__ j(equal, &done);
}
__ SmiNeg(rax, rax, &done);
+ __ jmp(&slow); // zero, if not handled above, and Smi::kMinValue.
- // Either zero or Smi::kMinValue, neither of which become a smi when
- // negated. We handle negative zero here if required. We always enter
- // the runtime system if we have Smi::kMinValue.
- if (negative_zero_ == kStrictNegativeZero) {
- __ SmiCompare(rax, Smi::FromInt(0));
- __ j(not_equal, &slow);
- __ Move(rax, Factory::minus_zero_value());
- __ jmp(&done);
- } else {
- __ SmiCompare(rax, Smi::FromInt(Smi::kMinValue));
- __ j(equal, &slow);
- __ jmp(&done);
- }
// Try floating point case.
__ bind(&try_float);
} else if (FLAG_debug_code) {
assertEquals(-Infinity, one / (-4 % -2), "fiskhest2");
assertEquals(Infinity, one / (4 % 2), "fiskhest3");
assertEquals(Infinity, one / (4 % -2), "fiskhest4");
+
+
+// This tests against a singleton -0.0 object being overwritten.gc
+x = 0;
+z = 3044;
+
+function foo(x) {
+ var y = -x + z;
+ return -x;
+}
+
+assertEquals(0, foo(x));
+assertEquals(0, foo(x));