ops_template.h revision 677833bc953b6cb418c701facbdcf4aa18d6c44e
/*
* i386 micro operations (included several times to generate
* different operand sizes)
*
* Copyright (c) 2003 Fabrice Bellard
*
* 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
*/
#if DATA_BITS <= 32
#define SHIFT1_MASK 0x1f
#else
#define SHIFT1_MASK 0x3f
#endif
#if DATA_BITS == 8
#define SUFFIX b
#define DATA_STYPE int8_t
#define DATA_MASK 0xff
#define SUFFIX w
#define DATA_STYPE int16_t
#define DATA_MASK 0xffff
#define SUFFIX l
#define DATA_STYPE int32_t
#define DATA_MASK 0xffffffff
#define SUFFIX q
#define DATA_STYPE int64_t
#define DATA_MASK 0xffffffffffffffffULL
#else
#endif
/* dynamic flags computation */
{
}
{
int cf;
return cf;
}
{
}
{
int cf;
return cf;
}
{
}
{
int cf;
return cf;
}
{
}
{
int cf;
return cf;
}
{
cf = 0;
af = 0;
of = 0;
}
{
return 0;
}
{
src2 = 1;
}
#if DATA_BITS == 32
{
return CC_SRC;
}
#endif
{
src2 = 1;
}
{
af = 0; /* undefined */
/* of is defined if shift count == 1 */
}
{
}
#if DATA_BITS == 32
{
return CC_SRC & 1;
}
#endif
{
af = 0; /* undefined */
/* of is defined if shift count == 1 */
}
#if DATA_BITS == 32
{
int cf;
return cf;
}
#endif
/* NOTE: we compute the flags like the P4. On olders CPUs, only OF and
CF are modified and it is slower to do that. */
{
af = 0; /* undefined */
}
/* various optimized jumps cases */
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
/* oldies */
#if DATA_BITS >= 16
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
{
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
#endif
/* various optimized set cases */
{
}
{
}
{
}
{
}
{
}
{
}
/* shifts */
{
int count;
FORCE_RET();
}
{
int count;
FORCE_RET();
}
{
int count;
FORCE_RET();
}
#include "ops_template_mem.h"
#define MEM_WRITE 0
#include "ops_template_mem.h"
#if !defined(CONFIG_USER_ONLY)
#define MEM_WRITE 1
#include "ops_template_mem.h"
#define MEM_WRITE 2
#include "ops_template_mem.h"
#endif
/* bit operations */
#if DATA_BITS >= 16
{
int count;
}
{
int count;
}
{
int count;
}
{
int count;
}
{
}
{
int count;
if (res != 0) {
count = 0;
while ((res & 1) == 0) {
count++;
res >>= 1;
}
} else {
CC_DST = 0; /* ZF = 1 */
}
FORCE_RET();
}
{
int count;
if (res != 0) {
count--;
res <<= 1;
}
} else {
CC_DST = 0; /* ZF = 1 */
}
FORCE_RET();
}
#endif
#if DATA_BITS == 32
void OPPROTO op_update_bt_cc(void)
{
}
#endif
/* string operations */
{
}
/* port I/O */
#if DATA_BITS <= 32
{
}
{
}
{
}
{
}
{
}
{
}
#endif