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Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Content-Language: en-US To: gcc-patches Subject: [PATCH, rs6000] Correct match pattern in pr56605.c X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: vh5D0P79-NXjcBofIfMDH7BTcCopHFqz X-Proofpoint-GUID: xccu3CcNt2nrIrBI1wbVF_a6B3sxTqxQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-02-27_09,2022-02-26_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 spamscore=0 mlxlogscore=999 bulkscore=0 phishscore=0 impostorscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202280017 X-Spam-Status: No, score=-13.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE 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: HAO CHEN GUI via Gcc-patches From: HAO CHEN GUI Reply-To: HAO CHEN GUI Cc: Bill Schmidt , David , Segher Boessenkool Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" Hi, This patch corrects the match pattern in pr56605.c. The former pattern is wrong and test case fails with GCC11. It should match following insn on each subtarget after mode promotion is disabled. The patch need to be backported to GCC11. //gimple _17 = (unsigned int) _20; prolog_loop_niters.4_23 = _17 & 3; //rtl (insn 19 18 20 2 (parallel [ (set (reg:CC 208) (compare:CC (and:SI (subreg:SI (reg:DI 207) 0) (const_int 3 [0x3])) (const_int 0 [0]))) (set (reg:SI 129 [ prolog_loop_niters.5 ]) (and:SI (subreg:SI (reg:DI 207) 0) (const_int 3 [0x3]))) ]) 197 {*andsi3_imm_mask_dot2} Bootstrapped and tested on powerpc64-linux BE/LE and AIX with no regressions. Is this okay for trunk and GCC11? Any recommendations? Thanks a lot. ChangeLog 2022-02-28 Haochen Gui gcc/testsuite/ PR target/102146 * gcc.target/powerpc/pr56605.c: Correct match pattern in combine pass. patch.diff diff --git a/gcc/testsuite/gcc.target/powerpc/pr56605.c b/gcc/testsuite/gcc.target/powerpc/pr56605.c index fdedbfc573d..231d808aa99 100644 --- a/gcc/testsuite/gcc.target/powerpc/pr56605.c +++ b/gcc/testsuite/gcc.target/powerpc/pr56605.c @@ -11,5 +11,5 @@ void foo (short* __restrict sb, int* __restrict ia) ia[i] = (int) sb[i]; } -/* { dg-final { scan-rtl-dump-times {\(compare:CC \((?:and|zero_extend):(?:DI) \((?:sub)?reg:[SD]I} 1 "combine" } } */ +/* { dg-final { scan-rtl-dump-times {\(compare:CC \(and:SI \(subreg:SI \(reg:DI} 1 "combine" } } */