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// only-x86_64
#![feature(avx512_target_feature)]
use std::arch::asm;
#[target_feature(enable = "avx")]
unsafe fn foo() {
let mut x = 1;
let y = 2;
asm!("vaddps {2:y}, {0:y}, {1:y}", in(ymm_reg) x, in(ymm_reg) y, lateout(ymm_reg) x);
assert_eq!(x, 3);
}
unsafe fn bar() {
let mut x = 1;
let y = 2;
asm!("vaddps {2:y}, {0:y}, {1:y}", in(ymm_reg) x, in(ymm_reg) y, lateout(ymm_reg) x);
//~^ ERROR: register class `ymm_reg` requires the `avx` target feature
//~| ERROR: register class `ymm_reg` requires the `avx` target feature
//~| ERROR: register class `ymm_reg` requires the `avx` target feature
assert_eq!(x, 3);
}
#[target_feature(enable = "avx512bw")]
unsafe fn baz() {
let x = 1;
asm!("/* {0} */", in(kreg) x);
}
unsafe fn baz2() {
let x = 1;
asm!("/* {0} */", in(kreg) x);
//~^ ERROR: register class `kreg` requires at least one of the following target features: avx512bw, avx512f
}
fn main() {
unsafe {
foo();
bar();
}
}
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