From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7857) id BB6EC385840A; Tue, 30 May 2023 20:06:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BB6EC385840A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1685477177; bh=rPKxfRXEvQiJJlHi8IV3DDSYyeO8KpS7CRo17njdjOI=; h=From:To:Subject:Date:From; b=Wa7/Rtmo88FTy5k5Okv2xZq6YaPs3zuU948++7081j1OAqHCW7CQM6HqNsAZZH3qq Yb7ipLeaxsFZE7jv0eRuo9qD9U/0mvKOd8XTzokZDZpTI9Brkasp1N3+GGvJmgWipe gps7znTvj3pffFjG/tIf/BSDmgyNsJ8clPYQg7n8= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Matthias Kretz To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r11-10832] libstdc++: Resolve -Wsign-compare issue X-Act-Checkin: gcc X-Git-Author: Matthias Kretz X-Git-Refname: refs/heads/releases/gcc-11 X-Git-Oldrev: 1b75c19730bdb76b1b2548d070f06958929f4172 X-Git-Newrev: ed3debbd45e1c53631ed88ad6897c12a53e09766 Message-Id: <20230530200617.BB6EC385840A@sourceware.org> Date: Tue, 30 May 2023 20:06:17 +0000 (GMT) List-Id: https://gcc.gnu.org/g:ed3debbd45e1c53631ed88ad6897c12a53e09766 commit r11-10832-ged3debbd45e1c53631ed88ad6897c12a53e09766 Author: Matthias Kretz Date: Thu May 25 10:45:21 2023 +0200 libstdc++: Resolve -Wsign-compare issue Signed-off-by: Matthias Kretz libstdc++-v3/ChangeLog: * include/experimental/bits/simd_ppc.h (_S_bit_shift_left): Negative __y is UB, so prefer signed compare. (cherry picked from commit 1a1abec1d618cde709c585fcce89330bb33b07ac) Diff: --- libstdc++-v3/include/experimental/bits/simd_ppc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libstdc++-v3/include/experimental/bits/simd_ppc.h b/libstdc++-v3/include/experimental/bits/simd_ppc.h index f1fec53cc79..6e4a6ec606e 100644 --- a/libstdc++-v3/include/experimental/bits/simd_ppc.h +++ b/libstdc++-v3/include/experimental/bits/simd_ppc.h @@ -64,7 +64,7 @@ template __x = _Base::_S_bit_shift_left(__x, __y); if constexpr (sizeof(_Tp) < sizeof(int)) { - if (__y >= sizeof(_Tp) * __CHAR_BIT__) + if (__y >= int(sizeof(_Tp) * __CHAR_BIT__)) return {}; } return __x;