Revision 9c7e37e7 target-ppc/op_helper.c
| b/target-ppc/op_helper.c | ||
|---|---|---|
| 1512 | 1512 |
/* PowerPC 601 specific instructions (POWER bridge) */ |
| 1513 | 1513 |
void do_POWER_abso (void) |
| 1514 | 1514 |
{
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| 1515 |
if ((uint32_t)T0 == INT32_MIN) {
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if ((int32_t)T0 == INT32_MIN) {
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|
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T0 = INT32_MAX; |
| 1517 | 1517 |
xer_ov = 1; |
| 1518 |
xer_so = 1; |
|
| 1519 |
} else {
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} else if ((int32_t)T0 < 0) {
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T0 = -T0; |
| 1521 | 1520 |
xer_ov = 0; |
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} else {
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xer_ov = 0; |
|
| 1522 | 1523 |
} |
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xer_so |= xer_ov; |
|
| 1523 | 1525 |
} |
| 1524 | 1526 |
|
| 1525 | 1527 |
void do_POWER_clcs (void) |
| ... | ... | |
| 1896 | 1898 |
/* Fixed-point vector arithmetic */ |
| 1897 | 1899 |
static always_inline uint32_t _do_eabs (uint32_t val) |
| 1898 | 1900 |
{
|
| 1899 |
if (val != 0x80000000) |
|
| 1900 |
val &= ~0x80000000;
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if ((val & 0x80000000) && val != 0x80000000)
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val -= val;
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| 1901 | 1903 |
|
| 1902 | 1904 |
return val; |
| 1903 | 1905 |
} |
| ... | ... | |
| 1923 | 1925 |
static always_inline uint32_t _do_eneg (uint32_t val) |
| 1924 | 1926 |
{
|
| 1925 | 1927 |
if (val != 0x80000000) |
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val ^= 0x80000000;
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val -= val;
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|
| 1927 | 1929 |
|
| 1928 | 1930 |
return val; |
| 1929 | 1931 |
} |
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