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GET /api/1.1/patches/2228604/?format=api
{ "id": 2228604, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228604/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260427061721.E775A4BAD171@sourceware.org/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.1/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260427061721.E775A4BAD171@sourceware.org>", "date": "2026-04-27T06:16:53", "name": "tree-optimization/125019 - fix ICE with recurrence vectorization", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a3148f8acc0b7a58646223512badb5915b859655", "submitter": { "id": 4338, "url": "http://patchwork.ozlabs.org/api/1.1/people/4338/?format=api", "name": "Richard Biener", "email": "rguenther@suse.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260427061721.E775A4BAD171@sourceware.org/mbox/", "series": [ { "id": 501582, "url": "http://patchwork.ozlabs.org/api/1.1/series/501582/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=501582", "date": "2026-04-27T06:16:53", "name": "tree-optimization/125019 - fix ICE with recurrence vectorization", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501582/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228604/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228604/checks/", "tags": {}, "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256\n header.s=susede2_rsa header.b=cNy7abYJ;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=R0jYVHQ3;\n\tdkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de\n header.a=rsa-sha256 header.s=susede2_rsa header.b=cNy7abYJ;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=R0jYVHQ3;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; 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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1777270614;\n h=from:from:reply-to:date:date:to:to:cc:cc:mime-version:mime-version:\n content-type:content-type; bh=w79+/zM3jTRSEiBxldIP06ctBKdu2p2MfFVud9bck3k=;\n b=R0jYVHQ3TDqz2WPoCy4Rz0Sd+D5NR7kRnmACLviu2ubSiUxWe60bhofkic+AQfbG+tIVLM\n 72CD4zBfoMHrMNAQ==", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_rsa;\n t=1777270614;\n h=from:from:reply-to:date:date:to:to:cc:cc:mime-version:mime-version:\n content-type:content-type; bh=w79+/zM3jTRSEiBxldIP06ctBKdu2p2MfFVud9bck3k=;\n b=cNy7abYJ2QHjFVmpo7A2fWynf9jotVk2PYSUto1mihmJgDR2cqj1r9rFAhZzZLlGXwXIqc\n JNbHLMRb8XFDE1NEtZeoKpT3PonRa0cHkVmkoeOb9+2gZ9N8G9N4lx4AwGeni14vsr3BJG\n gQBJV/r+2aGzymMEgT7a1qgku9lVXjw=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1777270614;\n h=from:from:reply-to:date:date:to:to:cc:cc:mime-version:mime-version:\n content-type:content-type; bh=w79+/zM3jTRSEiBxldIP06ctBKdu2p2MfFVud9bck3k=;\n b=R0jYVHQ3TDqz2WPoCy4Rz0Sd+D5NR7kRnmACLviu2ubSiUxWe60bhofkic+AQfbG+tIVLM\n 72CD4zBfoMHrMNAQ==" ], "Date": "Mon, 27 Apr 2026 08:16:53 +0200 (CEST)", "From": "Richard Biener <rguenther@suse.de>", "To": "gcc-patches@gcc.gnu.org", "cc": "Jakub Jelinek <jakub@redhat.com>", "Subject": "[PATCH] tree-optimization/125019 - fix ICE with recurrence\n vectorization", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=US-ASCII", "X-Spamd-Result": "default: False [-1.80 / 50.00]; BAYES_HAM(-3.00)[100.00%];\n MISSING_MID(2.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000];\n NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain];\n MISSING_XM_UA(0.00)[]; FROM_HAS_DN(0.00)[];\n MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[];\n FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_COUNT_ZERO(0.00)[0];\n RCPT_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[];\n TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[];\n DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519];\n DBL_BLOCKED_OPENRESOLVER(0.00)[tree-vect-loop.cc:url,\n murzim.nue2.suse.org:helo]", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org", "Message-Id": "<20260427061721.E775A4BAD171@sourceware.org>" }, "content": "This fixes an oversight with the PR124677 fix.\n\nBootstrapped and tested on x86_64-unknown-linux-gnu, pushed to trunk.\n\nOK for 16 branch?\n\nThanks,\nRichard.\n\n\tPR tree-optimization/125019\n\t* tree-vect-loop.cc (vectorizable_recurr): Properly guard\n\tagainst hitting last stmt when searching for the insertion\n\tplace.\n\n\t* gcc.dg/pr125019.c: New testcase.\n---\n gcc/testsuite/gcc.dg/pr125019.c | 12 ++++++++++++\n gcc/tree-vect-loop.cc | 2 +-\n 2 files changed, 13 insertions(+), 1 deletion(-)\n create mode 100644 gcc/testsuite/gcc.dg/pr125019.c", "diff": "diff --git a/gcc/testsuite/gcc.dg/pr125019.c b/gcc/testsuite/gcc.dg/pr125019.c\nnew file mode 100644\nindex 00000000000..0cdb5906de7\n--- /dev/null\n+++ b/gcc/testsuite/gcc.dg/pr125019.c\n@@ -0,0 +1,12 @@\n+/* { dg-do compile } */\n+/* { dg-options \"-O3 -fno-vect-cost-model -fno-tree-dce -fno-tree-pre\" } */\n+\n+int a, b, c, d;\n+void e(unsigned f) {\n+ for (c = 0; c < 2; c++) {\n+ b = d;\n+ d = f;\n+ for (a = 0; a < 2; a++)\n+ ;\n+ }\n+}\ndiff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc\nindex 05abc04fc54..ca200dc14da 100644\n--- a/gcc/tree-vect-loop.cc\n+++ b/gcc/tree-vect-loop.cc\n@@ -8862,7 +8862,7 @@ vectorizable_recurr (loop_vec_info loop_vinfo, stmt_vec_info stmt_info,\n }\n /* Skip inserted vectorized stmts for the latch definition. We have to\n insert after those. */\n- while (gimple_uid (gsi_stmt (gsi2)) == 0);\n+ while (gsi_stmt (gsi2) && gimple_uid (gsi_stmt (gsi2)) == 0);\n \n for (unsigned i = 0; i < ncopies; ++i)\n {\n", "prefixes": [] }