Method i64_shift

winch/codegen/src/codegen/context.rs:81–108

Prepares arguments for emitting an i64 binary operation.

(&mut self, masm: &mut M, kind: ShiftKind)

    /// Prepares arguments for emitting an i64 binary operation.
    pub fn i64_shift<M>(&mut self, masm: &mut M, kind: ShiftKind) -> Result<()>
    where
        M: MacroAssembler,
    {
        let top = self
            .stack
            .peek()
            .ok_or_else(|| CodeGenError::missing_values_in_stack())?;
        if top.is_i64_const() {
            let val = self
                .stack
                .pop_i64_const()
                .ok_or_else(|| CodeGenError::missing_values_in_stack())?;
            let typed_reg = self.pop_to_reg(masm, None)?;
            masm.shift_ir(
                writable!(typed_reg.reg),
                Imm::i64(val),
                typed_reg.reg,
                kind,
                OperandSize::S64,
            )?;
            self.stack.push(typed_reg.into());
        } else {
            masm.shift(self, kind, OperandSize::S64)?;
        };

        Ok(())
    }
}

impl<'a> CodeGenContext<'a, Prologue> {