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