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Wed, 20 Oct 2021 02:29:17 +0000 (GMT) To: gcc-patches@gcc.gnu.org Subject: [PATCH] Use fold_build2 instead fold_binary for TRUTH_AND Date: Wed, 20 Oct 2021 10:29:16 +0800 Message-Id: <20211020022916.131643-1-guojiufu@linux.ibm.com> X-Mailer: git-send-email 2.17.1 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: nlIWqwaB0H-QAsuPnvDsp_TNH-51deRo X-Proofpoint-ORIG-GUID: e1sk3hwBa2S6IqfhysB414M1TXikrEdw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-10-19_02,2021-10-19_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 malwarescore=0 priorityscore=1501 bulkscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 adultscore=0 clxscore=1015 spamscore=0 mlxlogscore=999 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110200007 X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Jiufu Guo via Gcc-patches From: Jiufu Guo Reply-To: Jiufu Guo Cc: rguenther@suse.de, segher@kernel.crashing.org, wschmidt@linux.ibm.com, jlaw@tachyum.com, dje.gcc@gmail.com Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" In tree_simplify_using_condition_1, there is code which should be logic: "op0 || op1"/"op0 && op1". When creating expression for TRUTH_OR_EXPR and TRUTH_AND_EXPR, fold_build2 would be used instead fold_binary which always return NULL_TREE for this kind of expr. Bootstrap and regtest pass on ppc and ppc64le. Is this ok for trunk? BR, Jiufu gcc/ChangeLog: * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Replace fold_binary with fold_build2 fir logical OR/AND. --- gcc/tree-ssa-loop-niter.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c index 75109407124..27e11a29707 100644 --- a/gcc/tree-ssa-loop-niter.c +++ b/gcc/tree-ssa-loop-niter.c @@ -2290,12 +2290,12 @@ tree_simplify_using_condition_1 (tree cond, tree expr) /* Check whether COND ==> EXPR. */ notcond = invert_truthvalue (cond); - e = fold_binary (TRUTH_OR_EXPR, boolean_type_node, notcond, expr); + e = fold_build2 (TRUTH_OR_EXPR, boolean_type_node, notcond, expr); if (e && integer_nonzerop (e)) return e; /* Check whether COND ==> not EXPR. */ - e = fold_binary (TRUTH_AND_EXPR, boolean_type_node, cond, expr); + e = fold_build2 (TRUTH_AND_EXPR, boolean_type_node, cond, expr); if (e && integer_zerop (e)) return e;