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Add "algebraic" versions of the fast-math intrinsics

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This commit is contained in:
Ben Kimock 2024-02-06 14:32:00 -05:00
parent c9a7db6e20
commit cc73b71e8e
12 changed files with 226 additions and 14 deletions
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12
compiler/rustc_hir_analysis/src/check/intrinsic.rs
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@ -123,7 +123,12 @@ pub fn intrinsic_operation_unsafety(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId) -
| sym::variant_count
| sym::is_val_statically_known
| sym::ptr_mask
| sym::debug_assertions => hir::Unsafety::Normal,
| sym::debug_assertions
| sym::fadd_algebraic
| sym::fsub_algebraic
| sym::fmul_algebraic
| sym::fdiv_algebraic
| sym::frem_algebraic => hir::Unsafety::Normal,
_ => hir::Unsafety::Unsafe,
};
@ -405,6 +410,11 @@ pub fn check_intrinsic_type(
sym::fadd_fast | sym::fsub_fast | sym::fmul_fast | sym::fdiv_fast | sym::frem_fast => {
(1, 0, vec![param(0), param(0)], param(0))
}
sym::fadd_algebraic
| sym::fsub_algebraic
| sym::fmul_algebraic
| sym::fdiv_algebraic
| sym::frem_algebraic => (1, 0, vec![param(0), param(0)], param(0)),
sym::float_to_int_unchecked => (2, 0, vec![param(0)], param(1)),
sym::assume => (0, 0, vec![tcx.types.bool], Ty::new_unit(tcx)),