Revision 1b9d9ebb target-i386/helper.c
| b/target-i386/helper.c | ||
|---|---|---|
| 1879 | 1879 |
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| 1880 | 1880 |
eflags = cc_table[CC_OP].compute_all(); |
| 1881 | 1881 |
d = ldq(a0); |
| 1882 |
if (d == (((uint64_t)EDX << 32) | EAX)) {
|
|
| 1883 |
stq(a0, ((uint64_t)ECX << 32) | EBX); |
|
| 1882 |
if (d == (((uint64_t)EDX << 32) | (uint32_t)EAX)) {
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|
| 1883 |
stq(a0, ((uint64_t)ECX << 32) | (uint32_t)EBX);
|
|
| 1884 | 1884 |
eflags |= CC_Z; |
| 1885 | 1885 |
} else {
|
| 1886 | 1886 |
EDX = (uint32_t)(d >> 32); |
| ... | ... | |
| 1890 | 1890 |
CC_SRC = eflags; |
| 1891 | 1891 |
} |
| 1892 | 1892 |
|
| 1893 |
#ifdef TARGET_X86_64 |
|
| 1894 |
void helper_cmpxchg16b(target_ulong a0) |
|
| 1895 |
{
|
|
| 1896 |
uint64_t d0, d1; |
|
| 1897 |
int eflags; |
|
| 1898 |
|
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| 1899 |
eflags = cc_table[CC_OP].compute_all(); |
|
| 1900 |
d0 = ldq(a0); |
|
| 1901 |
d1 = ldq(a0 + 8); |
|
| 1902 |
if (d0 == EAX && d1 == EDX) {
|
|
| 1903 |
stq(a0, EBX); |
|
| 1904 |
stq(a0 + 8, ECX); |
|
| 1905 |
eflags |= CC_Z; |
|
| 1906 |
} else {
|
|
| 1907 |
EDX = d1; |
|
| 1908 |
EAX = d0; |
|
| 1909 |
eflags &= ~CC_Z; |
|
| 1910 |
} |
|
| 1911 |
CC_SRC = eflags; |
|
| 1912 |
} |
|
| 1913 |
#endif |
|
| 1914 |
|
|
| 1893 | 1915 |
void helper_single_step(void) |
| 1894 | 1916 |
{
|
| 1895 | 1917 |
env->dr[6] |= 0x4000; |
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