From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7857) id 3861E3858D39; Fri, 26 May 2023 11:01:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3861E3858D39 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1685098881; bh=Pjhub5wNYUSmZS3HnXxUY73hUIlpGjBWw21IJpeDZT8=; h=From:To:Subject:Date:From; b=x4/IQEjmWZzSYWDlKnCqNGsOs38AXjfdVqbWv/A+Sv/1i06a/QQ9PyOfhzhFe1dmh 5ZKjAiewmuailYplwJhGg2xifLUDwQ1h291hYsLXD1J/5P0eRAx4xlDALpTGh8gSMQ ILkP/Lm0D029dDwP8wT2fu+kJ8OBDewdwpnn2kCk= 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 r14-1297] libstdc++: Resolve -Wsign-compare issue X-Act-Checkin: gcc X-Git-Author: Matthias Kretz X-Git-Refname: refs/heads/master X-Git-Oldrev: 78648c09a0494e6bf1edbd97acb708bc282eb5f5 X-Git-Newrev: 1a1abec1d618cde709c585fcce89330bb33b07ac Message-Id: <20230526110121.3861E3858D39@sourceware.org> Date: Fri, 26 May 2023 11:01:21 +0000 (GMT) List-Id: https://gcc.gnu.org/g:1a1abec1d618cde709c585fcce89330bb33b07ac commit r14-1297-g1a1abec1d618cde709c585fcce89330bb33b07ac 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. 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 2ea7234bd99..34daa530f02 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;