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Diffstat (limited to 'tests/assembly-llvm/simd-intrinsic-gather.rs')
| -rw-r--r-- | tests/assembly-llvm/simd-intrinsic-gather.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/assembly-llvm/simd-intrinsic-gather.rs b/tests/assembly-llvm/simd-intrinsic-gather.rs new file mode 100644 index 00000000000..bcab0ba1cc0 --- /dev/null +++ b/tests/assembly-llvm/simd-intrinsic-gather.rs @@ -0,0 +1,39 @@ +//@ add-core-stubs +//@ 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 -Copt-level=3 -C panic=abort + +#![feature(no_core, lang_items, repr_simd, intrinsics)] +#![no_core] +#![allow(non_camel_case_types)] + +extern crate minicore; +use minicore::*; + +#[repr(simd)] +pub struct f64x4([f64; 4]); + +#[repr(simd)] +pub struct m64x4([i64; 4]); + +#[repr(simd)] +pub struct pf64x4([*const f64; 4]); + +#[rustc_intrinsic] +unsafe fn simd_gather<V, M, P>(values: V, mask: M, pointer: P) -> V; + +// CHECK-LABEL: gather_f64x4 +#[no_mangle] +pub unsafe extern "C" fn gather_f64x4(mask: m64x4, ptrs: pf64x4) -> f64x4 { + // FIXME: This should also get checked to generate a gather instruction for avx2. + // Currently llvm scalarizes this code, see https://github.com/llvm/llvm-project/issues/59789 + // + // x86-avx512-NOT: vpsllq + // x86-avx512: vpmovq2m k1, ymm0 + // x86-avx512-NEXT: vpxor xmm0, xmm0, xmm0 + // x86-avx512-NEXT: vgatherqpd ymm0 {k1}, {{(ymmword)|(qword)}} ptr [1*ymm1] + simd_gather(f64x4([0_f64, 0_f64, 0_f64, 0_f64]), ptrs, mask) +} |