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//@ compile-flags: -Cno-prepopulate-passes | ||
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#![crate_type = "lib"] | ||
#![feature(repr_simd, core_intrinsics)] | ||
// make sure that codegen emits correctly-aligned loads and stores for repr(packed, simd) types | ||
// the alignment of a load should be no less than T, and no more than the size of the vector type | ||
use std::intrinsics::simd as intrinsics; | ||
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#[derive(Copy, Clone)] | ||
#[repr(packed, simd)] | ||
struct f32x3([f32; 3]); | ||
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#[derive(Copy, Clone)] | ||
#[repr(packed, simd)] | ||
struct f32x4([f32; 4]); | ||
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// CHECK-LABEL: load_f32x3 | ||
#[no_mangle] | ||
pub fn load_f32x3(floats: &f32x3) -> f32x3 { | ||
// FIXME: Is a memcpy really the best we can do? | ||
// CHECK: @llvm.memcpy.{{.*}}ptr align 4 {{.*}}ptr align 4 | ||
*floats | ||
} | ||
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// CHECK-LABEL: load_f32x4 | ||
#[no_mangle] | ||
pub fn load_f32x4(floats: &f32x4) -> f32x4 { | ||
// CHECK: load <4 x float>, ptr %{{[a-z0-9_]*}}, align 16 | ||
*floats | ||
} | ||
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// CHECK-LABEL: add_f32x3 | ||
#[no_mangle] | ||
pub fn add_f32x3(x: f32x3, y: f32x3) -> f32x3 { | ||
// CHECK: load <3 x float>, ptr %{{[a-z0-9_]*}}, align 4 | ||
unsafe { intrinsics::simd_add(x, y) } | ||
} | ||
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// CHECK-LABEL: add_f32x4 | ||
#[no_mangle] | ||
pub fn add_f32x4(x: f32x4, y: f32x4) -> f32x4 { | ||
// CHECK: load <4 x float>, ptr %{{[a-z0-9_]*}}, align 16 | ||
unsafe { intrinsics::simd_add(x, y) } | ||
} |