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expose ordered/unordered/nanless intirnsics

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This commit is contained in:
gnzlbg 2018-03-14 17:22:40 +01:00
parent 01cc5b3e19
commit 07ce659dd0
5 changed files with 210 additions and 237 deletions
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104
src/test/run-pass/simd-intrinsic-generic-reduction.rs
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@ -39,10 +39,14 @@ struct b8x16(
);
extern "platform-intrinsic" {
fn simd_reduce_add<T, U>(x: T) -> U;
fn simd_reduce_mul<T, U>(x: T) -> U;
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_min_nanless<T, U>(x: T) -> U;
fn simd_reduce_max_nanless<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;
@ -53,91 +57,113 @@ extern "platform-intrinsic" {
fn main() {
unsafe {
let x = i32x4(1, -2, 3, 4);
let r: i32 = simd_reduce_add(x);
assert!(r == 6_i32);
let r: i32 = simd_reduce_mul(x);
assert!(r == -24_i32);
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!(r == -21_i32);
assert_eq!(r, -2_i32);
let r: i32 = simd_reduce_max(x);
assert!(r == 4_i32);
assert_eq!(r, 4_i32);
let x = i32x4(-1, -1, -1, -1);
let r: i32 = simd_reduce_and(x);
assert!(r == -1_i32);
assert_eq!(r, -1_i32);
let r: i32 = simd_reduce_or(x);
assert!(r == -1_i32);
assert_eq!(r, -1_i32);
let r: i32 = simd_reduce_xor(x);
assert!(r == 0_i32);
assert_eq!(r, 0_i32);
let x = i32x4(-1, -1, 0, -1);
let r: i32 = simd_reduce_and(x);
assert!(r == 0_i32);
assert_eq!(r, 0_i32);
let r: i32 = simd_reduce_or(x);
assert!(r == -1_i32);
assert_eq!(r, -1_i32);
let r: i32 = simd_reduce_xor(x);
assert!(r == -1_i32);
assert_eq!(r, -1_i32);
}
unsafe {
let x = u32x4(1, 2, 3, 4);
let r: u32 = simd_reduce_add(x);
assert!(r == 10_u32);
let r: u32 = simd_reduce_mul(x);
assert!(r == 24_u32);
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!(r == 1_u32);
assert_eq!(r, 1_u32);
let r: u32 = simd_reduce_max(x);
assert!(r == 4_u32);
assert_eq!(r, 4_u32);
let t = u32::max_value();
let x = u32x4(t, t, t, t);
let r: u32 = simd_reduce_and(x);
assert!(r == t);
assert_eq!(r, t);
let r: u32 = simd_reduce_or(x);
assert!(r == t);
assert_eq!(r, t);
let r: u32 = simd_reduce_xor(x);
assert!(r == 0_u32);
assert_eq!(r, 0_u32);
let x = u32x4(t, t, 0, t);
let r: u32 = simd_reduce_and(x);
assert!(r == 0_u32);
assert_eq!(r, 0_u32);
let r: u32 = simd_reduce_or(x);
assert!(r == t);
assert_eq!(r, t);
let r: u32 = simd_reduce_xor(x);
assert!(r == t);
assert_eq!(r, t);
}
unsafe {
let x = f32x4(1., -2., 3., 4.);
let r: f32 = simd_reduce_add(x);
assert!(r == 6_f32);
let r: f32 = simd_reduce_mul(x);
assert!(r == -24_f32);
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);
// FIXME: only works correctly for accumulator, 0:
// https://bugs.llvm.org/show_bug.cgi?id=36734
let r: f32 = simd_reduce_add_ordered(x, 0.);
assert_eq!(r, 6_f32);
// FIXME: only works correctly for accumulator, 1:
// https://bugs.llvm.org/show_bug.cgi?id=36734
let r: f32 = simd_reduce_mul_ordered(x, 1.);
assert_eq!(r, -24_f32);
let r: f32 = simd_reduce_min(x);
assert!(r == -2_f32);
assert_eq!(r, -2_f32);
let r: f32 = simd_reduce_max(x);
assert!(r == 4_f32);
assert_eq!(r, 4_f32);
let r: f32 = simd_reduce_min_nanless(x);
assert_eq!(r, -2_f32);
let r: f32 = simd_reduce_max_nanless(x);
assert_eq!(r, 4_f32);
}
unsafe {
let x = b8x4(!0, !0, !0, !0);
let r: bool = simd_reduce_all(x);
//let r: bool = foobar(x);
assert!(r);
assert_eq!(r, true);
let r: bool = simd_reduce_any(x);
assert!(r);
assert_eq!(r, true);
let x = b8x4(!0, !0, 0, !0);
let r: bool = simd_reduce_all(x);
assert!(!r);
assert_eq!(r, false);
let r: bool = simd_reduce_any(x);
assert!(r);
assert_eq!(r, true);
let x = b8x4(0, 0, 0, 0);
let r: bool = simd_reduce_all(x);
assert!(!r);
assert_eq!(r, false);
let r: bool = simd_reduce_any(x);
assert!(!r);
assert_eq!(r, false);
}
}