1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149
|
//@ run-pass
#![allow(non_camel_case_types)]
//@ ignore-emscripten
// Test that the simd_reduce_{op} intrinsics produce the correct results.
#![feature(repr_simd, intrinsics)]
#[allow(non_camel_case_types)]
#[repr(simd)]
#[derive(Copy, Clone)]
struct i32x4(pub i32, pub i32, pub i32, pub i32);
#[repr(simd)]
#[derive(Copy, Clone)]
struct u32x4(pub u32, pub u32, pub u32, pub u32);
#[repr(simd)]
#[derive(Copy, Clone)]
struct f32x4(pub f32, pub f32, pub f32, pub f32);
#[repr(simd)]
#[derive(Copy, Clone)]
struct b8x4(pub i8, pub i8, pub i8, pub i8);
extern "rust-intrinsic" {
fn simd_reduce_add_unordered<T, U>(x: T) -> U;
fn simd_reduce_mul_unordered<T, U>(x: T) -> U;
fn simd_reduce_add_ordered<T, U>(x: T, acc: U) -> U;
fn simd_reduce_mul_ordered<T, U>(x: T, acc: U) -> U;
fn simd_reduce_min<T, U>(x: T) -> U;
fn simd_reduce_max<T, U>(x: T) -> U;
fn simd_reduce_and<T, U>(x: T) -> U;
fn simd_reduce_or<T, U>(x: T) -> U;
fn simd_reduce_xor<T, U>(x: T) -> U;
fn simd_reduce_all<T>(x: T) -> bool;
fn simd_reduce_any<T>(x: T) -> bool;
}
fn main() {
unsafe {
let x = i32x4(1, -2, 3, 4);
let r: i32 = simd_reduce_add_unordered(x);
assert_eq!(r, 6_i32);
let r: i32 = simd_reduce_mul_unordered(x);
assert_eq!(r, -24_i32);
let r: i32 = simd_reduce_add_ordered(x, -1);
assert_eq!(r, 5_i32);
let r: i32 = simd_reduce_mul_ordered(x, -1);
assert_eq!(r, 24_i32);
let r: i32 = simd_reduce_min(x);
assert_eq!(r, -2_i32);
let r: i32 = simd_reduce_max(x);
assert_eq!(r, 4_i32);
let x = i32x4(-1, -1, -1, -1);
let r: i32 = simd_reduce_and(x);
assert_eq!(r, -1_i32);
let r: i32 = simd_reduce_or(x);
assert_eq!(r, -1_i32);
let r: i32 = simd_reduce_xor(x);
assert_eq!(r, 0_i32);
let x = i32x4(-1, -1, 0, -1);
let r: i32 = simd_reduce_and(x);
assert_eq!(r, 0_i32);
let r: i32 = simd_reduce_or(x);
assert_eq!(r, -1_i32);
let r: i32 = simd_reduce_xor(x);
assert_eq!(r, -1_i32);
}
unsafe {
let x = u32x4(1, 2, 3, 4);
let r: u32 = simd_reduce_add_unordered(x);
assert_eq!(r, 10_u32);
let r: u32 = simd_reduce_mul_unordered(x);
assert_eq!(r, 24_u32);
let r: u32 = simd_reduce_add_ordered(x, 1);
assert_eq!(r, 11_u32);
let r: u32 = simd_reduce_mul_ordered(x, 2);
assert_eq!(r, 48_u32);
let r: u32 = simd_reduce_min(x);
assert_eq!(r, 1_u32);
let r: u32 = simd_reduce_max(x);
assert_eq!(r, 4_u32);
let t = u32::MAX;
let x = u32x4(t, t, t, t);
let r: u32 = simd_reduce_and(x);
assert_eq!(r, t);
let r: u32 = simd_reduce_or(x);
assert_eq!(r, t);
let r: u32 = simd_reduce_xor(x);
assert_eq!(r, 0_u32);
let x = u32x4(t, t, 0, t);
let r: u32 = simd_reduce_and(x);
assert_eq!(r, 0_u32);
let r: u32 = simd_reduce_or(x);
assert_eq!(r, t);
let r: u32 = simd_reduce_xor(x);
assert_eq!(r, t);
}
unsafe {
let x = f32x4(1., -2., 3., 4.);
let r: f32 = simd_reduce_add_unordered(x);
assert_eq!(r, 6_f32);
let r: f32 = simd_reduce_mul_unordered(x);
assert_eq!(r, -24_f32);
let r: f32 = simd_reduce_add_ordered(x, 0.);
assert_eq!(r, 6_f32);
let r: f32 = simd_reduce_mul_ordered(x, 1.);
assert_eq!(r, -24_f32);
let r: f32 = simd_reduce_add_ordered(x, 1.);
assert_eq!(r, 7_f32);
let r: f32 = simd_reduce_mul_ordered(x, 2.);
assert_eq!(r, -48_f32);
let r: f32 = simd_reduce_min(x);
assert_eq!(r, -2_f32);
let r: f32 = simd_reduce_max(x);
assert_eq!(r, 4_f32);
}
unsafe {
let x = b8x4(!0, !0, !0, !0);
let r: bool = simd_reduce_all(x);
assert_eq!(r, true);
let r: bool = simd_reduce_any(x);
assert_eq!(r, true);
let x = b8x4(!0, !0, 0, !0);
let r: bool = simd_reduce_all(x);
assert_eq!(r, false);
let r: bool = simd_reduce_any(x);
assert_eq!(r, true);
let x = b8x4(0, 0, 0, 0);
let r: bool = simd_reduce_all(x);
assert_eq!(r, false);
let r: bool = simd_reduce_any(x);
assert_eq!(r, false);
}
}
|