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| author | sayantn <sayantan.chakraborty@students.iiserpune.ac.in> | 2024-08-04 02:32:03 +0530 |
|---|---|---|
| committer | sayantn <sayantan.chakraborty@students.iiserpune.ac.in> | 2024-08-04 03:08:18 +0530 |
| commit | 2cde11f2d145d031b26fe22a3e7d2e278bc0e6ba (patch) | |
| tree | 9dc08d18e96bfdd958a219688ff7a1fad7fb1ea2 | |
| parent | bbf60c897e18a72923129c63ff33ce2de2968815 (diff) | |
| download | rust-2cde11f2d145d031b26fe22a3e7d2e278bc0e6ba.tar.gz rust-2cde11f2d145d031b26fe22a3e7d2e278bc0e6ba.zip | |
Chore: add `x86_amx_intrinsics` feature flag to `core/lib.rs` and remove `issue-120720-reduce-nan.rs`
| -rw-r--r-- | library/core/src/lib.rs | 1 | ||||
| -rw-r--r-- | tests/codegen/simd/issue-120720-reduce-nan.rs | 21 |
2 files changed, 1 insertions, 21 deletions
diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index 9306581dca9..e74900ff747 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -264,6 +264,7 @@ #![feature(sse4a_target_feature)] #![feature(tbm_target_feature)] #![feature(wasm_target_feature)] +#![feature(x86_amx_intrinsics)] // tidy-alphabetical-end // allow using `core::` in intra-doc links diff --git a/tests/codegen/simd/issue-120720-reduce-nan.rs b/tests/codegen/simd/issue-120720-reduce-nan.rs deleted file mode 100644 index 13af0bb076e..00000000000 --- a/tests/codegen/simd/issue-120720-reduce-nan.rs +++ /dev/null @@ -1,21 +0,0 @@ -//@ compile-flags: -C opt-level=3 -C target-cpu=cannonlake -//@ only-x86_64 - -// In a previous implementation, _mm512_reduce_add_pd did the reduction with all fast-math flags -// enabled, making it UB to reduce a vector containing a NaN. - -#![crate_type = "lib"] -#![feature(stdarch_x86_avx512, avx512_target_feature)] -use std::arch::x86_64::*; - -// CHECK-LABEL: @demo( -#[no_mangle] -#[target_feature(enable = "avx512f")] // Function-level target feature mismatches inhibit inlining -pub unsafe fn demo() -> bool { - // CHECK: %0 = tail call reassoc double @llvm.vector.reduce.fadd.v8f64( - // CHECK: %_0.i = fcmp uno double %0, 0.000000e+00 - // CHECK: ret i1 %_0.i - let res = - unsafe { _mm512_reduce_add_pd(_mm512_set_pd(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, f64::NAN)) }; - res.is_nan() -} |