA_MASK);
 }

 void OPPROTO glue(glue(op_in, SUFFIX), _T0_T1)(void)
 {
     T1 = glue(cpu_x86_in, SUFFIX)(env, T0 & 0xffff);
 }

 #undef DATA_BITS
 #undef SHIFT_MASK
 #undef SIGN_MASK
 #undef DATA_TYPE
 #undef DATA_STYPE
 #undef DATA_MASK
 #undef SUFFIX
	/*
	* i386 micro operations (included several times to generate
	* different operand sizes)
	*
	* Copyright (c) 2003 Fabrice Bellard
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2 of the License, or (at your option) any later version.
	*
	* This library 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
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/
	#define DATA_BITS (1 << (3 + SHIFT))
	#define SHIFT_MASK (DATA_BITS - 1)
	#define SIGN_MASK (1 << (DATA_BITS - 1))

	#if DATA_BITS == 8
	#define SUFFIX b
	#define DATA_TYPE uint8_t
	#define DATA_STYPE int8_t
	#define DATA_MASK 0xff
	#elif DATA_BITS == 16
	#define SUFFIX w
	#define DATA_TYPE uint16_t
	#define DATA_STYPE int16_t
	#define DATA_MASK 0xffff
	#elif DATA_BITS == 32
	#define SUFFIX l
	#define DATA_TYPE uint32_t
	#define DATA_STYPE int32_t
	#define DATA_MASK 0xffffffff
	#else
	#error unhandled operand size
	#endif

	/* dynamic flags computation */

	static int glue(compute_all_add, SUFFIX)(void)
	{
	int cf, pf, af, zf, sf, of;
	int src1, src2;
	src1 = CC_SRC;
	src2 = CC_DST - CC_SRC;
	cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
	pf = parity_table[(uint8_t)CC_DST];
	af = (CC_DST ^ src1 ^ src2) & 0x10;
	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
	return cf \| pf \| af \| zf \| sf \| of;
	}

	static int glue(compute_c_add, SUFFIX)(void)
	{
	int src1, cf;
	src1 = CC_SRC;
	cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
	return cf;
	}

	static int glue(compute_all_adc, SUFFIX)(void)
	{
	int cf, pf, af, zf, sf, of;
	int src1, src2;
	src1 = CC_SRC;
	src2 = CC_DST - CC_SRC - 1;
	cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
	pf = parity_table[(uint8_t)CC_DST];
	af = (CC_DST ^ src1 ^ src2) & 0x10;
	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
	return cf \| pf \| af \| zf \| sf \| of;
	}

	static int glue(compute_c_adc, SUFFIX)(void)
	{
	int src1, cf;
	src1 = CC_SRC;
	cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
	return cf;
	}

	static int glue(compute_all_sub, SUFFIX)(void)
	{
	int cf, pf, af, zf, sf, of;
	int src1, src2;
	src1 = CC_DST + CC_SRC;
	src2 = CC_SRC;
	cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
	pf = parity_table[(uint8_t)CC_DST];
	af = (CC_DST ^ src1 ^ src2) & 0x10;
	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
	return cf \| pf \| af \| zf \| sf \| of;
	}

	static int glue(compute_c_sub, SUFFIX)(void)
	{
	int src1, src2, cf;
	src1 = CC_DST + CC_SRC;
	src2 = CC_SRC;
	cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
	return cf;
	}

	static int glue(compute_all_sbb, SUFFIX)(void)
	{
	int cf, pf, af, zf, sf, of;
	int src1, src2;
	src1 = CC_DST + CC_SRC + 1;
	src2 = CC_SRC;
	cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
	pf = parity_table[(uint8_t)CC_DST];
	af = (CC_DST ^ src1 ^ src2) & 0x10;
	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
	return cf \| pf \| af \| zf \| sf \| of;
	}

	static int glue(compute_c_sbb, SUFFIX)(void)
	{
	int src1, src2, cf;
	src1 = CC_DST + CC_SRC + 1;
	src2 = CC_SRC;
	cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
	return cf;
	}

	static int glue(compute_all_logic, SUFFIX)(void)
	{
	int cf, pf, af, zf, sf, of;
	cf = 0;
	pf = parity_table[(uint8_t)CC_DST];
	af = 0;
	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	of = 0;
	return cf \| pf \| af \| zf \| sf \| of;
	}

	static int glue(compute_c_logic, SUFFIX)(void)
	{
	return 0;
	}

	static int glue(compute_all_inc, SUFFIX)(void)
	{
	int cf, pf, af, zf, sf, of;
	int src1, src2;
	src1 = CC_DST - 1;
	src2 = 1;
	cf = CC_SRC;
	pf = parity_table[(uint8_t)CC_DST];
	af = (CC_DST ^ src1 ^ src2) & 0x10;
	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	of = ((CC_DST & DATA_MASK) == SIGN_MASK) << 11;
	return cf \| pf \| af \| zf \| sf \| of;
	}

	#if DATA_BITS == 32
	static int glue(compute_c_inc, SUFFIX)(void)
	{
	return CC_SRC;
	}
	#endif

	static int glue(compute_all_dec, SUFFIX)(void)
	{
	int cf, pf, af, zf, sf, of;
	int src1, src2;
	src1 = CC_DST + 1;
	src2 = 1;
	cf = CC_SRC;
	pf = parity_table[(uint8_t)CC_DST];
	af = (CC_DST ^ src1 ^ src2) & 0x10;
	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	of = ((CC_DST & DATA_MASK) == ((uint32_t)SIGN_MASK - 1)) << 11;
	return cf \| pf \| af \| zf \| sf \| of;
	}

	static int glue(compute_all_shl, SUFFIX)(void)
	{
	int cf, pf, af, zf, sf, of;
	cf = (CC_SRC >> (DATA_BITS - 1)) & CC_C;
	pf = parity_table[(uint8_t)CC_DST];
	af = 0; /* undefined */
	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	/* of is defined if shift count == 1 */
	of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
	return cf \| pf \| af \| zf \| sf \| of;
	}

	static int glue(compute_c_shl, SUFFIX)(void)
	{
	return (CC_SRC >> (DATA_BITS - 1)) & CC_C;
	}

	#if DATA_BITS == 32
	static int glue(compute_c_sar, SUFFIX)(void)
	{
	return CC_SRC & 1;
	}
	#endif

	static int glue(compute_all_sar, SUFFIX)(void)
	{
	int cf, pf, af, zf, sf, of;
	cf = CC_SRC & 1;
	pf = parity_table[(uint8_t)CC_DST];
	af = 0; /* undefined */
	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	/* of is defined if shift count == 1 */
	of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
	return cf \| pf \| af \| zf \| sf \| of;
	}

	/* various optimized jumps cases */

	void OPPROTO glue(op_jb_sub, SUFFIX)(void)
	{
	int src1, src2;
	src1 = CC_DST + CC_SRC;
	src2 = CC_SRC;

	if ((DATA_TYPE)src1 < (DATA_TYPE)src2)
	JUMP_TB(PARAM1, 0, PARAM2);
	else
	JUMP_TB(PARAM1, 1, PARAM3);
	FORCE_RET();
	}

	void OPPROTO glue(op_jz_sub, SUFFIX)(void)
	{
	if ((DATA_TYPE)CC_DST == 0)
	JUMP_TB(PARAM1, 0, PARAM2);
	else
	JUMP_TB(PARAM1, 1, PARAM3);
	FORCE_RET();
	}

	void OPPROTO glue(op_jbe_sub, SUFFIX)(void)
	{
	int src1, src2;
	src1 = CC_DST + CC_SRC;
	src2 = CC_SRC;

	if ((DATA_TYPE)src1 <= (DATA_TYPE)src2)
	JUMP_TB(PARAM1, 0, PARAM2);
	else
	JUMP_TB(PARAM1, 1, PARAM3);
	FORCE_RET();
	}

	void OPPROTO glue(op_js_sub, SUFFIX)(void)
	{
	if (CC_DST & SIGN_MASK)
	JUMP_TB(PARAM1, 0, PARAM2);
	else
	JUMP_TB(PARAM1, 1, PARAM3);
	FORCE_RET();
	}

	void OPPROTO glue(op_jl_sub, SUFFIX)(void)
	{
	int src1, src2;
	src1 = CC_DST + CC_SRC;
	src2 = CC_SRC;

	if ((DATA_STYPE)src1 < (DATA_STYPE)src2)
	JUMP_TB(PARAM1, 0, PARAM2);
	else
	JUMP_TB(PARAM1, 1, PARAM3);
	FORCE_RET();
	}

	void OPPROTO glue(op_jle_sub, SUFFIX)(void)
	{
	int src1, src2;
	src1 = CC_DST + CC_SRC;
	src2 = CC_SRC;

	if ((DATA_STYPE)src1 <= (DATA_STYPE)src2)
	JUMP_TB(PARAM1, 0, PARAM2);
	else
	JUMP_TB(PARAM1, 1, PARAM3);
	FORCE_RET();
	}

	/* oldies */

	#if DATA_BITS >= 16

	void OPPROTO glue(op_loopnz, SUFFIX)(void)
	{
	unsigned int tmp;
	int eflags;
	eflags = cc_table[CC_OP].compute_all();
	tmp = (ECX - 1) & DATA_MASK;
	ECX = (ECX & ~DATA_MASK) \| tmp;
	if (tmp != 0 && !(eflags & CC_Z))
	EIP = PARAM1;
	else
	EIP = PARAM2;
	FORCE_RET();
	}

	void OPPROTO glue(op_loopz, SUFFIX)(void)
	{
	unsigned int tmp;
	int eflags;
	eflags = cc_table[CC_OP].compute_all();
	tmp = (ECX - 1) & DATA_MASK;
	ECX = (ECX & ~DATA_MASK) \| tmp;
	if (tmp != 0 && (eflags & CC_Z))
	EIP = PARAM1;
	else
	EIP = PARAM2;
	FORCE_RET();
	}

	void OPPROTO glue(op_loop, SUFFIX)(void)
	{
	unsigned int tmp;
	tmp = (ECX - 1) & DATA_MASK;
	ECX = (ECX & ~DATA_MASK) \| tmp;
	if (tmp != 0)
	EIP = PARAM1;
	else
	EIP = PARAM2;
	FORCE_RET();
	}

	void OPPROTO glue(op_jecxz, SUFFIX)(void)
	{
	if ((DATA_TYPE)ECX == 0)
	EIP = PARAM1;
	else
	EIP = PARAM2;
	FORCE_RET();
	}

	#endif

	/* various optimized set cases */

	void OPPROTO glue(op_setb_T0_sub, SUFFIX)(void)
	{
	int src1, src2;
	src1 = CC_DST + CC_SRC;
	src2 = CC_SRC;

	T0 = ((DATA_TYPE)src1 < (DATA_TYPE)src2);
	}

	void OPPROTO glue(op_setz_T0_sub, SUFFIX)(void)
	{
	T0 = ((DATA_TYPE)CC_DST == 0);
	}

	void OPPROTO glue(op_setbe_T0_sub, SUFFIX)(void)
	{
	int src1, src2;
	src1 = CC_DST + CC_SRC;
	src2 = CC_SRC;

	T0 = ((DATA_TYPE)src1 <= (DATA_TYPE)src2);
	}

	void OPPROTO glue(op_sets_T0_sub, SUFFIX)(void)
	{
	T0 = lshift(CC_DST, -(DATA_BITS - 1)) & 1;
	}

	void OPPROTO glue(op_setl_T0_sub, SUFFIX)(void)
	{
	int src1, src2;
	src1 = CC_DST + CC_SRC;
	src2 = CC_SRC;

	T0 = ((DATA_STYPE)src1 < (DATA_STYPE)src2);
	}

	void OPPROTO glue(op_setle_T0_sub, SUFFIX)(void)
	{
	int src1, src2;
	src1 = CC_DST + CC_SRC;
	src2 = CC_SRC;

	T0 = ((DATA_STYPE)src1 <= (DATA_STYPE)src2);
	}

	/* shifts */

	void OPPROTO glue(glue(op_shl, SUFFIX), _T0_T1)(void)
	{
	int count;
	count = T1 & 0x1f;
	T0 = T0 << count;
	FORCE_RET();
	}

	void OPPROTO glue(glue(op_shr, SUFFIX), _T0_T1)(void)
	{
	int count;
	count = T1 & 0x1f;
	T0 &= DATA_MASK;
	T0 = T0 >> count;
	FORCE_RET();
	}

	void OPPROTO glue(glue(op_sar, SUFFIX), _T0_T1)(void)
	{
	int count, src;
	count = T1 & 0x1f;
	src = (DATA_STYPE)T0;
	T0 = src >> count;
	FORCE_RET();
	}

	#undef MEM_WRITE
	#include "ops_template_mem.h"

	#define MEM_WRITE
	#include "ops_template_mem.h"

	/* bit operations */
	#if DATA_BITS >= 16

	void OPPROTO glue(glue(op_bt, SUFFIX), _T0_T1_cc)(void)
	{
	int count;
	count = T1 & SHIFT_MASK;
	CC_SRC = T0 >> count;
	}

	void OPPROTO glue(glue(op_bts, SUFFIX), _T0_T1_cc)(void)
	{
	int count;
	count = T1 & SHIFT_MASK;
	T1 = T0 >> count;
	T0 \|= (1 << count);
	}

	void OPPROTO glue(glue(op_btr, SUFFIX), _T0_T1_cc)(void)
	{
	int count;
	count = T1 & SHIFT_MASK;
	T1 = T0 >> count;
	T0 &= ~(1 << count);
	}

	void OPPROTO glue(glue(op_btc, SUFFIX), _T0_T1_cc)(void)
	{
	int count;
	count = T1 & SHIFT_MASK;
	T1 = T0 >> count;
	T0 ^= (1 << count);
	}

	void OPPROTO glue(glue(op_bsf, SUFFIX), _T0_cc)(void)
	{
	int res, count;
	res = T0 & DATA_MASK;
	if (res != 0) {
	count = 0;
	while ((res & 1) == 0) {
	count++;
	res >>= 1;
	}
	T0 = count;
	CC_DST = 1; /* ZF = 1 */
	} else {
	CC_DST = 0; /* ZF = 1 */
	}
	FORCE_RET();
	}

	void OPPROTO glue(glue(op_bsr, SUFFIX), _T0_cc)(void)
	{
	int res, count;
	res = T0 & DATA_MASK;
	if (res != 0) {
	count = DATA_BITS - 1;
	while ((res & SIGN_MASK) == 0) {
	count--;
	res <<= 1;
	}
	T0 = count;
	CC_DST = 1; /* ZF = 1 */
	} else {
	CC_DST = 0; /* ZF = 1 */
	}
	FORCE_RET();
	}

	#endif

	#if DATA_BITS == 32
	void OPPROTO op_update_bt_cc(void)
	{
	CC_SRC = T1;
	}
	#endif

	/* string operations */
	/* XXX: maybe use lower level instructions to ease 16 bit / segment handling */

	#define STRING_SUFFIX _fast
	#define SI_ADDR (void *)ESI
	#define DI_ADDR (void *)EDI
	#define INC_SI() ESI += inc
	#define INC_DI() EDI += inc
	#define CX ECX
	#define DEC_CX() ECX--
	#include "op_string.h"

	#define STRING_SUFFIX _a32
	#define SI_ADDR (uint8_t *)A0 + ESI
	#define DI_ADDR env->segs[R_ES].base + EDI
	#define INC_SI() ESI += inc
	#define INC_DI() EDI += inc
	#define CX ECX
	#define DEC_CX() ECX--
	#include "op_string.h"

	#define STRING_SUFFIX _a16
	#define SI_ADDR (uint8_t *)A0 + (ESI & 0xffff)
	#define DI_ADDR env->segs[R_ES].base + (EDI & 0xffff)
	#define INC_SI() ESI = (ESI & ~0xffff) \| ((ESI + inc) & 0xffff)
	#define INC_DI() EDI = (EDI & ~0xffff) \| ((EDI + inc) & 0xffff)
	#define CX (ECX & 0xffff)
	#define DEC_CX() ECX = (ECX & ~0xffff) \| ((ECX - 1) & 0xffff)
	#include "op_string.h"

	/* port I/O */

	void OPPROTO glue(glue(op_out, SUFFIX), _T0_T1)(void)
	{
	glue(cpu_x86_out, SUFFIX)(env, T0 & 0xffff, T1 & DATA_MASK);
	}

	void OPPROTO glue(glue(op_in, SUFFIX), _T0_T1)(void)
	{
	T1 = glue(cpu_x86_in, SUFFIX)(env, T0 & 0xffff);
	}

	#undef DATA_BITS
	#undef SHIFT_MASK
	#undef SIGN_MASK
	#undef DATA_TYPE
	#undef DATA_STYPE
	#undef DATA_MASK
	#undef SUFFIX