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Add cast from f16 to non-native integer

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This commit is contained in:
Antoni Boucher 2026-02-13 10:56:10 -05:00
parent 4a6f0bebfb
commit c5cb56957a
1 changed files with 11 additions and 3 deletions
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14
src/int.rs
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@ -942,7 +942,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
fn float_to_int_cast(
&self,
signed: bool,
value: RValue<'gcc>,
mut value: RValue<'gcc>,
dest_typ: Type<'gcc>,
) -> RValue<'gcc> {
let value_type = value.get_type();
@ -951,9 +951,14 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
}
debug_assert!(dest_typ.dyncast_array().is_some());
let (dest_type, param_type) = match self.type_kind(value_type) {
TypeKind::Half => (Some(self.float_type), self.float_type),
_ => (None, value_type),
};
let name_suffix = match self.type_kind(value_type) {
// cSpell:disable
TypeKind::Float => "sfti",
// Since we will cast Half to a float, we use sfti for both.
TypeKind::Half | TypeKind::Float => "sfti",
TypeKind::Double => "dfti",
TypeKind::FP128 => "tfti",
// cSpell:enable
@ -961,7 +966,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
};
let sign = if signed { "" } else { "uns" };
let func_name = format!("__fix{}{}", sign, name_suffix);
let param = self.context.new_parameter(None, value_type, "n");
let param = self.context.new_parameter(None, param_type, "n");
let func = self.context.new_function(
None,
FunctionType::Extern,
@ -970,6 +975,9 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
func_name,
false,
);
if let Some(dest_type) = dest_type {
value = self.context.new_cast(None, value, dest_type);
}
self.context.new_call(None, func, &[value])
}