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/*
* 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
*/
#ifdef MEM_WRITE
#if MEM_WRITE == 0
#if DATA_BITS == 8
#define MEM_SUFFIX b_raw
#elif DATA_BITS == 16
#define MEM_SUFFIX w_raw
#elif DATA_BITS == 32
#define MEM_SUFFIX l_raw
#elif DATA_BITS == 64
#define MEM_SUFFIX q_raw
#endif
#elif MEM_WRITE == 1
#if DATA_BITS == 8
#define MEM_SUFFIX b_kernel
#elif DATA_BITS == 16
#define MEM_SUFFIX w_kernel
#elif DATA_BITS == 32
#define MEM_SUFFIX l_kernel
#elif DATA_BITS == 64
#define MEM_SUFFIX q_kernel
#endif
#elif MEM_WRITE == 2
#if DATA_BITS == 8
#define MEM_SUFFIX b_user
#elif DATA_BITS == 16
#define MEM_SUFFIX w_user
#elif DATA_BITS == 32
#define MEM_SUFFIX l_user
#elif DATA_BITS == 64
#define MEM_SUFFIX q_user
#endif
#else
#error invalid MEM_WRITE
#endif
#else
#define MEM_SUFFIX SUFFIX
#endif
/* carry add/sub (we only need to set CC_OP differently) */
void OPPROTO glue(glue(op_adc, MEM_SUFFIX), _T0_T1_cc)(void)
{
int cf;
cf = cc_table[CC_OP].compute_c();
T0 = T0 + T1 + cf;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = T1;
CC_DST = T0;
CC_OP = CC_OP_ADDB + SHIFT + cf * 4;
}
void OPPROTO glue(glue(op_sbb, MEM_SUFFIX), _T0_T1_cc)(void)
{
int cf;
cf = cc_table[CC_OP].compute_c();
T0 = T0 - T1 - cf;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
CC_SRC = T1;
CC_DST = T0;
CC_OP = CC_OP_SUBB + SHIFT + cf * 4;
}
void OPPROTO glue(glue(op_cmpxchg, MEM_SUFFIX), _T0_T1_EAX_cc)(void)
{
target_ulong src, dst;
src = T0;
dst = EAX - T0;
if ((DATA_TYPE)dst == 0) {
T0 = T1;
#ifdef MEM_WRITE
glue(st, MEM_SUFFIX)(A0, T0);
#endif
} else {
EAX = (EAX & ~DATA_MASK) | (T0 & DATA_MASK);
}
CC_SRC = src;
CC_DST = dst;
FORCE_RET();
}
#undef MEM_SUFFIX
#undef MEM_WRITE
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