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//@ run-pass
//@ ignore-emscripten FIXME(#45351) hits an LLVM assert
#![feature(repr_simd, intrinsics, concat_idents)]
#![allow(non_camel_case_types)]
#[repr(simd)]
#[derive(Copy, Clone)]
struct i32x4([i32; 4]);
#[repr(simd)]
#[derive(Copy, Clone)]
struct u32x4(pub [u32; 4]);
#[repr(simd)]
#[derive(Copy, Clone)]
struct f32x4(pub [f32; 4]);
extern "rust-intrinsic" {
fn simd_eq<T, U>(x: T, y: T) -> U;
fn simd_ne<T, U>(x: T, y: T) -> U;
fn simd_lt<T, U>(x: T, y: T) -> U;
fn simd_le<T, U>(x: T, y: T) -> U;
fn simd_gt<T, U>(x: T, y: T) -> U;
fn simd_ge<T, U>(x: T, y: T) -> U;
}
macro_rules! cmp {
($method: ident($lhs: expr, $rhs: expr)) => {{
let lhs = $lhs;
let rhs = $rhs;
let e: u32x4 = concat_idents!(simd_, $method)($lhs, $rhs);
// assume the scalar version is correct/the behaviour we want.
assert!((e.0[0] != 0) == lhs.0[0] .$method(&rhs.0[0]));
assert!((e.0[1] != 0) == lhs.0[1] .$method(&rhs.0[1]));
assert!((e.0[2] != 0) == lhs.0[2] .$method(&rhs.0[2]));
assert!((e.0[3] != 0) == lhs.0[3] .$method(&rhs.0[3]));
}}
}
macro_rules! tests {
($($lhs: ident, $rhs: ident;)*) => {{
$(
(|| {
cmp!(eq($lhs, $rhs));
cmp!(ne($lhs, $rhs));
// test both directions
cmp!(lt($lhs, $rhs));
cmp!(lt($rhs, $lhs));
cmp!(le($lhs, $rhs));
cmp!(le($rhs, $lhs));
cmp!(gt($lhs, $rhs));
cmp!(gt($rhs, $lhs));
cmp!(ge($lhs, $rhs));
cmp!(ge($rhs, $lhs));
})();
)*
}}
}
fn main() {
// 13 vs. -100 tests that we get signed vs. unsigned comparisons
// correct (i32: 13 > -100, u32: 13 < -100). let i1 = i32x4(10, -11, 12, 13);
let i1 = i32x4([10, -11, 12, 13]);
let i2 = i32x4([5, -5, 20, -100]);
let i3 = i32x4([10, -11, 20, -100]);
let u1 = u32x4([10, !11+1, 12, 13]);
let u2 = u32x4([5, !5+1, 20, !100+1]);
let u3 = u32x4([10, !11+1, 20, !100+1]);
let f1 = f32x4([10.0, -11.0, 12.0, 13.0]);
let f2 = f32x4([5.0, -5.0, 20.0, -100.0]);
let f3 = f32x4([10.0, -11.0, 20.0, -100.0]);
unsafe {
tests! {
i1, i1;
u1, u1;
f1, f1;
i1, i2;
u1, u2;
f1, f2;
i1, i3;
u1, u3;
f1, f3;
}
}
// NAN comparisons are special:
// -11 (*) 13
// -5 -100 (*)
let f4 = f32x4([f32::NAN, f1.0[1], f32::NAN, f2.0[3]]);
unsafe {
tests! {
f1, f4;
f2, f4;
f4, f4;
}
}
}
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