Method i64_binop

winch/codegen/src/codegen/context.rs:419–435

Prepares arguments for emitting an i64 binary operation. The `emit` function returns the `TypedReg` to put on the value stack.

(&mut self, masm: &mut M, emit: F)

    ///
    /// The `emit` function returns the `TypedReg` to put on the value stack.
    pub fn i64_binop<F, M>(&mut self, masm: &mut M, emit: F) -> Result<()>
    where
        F: FnOnce(&mut M, Reg, RegImm, OperandSize) -> Result<TypedReg>,
        M: MacroAssembler,
    {
        match self.pop_i64_const() {
            Some(val) => {
                let typed_reg = self.pop_to_reg(masm, None)?;
                let dst = emit(masm, typed_reg.reg, RegImm::i64(val), OperandSize::S64)?;
                self.stack.push(dst.into());
            }
            None => self.binop(masm, OperandSize::S64, |masm, dst, src, size| {
                emit(masm, dst, src.into(), size)
            })?,
        }
        Ok(())
    }

    /// Returns the i32 const on top of the stack or None if there isn't one.
    pub fn pop_i32_const(&mut self) -> Option<i32> {