diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/intrinsic.rs | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index f68365f6c69..dfbb5bc1731 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -127,15 +127,14 @@ fn get_simple_intrinsic<'ll>( sym::truncf64 => "llvm.trunc.f64", sym::truncf128 => "llvm.trunc.f128", - sym::rintf16 => "llvm.rint.f16", - sym::rintf32 => "llvm.rint.f32", - sym::rintf64 => "llvm.rint.f64", - sym::rintf128 => "llvm.rint.f128", - - sym::nearbyintf16 => "llvm.nearbyint.f16", - sym::nearbyintf32 => "llvm.nearbyint.f32", - sym::nearbyintf64 => "llvm.nearbyint.f64", - sym::nearbyintf128 => "llvm.nearbyint.f128", + // We could use any of `rint`, `nearbyint`, or `roundeven` + // for this -- they are all identical in semantics when + // assuming the default FP environment. + // `rint` is what we used for $forever. + sym::round_ties_even_f16 => "llvm.rint.f16", + sym::round_ties_even_f32 => "llvm.rint.f32", + sym::round_ties_even_f64 => "llvm.rint.f64", + sym::round_ties_even_f128 => "llvm.rint.f128", sym::roundf16 => "llvm.round.f16", sym::roundf32 => "llvm.round.f32", @@ -144,11 +143,6 @@ fn get_simple_intrinsic<'ll>( sym::ptr_mask => "llvm.ptrmask", - sym::roundevenf16 => "llvm.roundeven.f16", - sym::roundevenf32 => "llvm.roundeven.f32", - sym::roundevenf64 => "llvm.roundeven.f64", - sym::roundevenf128 => "llvm.roundeven.f128", - _ => return None, }; Some(cx.get_intrinsic(llvm_name)) |