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//@ 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
#![crate_type = "rlib"]
use std::arch::x86_64::{__m128, _mm_blend_ps};
// Use an explicit return pointer to prevent tail call optimization.
#[no_mangle]
pub unsafe fn sse41_blend_nofeature(x: __m128, y: __m128, ret: *mut __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, ret: *mut __m128| unsafe { *ret = _mm_blend_ps(x, y, 0b0101) }
};
f(x, y, ret);
}
#[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)
}
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