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NumIntCast

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Folkert 2023-04-23 19:58:46 +02:00
parent af2ab24525
commit b663db56f0
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22
crates/compiler/gen_dev/src/lib.rs
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@ -1141,6 +1141,19 @@ trait Backend<'a> {
let intrinsic = bitcode::STR_IS_EMPTY.to_string();
self.build_fn_call(sym, intrinsic, args, arg_layouts, ret_layout);
}
LowLevel::NumIntCast => {
let source_width = match self.interner().get(arg_layouts[0]) {
Layout::Builtin(Builtin::Int(width)) => width,
_ => unreachable!(),
};
let target_width = match self.interner().get(*ret_layout) {
Layout::Builtin(Builtin::Int(width)) => width,
_ => unreachable!(),
};
self.build_num_int_cast(sym, &args[0], source_width, target_width)
}
x => todo!("low level, {:?}", x),
}
}
@ -1254,6 +1267,15 @@ trait Backend<'a> {
/// Move a returned value into `dst`
fn move_return_value(&mut self, dst: &Symbol, ret_layout: &InLayout<'a>);
/// build_num_abs stores the absolute value of src into dst.
fn build_num_int_cast(
&mut self,
dst: &Symbol,
src: &Symbol,
source: IntWidth,
target: IntWidth,
);
/// build_num_abs stores the absolute value of src into dst.
fn build_num_abs(&mut self, dst: &Symbol, src: &Symbol, layout: &InLayout<'a>);