0
0
mirror of https://github.com/rust-lang/rust.git synced 2024-11-25 04:06:55 +01:00
rust/tests/assembly/closure-inherit-target-feature.rs
2024-05-30 16:15:46 +10:00

60 lines
1.8 KiB
Rust

//@ only-x86_64
//@ ignore-sgx Tests incompatible with LVI mitigations
//@ assembly-output: emit-asm
// make sure the feature is not enabled at compile-time
//@ compile-flags: -C opt-level=3 -C target-feature=-sse4.1 -C llvm-args=-x86-asm-syntax=intel
#![feature(target_feature_11)]
#![crate_type = "rlib"]
use std::arch::x86_64::{__m128, _mm_blend_ps};
#[no_mangle]
pub unsafe fn sse41_blend_nofeature(x: __m128, y: __m128) -> __m128 {
let f = {
// check that _mm_blend_ps is not being inlined into the closure
// CHECK-LABEL: {{sse41_blend_nofeature.*closure.*:}}
// CHECK-NOT: blendps
// CHECK: {{call .*_mm_blend_ps.*}}
// CHECK-NOT: blendps
// CHECK: ret
#[inline(never)]
|x, y| _mm_blend_ps(x, y, 0b0101)
};
f(x, y)
}
#[no_mangle]
#[target_feature(enable = "sse4.1")]
pub fn sse41_blend_noinline(x: __m128, y: __m128) -> __m128 {
let f = {
// check that _mm_blend_ps is being inlined into the closure
// CHECK-LABEL: {{sse41_blend_noinline.*closure.*:}}
// CHECK-NOT: _mm_blend_ps
// CHECK: blendps
// CHECK-NOT: _mm_blend_ps
// CHECK: ret
#[inline(never)]
|x, y| unsafe { _mm_blend_ps(x, y, 0b0101) }
};
f(x, y)
}
#[no_mangle]
#[target_feature(enable = "sse4.1")]
pub fn sse41_blend_doinline(x: __m128, y: __m128) -> __m128 {
// check that the closure and _mm_blend_ps are being inlined into the function
// CHECK-LABEL: sse41_blend_doinline:
// CHECK-NOT: {{sse41_blend_doinline.*closure.*}}
// CHECK-NOT: _mm_blend_ps
// CHECK: blendps
// CHECK-NOT: {{sse41_blend_doinline.*closure.*}}
// CHECK-NOT: _mm_blend_ps
// CHECK: ret
let f = {
#[inline]
|x, y| unsafe { _mm_blend_ps(x, y, 0b0101) }
};
f(x, y)
}