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| author | Trevor Gross <t.gross35@gmail.com> | 2025-02-23 14:30:25 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-02-23 14:30:25 -0500 |
| commit | 38b3269de41b78b9f78852a8a72334bebf64e9b7 (patch) | |
| tree | 0545fa8395c99618f0e22ce856136f922d274ced | |
| parent | 35a43a4833c032c975b97beccf266facf4583a63 (diff) | |
| parent | f1010442cc650aba832a11b95a2b1a75f23cdf0e (diff) | |
| download | rust-38b3269de41b78b9f78852a8a72334bebf64e9b7.tar.gz rust-38b3269de41b78b9f78852a8a72334bebf64e9b7.zip | |
Rollup merge of #136543 - RalfJung:round-ties-even, r=tgross35
intrinsics: unify rint, roundeven, nearbyint in a single round_ties_even intrinsic LLVM has three intrinsics here that all do the same thing (when used in the default FP environment). There's no reason Rust needs to copy that historically-grown mess -- let's just have one intrinsic and leave it up to the LLVM backend to decide how to lower that. Suggested by `@hanna-kruppe` in https://github.com/rust-lang/rust/issues/136459; Cc `@tgross35` try-job: test-various
| -rw-r--r-- | src/intrinsics/mod.rs | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/src/intrinsics/mod.rs b/src/intrinsics/mod.rs index 26f14532b45..4d9bed8652c 100644 --- a/src/intrinsics/mod.rs +++ b/src/intrinsics/mod.rs @@ -340,14 +340,10 @@ fn codegen_float_intrinsic_call<'tcx>( sym::ceilf64 => ("ceil", 1, fx.tcx.types.f64, types::F64), sym::truncf32 => ("truncf", 1, fx.tcx.types.f32, types::F32), sym::truncf64 => ("trunc", 1, fx.tcx.types.f64, types::F64), - sym::rintf32 => ("rintf", 1, fx.tcx.types.f32, types::F32), - sym::rintf64 => ("rint", 1, fx.tcx.types.f64, types::F64), + sym::round_ties_even_f32 => ("rintf", 1, fx.tcx.types.f32, types::F32), + sym::round_ties_even_f64 => ("rint", 1, fx.tcx.types.f64, types::F64), sym::roundf32 => ("roundf", 1, fx.tcx.types.f32, types::F32), sym::roundf64 => ("round", 1, fx.tcx.types.f64, types::F64), - sym::roundevenf32 => ("roundevenf", 1, fx.tcx.types.f32, types::F32), - sym::roundevenf64 => ("roundeven", 1, fx.tcx.types.f64, types::F64), - sym::nearbyintf32 => ("nearbyintf", 1, fx.tcx.types.f32, types::F32), - sym::nearbyintf64 => ("nearbyint", 1, fx.tcx.types.f64, types::F64), sym::sinf32 => ("sinf", 1, fx.tcx.types.f32, types::F32), sym::sinf64 => ("sin", 1, fx.tcx.types.f64, types::F64), sym::cosf32 => ("cosf", 1, fx.tcx.types.f32, types::F32), @@ -399,8 +395,8 @@ fn codegen_float_intrinsic_call<'tcx>( | sym::ceilf64 | sym::truncf32 | sym::truncf64 - | sym::nearbyintf32 - | sym::nearbyintf64 + | sym::round_ties_even_f32 + | sym::round_ties_even_f64 | sym::sqrtf32 | sym::sqrtf64 => { let val = match intrinsic { @@ -408,7 +404,9 @@ fn codegen_float_intrinsic_call<'tcx>( sym::floorf32 | sym::floorf64 => fx.bcx.ins().floor(args[0]), sym::ceilf32 | sym::ceilf64 => fx.bcx.ins().ceil(args[0]), sym::truncf32 | sym::truncf64 => fx.bcx.ins().trunc(args[0]), - sym::nearbyintf32 | sym::nearbyintf64 => fx.bcx.ins().nearest(args[0]), + sym::round_ties_even_f32 | sym::round_ties_even_f64 => { + fx.bcx.ins().nearest(args[0]) + } sym::sqrtf32 | sym::sqrtf64 => fx.bcx.ins().sqrt(args[0]), _ => unreachable!(), }; |