DeoptimizeIf(zero, instr->environment());
}
- if (!instr->hydrogen()->CheckFlag(HValue::kLeftCanBeMinInt)) {
- __ sar(dividend, shift);
+ // Dividing by -1 is basically negation, unless we overflow.
+ if (divisor == -1) {
+ if (instr->hydrogen()->CheckFlag(HValue::kLeftCanBeMinInt)) {
+ DeoptimizeIf(overflow, instr->environment());
+ }
return;
}
- // Dividing by -1 is basically negation, unless we overflow.
- if (divisor == -1) {
- DeoptimizeIf(overflow, instr->environment());
+ // If the negation could not overflow, simply shifting is OK.
+ if (!instr->hydrogen()->CheckFlag(HValue::kLeftCanBeMinInt)) {
+ __ sar(dividend, shift);
return;
}