mirror of https://github.com/rust-lang/rust.git
38 lines
890 B
Rust
38 lines
890 B
Rust
//@ compile-flags: -O
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//@ assembly-output: emit-asm
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//@ only-x86_64
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#![crate_type = "lib"]
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#![feature(struct_target_features)]
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// Check that a struct_target_features type causes the compiler to effectively inline intrinsics.
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use std::arch::x86_64::*;
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#[target_feature(enable = "avx")]
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struct Avx {}
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#[target_feature(enable = "fma")]
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struct Fma {}
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pub fn add_simple(_: Avx, v: __m256) -> __m256 {
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// CHECK-NOT: call
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// CHECK: vaddps
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unsafe { _mm256_add_ps(v, v) }
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}
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pub fn add_complex_type(_: (&Avx, ()), v: __m256) -> __m256 {
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// CHECK-NOT: call
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// CHECK: vaddps
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unsafe { _mm256_add_ps(v, v) }
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}
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pub fn add_fma_combined(_: (&Avx, &Fma), v: __m256) -> (__m256, __m256) {
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// CHECK-NOT: call
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// CHECK-DAG: vaddps
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let r1 = unsafe { _mm256_add_ps(v, v) };
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// CHECK-DAG: vfmadd213ps
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let r2 = unsafe { _mm256_fmadd_ps(v, v, v) };
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(r1, r2)
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}
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