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GET /api/1.1/patches/2230226/?format=api
{ "id": 2230226, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230226/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260429134217.569FE4BB3BC1@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": "<20260429134217.569FE4BB3BC1@sourceware.org>", "date": "2026-04-29T13:41:41", "name": "tree-optimization/125080 - fix SLP scalar stmt coverage for instance roots", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "db951cb8dff079c855d5b2e6bf7122c9fe1ce002", "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/20260429134217.569FE4BB3BC1@sourceware.org/mbox/", "series": [ { "id": 502064, "url": "http://patchwork.ozlabs.org/api/1.1/series/502064/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=502064", "date": "2026-04-29T13:41:41", "name": "tree-optimization/125080 - fix SLP scalar stmt coverage for instance roots", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502064/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230226/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230226/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=NuoEDcoE;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=UnQ9M7vL;\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=nxeBHpF7;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=yQzP/M+t;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1777470105;\n h=from:from:reply-to:date:date:to:to:cc:mime-version:mime-version:\n content-type:content-type; bh=n0UFq8diuXEn/sMUgHY7wfml6J/K7JsGVtMCgCozir0=;\n b=UnQ9M7vLn/yHiewhDHwyx1+MW01vShWNlLSPKVfJrzNS/7q0fxUt0biUW9vxcO2ATbNZ7D\n d5gZA4V8wT6iDvCw==", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_rsa;\n t=1777470101;\n h=from:from:reply-to:date:date:to:to:cc:mime-version:mime-version:\n content-type:content-type; bh=n0UFq8diuXEn/sMUgHY7wfml6J/K7JsGVtMCgCozir0=;\n b=nxeBHpF7P/AxwXDVW3qRcx0+pFeYzPwTL+9fd3iVA5rve7sYyrG1H0IyIXQtuwEeTPnYVa\n GGKYy5JoTC3YCWp8fGvTV/+VPJjnnkrjdGD7LIcaWjT6cWnWJJV/2VhWvc9WG533lthxKg\n yeP6aPeDnGnJ7/+k2vfbFElPPk5xT7Q=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1777470101;\n h=from:from:reply-to:date:date:to:to:cc:mime-version:mime-version:\n content-type:content-type; bh=n0UFq8diuXEn/sMUgHY7wfml6J/K7JsGVtMCgCozir0=;\n b=yQzP/M+tP4JOoAl8CPOsYgecJt0+K4Jfl/wdJZefIKtVjafCupiT31bjMzlrkf8avLNeZo\n nq7hm5z3PlhoNyBg==" ], "Date": "Wed, 29 Apr 2026 15:41:41 +0200 (CEST)", "From": "Richard Biener <rguenther@suse.de>", "To": "gcc-patches@gcc.gnu.org", "Subject": "[PATCH] tree-optimization/125080 - fix SLP scalar stmt coverage for\n instance roots", "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)[-0.998];\n NEURAL_HAM_SHORT(-0.20)[-0.993]; MIME_GOOD(-0.10)[text/plain];\n MISSING_XM_UA(0.00)[]; MIME_TRACE(0.00)[0:+];\n RCPT_COUNT_ONE(0.00)[1]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[];\n DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519];\n FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_ZERO(0.00)[0];\n TO_DN_NONE(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[];\n DBL_BLOCKED_OPENRESOLVER(0.00)[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": "<20260429134217.569FE4BB3BC1@sourceware.org>" }, "content": "Even instance roots can be mentioned in externs of other instances\nand thus have to be kept scalar. Consider that.\n\nBootstrapped on x86_64-unknown-linux-gnu, testing in progress.\n\nRichard.\n\n\tPR tree-optimization/125080\n\t* tree-vect-slp.cc (vect_bb_slp_mark_stmts_vectorized): Only\n\tadd instance root stmts to scalar coverage if they do not\n\tappear in externs.\n\n\t* gcc.dg/torture/pr125080.c: New testcase.\n---\n gcc/testsuite/gcc.dg/torture/pr125080.c | 13 +++++++++++++\n gcc/tree-vect-slp.cc | 3 ++-\n 2 files changed, 15 insertions(+), 1 deletion(-)\n create mode 100644 gcc/testsuite/gcc.dg/torture/pr125080.c", "diff": "diff --git a/gcc/testsuite/gcc.dg/torture/pr125080.c b/gcc/testsuite/gcc.dg/torture/pr125080.c\nnew file mode 100644\nindex 00000000000..8ab5819ce4d\n--- /dev/null\n+++ b/gcc/testsuite/gcc.dg/torture/pr125080.c\n@@ -0,0 +1,13 @@\n+/* { dg-do compile } */\n+/* { dg-additional-options \"-ffast-math\" } */\n+\n+struct S { double a, b, c, d, e, f; };\n+void g(struct S *s, double *p, double *q, long n)\n+{\n+ for (long i; i < n; ++i) {\n+ s->b = s->c * p[i];\n+ s->a = s->f * s->d + s->b;\n+ q[i] += s->f;\n+ if (s->e) s->a = s->e;\n+ }\n+}\ndiff --git a/gcc/tree-vect-slp.cc b/gcc/tree-vect-slp.cc\nindex 6b297464bbf..00bb891fccb 100644\n--- a/gcc/tree-vect-slp.cc\n+++ b/gcc/tree-vect-slp.cc\n@@ -3525,7 +3525,8 @@ vect_bb_slp_mark_stmts_vectorized (bb_vec_info vinfo)\n for (auto instance : BB_VINFO_SLP_INSTANCES (vinfo))\n {\n for (auto stmt : SLP_INSTANCE_ROOT_STMTS (instance))\n-\tSTMT_SLP_TYPE (stmt) = pure_slp;\n+\tif (!scalar_stmts_in_externs.contains (stmt))\n+\t STMT_SLP_TYPE (stmt) = pure_slp;\n auto_vec<stmt_vec_info> worklist;\n for (auto stmt : SLP_TREE_SCALAR_STMTS (SLP_INSTANCE_TREE (instance)))\n \t{\n", "prefixes": [] }