From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2138) id 2FB4B383CCE5; Wed, 31 Aug 2022 07:54:41 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2FB4B383CCE5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1661932481; bh=VIy1Yn09I6JfLVyNEEIKYJ/rF3jYzhgjebzTTDIlDPw=; h=From:To:Subject:Date:From; b=vmelF5TXj9Ct70hXsQqnRjJY3LRryUarXO5q0idcDIq25l/WH6S9Yh81zQCRR7Hiv T86jOg+BCZ+t8yogIkapUVHhYAPB0hgmQKbGq1SPNX2fo1dlQvvKBOvfRyFYxrefU4 iz+0ViukR4/uKYtFmN2u1/flelhFnTQ3ajE96yDo= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Andreas Schwab To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-2298] middle-end: Fix unexpected warnings for RISC-V port. X-Act-Checkin: gcc X-Git-Author: zhongjuzhe X-Git-Refname: refs/heads/master X-Git-Oldrev: c641305c4c778bf384147044bb245e0e03672699 X-Git-Newrev: a99b53f7e1860b96b67f069eb7965fcbac6594f6 Message-Id: <20220831075441.2FB4B383CCE5@sourceware.org> Date: Wed, 31 Aug 2022 07:54:41 +0000 (GMT) List-Id: https://gcc.gnu.org/g:a99b53f7e1860b96b67f069eb7965fcbac6594f6 commit r13-2298-ga99b53f7e1860b96b67f069eb7965fcbac6594f6 Author: zhongjuzhe Date: Tue Aug 23 15:06:31 2022 +0800 middle-end: Fix unexpected warnings for RISC-V port. gcc/ChangeLog: * tree-vect-loop-manip.cc (vect_gen_vector_loop_niters): Simply initialize const_vf to 0. Diff: --- gcc/tree-vect-loop-manip.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gcc/tree-vect-loop-manip.cc b/gcc/tree-vect-loop-manip.cc index 86d2264054a..48a5f391d7f 100644 --- a/gcc/tree-vect-loop-manip.cc +++ b/gcc/tree-vect-loop-manip.cc @@ -1978,7 +1978,8 @@ vect_gen_vector_loop_niters (loop_vec_info loop_vinfo, tree niters, else ni_minus_gap = niters; - unsigned HOST_WIDE_INT const_vf; + /* To silence some unexpected warnings, simply initialize to 0. */ + unsigned HOST_WIDE_INT const_vf = 0; if (vf.is_constant (&const_vf) && !LOOP_VINFO_USING_PARTIAL_VECTORS_P (loop_vinfo)) {