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Add f16 and f128 support

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beetrees 2024-07-10 09:38:47 +01:00
parent da27b89ca5
commit d5db933f9d
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28 changed files with 384 additions and 73 deletions
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26
crates/hir-ty/src/consteval/tests.rs
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@ -1,6 +1,10 @@
use base_db::FileId;
use chalk_ir::Substitution;
use hir_def::db::DefDatabase;
use rustc_apfloat::{
ieee::{Half as f16, Quad as f128},
Float,
};
use test_fixture::WithFixture;
use test_utils::skip_slow_tests;
@ -140,6 +144,14 @@ fn bit_op() {
#[test]
fn floating_point() {
check_number(
r#"const GOAL: f128 = 2.0 + 3.0 * 5.5 - 8.;"#,
"10.5".parse::<f128>().unwrap().to_bits() as i128,
);
check_number(
r#"const GOAL: f128 = -90.0 + 36.0;"#,
"-54.0".parse::<f128>().unwrap().to_bits() as i128,
);
check_number(
r#"const GOAL: f64 = 2.0 + 3.0 * 5.5 - 8.;"#,
i128::from_le_bytes(pad16(&f64::to_le_bytes(10.5), true)),
@ -152,6 +164,20 @@ fn floating_point() {
r#"const GOAL: f32 = -90.0 + 36.0;"#,
i128::from_le_bytes(pad16(&f32::to_le_bytes(-54.0), true)),
);
check_number(
r#"const GOAL: f16 = 2.0 + 3.0 * 5.5 - 8.;"#,
i128::from_le_bytes(pad16(
&u16::try_from("10.5".parse::<f16>().unwrap().to_bits()).unwrap().to_le_bytes(),
true,
)),
);
check_number(
r#"const GOAL: f16 = -90.0 + 36.0;"#,
i128::from_le_bytes(pad16(
&u16::try_from("-54.0".parse::<f16>().unwrap().to_bits()).unwrap().to_le_bytes(),
true,
)),
);
}
#[test]

1
crates/hir-ty/src/consteval/tests/intrinsics.rs
View file

@ -411,6 +411,7 @@ fn likely() {
#[test]
fn floating_point() {
// FIXME(#17451): Add `f16` and `f128` tests once intrinsics are added.
check_number(
r#"
extern "rust-intrinsic" {