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GET /api/1.1/patches/2229316/?format=api
{ "id": 2229316, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2229316/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/n28nn1os-n296-2472-r9s0-q9n1r16np399@fhfr.qr/", "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": "<n28nn1os-n296-2472-r9s0-q9n1r16np399@fhfr.qr>", "date": "2026-04-28T06:33:25", "name": "[www] Add Zen6 and Zen specific changes to release notes", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "c84e91eced04e83cac618bd69e2a1b82c2165762", "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/n28nn1os-n296-2472-r9s0-q9n1r16np399@fhfr.qr/mbox/", "series": [ { "id": 501767, "url": "http://patchwork.ozlabs.org/api/1.1/series/501767/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=501767", "date": "2026-04-28T06:33:25", "name": "[www] Add Zen6 and Zen specific changes to release notes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501767/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2229316/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2229316/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=Ve3ZQgDD;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=RviNqskE;\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=Ve3ZQgDD;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=RviNqskE;\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=1777358005;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:content-type:content-type;\n bh=jjFdxc7HY8ScQ0ku0QUMU1WYYg3hUrvdcAG5aSZY0/g=;\n b=RviNqskEKMMcrwAk7VHSNNeo5XHB7NNSGu4oz2Xz2yP6R8sw08e8p3dnnITFTse5VI7rNE\n QVW3TwFsuHS4NABQ==", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_rsa;\n t=1777358005;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:content-type:content-type;\n bh=jjFdxc7HY8ScQ0ku0QUMU1WYYg3hUrvdcAG5aSZY0/g=;\n b=Ve3ZQgDDrMpHW/LYFCNXSlt9b+ueKu3JVUMxGZKX6tE/p9W9ZRFg76B8967sg8aPgclhRp\n I6BUjDwOKW1jwAZ6mW5vBANE095llrsu2XUpmnHZXU8XJX66Cjb5aI1fWbpOApMVVyuYpG\n Zu1Wt+PYFHBbCid2eRsDuFle72Ckpdg=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1777358005;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:content-type:content-type;\n bh=jjFdxc7HY8ScQ0ku0QUMU1WYYg3hUrvdcAG5aSZY0/g=;\n b=RviNqskEKMMcrwAk7VHSNNeo5XHB7NNSGu4oz2Xz2yP6R8sw08e8p3dnnITFTse5VI7rNE\n QVW3TwFsuHS4NABQ==" ], "Date": "Tue, 28 Apr 2026 08:33:25 +0200 (CEST)", "From": "Richard Biener <rguenther@suse.de>", "To": "gcc-patches@gcc.gnu.org", "cc": "Venkataramanan.Kumar@amd.com", "Subject": "[PATCH][www] Add Zen6 and Zen specific changes to release notes", "Message-ID": "<n28nn1os-n296-2472-r9s0-q9n1r16np399@fhfr.qr>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=US-ASCII", "X-Spamd-Result": "default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[99.99%];\n NEURAL_HAM_LONG(-1.00)[-1.000];\n NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain];\n FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[];\n MISSING_XM_UA(0.00)[]; RCVD_COUNT_ZERO(0.00)[0];\n RCPT_COUNT_TWO(0.00)[2]; 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)[]; MIME_TRACE(0.00)[0:+];\n TO_DN_NONE(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[];\n DBL_BLOCKED_OPENRESOLVER(0.00)[fhfr.qr:mid]", "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" }, "content": "Does this look OK?\n\nThanks,\nRichard.\n\n\t* gcc-16/changes.html: Add AMD Zen specific items.\n---\n htdocs/gcc-16/changes.html | 11 +++++++++++\n 1 file changed, 11 insertions(+)", "diff": "diff --git a/htdocs/gcc-16/changes.html b/htdocs/gcc-16/changes.html\nindex 65462545..749f0c9c 100644\n--- a/htdocs/gcc-16/changes.html\n+++ b/htdocs/gcc-16/changes.html\n@@ -487,6 +487,17 @@ struct Affected : E\n <h3 id=\"x86\">IA-32/x86-64</h3>\n \n <ul>\n+ <li>GCC now supports AMD CPUs based on the Zen6 core via\n+ <code>-march=znver6</code>. This switch enables the\n+ AVX512_BMM, AVX_NE_CONVERT, AVX_IFMA, AVX_VNNI_INT8 and\n+ AVX512_FP16 ISA extensions ontop of ISA extensions enabled\n+ for Zen5.\n+ </li>\n+ <li>Auto-vectorization will now try to use a masked vector epilog when\n+ AVX512 support is enabled and tuning for <code>znver4</code>,\n+ <code>znver5</code> or <code>znver6</code>, saving code size\n+ and improving performance.\n+ </li>\n <li>GCC now supports the Intel CPU named Wildcat Lake through\n <code>-march=wildcatlake</code>.\n Wildcat Lake is based on Panther Lake.\n", "prefixes": [ "www" ] }