message: Remove loc1/loc2. That intended refactoring didn't work out.
diff: @@ -2823,15 +2823,20 @@ impl FunctionCodeGenerator<CodegenError> for X64FunctionCode {
  &mut self.machine,
  &mut self.value_stack,
  |a, src1, src2, dst| {
  - let loc1 = Location::XMM(src1);
  - let loc2 = match src2 {
  - XMMOrMemory::XMM(x) => Location::XMM(x),
  - XMMOrMemory::Memory(base, disp) => Location::Memory(base, disp),
  - };
  // TODO: use temp_gpr (or at least check that src2 isn't
  // XMMOrMemory that uses AX or DX.
  - a.emit_mov(Size::S32, loc1, Location::GPR(GPR::RAX));
  - a.emit_mov(Size::S32, loc2, Location::GPR(GPR::RDX));
  + a.emit_mov(Size::S32, Location::XMM(src1), Location::GPR(GPR::RAX));
  + match src2 {
  + XMMOrMemory::XMM(x) => {
  + a.emit_mov(Size::S32, Location::XMM(x), Location::GPR(GPR::RDX))
  + }
  + XMMOrMemory::Memory(base, disp) => a.emit_mov(
  + Size::S32,
  + Location::Memory(base, disp),
  + Location::GPR(GPR::RDX),
  + ),
  + };
  +
  // TODO: we can skip this when dst is an XMM reg.
  let tmp_xmm = if src1 == XMM::XMM0 {
  if src2 == XMMOrMemory::XMM(XMM::XMM1) {
  