[{"id":1767914,"web_url":"http://patchwork.ozlabs.org/comment/1767914/","msgid":"<20170913140927.GA25423@arm.com>","list_archive_url":null,"date":"2017-09-13T14:09:27","subject":"Re: [Aarch64, Patch] Update failing testcase pr62178.c","submitter":{"id":8373,"url":"http://patchwork.ozlabs.org/api/people/8373/","name":"James Greenhalgh","email":"james.greenhalgh@arm.com"},"content":"On Wed, Sep 13, 2017 at 03:02:55PM +0100, Jackson Woodruff wrote:\n> Hi all,\n> \n> This patch changes pr62178.c so that it now scans\n> for two `ldr`s, one into an `s` register, instead\n> of a `ld1r` as before. Also add a scan for an mla\n> instruction.\n> \n> The `ld1r` was needed when this should have generated\n> a mla by vector. Now that we can generate an mla by\n> element instruction and can load directly into the\n> simd register, it is cheaper to not do the ld1r\n> which needlessly duplicates the single element used\n> across the whole vector register.\n> \n> The testcase passes now that \n> https://gcc.gnu.org/ml/gcc-patches/2017-08/msg00048.html has been committed\n> \n> OK for trunk?\n\nOK thanks, committed as revision 252086 on your behalf.\n\nJames\n\n> 2017-09-13 Jackson Woodruff \n> \n> \t* gcc.target/aarch64/pr62178.c: Updated testcase\n> \tto scan for two ldrs and an mla.\n\n> diff --git a/gcc/testsuite/gcc.target/aarch64/pr62178.c b/gcc/testsuite/gcc.target/aarch64/pr62178.c\n> index b80ce68656076864bb71c76949cef5d7b530021a..1bf6d838d3a49ed5d8ecf9ae0157bd2a9159bfb4 100644\n> --- a/gcc/testsuite/gcc.target/aarch64/pr62178.c\n> +++ b/gcc/testsuite/gcc.target/aarch64/pr62178.c\n> @@ -14,4 +14,6 @@ void foo (void) {\n> }\n> }\n> \n> -/* { dg-final { scan-assembler \"ld1r\\\\t\\{v\\[0-9\\]+\\.\"} } */\n> +/* { dg-final { scan-assembler \"ldr\\\\ts\\[0-9\\]+, \\\\\\[x\\[0-9\\]+, \\[0-9\\]+\\\\\\]!\" } } */\n> +/* { dg-final { scan-assembler \"ldr\\\\tq\\[0-9\\]+, \\\\\\[x\\[0-9\\]+\\\\\\], \\[0-9\\]+\" } } */\n> +/* { dg-final { scan-assembler \"mla\\\\tv\\[0-9\\]+\\.4s, v\\[0-9\\]+\\.4s, v\\[0-9\\]+\\.s\\\\\\[0\\\\\\]\" } } */","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":"Wed, 13 Sep 2017 15:09:27 +0100","From":"James Greenhalgh ","To":"Jackson Woodruff ","CC":"GCC Patches ,\n\tRichard Earnshaw\t, ","Subject":"Re: [Aarch64, Patch] Update failing testcase pr62178.c","Message-ID":"<20170913140927.GA25423@arm.com>","References":"<07d47738-04c7-5077-f3b5-294b18d32245@foss.arm.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Disposition":"inline","In-Reply-To":"<07d47738-04c7-5077-f3b5-294b18d32245@foss.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)(366002)(376002)(346002)(2980300002)(438002)(53754006)(24454002)(377424004)(189002)(199003)(229853002)(97756001)(106466001)(189998001)(15650500001)(54356999)(46406003)(33656002)(1076002)(23726003)(50466002)(76176999)(50986999)(86362001)(104016004)(8676002)(4326008)(6862004)(6286002)(110136004)(6246003)(305945005)(316002)(2906002)(8936002)(72206003)(5660300001)(2950100002)(7696004)(36756003)(966005)(356003)(478600001)(246002)(26826003)(55016002)(4001350100001)(6306002)(47776003)(77096006)(83506001)(54906002)(18370500001)(357404004);\n\tDIR:OUT; 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