{"id":2223887,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2223887/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/372eeb7a-89d7-498a-b28c-960bb2c3f1b3@baylibre.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/1.1/projects/17/?format=json","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":"<372eeb7a-89d7-498a-b28c-960bb2c3f1b3@baylibre.com>","date":"2026-04-16T10:52:25","name":"[committed] gcn: doc/install.texi - fix by-default required LLVM version [PR124897]","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"6efdedd3f9a9e673b67f2eb24bcea2c783d2511d","submitter":{"id":87873,"url":"http://patchwork.ozlabs.org/api/1.1/people/87873/?format=json","name":"Tobias Burnus","email":"tburnus@baylibre.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/372eeb7a-89d7-498a-b28c-960bb2c3f1b3@baylibre.com/mbox/","series":[{"id":500133,"url":"http://patchwork.ozlabs.org/api/1.1/series/500133/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=500133","date":"2026-04-16T10:52:25","name":"[committed] gcn: doc/install.texi - fix by-default required LLVM version [PR124897]","version":1,"mbox":"http://patchwork.ozlabs.org/series/500133/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2223887/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2223887/checks/","tags":{},"headers":{"Return-Path":"","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 (2048-bit key;\n unprotected) header.d=baylibre-com.20251104.gappssmtp.com\n header.i=@baylibre-com.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=ApCOPH7U;\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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boundary=\"------------6ow05aOO00PDmqOsDHoBb15x\"","Message-ID":"<372eeb7a-89d7-498a-b28c-960bb2c3f1b3@baylibre.com>","Date":"Thu, 16 Apr 2026 12:52:25 +0200","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Content-Language":"en-US","To":"gcc-patches , Andrew Stubbs ","From":"Tobias Burnus ","Subject":"[committed] gcn: doc/install.texi - fix by-default required LLVM\n version [PR124897]","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"As noted by Richard, LLVM 19's llvm-mc + lld is too old for gfx9-4-generic\nsupport; his solution was to use the gfx942 multilib instead.\n\nThe documentation had the LLVM version dependency at several places:\nhttps://gcc.gnu.org/gcc-16/changes.html and also in the by-LLVM-version\nlist at https://gcc.gnu.org/install/specific.html#amdgcn-x-amdhsa\n\nBut it missed one location ... Now fixed in r16-8701-gb6a34274b163f8\nas attached.\n\nThanks,\n\nTobias","diff":"commit b6a34274b163f832ddd841c71145f314359af035\nAuthor: Tobias Burnus \nDate: Thu Apr 16 12:47:57 2026 +0200\n\n gcn: doc/install.texi - fix by-default required LLVM version [PR124897]\n \n The default multilib requires the linker + assembler of LLVM 20 not 19.\n While LLVM 19 supports gfx942 and generic archs, it does not yet support\n gfx9-4-generic.\n \n gcc/ChangeLog:\n \n PR target/124897\n * doc/install.texi (amdgcn-amdhsa): Fix required LLVM version for\n default multilib.\n---\n gcc/doc/install.texi | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)\n\ndiff --git a/gcc/doc/install.texi b/gcc/doc/install.texi\nindex 5fb7e0b6950..001d16fe67a 100644\n--- a/gcc/doc/install.texi\n+++ b/gcc/doc/install.texi\n@@ -4165,7 +4165,7 @@ a linker error.\n By default, multilib support is built for @code{gfx908}, @code{gfx90a},\n @code{gfx9-generic}, @code{gfx9-4-generic}, @code{gfx10-3-generic}, and\n @code{gfx11-generic}, which covers all supported archs. The default multilib\n-configuration requires LLVM 19 or newer. LLVM 13.0.1 or LLVM 14 can be used by\n+configuration requires LLVM 20 or newer. LLVM 13.0.1 or LLVM 14 can be used by\n specifying a @code{--with-multilib-list=} that only lists GFX9 or GFX10-3\n devices, while LLVM 15 is required for GFX 11 device and @code{gfx1036}.\n At least LLVM 16 is required for @code{gfx1150} and @code{gfx1151},\n","prefixes":["committed"]}