23 lines
815 B
Rust
23 lines
815 B
Rust
#![crate_type = "rlib"]
|
|
#![no_std]
|
|
#![feature(portable_simd)]
|
|
use core::simd::f32x4;
|
|
use core::simd::SimdFloat;
|
|
|
|
// For SIMD float ops, the LLIR version which is used to implement the portable
|
|
// forms of them may become calls to math.h AKA libm. So, we can't guarantee
|
|
// we can compile them for #![no_std] crates.
|
|
// Someday we may solve this.
|
|
// Until then, this test at least guarantees these functions require std.
|
|
fn guarantee_no_std_nolibm_calls() -> f32x4 {
|
|
let x = f32x4::from_array([0.1, 0.5, 0.6, -1.5]);
|
|
let x2 = x + x;
|
|
let _xc = x.ceil(); //~ ERROR E0599
|
|
let _xf = x.floor(); //~ ERROR E0599
|
|
let _xr = x.round(); //~ ERROR E0599
|
|
let _xt = x.trunc(); //~ ERROR E0599
|
|
let _xfma = x.mul_add(x, x); //~ ERROR E0599
|
|
let _xsqrt = x.sqrt(); //~ ERROR E0599
|
|
x2.abs() * x2
|
|
}
|