{"id":818587,"url":"http://patchwork.ozlabs.org/api/patches/818587/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/20170926113950.5472-5-krebbel@linux.vnet.ibm.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/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,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170926113950.5472-5-krebbel@linux.vnet.ibm.com>","list_archive_url":null,"date":"2017-09-26T11:39:49","name":"[4/5] New target check: vect_nopeel","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"43ee75894b663247a2f0dfaf57e67bc11df47375","submitter":{"id":4421,"url":"http://patchwork.ozlabs.org/api/people/4421/?format=json","name":"Andreas Krebbel","email":"krebbel@linux.vnet.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/20170926113950.5472-5-krebbel@linux.vnet.ibm.com/mbox/","series":[{"id":5112,"url":"http://patchwork.ozlabs.org/api/series/5112/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=5112","date":"2017-09-26T11:39:45","name":"vect testsuite adjustments for S/390","version":1,"mbox":"http://patchwork.ozlabs.org/series/5112/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/818587/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/818587/checks/","tags":{},"related":[],"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-462960-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=\"tOxAbjRs\"; 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 3y1fCj4qtRz9t49\n\tfor ;\n\tTue, 26 Sep 2017 21:40:49 +1000 (AEST)","(qmail 34614 invoked by alias); 26 Sep 2017 11:40:08 -0000","(qmail 34507 invoked by uid 89); 26 Sep 2017 11:40:07 -0000","from mx0b-001b2d01.pphosted.com (HELO mx0a-001b2d01.pphosted.com)\n\t(148.163.158.5) by sourceware.org\n\t(qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP;\n\tTue, 26 Sep 2017 11:40:06 +0000","from pps.filterd (m0098419.ppops.net [127.0.0.1])\tby\n\tmx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv8QBdUkB128585\tfor ;\n\tTue, 26 Sep 2017 07:40:01 -0400","from e06smtp12.uk.ibm.com (e06smtp12.uk.ibm.com\n\t[195.75.94.108])\tby mx0b-001b2d01.pphosted.com with ESMTP id\n\t2d7ktvsx8x-1\t(version=TLSv1.2 cipher=AES256-SHA bits=256\n\tverify=NOT)\tfor ;\n\tTue, 26 Sep 2017 07:40:01 -0400","from localhost\tby e06smtp12.uk.ibm.com with IBM ESMTP SMTP\n\tGateway: Authorized Use Only! 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Violators will be prosecuted;\n\tTue, 26 Sep 2017 12:39:56 +0100","from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com\n\t[9.149.105.58])\tby b06cxnps4074.portsmouth.uk.ibm.com\n\t(8.14.9/8.14.9/NCO v10.0) with ESMTP id v8QBdusk26083328\tfor\n\t; Tue, 26 Sep 2017 11:39:56 GMT","from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1])\tby IMSVA\n\t(Postfix) with ESMTP id 5BB3C4C044\tfor ;\n\tTue, 26 Sep 2017 12:36:12 +0100 (BST)","from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1])\tby IMSVA\n\t(Postfix) with ESMTP id 41F6E4C040\tfor ;\n\tTue, 26 Sep 2017 12:36:12 +0100 (BST)","from maggie.boeblingen.de.ibm.com (unknown [9.152.212.134])\tby\n\td06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS\tfor\n\t; Tue, 26 Sep 2017 12:36:12 +0100 (BST)"],"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:subject:date:in-reply-to:references:message-id; q=dns; s=\n\tdefault; b=Briov8MMGyF6CKgNBxYAVWn+OCoki/bhu8FUaBlcqikmoIeR0pxZ5\n\tZfjiZCXfUb29BMSPKCe1Q4TLp+GFjf+J4sChv1Wopmc5jOSZCaMCZoKNT9xwyKgI\n\tP3BTzVCd8gDfWfLFDrjQnmrhy284GJwemQkev0gc/zRdDNVPF2tznQ=","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:subject:date:in-reply-to:references:message-id; s=default;\n\tbh=dXmQzSmr1WZ4Akreiq7KjgKHdh4=; b=tOxAbjRsmsc/ePOUO/kVLvVhWY/9\n\towoTK84KwuXr3N8K+Nx+BAv0oRj1Tvc6lCAKiGa4vZwfBsZzDn1lNxCWdY/OlBXT\n\tLGgwHZ4zvDskC9HySaMcYz69xLubTzZvfSYgRCoQbkPNf79+d5wWOsChI6BoavfR\n\th3K0TlpGw73Q3GE=","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=-24.7 required=5.0 tests=AWL, BAYES_00,\n\tGIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3,\n\tKAM_LAZY_DOMAIN_SECURITY,\n\tRCVD_IN_DNSWL_LOW autolearn=ham version=3.3.2 spammy=","X-HELO":"mx0a-001b2d01.pphosted.com","From":"Andreas Krebbel ","To":"gcc-patches@gcc.gnu.org","Subject":"[PATCH 4/5] New target check: vect_nopeel","Date":"Tue, 26 Sep 2017 13:39:49 +0200","In-Reply-To":"<20170926113950.5472-1-krebbel@linux.vnet.ibm.com>","References":"<20170926113950.5472-1-krebbel@linux.vnet.ibm.com>","X-TM-AS-GCONF":"00","x-cbid":"17092611-0008-0000-0000-0000049A2ABC","X-IBM-AV-DETECTION":"SAVI=unused REMOTE=unused XFE=unused","x-cbparentid":"17092611-0009-0000-0000-00001E2B74DA","Message-Id":"<20170926113950.5472-5-krebbel@linux.vnet.ibm.com>","X-Proofpoint-Virus-Version":"vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-09-26_04:, , signatures=0","X-Proofpoint-Spam-Details":"rule=outbound_notspam policy=outbound score=0\n\tspamscore=0 suspectscore=1 malwarescore=0 phishscore=0\n\tadultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx\n\tscancount=1 engine=8.0.1-1707230000\n\tdefinitions=main-1709260171","X-IsSubscribed":"yes"},"content":"Without peeling loops for vector alignment the vectorization costs are\nlower and in some cases make the loop vectorizer cover optimizations\nwhich otherwise would be handelt in slp instead.\n\nThis adds a new target check for that purpose.\n\ngcc/testsuite/ChangeLog:\n\n2017-09-26 Andreas Krebbel \n\n\t* g++.dg/vect/slp-pr56812.cc: Check vect_nopeel.\n\t* lib/target-supports.exp (check_effective_target_vect_nopeel):\n\tNew proc.\n---\n gcc/testsuite/g++.dg/vect/slp-pr56812.cc | 4 +++-\n gcc/testsuite/lib/target-supports.exp | 22 ++++++++++++++++++++++\n 2 files changed, 25 insertions(+), 1 deletion(-)","diff":"diff --git a/gcc/testsuite/g++.dg/vect/slp-pr56812.cc b/gcc/testsuite/g++.dg/vect/slp-pr56812.cc\nindex 80bdcdd..955b2ef 100644\n--- a/gcc/testsuite/g++.dg/vect/slp-pr56812.cc\n+++ b/gcc/testsuite/g++.dg/vect/slp-pr56812.cc\n@@ -17,4 +17,6 @@ void mydata::Set (float x)\n data[i] = x;\n }\n \n-/* { dg-final { scan-tree-dump-times \"basic block vectorized\" 1 \"slp1\" } } */\n+/* For targets without vector loop peeling the loop becomes cheap\n+ enough to be vectorized. */\n+/* { dg-final { scan-tree-dump-times \"basic block vectorized\" 1 \"slp1\" { target { ! vect_nopeel } } } } */\ndiff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp\nindex 7fdfbbb..686465a 100644\n--- a/gcc/testsuite/lib/target-supports.exp\n+++ b/gcc/testsuite/lib/target-supports.exp\n@@ -3199,6 +3199,28 @@ proc check_effective_target_vect_floatuint_cvt { } {\n return $et_vect_floatuint_cvt_saved($et_index)\n }\n \n+# Return 1 if peeling for alignment is never profitable on the target\n+#\n+\n+proc check_effective_target_vect_nopeel { } {\n+ global et_vect_nopeel_saved\n+ global et_index\n+\n+ if [info exists et_vect_nopeel_saved($et_index)] {\n+\tverbose \"check_effective_target_vect_nopeel: using cached result\" 2\n+ } else {\n+\tset et_vect_nopeel_saved($et_index) 0\n+ if { ([istarget s390*-*-*]\n+\t && [check_effective_target_s390_vx]) } {\n+\t set et_vect_nopeel_saved($et_index) 1\n+ }\n+ }\n+\n+ verbose \"check_effective_target_vect_nopeel:\\\n+\t returning $et_vect_nopeel_saved($et_index)\" 2\n+ return $et_vect_nopeel_saved($et_index)\n+}\n+\n # Return 1 if the target supports #pragma omp declare simd, 0 otherwise.\n #\n # This won't change for different subtargets so cache the result.\n","prefixes":["4/5"]}