mirror of https://github.com/rust-lang/rust
41 lines
1.1 KiB
Rust
41 lines
1.1 KiB
Rust
//@ revisions: x86-avx512
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//@ [x86-avx512] compile-flags: --target=x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
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//@ [x86-avx512] compile-flags: -C target-feature=+avx512f,+avx512vl,+avx512bw,+avx512dq
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//@ [x86-avx512] needs-llvm-components: x86
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//@ [x86-avx512] min-llvm-version: 18.0
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//@ assembly-output: emit-asm
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//@ compile-flags: --crate-type=lib -O
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#![feature(no_core, lang_items, repr_simd, intrinsics)]
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#![no_core]
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#![allow(non_camel_case_types)]
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// Because we don't have core yet.
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#[lang = "sized"]
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pub trait Sized {}
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#[lang = "copy"]
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trait Copy {}
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#[repr(simd)]
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pub struct f64x4([f64; 4]);
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#[repr(simd)]
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pub struct m64x4([i64; 4]);
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#[repr(simd)]
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pub struct pf64x4([*mut f64; 4]);
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extern "rust-intrinsic" {
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fn simd_scatter<V, P, M>(values: V, pointer: P, mask: M);
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}
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// CHECK-LABEL: scatter_f64x4
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#[no_mangle]
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pub unsafe extern "C" fn scatter_f64x4(values: f64x4, ptrs: pf64x4, mask: m64x4) {
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// x86-avx512: vpsllq ymm2, ymm2, 63
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// x86-avx512-NEXT: vpmovq2m k1, ymm2
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// x86-avx512-NEXT: vscatterqpd ymmword ptr [1*ymm1] {k1}, ymm0
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simd_scatter(values, ptrs, mask)
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}
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