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Red Hat Bugzilla – Attachment 1470920 Details for
Bug 1562196
test run-pass/simd-intrinsic-generic-cast.rs fails in ppc64le
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Reduced test case
simd-cast.rs (text/plain), 834 bytes, created by
Josh Stone
on 2018-07-27 01:18:14 UTC
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Description:
Reduced test case
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Creator:
Josh Stone
Created:
2018-07-27 01:18:14 UTC
Size:
834 bytes
patch
obsolete
>#![feature(repr_simd, platform_intrinsics, test)] >#![allow(non_camel_case_types)] > >extern crate test; > >#[repr(simd)] >#[derive(PartialEq, Debug)] >struct i32x4(i32, i32, i32, i32); > >#[repr(simd)] >#[derive(PartialEq, Debug)] >struct f64x4(f64, f64, f64, f64); > > >extern "platform-intrinsic" { > fn simd_cast<T, U>(x: T) -> U; >} > >const A: i32 = -1234567; >const B: i32 = 12345678; >const C: i32 = -123456789; >const D: i32 = 1234567890; > >fn cast(v: f64x4) -> i32x4 { > unsafe { simd_cast(v) } >} > >fn main() { > // force the casts to actually happen, or else LLVM/rustc > // may fold them and get slightly different results. > let (a, b, c, d) = test::black_box((A as f64, B as f64, C as f64, D as f64)); > > let from = cast(f64x4(a, b, c, d)); > let to = i32x4(a as i32, b as i32, c as i32, d as i32); > > assert_eq!(to, from); >}
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