op_helper_mem.c
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#ifdef TARGET_WORDS_BIGENDIAN
#define GET_LMASK(v) ((v) & 3)
#else
#define GET_LMASK(v) (((v) & 3) ^ 3)
#endif
void glue(do_lwl, MEMSUFFIX) (uint32_t tmp)
{
#if defined (DEBUG_OP)
target_ulong sav = T0;
#endif
/* XXX: this is valid only in big-endian mode
* should be reverted for little-endian...
*/
switch (GET_LMASK(T0)) {
case 0:
T0 = tmp;
break;
case 1:
T0 = (tmp << 8) | (T1 & 0x000000FF);
break;
case 2:
T0 = (tmp << 16) | (T1 & 0x0000FFFF);
break;
case 3:
T0 = (tmp << 24) | (T1 & 0x00FFFFFF);
break;
}
#if defined (DEBUG_OP)
if (logfile) {
fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
__func__, sav, tmp, T1, T0);
}
#endif
RETURN();
}
void glue(do_lwr, MEMSUFFIX) (uint32_t tmp)
{
#if defined (DEBUG_OP)
target_ulong sav = T0;
#endif
/* XXX: this is valid only in big-endian mode
* should be reverted for little-endian...
*/
switch (GET_LMASK(T0)) {
case 0:
T0 = (tmp >> 24) | (T1 & 0xFFFFFF00);
break;
case 1:
T0 = (tmp >> 16) | (T1 & 0xFFFF0000);
break;
case 2:
T0 = (tmp >> 8) | (T1 & 0xFF000000);
break;
case 3:
T0 = tmp;
break;
}
#if defined (DEBUG_OP)
if (logfile) {
fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
__func__, sav, tmp, T1, T0);
}
#endif
RETURN();
}
uint32_t glue(do_swl, MEMSUFFIX) (uint32_t tmp)
{
#if defined (DEBUG_OP)
target_ulong sav;
#endif
#if defined (DEBUG_OP)
sav = tmp;
#endif
/* XXX: this is valid only in big-endian mode
* should be reverted for little-endian...
*/
switch (GET_LMASK(T0)) {
case 0:
tmp = T1;
break;
case 1:
tmp = (tmp & 0xFF000000) | (T1 >> 8);
break;
case 2:
tmp = (tmp & 0xFFFF0000) | (T1 >> 16);
break;
case 3:
tmp = (tmp & 0xFFFFFF00) | (T1 >> 24);
break;
}
#if defined (DEBUG_OP)
if (logfile) {
fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
__func__, T0, sav, T1, tmp);
}
#endif
RETURN();
return tmp;
}
uint32_t glue(do_swr, MEMSUFFIX) (uint32_t tmp)
{
#if defined (DEBUG_OP)
target_ulong sav;
#endif
#if defined (DEBUG_OP)
sav = tmp;
#endif
/* XXX: this is valid only in big-endian mode
* should be reverted for little-endian...
*/
switch (GET_LMASK(T0)) {
case 0:
tmp = (tmp & 0x00FFFFFF) | (T1 << 24);
break;
case 1:
tmp = (tmp & 0x0000FFFF) | (T1 << 16);
break;
case 2:
tmp = (tmp & 0x000000FF) | (T1 << 8);
break;
case 3:
tmp = T1;
break;
}
#if defined (DEBUG_OP)
if (logfile) {
fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
__func__, T0, sav, T1, tmp);
}
#endif
RETURN();
return tmp;
}