From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2181) id 73C9B385800D; Fri, 5 Jan 2024 14:42:04 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 73C9B385800D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1704465724; bh=z4HSDm4otDHRfm8d0GXqzaXYdLE8XCPdo5b5il+5trY=; h=From:To:Subject:Date:From; b=wb3ejSXuMggFhB8z9NsrmssdDIw3bYYhQzxUtJ1Ey2C0snXcBlHqKGi9M3sy5W8XL 3JnfRYI9J2/0fYB9WuKW8MFLSPET9qK6JP3ZtroX8TEiuPsxAUbfZF35X4g3cv/OKX GwSl7E1ns/v3bv4RDmfKZAd7XYM5rXEdignU5640= MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" From: Jonathan Wakely To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r14-6959] libstdc++: Remove unneeded double operation in src/c++17/fs_path.cc X-Act-Checkin: gcc X-Git-Author: =?utf-8?q?Martin_K=C3=BCttler?= X-Git-Refname: refs/heads/master X-Git-Oldrev: 57fa5b60bbbf8038b8a699d2bcebd2a9b2e29aa4 X-Git-Newrev: a3fee5ef891cc8e4f39fe118ab5a3e875fcc7088 Message-Id: <20240105144204.73C9B385800D@sourceware.org> Date: Fri, 5 Jan 2024 14:42:04 +0000 (GMT) List-Id: https://gcc.gnu.org/g:a3fee5ef891cc8e4f39fe118ab5a3e875fcc7088 commit r14-6959-ga3fee5ef891cc8e4f39fe118ab5a3e875fcc7088 Author: Martin Küttler Date: Fri Jan 5 12:45:20 2024 +0000 libstdc++: Remove unneeded double operation in src/c++17/fs_path.cc libstdc++-v3/ChangeLog: * src/c++17/fs_path.cc (path::_List::reserve): Avoid floating-point arithmetic. Diff: --- libstdc++-v3/src/c++17/fs_path.cc | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libstdc++-v3/src/c++17/fs_path.cc b/libstdc++-v3/src/c++17/fs_path.cc index 4e41b891c2c..a2d3c54a88a 100644 --- a/libstdc++-v3/src/c++17/fs_path.cc +++ b/libstdc++-v3/src/c++17/fs_path.cc @@ -447,8 +447,9 @@ path::_List::reserve(int newcap, bool exact = false) if (curcap < newcap) { - if (!exact && newcap < int(1.5 * curcap)) - newcap = 1.5 * curcap; + const int nextcap = curcap + curcap / 2; + if (!exact && newcap < nextcap) + newcap = nextcap; void* p = ::operator new(sizeof(_Impl) + newcap * sizeof(value_type)); std::unique_ptr<_Impl, _Impl_deleter> newptr(::new(p) _Impl{newcap});