mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-11-04 06:56:14 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			38 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
//
 | 
						|
 | 
						|
//@ compile-flags: -C no-prepopulate-passes
 | 
						|
 | 
						|
#![crate_type = "lib"]
 | 
						|
 | 
						|
#![feature(repr_simd, intrinsics)]
 | 
						|
#![allow(non_camel_case_types)]
 | 
						|
 | 
						|
#[repr(simd)]
 | 
						|
#[derive(Copy, Clone, PartialEq, Debug)]
 | 
						|
pub struct Vec2<T>(pub [T; 2]);
 | 
						|
 | 
						|
#[repr(simd)]
 | 
						|
#[derive(Copy, Clone, PartialEq, Debug)]
 | 
						|
pub struct Vec4<T>(pub [T; 4]);
 | 
						|
 | 
						|
extern "rust-intrinsic" {
 | 
						|
    fn simd_scatter<T, P, M>(value: T, pointers: P, mask: M);
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: @scatter_f32x2
 | 
						|
#[no_mangle]
 | 
						|
pub unsafe fn scatter_f32x2(pointers: Vec2<*mut f32>, mask: Vec2<i32>,
 | 
						|
                            values: Vec2<f32>) {
 | 
						|
    // CHECK: call void @llvm.masked.scatter.v2f32.v2p0(<2 x float> {{.*}}, <2 x ptr> {{.*}}, i32 {{.*}}, <2 x i1> {{.*}})
 | 
						|
    simd_scatter(values, pointers, mask)
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
// CHECK-LABEL: @scatter_pf32x2
 | 
						|
#[no_mangle]
 | 
						|
pub unsafe fn scatter_pf32x2(pointers: Vec2<*mut *const f32>, mask: Vec2<i32>,
 | 
						|
                             values: Vec2<*const f32>) {
 | 
						|
    // CHECK: call void @llvm.masked.scatter.v2p0.v2p0(<2 x ptr> {{.*}}, <2 x ptr> {{.*}}, i32 {{.*}}, <2 x i1> {{.*}})
 | 
						|
    simd_scatter(values, pointers, mask)
 | 
						|
}
 |