From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1666) id AE1DA3982437; Fri, 27 May 2022 12:08:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AE1DA3982437 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Richard Biener To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-799] Avoid shift in get_ref_base_and_extent X-Act-Checkin: gcc X-Git-Author: Richard Biener X-Git-Refname: refs/heads/master X-Git-Oldrev: f571596f8cd8fbad34305b4bec1a813620e0cbf0 X-Git-Newrev: 37c988bc1b22d1259a4d8e819fc33c65faa9debb Message-Id: <20220527120830.AE1DA3982437@sourceware.org> Date: Fri, 27 May 2022 12:08:30 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 May 2022 12:08:30 -0000 https://gcc.gnu.org/g:37c988bc1b22d1259a4d8e819fc33c65faa9debb commit r13-799-g37c988bc1b22d1259a4d8e819fc33c65faa9debb Author: Richard Biener Date: Fri May 27 14:07:03 2022 +0200 Avoid shift in get_ref_base_and_extent This avoids one instance of a shift from bytes to bits in get_ref_base_and_extent by using TYPE_SIZE instead of TYPE_SIZE_UNIT. * tree-dfa.cc (get_ref_base_and_extent): Avoid shift. Diff: --- gcc/tree-dfa.cc | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/gcc/tree-dfa.cc b/gcc/tree-dfa.cc index 21c82cedb9f..e75e3d605b3 100644 --- a/gcc/tree-dfa.cc +++ b/gcc/tree-dfa.cc @@ -453,8 +453,8 @@ get_ref_base_and_extent (tree exp, poly_int64_pod *poffset, if (!next || TREE_CODE (stype) != RECORD_TYPE) { - tree fsize = DECL_SIZE_UNIT (field); - tree ssize = TYPE_SIZE_UNIT (stype); + tree fsize = DECL_SIZE (field); + tree ssize = TYPE_SIZE (stype); if (fsize == NULL || !poly_int_tree_p (fsize) || ssize == NULL @@ -465,7 +465,6 @@ get_ref_base_and_extent (tree exp, poly_int64_pod *poffset, poly_offset_int tem = (wi::to_poly_offset (ssize) - wi::to_poly_offset (fsize)); - tem <<= LOG2_BITS_PER_UNIT; tem -= woffset; maxsize += tem; }