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guix/gnu/packages/patches/rust-coresimd-doctest.patch
Nikolai Merinov b47b2d3208
gnu: rust: Support build with glibc-2.27; update to 1.26.2.
* gnu/packages/rust.scm (rust-source): Add "patches" argument.
(rust-bootstrapped-package): Add "patches" argument.
(rust-1.19)[arguments]<#:phases>[patch-tests]: Modify.
[arguments]<#:phases>[patch-aarch64-test]: New phase.
[arguments]<#:phases>[use-readelf-for-tests]: New phase.
[arguments]<#:phases>[remove-unsupported-tests]: New phase.
(rust-1.23): Disable "run-pass/out-of-stack.rs" test.
(rust-1.24)[arguments]<#:phases>[patch-aarch64-test]: Replace.
(rust-1.25)[inputs]: Switch to LLVM 6.0.
(rust-1.25)[arguments]<#:phases>[enable-codegen-tests]: New variable.
(rust): New variable.
* gnu/packages/patches/rust-coresimd-doctest.patch: New file.
2018-07-10 15:09:22 +02:00

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Doctest coresimd::x86::__m256 failed on processors withouth "avx" feature.
Backported patch with changes from https://github.com/rust-lang-nursery/stdsimd/issues/481
--- rustc-1.26.2-src-orig/src/stdsimd/coresimd/x86/mod.rs 1970-01-01 05:00:00.000000000 +0500
+++ rustc-1.26.2-src/src/stdsimd/coresimd/x86/mod.rs 2018-06-22 00:01:55.142026720 +0500
@@ -293,13 +293,13 @@
/// use std::arch::x86_64::*;
///
/// # fn main() {
- /// # #[target_feature(enable = "sse")]
+ /// # #[target_feature(enable = "avx")]
/// # unsafe fn foo() {
/// let eight_zeros = _mm256_setzero_ps();
/// let eight_ones = _mm256_set1_ps(1.0);
/// let eight_floats = _mm256_set_ps(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0);
/// # }
- /// # if is_x86_feature_detected!("sse") { unsafe { foo() } }
+ /// # if is_x86_feature_detected!("avx") { unsafe { foo() } }
/// # }
/// ```
pub struct __m256(f32, f32, f32, f32, f32, f32, f32, f32);