dev-cpp/highway: revbump for UB case fix

Closes: https://bugs.gentoo.org/922793
Signed-off-by: Daniel Novomeský <dnovomesky@gmail.com>
Closes: https://github.com/gentoo/gentoo/pull/35005
Signed-off-by: Joonas Niilola <juippis@gentoo.org>
This commit is contained in:
Daniel Novomeský
2024-01-25 12:55:42 +01:00
committed by Joonas Niilola
parent 8c13be99f6
commit 75145e4759
2 changed files with 70 additions and 0 deletions

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@@ -0,0 +1,29 @@
https://github.com/google/highway/issues/1549
https://github.com/google/highway/commit/45eea15b5488f3e7a15c2c94ac77bd9e99703203
From 45eea15b5488f3e7a15c2c94ac77bd9e99703203 Mon Sep 17 00:00:00 2001
From: Mathieu Malaterre <mathieu.malaterre@gmail.com>
Date: Thu, 5 Oct 2023 08:00:38 +0200
Subject: [PATCH] Fix UB case with signed overflow, prefer unsigned
Fixes #1549
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110643
Suggested-by: Andrew Pinski <pinskia@gcc.gnu.org>
---
hwy/ops/arm_neon-inl.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hwy/ops/arm_neon-inl.h b/hwy/ops/arm_neon-inl.h
index 7ac7a10c62..97de46be2e 100644
--- a/hwy/ops/arm_neon-inl.h
+++ b/hwy/ops/arm_neon-inl.h
@@ -4592,7 +4592,7 @@ HWY_API Mask128<T, N> IsNaN(const Vec128<T, N> v) {
template <typename T, size_t N, HWY_IF_FLOAT(T)>
HWY_API Mask128<T, N> IsInf(const Vec128<T, N> v) {
const DFromV<decltype(v)> d;
- const RebindToSigned<decltype(d)> di;
+ const RebindToUnsigned<decltype(d)> di;
const VFromD<decltype(di)> vi = BitCast(di, v);
// 'Shift left' to clear the sign bit, check for exponent=max and mantissa=0.
return RebindMask(d, Eq(Add(vi, vi), Set(di, hwy::MaxExponentTimes2<T>())));

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@@ -0,0 +1,41 @@
# Copyright 2021-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake-multilib
DESCRIPTION="Performance-portable, length-agnostic SIMD with runtime dispatch"
HOMEPAGE="https://github.com/google/highway"
if [[ "${PV}" == *9999* ]]; then
inherit git-r3
EGIT_REPO_URI="https://github.com/google/highway.git"
else
SRC_URI="https://github.com/google/highway/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86"
fi
LICENSE="Apache-2.0"
SLOT="0"
IUSE="cpu_flags_arm_neon test"
DEPEND="test? ( dev-cpp/gtest[${MULTILIB_USEDEP}] )"
RESTRICT="!test? ( test )"
PATCHES=(
"${FILESDIR}/${PN}-1.0.7-Fix_UB_case_with_signed_overflow.patch"
)
multilib_src_configure() {
local mycmakeargs=(
-DHWY_CMAKE_ARM7=$(usex cpu_flags_arm_neon)
-DBUILD_TESTING=$(usex test)
-DHWY_WARNINGS_ARE_ERRORS=OFF
)
use test && mycmakeargs+=( "-DHWY_SYSTEM_GTEST=ON" )
cmake_src_configure
}