}
} else if (left.is(left_arg)) {
__ mov(right_arg, right);
+ } else if (right.is(right_arg)) {
+ __ mov(left_arg, left);
} else if (left.is(right_arg)) {
if (IsOperationCommutative()) {
__ mov(left_arg, right);
__ mov(right_arg, right);
__ mov(left_arg, left);
}
- } else if (right.is(right_arg)) {
- __ mov(left_arg, left);
} else {
// Order of moves is not important.
__ mov(left_arg, left);
__ mov(left_arg, Immediate(right));
SetArgsReversed();
} else {
+ // For non-commutative operations, left and right_arg might be
+ // the same register. Therefore, the order of the moves is
+ // important here in order to not overwrite left before moving
+ // it to left_arg.
__ mov(left_arg, left);
__ mov(right_arg, Immediate(right));
}
__ mov(right_arg, Immediate(left));
SetArgsReversed();
} else {
- __ mov(left_arg, Immediate(left));
+ // For non-commutative operations, right and left_arg might be
+ // the same register. Therefore, the order of the moves is
+ // important here in order to not overwrite right before moving
+ // it to right_arg.
__ mov(right_arg, right);
+ __ mov(left_arg, Immediate(left));
}
// Update flags to indicate that arguments are in registers.
SetArgsInRegisters();
}
} else if (left.is(left_arg)) {
__ movq(right_arg, right);
+ } else if (right.is(right_arg)) {
+ __ movq(left_arg, left);
} else if (left.is(right_arg)) {
if (IsOperationCommutative()) {
__ movq(left_arg, right);
__ movq(right_arg, right);
__ movq(left_arg, left);
}
- } else if (right.is(right_arg)) {
- __ movq(left_arg, left);
} else {
// Order of moves is not important.
__ movq(left_arg, left);
__ Move(left_arg, right);
SetArgsReversed();
} else {
+ // For non-commutative operations, left and right_arg might be
+ // the same register. Therefore, the order of the moves is
+ // important here in order to not overwrite left before moving
+ // it to left_arg.
__ movq(left_arg, left);
__ Move(right_arg, right);
}
__ Move(right_arg, left);
SetArgsReversed();
} else {
- __ Move(left_arg, left);
+ // For non-commutative operations, right and left_arg might be
+ // the same register. Therefore, the order of the moves is
+ // important here in order to not overwrite right before moving
+ // it to right_arg.
__ movq(right_arg, right);
+ __ Move(left_arg, left);
}
// Update flags to indicate that arguments are in registers.
SetArgsInRegisters();