mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-11-03 22:49:17 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			26 lines
		
	
	
		
			542 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			542 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
//@ assembly-output: emit-asm
 | 
						|
//@ compile-flags: --crate-type=lib
 | 
						|
//@ only-x86_64
 | 
						|
//@ ignore-sgx
 | 
						|
 | 
						|
#![feature(portable_simd)]
 | 
						|
 | 
						|
use std::simd::Simd;
 | 
						|
use std::arch::asm;
 | 
						|
 | 
						|
#[target_feature(enable = "avx")]
 | 
						|
#[no_mangle]
 | 
						|
// CHECK-LABEL: convert:
 | 
						|
pub unsafe fn convert(a: *const f32) -> Simd<f32, 8> {
 | 
						|
    // CHECK: vbroadcastss (%{{[er][a-ds0-9][xpi0-9]?}}), {{%ymm[0-7]}}
 | 
						|
    let b: Simd<f32, 8>;
 | 
						|
    unsafe {
 | 
						|
        asm!(
 | 
						|
            "vbroadcastss {b}, [{a}]",
 | 
						|
            a = in(reg) a,
 | 
						|
            b = out(ymm_reg) b,
 | 
						|
        );
 | 
						|
    }
 | 
						|
    b
 | 
						|
}
 |