Revision 76e050c2
b/target-mips/op.c | ||
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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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