mirror of
https://github.com/rust-lang/rust.git
synced 2025-05-14 02:49:40 +00:00
aa14931503
llvm/llvm-project#122530 changes LLVM to use sized-word rather than ymmword for scatter gather pointers. While this will not always be qword, it is for these two tests.
40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
Rust
//@ revisions: x86-avx512
|
|
//@ [x86-avx512] compile-flags: --target=x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
|
|
//@ [x86-avx512] compile-flags: -C target-feature=+avx512f,+avx512vl,+avx512bw,+avx512dq
|
|
//@ [x86-avx512] needs-llvm-components: x86
|
|
//@ assembly-output: emit-asm
|
|
//@ compile-flags: --crate-type=lib -O -C panic=abort
|
|
|
|
#![feature(no_core, lang_items, repr_simd, intrinsics)]
|
|
#![no_core]
|
|
#![allow(non_camel_case_types)]
|
|
|
|
// Because we don't have core yet.
|
|
#[lang = "sized"]
|
|
pub trait Sized {}
|
|
|
|
#[lang = "copy"]
|
|
trait Copy {}
|
|
|
|
#[repr(simd)]
|
|
pub struct f64x4([f64; 4]);
|
|
|
|
#[repr(simd)]
|
|
pub struct m64x4([i64; 4]);
|
|
|
|
#[repr(simd)]
|
|
pub struct pf64x4([*mut f64; 4]);
|
|
|
|
extern "rust-intrinsic" {
|
|
fn simd_scatter<V, P, M>(values: V, pointer: P, mask: M);
|
|
}
|
|
|
|
// CHECK-LABEL: scatter_f64x4
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn scatter_f64x4(values: f64x4, ptrs: pf64x4, mask: m64x4) {
|
|
// x86-avx512: vpsllq ymm2, ymm2, 63
|
|
// x86-avx512-NEXT: vpmovq2m k1, ymm2
|
|
// x86-avx512-NEXT: vscatterqpd {{(ymmword)|(qword)}} ptr [1*ymm1] {k1}, ymm0
|
|
simd_scatter(values, ptrs, mask)
|
|
}
|