add tests
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src/test/codegen/simd-intrinsic-float-minmax.rs
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src/test/codegen/simd-intrinsic-float-minmax.rs
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// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// compile-flags: -C no-prepopulate-passes
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#![crate_type = "lib"]
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#![feature(repr_simd, platform_intrinsics)]
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#[allow(non_camel_case_types)]
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub struct f32x4(pub f32, pub f32, pub f32, pub f32);
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extern "platform-intrinsic" {
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fn simd_fmin<T>(x: T, y: T) -> T;
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fn simd_fmax<T>(x: T, y: T) -> T;
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}
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// CHECK-LABEL: @fmin
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#[no_mangle]
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pub unsafe fn fmin(a: f32x4, b: f32x4) -> f32x4 {
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// CHECK: call <4 x float> @llvm.minnum.v4f32
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simd_fmin(a, b)
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}
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// FIXME(49261)
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// // CHECK-LABEL: @fmax
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// #[no_mangle]
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// pub unsafe fn fmax(a: f32x4, b: f32x4) -> f32x4 {
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// // CHECK: call <4 x float> @llvm.maxnum.v4f32
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// simd_fmax(a, b)
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// }
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src/test/run-fail/simd-intrinsic-float-minmax.rs
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src/test/run-fail/simd-intrinsic-float-minmax.rs
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-emscripten
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// Test that the simd_f{min,max} intrinsics produce the correct results.
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#![feature(repr_simd, platform_intrinsics)]
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#[allow(non_camel_case_types)]
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq, Debug)]
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struct f32x4(pub f32, pub f32, pub f32, pub f32);
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extern "platform-intrinsic" {
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fn simd_fmin<T>(x: T, y: T) -> T;
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fn simd_fmax<T>(x: T, y: T) -> T;
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}
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fn main() {
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let x = f32x4(1.0, 2.0, 3.0, 4.0);
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let y = f32x4(2.0, 1.0, 4.0, 3.0);
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let nan = ::std::f32::NAN;
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let n = f32x4(nan, nan, nan, nan);
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unsafe {
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let min0 = simd_fmin(x, y);
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let min1 = simd_fmin(y, x);
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assert_eq!(min0, min1);
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let e = f32x4(1.0, 1.0, 3.0, 3.0);
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assert_eq!(min0, e);
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let minn = simd_fmin(x, n);
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assert_eq!(minn, x);
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let minn = simd_fmin(y, n);
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assert_eq!(minn, y);
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// FIXME(49261)
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let max0 = simd_fmax(x, y);
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let max1 = simd_fmax(y, x);
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assert_eq!(max0, max1);
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let e = f32x4(2.0, 2.0, 4.0, 4.0);
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assert_eq!(max0, e);
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let maxn = simd_fmax(x, n);
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assert_eq!(maxn, x);
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let maxn = simd_fmax(y, n);
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assert_eq!(maxn, y);
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}
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}
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