| // ignore-emscripten |
| |
| // Test that the simd_reduce_{op} intrinsics produce ok-ish error |
| // messages when misused. |
| |
| #![feature(repr_simd, platform_intrinsics)] |
| #![allow(non_camel_case_types)] |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone)] |
| pub struct f32x4(pub f32, pub f32, pub f32, pub f32); |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone)] |
| pub struct u32x4(pub u32, pub u32, pub u32, pub u32); |
| |
| |
| extern "platform-intrinsic" { |
| fn simd_reduce_add_ordered<T, U>(x: T, y: U) -> U; |
| fn simd_reduce_mul_ordered<T, U>(x: T, y: U) -> 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() { |
| let x = u32x4(0, 0, 0, 0); |
| let z = f32x4(0.0, 0.0, 0.0, 0.0); |
| |
| unsafe { |
| simd_reduce_add_ordered(z, 0_f32); |
| simd_reduce_mul_ordered(z, 1_f32); |
| |
| simd_reduce_add_ordered(z, 2_f32); |
| //~^ ERROR accumulator of simd_reduce_add_ordered is not 0.0 |
| simd_reduce_mul_ordered(z, 3_f32); |
| //~^ ERROR accumulator of simd_reduce_mul_ordered is not 1.0 |
| |
| let _: f32 = simd_reduce_and(x); |
| //~^ ERROR expected return type `u32` (element of input `u32x4`), found `f32` |
| let _: f32 = simd_reduce_or(x); |
| //~^ ERROR expected return type `u32` (element of input `u32x4`), found `f32` |
| let _: f32 = simd_reduce_xor(x); |
| //~^ ERROR expected return type `u32` (element of input `u32x4`), found `f32` |
| |
| let _: f32 = simd_reduce_and(z); |
| //~^ ERROR unsupported simd_reduce_and from `f32x4` with element `f32` to `f32` |
| let _: f32 = simd_reduce_or(z); |
| //~^ ERROR unsupported simd_reduce_or from `f32x4` with element `f32` to `f32` |
| let _: f32 = simd_reduce_xor(z); |
| //~^ ERROR unsupported simd_reduce_xor from `f32x4` with element `f32` to `f32` |
| |
| let _: bool = simd_reduce_all(z); |
| //~^ ERROR unsupported simd_reduce_all from `f32x4` with element `f32` to `bool` |
| let _: bool = simd_reduce_any(z); |
| //~^ ERROR unsupported simd_reduce_any from `f32x4` with element `f32` to `bool` |
| |
| foo(0_f32); |
| } |
| } |
| |
| #[inline(never)] |
| unsafe fn foo(x: f32) { |
| let z = f32x4(0.0, 0.0, 0.0, 0.0); |
| simd_reduce_add_ordered(z, x); |
| //~^ ERROR accumulator of simd_reduce_add_ordered is not a constant |
| simd_reduce_mul_ordered(z, x); |
| //~^ ERROR accumulator of simd_reduce_mul_ordered is not a constant |
| } |