Revision c3e10c7b target-ppc/op_helper.c
| b/target-ppc/op_helper.c | ||
|---|---|---|
| 151 | 151 |
{
|
| 152 | 152 |
T1 = T0; |
| 153 | 153 |
T0 += xer_ca + (-1); |
| 154 |
if (likely(!((uint32_t)T1 & |
|
| 155 |
((uint32_t)T1 ^ (uint32_t)T0) & (1UL << 31)))) {
|
|
| 156 |
xer_ov = 0; |
|
| 157 |
} else {
|
|
| 158 |
xer_ov = 1; |
|
| 159 |
xer_so = 1; |
|
| 160 |
} |
|
| 154 |
xer_ov = ((uint32_t)T1 & ((uint32_t)T1 ^ (uint32_t)T0)) >> 31; |
|
| 155 |
xer_so |= xer_ov; |
|
| 161 | 156 |
if (likely(T1 != 0)) |
| 162 | 157 |
xer_ca = 1; |
| 158 |
else |
|
| 159 |
xer_ca = 0; |
|
| 163 | 160 |
} |
| 164 | 161 |
|
| 165 | 162 |
#if defined(TARGET_PPC64) |
| ... | ... | |
| 167 | 164 |
{
|
| 168 | 165 |
T1 = T0; |
| 169 | 166 |
T0 += xer_ca + (-1); |
| 170 |
if (likely(!((uint64_t)T1 & |
|
| 171 |
((uint64_t)T1 ^ (uint64_t)T0) & (1ULL << 63)))) {
|
|
| 172 |
xer_ov = 0; |
|
| 173 |
} else {
|
|
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xer_ov = 1; |
|
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xer_so = 1; |
|
| 176 |
} |
|
| 167 |
xer_ov = ((uint64_t)T1 & ((uint64_t)T1 ^ (uint64_t)T0)) >> 63; |
|
| 168 |
xer_so |= xer_ov; |
|
| 177 | 169 |
if (likely(T1 != 0)) |
| 178 | 170 |
xer_ca = 1; |
| 171 |
else |
|
| 172 |
xer_ca = 0; |
|
| 179 | 173 |
} |
| 180 | 174 |
#endif |
| 181 | 175 |
|
| ... | ... | |
| 316 | 310 |
{
|
| 317 | 311 |
T1 = T0; |
| 318 | 312 |
T0 = ~T0 + xer_ca - 1; |
| 319 |
if (likely(!((uint32_t)~T1 & ((uint32_t)~T1 ^ (uint32_t)T0) & |
|
| 320 |
(1UL << 31)))) {
|
|
| 321 |
xer_ov = 0; |
|
| 322 |
} else {
|
|
| 323 |
xer_ov = 1; |
|
| 324 |
xer_so = 1; |
|
| 325 |
} |
|
| 313 |
xer_ov = ((uint32_t)~T1 & ((uint32_t)~T1 ^ (uint32_t)T0)) >> 31; |
|
| 314 |
xer_so |= xer_ov; |
|
| 326 | 315 |
if (likely((uint32_t)T1 != UINT32_MAX)) |
| 327 | 316 |
xer_ca = 1; |
| 317 |
else |
|
| 318 |
xer_ca = 0; |
|
| 328 | 319 |
} |
| 329 | 320 |
|
| 330 | 321 |
#if defined(TARGET_PPC64) |
| ... | ... | |
| 332 | 323 |
{
|
| 333 | 324 |
T1 = T0; |
| 334 | 325 |
T0 = ~T0 + xer_ca - 1; |
| 335 |
if (likely(!((uint64_t)~T1 & ((uint64_t)~T1 ^ (uint64_t)T0) & |
|
| 336 |
(1ULL << 63)))) {
|
|
| 337 |
xer_ov = 0; |
|
| 338 |
} else {
|
|
| 339 |
xer_ov = 1; |
|
| 340 |
xer_so = 1; |
|
| 341 |
} |
|
| 326 |
xer_ov = ((uint64_t)~T1 & ((uint64_t)~T1 ^ (uint64_t)T0)) >> 63; |
|
| 327 |
xer_so |= xer_ov; |
|
| 342 | 328 |
if (likely((uint64_t)T1 != UINT64_MAX)) |
| 343 | 329 |
xer_ca = 1; |
| 330 |
else |
|
| 331 |
xer_ca = 0; |
|
| 344 | 332 |
} |
| 345 | 333 |
#endif |
| 346 | 334 |
|
| ... | ... | |
| 348 | 336 |
{
|
| 349 | 337 |
T1 = T0; |
| 350 | 338 |
T0 = ~T0 + xer_ca; |
| 351 |
if (likely(!(((uint32_t)~T1 ^ UINT32_MAX) & |
|
| 352 |
((uint32_t)(~T1) ^ (uint32_t)T0) & (1UL << 31)))) {
|
|
| 353 |
xer_ov = 0; |
|
| 354 |
} else {
|
|
| 355 |
xer_ov = 1; |
|
| 356 |
xer_so = 1; |
|
| 357 |
} |
|
| 339 |
xer_ov = (((uint32_t)~T1 ^ UINT32_MAX) & |
|
| 340 |
((uint32_t)(~T1) ^ (uint32_t)T0)) >> 31; |
|
| 341 |
xer_so |= xer_ov; |
|
| 358 | 342 |
if (likely((uint32_t)T0 >= (uint32_t)~T1)) {
|
| 359 | 343 |
xer_ca = 0; |
| 360 | 344 |
} else {
|
| ... | ... | |
| 367 | 351 |
{
|
| 368 | 352 |
T1 = T0; |
| 369 | 353 |
T0 = ~T0 + xer_ca; |
| 370 |
if (likely(!(((uint64_t)~T1 ^ UINT64_MAX) & |
|
| 371 |
((uint64_t)(~T1) ^ (uint64_t)T0) & (1ULL << 63)))) {
|
|
| 372 |
xer_ov = 0; |
|
| 373 |
} else {
|
|
| 374 |
xer_ov = 1; |
|
| 375 |
xer_so = 1; |
|
| 376 |
} |
|
| 354 |
xer_ov = (((uint64_t)~T1 ^ UINT64_MAX) & |
|
| 355 |
((uint64_t)(~T1) ^ (uint64_t)T0)) >> 63; |
|
| 356 |
xer_so |= xer_ov; |
|
| 377 | 357 |
if (likely((uint64_t)T0 >= (uint64_t)~T1)) {
|
| 378 | 358 |
xer_ca = 0; |
| 379 | 359 |
} else {
|
| ... | ... | |
| 1755 | 1735 |
|
| 1756 | 1736 |
/*****************************************************************************/ |
| 1757 | 1737 |
/* Embedded PowerPC specific helpers */ |
| 1758 |
void do_405_check_ov (void) |
|
| 1759 |
{
|
|
| 1760 |
if (likely((((uint32_t)T1 ^ (uint32_t)T2) >> 31) || |
|
| 1761 |
!(((uint32_t)T0 ^ (uint32_t)T2) >> 31))) {
|
|
| 1762 |
xer_ov = 0; |
|
| 1763 |
} else {
|
|
| 1764 |
xer_ov = 1; |
|
| 1765 |
xer_so = 1; |
|
| 1766 |
} |
|
| 1767 |
} |
|
| 1768 |
|
|
| 1769 | 1738 |
void do_405_check_sat (void) |
| 1770 | 1739 |
{
|
| 1771 | 1740 |
if (!likely((((uint32_t)T1 ^ (uint32_t)T2) >> 31) || |
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