Revision 76e050c2 target-mips/op.c
| b/target-mips/op.c | ||
|---|---|---|
| 206 | 206 |
|
| 207 | 207 |
tmp = T0; |
| 208 | 208 |
T0 += T1; |
| 209 |
if ((T0 >> 31) ^ (T1 >> 31) ^ (tmp >> 31)) {
|
|
| 209 |
if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 31) {
|
|
| 210 |
/* operands of same sign, result different sign */ |
|
| 210 | 211 |
CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW); |
| 211 | 212 |
} |
| 212 | 213 |
RETURN(); |
| ... | ... | |
| 224 | 225 |
|
| 225 | 226 |
tmp = T0; |
| 226 | 227 |
T0 = (int32_t)T0 - (int32_t)T1; |
| 227 |
if (!((T0 >> 31) ^ (T1 >> 31) ^ (tmp >> 31))) {
|
|
| 228 |
if (((tmp ^ T1) & (tmp ^ T0)) >> 31) {
|
|
| 229 |
/* operands of different sign, first operand and result different sign */ |
|
| 228 | 230 |
CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW); |
| 229 | 231 |
} |
| 230 | 232 |
RETURN(); |
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