Lines Matching refs:overflow
1508 // Check for overflow and NaNs.
2243 // slt instructions. We could use sub or add instead but we would miss overflow
4755 void MacroAssembler::SmiTagCheckOverflow(Register reg, Register overflow) {
4756 ASSERT(!reg.is(overflow));
4757 mov(overflow, reg); // Save original value.
4759 xor_(overflow, overflow, reg); // Overflow if (value ^ 2 * value) < 0.
4765 Register overflow) {
4768 SmiTagCheckOverflow(dst, overflow);
4771 ASSERT(!dst.is(overflow));
4772 ASSERT(!src.is(overflow));
4774 xor_(overflow, dst, src); // Overflow if (value ^ 2 * value) < 0.
5413 // sll may overflow, making the check conservative.
