[{"id":1762576,"web_url":"http://patchwork.ozlabs.org/comment/1762576/","msgid":"<20170904110944.GB38155@arm.com>","list_archive_url":null,"date":"2017-09-04T11:09:44","subject":"Re: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product for\n\tgeneric tests for ARM and AArch64 [Patch (7/8)]","submitter":{"id":8373,"url":"http://patchwork.ozlabs.org/api/people/8373/","name":"James Greenhalgh","email":"james.greenhalgh@arm.com"},"content":"On Fri, Sep 01, 2017 at 02:23:39PM +0100, Tamar Christina wrote:\n> Hi All,\n> \n> This patch enables tests for Dot Product vectorization\n> in gcc for ARM and AArch64.\n> \n> The ARMv8.2-a Dot Product instructions only support 8-bit\n> element vectorization.\n> \n> Dot product is available from ARMv8.2-a and onwards.\n> \n> Regtested and bootstrapped on aarch64-none-elf and\n> arm-none-eabi and no issues.\n\nI'm surprised that this worked!\n\nIt looks like you unconditionally add the -march=armv8.2-a+dotprod\noptions, which should cause you to generate instructions which will\nnot execute on targets which don't support this instruction. As far as I can\nsee, this is an execute test, so that should cause undefined instruction\nexceptions on an Armv8-A target at the very least.\n\nSo, not OK in its current form.\n\nThanks,\nJames\n\n> \n> Ok for trunk?\n> \n> gcc/testsuite\n> 2017-09-01 Tamar Christina \n> \n> \t* gcc.dg/vect/vect-reduc-dot-s8a.c\n> \t(dg-additional-options, dg-require-effective-target): Add +dotprod.\n> \t* gcc.dg/vect/vect-reduc-dot-u8a.c\n> \t(dg-additional-options, dg-require-effective-target): Add +dotprod.\n> \n> --","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list gcc-patches@gcc.gnu.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=gcc-patches-return-461401-incoming=patchwork.ozlabs.org@gcc.gnu.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org\n\theader.b=\"j+exrvuU\"; 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client-ip=217.140.96.140;\n\thelo=nebula.arm.com; ","Date":"Mon, 4 Sep 2017 12:09:44 +0100","From":"James Greenhalgh ","To":"Tamar Christina ","CC":", , ,\n\t","Subject":"Re: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product for\n\tgeneric tests for ARM and AArch64 [Patch (7/8)]","Message-ID":"<20170904110944.GB38155@arm.com>","References":"<20170901132338.GA32443@arm.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Disposition":"inline","In-Reply-To":"<20170901132338.GA32443@arm.com>","User-Agent":"Mutt/1.5.21 (2010-09-15)","X-EOPAttributedMessage":"0","X-MS-Office365-Filtering-HT":"Tenant","X-Forefront-Antispam-Report":"CIP:217.140.96.140; IPV:CAL; SCL:-1; CTRY:GB;\n\tEFV:NLI; SFV:NSPM;\n\tSFS:(10009020)(6009001)(39860400002)(2980300002)(438002)(377424004)(199003)(24454002)(189002)(53754006)(47776003)(77096006)(7696004)(50986999)(54356999)(76176999)(626005)(4326008)(104016004)(2950100002)(106466001)(6636002)(83506001)(36756003)(6246003)(110136004)(6286002)(6862004)(229853002)(189998001)(55016002)(54906002)(356003)(305945005)(97756001)(246002)(50466002)(72206003)(2906002)(86362001)(26826003)(478600001)(23726003)(1076002)(5660300001)(33656002)(46406003)(8936002)(8676002)(4001350100001)(18370500001)(41533002);\n\tDIR:OUT; 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As far as I can see, this is an\n> execute test, so that should cause undefined instruction exceptions on an\n> Armv8-A target at the very least.\n\nIt's not, there is no dg-do specified, which means it defaults to \"compile\"\nThis is a straight compilation tests that checks to see if the target can do the\nreduction. There may be a main, but it's never executed, which is why I don't\nhave a hardware check against it.\n\nThe unconditional armv8.2+dotprod is for this reason. It doesn't matter what hardware.\n\n> \n> So, not OK in its current form.\n> \n> Thanks,\n> James\n> \n> >\n> > Ok for trunk?\n> >\n> > gcc/testsuite\n> > 2017-09-01 Tamar Christina \n> >\n> > \t* gcc.dg/vect/vect-reduc-dot-s8a.c\n> > \t(dg-additional-options, dg-require-effective-target): Add +dotprod.\n> > \t* gcc.dg/vect/vect-reduc-dot-u8a.c\n> > \t(dg-additional-options, dg-require-effective-target): Add +dotprod.\n> >\n> > --","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list gcc-patches@gcc.gnu.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=gcc-patches-return-461407-incoming=patchwork.ozlabs.org@gcc.gnu.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org\n\theader.b=\"M+Ox4W2K\"; dkim-atps=neutral","sourceware.org; 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","received-spf":"None (protection.outlook.com: arm.com does not designate\n\tpermitted sender hosts)","spamdiagnosticoutput":"1:99","spamdiagnosticmetadata":"NSPM","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"quoted-printable","MIME-Version":"1.0","X-OriginatorOrg":"arm.com","X-MS-Exchange-CrossTenant-originalarrivaltime":"04 Sep 2017 11:35:39.2900\n\t(UTC)","X-MS-Exchange-CrossTenant-fromentityheader":"Hosted","X-MS-Exchange-CrossTenant-id":"f34e5979-57d9-4aaa-ad4d-b122a662184d","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"DB6PR0802MB2230","X-IsSubscribed":"yes"}},{"id":1781567,"web_url":"http://patchwork.ozlabs.org/comment/1781567/","msgid":"","list_archive_url":null,"date":"2017-10-06T12:45:15","subject":"Re: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product for\n\tgeneric tests for ARM and AArch64 [Patch (7/8)]","submitter":{"id":69689,"url":"http://patchwork.ozlabs.org/api/people/69689/","name":"Tamar Christina","email":"Tamar.Christina@arm.com"},"content":"Hi All,\n\nthis is a respin with the changes suggested. Note that this patch is no 8/8 in the series.\n\nRegtested on arm-none-eabi, armeb-none-eabi,\naarch64-none-elf and aarch64_be-none-elf with no issues found.\n\nOk for trunk?\n\ngcc/testsuite\n2017-10-06 Tamar Christina \n\n * gcc.dg/vect/vect-reduc-dot-s8a.c\n (dg-additional-options, dg-require-effective-target): Add +dotprod.\n * gcc.dg/vect/vect-reduc-dot-u8a.c\n (dg-additional-options, dg-require-effective-target): Add +dotprod.","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list gcc-patches@gcc.gnu.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=gcc-patches-return-463628-incoming=patchwork.ozlabs.org@gcc.gnu.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org\n\theader.b=\"djSsJ8xb\"; dkim-atps=neutral","sourceware.org; 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c=nofws; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender:from\n\t:to:cc:subject:date:message-id:references:in-reply-to\n\t:content-type:mime-version; q=dns; s=default; b=GTk3kZ3wNuoVMcth\n\tU0URvUtbx86UQPxyeXZOX55TTOplC6CDds8P2NdjQsK/f7QL6e8aeTOCksmtEDkv\n\tD1eP+dqOy9M/DOxz33gs2o1ibSdxW+UANw5XkOJKmSKLnIkE1RiUtofzPZpfbHrE\n\tF7cp2KXHv3Zw+wTcANZ+eAntHSQ=","DKIM-Signature":"v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender:from\n\t:to:cc:subject:date:message-id:references:in-reply-to\n\t:content-type:mime-version; s=default; bh=h4RvUp20aDi+K8iPBOdHa0\n\tJhhkw=; b=djSsJ8xbXt5PPf9KA6oL2xxT50/6Wld8vClYlUYoVPeiB/spmnDsKE\n\tAmkBTtF44eoicIWCuh7WpN6BRxZmls/7gKbbv5pIoYBfeEcn4dRh2YNAwbxj4Dgp\n\tGrsclvJQZkbR516qhI0Q/6MX/2yTCQ1MxSUcqa0F+BgJJQW3ltW6Q=","Mailing-List":"contact gcc-patches-help@gcc.gnu.org; run by ezmlm","Precedence":"bulk","List-Id":"","List-Unsubscribe":"","List-Archive":"","List-Post":"","List-Help":"","Sender":"gcc-patches-owner@gcc.gnu.org","X-Virus-Found":"No","X-Spam-SWARE-Status":"No, score=-25.7 required=5.0 tests=AWL, BAYES_00,\n\tGIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3,\n\tRCVD_IN_DNSWL_NONE, SPF_HELO_PASS,\n\tSPF_PASS autolearn=ham version=3.3.2 spammy=","X-HELO":"EUR01-DB5-obe.outbound.protection.outlook.com","From":"Tamar Christina ","To":"James Greenhalgh ","CC":"\"gcc-patches@gcc.gnu.org\" , nd ,\n\tRichard Earnshaw ,\n\tMarcus Shawcroft\t","Subject":"Re: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product for\n\tgeneric tests for ARM and AArch64 [Patch (7/8)]","Date":"Fri, 6 Oct 2017 12:45:15 +0000","Message-ID":"","References":"<20170901132338.GA32443@arm.com>\n\t<20170904110944.GB38155@arm.com>,\n\t","In-Reply-To":"","authentication-results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; 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Note that this patch is no 8/8 in the series.\n> \n> Regtested on arm-none-eabi, armeb-none-eabi,\n> aarch64-none-elf and aarch64_be-none-elf with no issues found.\n> \n> Ok for trunk?\n> \n> gcc/testsuite\n> 2017-10-06 Tamar Christina \n> \n> * gcc.dg/vect/vect-reduc-dot-s8a.c\n> (dg-additional-options, dg-require-effective-target): Add +dotprod.\n> * gcc.dg/vect/vect-reduc-dot-u8a.c\n> (dg-additional-options, dg-require-effective-target): Add +dotprod.\n> ________________________________________\n> From: Tamar Christina\n> Sent: Monday, September 4, 2017 12:35:39 PM\n> To: James Greenhalgh\n> Cc: gcc-patches@gcc.gnu.org; nd; Richard Earnshaw; Marcus Shawcroft\n> Subject: RE: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product for generic tests for ARM and AArch64 [Patch (7/8)]\n> \n>> I'm surprised that this worked!\n>>\n>> It looks like you unconditionally add the -march=armv8.2-a+dotprod options,\n>> which should cause you to generate instructions which will not execute on\n>> targets which don't support this instruction. As far as I can see, this is an\n>> execute test, so that should cause undefined instruction exceptions on an\n>> Armv8-A target at the very least.\n> \n> It's not, there is no dg-do specified, which means it defaults to \"compile\"\n> This is a straight compilation tests that checks to see if the target can do the\n> reduction. There may be a main, but it's never executed, which is why I don't\n> have a hardware check against it.\n> \n> The unconditional armv8.2+dotprod is for this reason. It doesn't matter what hardware.\n> \n>>\n>> So, not OK in its current form.\n>>\n>> Thanks,\n>> James\n>>\n>>>\n>>> Ok for trunk?\n>>>\n>>> gcc/testsuite\n>>> 2017-09-01 Tamar Christina \n>>>\n>>> * gcc.dg/vect/vect-reduc-dot-s8a.c\n>>> (dg-additional-options, dg-require-effective-target): Add +dotprod.\n>>> * gcc.dg/vect/vect-reduc-dot-u8a.c\n>>> (dg-additional-options, dg-require-effective-target): Add +dotprod.\n>>>\n>>> --\n> \n\niff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\nb/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\nindex\ndc4f52019d5435edbbc811b73dee0f98ff44c1b1..acb6862f8274fb954f69bd45e8edeedcdca4cbf7\n100644\n--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\n+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\n@@ -1,4 +1,7 @@\n /* { dg-require-effective-target vect_int } */\n+/* { dg-require-effective-target arm_v8_2a_dotprod_neon_hw { target {\naarch64*-*-* || arm*-*-* } } } */\n\nWhy do you need hardware with dot-product if these are compile-only\ntests? (presumably that's what the _hw at the end of the require means).\n\nR.","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list gcc-patches@gcc.gnu.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=gcc-patches-return-464027-incoming=patchwork.ozlabs.org@gcc.gnu.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org\n\theader.b=\"E4N2RKoq\"; dkim-atps=neutral","sourceware.org; auth=none"],"Received":["from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3yCWgt2YcVz9t38\n\tfor ;\n\tFri, 13 Oct 2017 00:20:57 +1100 (AEDT)","(qmail 74241 invoked by alias); 12 Oct 2017 13:20:49 -0000","(qmail 74231 invoked by uid 89); 12 Oct 2017 13:20:48 -0000","from usa-sjc-mx-foss1.foss.arm.com (HELO foss.arm.com)\n\t(217.140.101.70) by sourceware.org\n\t(qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP;\n\tThu, 12 Oct 2017 13:20:47 +0000","from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249])\tby\n\tusa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id\n\tB82D51435; Thu, 12 Oct 2017 06:20:45 -0700 (PDT)","from [192.168.1.19] (usa-sjc-mx-foss1.foss.arm.com\n\t[217.140.101.70])\tby usa-sjc-imap-foss1.foss.arm.com\n\t(Postfix) with ESMTPSA id 8BB893F3E1;\n\tThu, 12 Oct 2017 06:20:44 -0700 (PDT)"],"DomainKey-Signature":"a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender\n\t:subject:to:cc:references:from:message-id:date:mime-version\n\t:in-reply-to:content-type:content-transfer-encoding; q=dns; s=\n\tdefault; b=IflYRDo3iZP4gOZzwOiwC42sNLb8EEAdBJtLXDsWDlkamCIuq9pC2\n\tR6o40feSsBg/G9nFLb26WVZ1pe8wICXfCrOYDX0L4/9V4TpZWcY6EiHS6K5TnxHM\n\tMh908O3y4d0emeDMWu6RW6uCV+Bxm1AnZacFPVS+jEWqjwFl+5d1oA=","DKIM-Signature":"v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender\n\t:subject:to:cc:references:from:message-id:date:mime-version\n\t:in-reply-to:content-type:content-transfer-encoding; s=default;\n\tbh=I9R6rao29poVnXg1bU7RbVY6qko=; b=E4N2RKoqngD5j9sMbg84384zcXwr\n\tnSEotkdjCqa+gWS0hpSYATgatDlE9KGoLWVGEkWvJEL9JmC8Dn0MttMdbgxusevj\n\tHpytR5Gjknxn0rQVhOa6hR2T4qn/UHb1aECysbnSkTOpqpT+GjLpPYeF9N6ikTD6\n\tsLtnOrdLak+1hdM=","Mailing-List":"contact gcc-patches-help@gcc.gnu.org; run by ezmlm","Precedence":"bulk","List-Id":"","List-Unsubscribe":"","List-Archive":"","List-Post":"","List-Help":"","Sender":"gcc-patches-owner@gcc.gnu.org","X-Virus-Found":"No","X-Spam-SWARE-Status":"No, score=-16.9 required=5.0 tests=BAYES_00, GIT_PATCH_1,\n\tGIT_PATCH_2, GIT_PATCH_3, RP_MATCHES_RCVD,\n\tSPF_PASS autolearn=ham version=3.3.2 spammy=","X-HELO":"foss.arm.com","Subject":"Re: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product for\n\tgeneric tests for ARM and AArch64 [Patch (7/8)]","To":"Tamar Christina ,\n\tJames Greenhalgh ","Cc":"\"gcc-patches@gcc.gnu.org\" , nd ,\n\tMarcus Shawcroft ","References":"<20170901132338.GA32443@arm.com> <20170904110944.GB38155@arm.com>\n\t\n\t","From":"\"Richard Earnshaw (lists)\" ","Message-ID":"<1ea6671e-29b3-2567-f146-8e7b4225447e@arm.com>","Date":"Thu, 12 Oct 2017 14:20:41 +0100","User-Agent":"Mozilla/5.0 (X11; Linux x86_64;\n\trv:52.0) Gecko/20100101 Thunderbird/52.2.1","MIME-Version":"1.0","In-Reply-To":"","Content-Type":"text/plain; charset=utf-8","Content-Transfer-Encoding":"7bit"}},{"id":1785490,"web_url":"http://patchwork.ozlabs.org/comment/1785490/","msgid":"","list_archive_url":null,"date":"2017-10-12T14:00:36","subject":"RE: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product for\n\tgeneric tests for ARM and AArch64 [Patch (7/8)]","submitter":{"id":69689,"url":"http://patchwork.ozlabs.org/api/people/69689/","name":"Tamar Christina","email":"Tamar.Christina@arm.com"},"content":"> -----Original Message-----\r\n> From: Richard Earnshaw (lists) [mailto:Richard.Earnshaw@arm.com]\r\n> Sent: 12 October 2017 14:21\r\n> To: Tamar Christina; James Greenhalgh\r\n> Cc: gcc-patches@gcc.gnu.org; nd; Marcus Shawcroft\r\n> Subject: Re: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product\r\n> for generic tests for ARM and AArch64 [Patch (7/8)]\r\n> \r\n> On 06/10/17 13:45, Tamar Christina wrote:\r\n> > Hi All,\r\n> >\r\n> > this is a respin with the changes suggested. Note that this patch is no 8/8 in\r\n> the series.\r\n> >\r\n> > Regtested on arm-none-eabi, armeb-none-eabi, aarch64-none-elf and\r\n> > aarch64_be-none-elf with no issues found.\r\n> >\r\n> > Ok for trunk?\r\n> >\r\n> > gcc/testsuite\r\n> > 2017-10-06 Tamar Christina \r\n> >\r\n> > * gcc.dg/vect/vect-reduc-dot-s8a.c\r\n> > (dg-additional-options, dg-require-effective-target): Add +dotprod.\r\n> > * gcc.dg/vect/vect-reduc-dot-u8a.c\r\n> > (dg-additional-options, dg-require-effective-target): Add +dotprod.\r\n> > ________________________________________\r\n> > From: Tamar Christina\r\n> > Sent: Monday, September 4, 2017 12:35:39 PM\r\n> > To: James Greenhalgh\r\n> > Cc: gcc-patches@gcc.gnu.org; nd; Richard Earnshaw; Marcus Shawcroft\r\n> > Subject: RE: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product\r\n> > for generic tests for ARM and AArch64 [Patch (7/8)]\r\n> >\r\n> >> I'm surprised that this worked!\r\n> >>\r\n> >> It looks like you unconditionally add the -march=armv8.2-a+dotprod\r\n> >> options, which should cause you to generate instructions which will\r\n> >> not execute on targets which don't support this instruction. As far\r\n> >> as I can see, this is an execute test, so that should cause undefined\r\n> >> instruction exceptions on an Armv8-A target at the very least.\r\n> >\r\n> > It's not, there is no dg-do specified, which means it defaults to \"compile\"\r\n> > This is a straight compilation tests that checks to see if the target\r\n> > can do the reduction. There may be a main, but it's never executed,\r\n> > which is why I don't have a hardware check against it.\r\n> >\r\n> > The unconditional armv8.2+dotprod is for this reason. It doesn't matter\r\n> what hardware.\r\n> >\r\n> >>\r\n> >> So, not OK in its current form.\r\n> >>\r\n> >> Thanks,\r\n> >> James\r\n> >>\r\n> >>>\r\n> >>> Ok for trunk?\r\n> >>>\r\n> >>> gcc/testsuite\r\n> >>> 2017-09-01 Tamar Christina \r\n> >>>\r\n> >>> * gcc.dg/vect/vect-reduc-dot-s8a.c\r\n> >>> (dg-additional-options, dg-require-effective-target): Add +dotprod.\r\n> >>> * gcc.dg/vect/vect-reduc-dot-u8a.c\r\n> >>> (dg-additional-options, dg-require-effective-target): Add +dotprod.\r\n> >>>\r\n> >>> --\r\n> >\r\n> \r\n> iff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\r\n> b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\r\n> index\r\n> dc4f52019d5435edbbc811b73dee0f98ff44c1b1..acb6862f8274fb954f69bd45e8\r\n> edeedcdca4cbf7\r\n> 100644\r\n> --- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\r\n> +++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\r\n> @@ -1,4 +1,7 @@\r\n> /* { dg-require-effective-target vect_int } */\r\n> +/* { dg-require-effective-target arm_v8_2a_dotprod_neon_hw { target {\r\n> aarch64*-*-* || arm*-*-* } } } */\r\n> \r\n> Why do you need hardware with dot-product if these are compile-only\r\n> tests? (presumably that's what the _hw at the end of the require means).\r\n\r\nJames was right in that vect.exp overrides the default from compile to run for these tests,\r\nSo they are execution tests.\r\n\r\n> \r\n> R.","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list gcc-patches@gcc.gnu.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=gcc-patches-return-464031-incoming=patchwork.ozlabs.org@gcc.gnu.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org\n\theader.b=\"ZdAVfcXK\"; dkim-atps=neutral","sourceware.org; auth=none","spf=none (sender IP is )\n\tsmtp.mailfrom=Tamar.Christina@arm.com; "],"Received":["from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3yCXZ22KjVz9t2l\n\tfor ;\n\tFri, 13 Oct 2017 01:00:57 +1100 (AEDT)","(qmail 1776 invoked by alias); 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","MIME-Version":"1.0","X-OriginatorOrg":"arm.com","X-MS-Exchange-CrossTenant-originalarrivaltime":"12 Oct 2017 14:00:36.8901\n\t(UTC)","X-MS-Exchange-CrossTenant-fromentityheader":"Hosted","X-MS-Exchange-CrossTenant-id":"f34e5979-57d9-4aaa-ad4d-b122a662184d","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"DB6PR0802MB2389","X-IsSubscribed":"yes"}},{"id":1792450,"web_url":"http://patchwork.ozlabs.org/comment/1792450/","msgid":"","list_archive_url":null,"date":"2017-10-23T09:37:51","subject":"Re: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product for\n\tgeneric tests for ARM and AArch64 [Patch (7/8)]","submitter":{"id":69689,"url":"http://patchwork.ozlabs.org/api/people/69689/","name":"Tamar Christina","email":"Tamar.Christina@arm.com"},"content":"Ping","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list gcc-patches@gcc.gnu.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; 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Mon, 23 Oct 2017 09:37:51 +0000","from DB6PR0802MB2309.eurprd08.prod.outlook.com\n\t([fe80::aca9:7d55:a31b:496d]) by\n\tDB6PR0802MB2309.eurprd08.prod.outlook.com\n\t([fe80::aca9:7d55:a31b:496d%18]) with mapi id 15.20.0156.007;\n\tMon, 23 Oct 2017 09:37:51 +0000"],"DomainKey-Signature":"a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender:from\n\t:to:cc:subject:date:message-id:references:in-reply-to\n\t:content-type:content-transfer-encoding:mime-version; q=dns; s=\n\tdefault; b=gvH3oKIqfceZCuWj6+YXRm7JqbcJaRyR8oSuThAZmAUpwGNwNbCcv\n\tevGxWbsxYIBghR7j7ppZOWbOFZPoDkTsUja8nyRu9Utx+Sf16RROLyUiR0CrNAfp\n\tXVoQdzl2HnEutIlkc0LPMaWK6uHE7900fFbg6WI/QU2VdzHRY/f0w4=","DKIM-Signature":"v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender:from\n\t:to:cc:subject:date:message-id:references:in-reply-to\n\t:content-type:content-transfer-encoding:mime-version; s=default;\n\tbh=+G6o5GuuBjxCCygoEhPo30sQnpQ=; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"quoted-printable","MIME-Version":"1.0","X-OriginatorOrg":"arm.com","X-MS-Exchange-CrossTenant-originalarrivaltime":"23 Oct 2017 09:37:51.8205\n\t(UTC)","X-MS-Exchange-CrossTenant-fromentityheader":"Hosted","X-MS-Exchange-CrossTenant-id":"f34e5979-57d9-4aaa-ad4d-b122a662184d","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"DB6PR0802MB2616","X-IsSubscribed":"yes"}},{"id":1793218,"web_url":"http://patchwork.ozlabs.org/comment/1793218/","msgid":"<20171024150703.GA36236@arm.com>","list_archive_url":null,"date":"2017-10-24T15:07:03","subject":"Re: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product for\n\tgeneric tests for ARM and AArch64 [Patch (7/8)]","submitter":{"id":8373,"url":"http://patchwork.ozlabs.org/api/people/8373/","name":"James Greenhalgh","email":"james.greenhalgh@arm.com"},"content":"On Fri, Oct 06, 2017 at 01:45:15PM +0100, Tamar Christina wrote:\n> Hi All,\n> \n> this is a respin with the changes suggested. Note that this patch is no 8/8 in the series.\n> \n> Regtested on arm-none-eabi, armeb-none-eabi,\n> aarch64-none-elf and aarch64_be-none-elf with no issues found.\n> \n> Ok for trunk?\n> \n> gcc/testsuite\n> 2017-10-06 Tamar Christina \n> \n> * gcc.dg/vect/vect-reduc-dot-s8a.c\n> (dg-additional-options, dg-require-effective-target): Add +dotprod.\n> * gcc.dg/vect/vect-reduc-dot-u8a.c\n> (dg-additional-options, dg-require-effective-target): Add +dotprod.\n\n> diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\n> index dc4f52019d5435edbbc811b73dee0f98ff44c1b1..acb6862f8274fb954f69bd45e8edeedcdca4cbf7 100644\n> --- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\n> +++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c\n> @@ -1,4 +1,7 @@\n> /* { dg-require-effective-target vect_int } */\n> +/* { dg-require-effective-target arm_v8_2a_dotprod_neon_hw { target { aarch64*-*-* || arm*-*-* } } } */\n> +/* { dg-additional-options \"-O3 -march=armv8.2-a+dotprod\" { target { aarch64*-*-* || arm*-*-* } } } */\n\nDrop the -O3, should this one only apply for AArch64?\n\n> +/* { dg-add-options arm_v8_2a_dotprod_neon } */\n> \n> #include \n> #include \"tree-vect.h\"\n> diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8a.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8a.c\n> index f3cc6c78c25305d91becd585be8949514ebc521c..c23fe5df252b94d6722708096b8aba7edd100f1a 100644\n> --- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8a.c\n> +++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8a.c\n> @@ -1,4 +1,7 @@\n> /* { dg-require-effective-target vect_int } */\n> +/* { dg-require-effective-target arm_v8_2a_dotprod_neon_hw { target { aarch64*-*-* || arm*-*-* } } } */\n> +/* { dg-additional-options \"-O3 -march=armv8.2-a+dotprod\" { target { aarch64*-*-* || arm*-*-* } } } */\n\nDrop the -O3, should this one only apply for AArch64?\n\nLikewise here.\n\nOtherwise, this is OK for trunk.\n\nReviewed By: \n\nThanks,\nJames","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list gcc-patches@gcc.gnu.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; 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client-ip=217.140.96.140;\n\thelo=nebula.arm.com; ","Date":"Tue, 24 Oct 2017 16:07:03 +0100","From":"James Greenhalgh ","To":"Tamar Christina ","CC":"\"gcc-patches@gcc.gnu.org\" , nd ,\n\tRichard Earnshaw ,\n\tMarcus Shawcroft\t","Subject":"Re: [PATCH][GCC][Testsuite][ARM][AArch64] Enable Dot Product for\n\tgeneric tests for ARM and AArch64 [Patch (7/8)]","Message-ID":"<20171024150703.GA36236@arm.com>","References":"<20170901132338.GA32443@arm.com> <20170904110944.GB38155@arm.com>\n\t\n\t","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Disposition":"inline","In-Reply-To":"","User-Agent":"Mutt/1.5.21 (2010-09-15)","X-EOPAttributedMessage":"0","X-MS-Office365-Filtering-HT":"Tenant","X-Forefront-Antispam-Report":"CIP:217.140.96.140; IPV:CAL; SCL:-1; CTRY:GB;\n\tEFV:NLI; SFV:NSPM;\n\tSFS:(10009020)(6009001)(376002)(346002)(39860400002)(2980300002)(438002)(199003)(53754006)(189002)(377424004)(24454002)(6246003)(356003)(76176999)(246002)(50986999)(5660300001)(7696004)(54356999)(47776003)(6862004)(316002)(16586007)(54906003)(55016002)(37006003)(8676002)(4326008)(6286002)(33656002)(58126008)(106466001)(2950100002)(50466002)(36756003)(93886005)(23726003)(104016004)(77096006)(72206003)(46406003)(8936002)(478600001)(1076002)(83506002)(106002)(2906002)(97756001)(189998001)(305945005)(26826003)(86362001)(229853002)(575784001)(6636002)(18370500001)(41533002);\n\tDIR:OUT; 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