{"id":2225762,"url":"http://patchwork.ozlabs.org/api/patches/2225762/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/aeeNstq52-TUro1s@tucnak/","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":"<aeeNstq52-TUro1s@tucnak>","list_archive_url":null,"date":"2026-04-21T14:46:10","name":"testsuite, v2: Xfails for aarch64/sme/streaming_mode_1.c and aarch64/sme/za_state_[12].c [PR122483]","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"91b959cdabc869d77b20b0b5b13b6853bec472ac","submitter":{"id":671,"url":"http://patchwork.ozlabs.org/api/people/671/?format=json","name":"Jakub Jelinek","email":"jakub@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/aeeNstq52-TUro1s@tucnak/mbox/","series":[{"id":500829,"url":"http://patchwork.ozlabs.org/api/series/500829/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=500829","date":"2026-04-21T14:46:10","name":"testsuite, v2: Xfails for aarch64/sme/streaming_mode_1.c and aarch64/sme/za_state_[12].c [PR122483]","version":1,"mbox":"http://patchwork.ozlabs.org/series/500829/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2225762/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2225762/checks/","tags":{},"related":[],"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=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=T4oGufWR;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; 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server2.sourceware.org","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1776782782;\n h=from:from:reply-to:reply-to:subject:subject:date:date:\n message-id:message-id:to:to:cc:cc:mime-version:mime-version:\n content-type:content-type:in-reply-to:in-reply-to:  references:references;\n bh=ZVf1AezgTE6iybCZ9dXL+BdAinzFh7LrNrfeOr88di8=;\n b=T4oGufWRtjLQVtxcjEWPtEbtQRpSgaB6Fd1vb45VSyAn1SYtLdB2y79QQ4iJTfi4WyfAOh\n MvynMPcJ/StZxbvSmxM+PG/9VLRmaYQZkf9I1tgIvbNintzdyGaksxEYoGyv4nE0psaL9l\n KYb5NHhYdmpJMixYRvzr10vq2vAOoS8=","X-MC-Unique":"Z-Yz7mAfOcGtDmoEID0Iyw-1","X-Mimecast-MFC-AGG-ID":"Z-Yz7mAfOcGtDmoEID0Iyw_1776782775","Date":"Tue, 21 Apr 2026 16:46:10 +0200","From":"Jakub Jelinek <jakub@redhat.com>","To":"Alex Coplan <alex.coplan@arm.com>","Cc":"\"Joseph S. Myers\" <josmyers@redhat.com>,\n Richard Biener <rguenther@suse.de>, Marek Polacek <polacek@redhat.com>,\n gcc-patches@gcc.gnu.org, Alice Carlotti <alice.carlotti@arm.com>,\n Richard Earnshaw <richard.earnshaw@arm.com>,\n Tamar Christina <tamar.christina@arm.com>,\n Kyrylo Tkachov <ktkachov@nvidia.com>,\n Andrew Pinski <andrew.pinski@oss.qualcomm.com>,\n Wilco Dijkstra <wilco.dijkstra@arm.com>, rdsandiford@googlemail.com","Subject":"[PATCH] testsuite, v2: Xfails for aarch64/sme/streaming_mode_1.c and\n aarch64/sme/za_state_[12].c [PR122483]","Message-ID":"<aeeNstq52-TUro1s@tucnak>","References":"<91332677-b0d8-d097-151d-3690ff42c897@redhat.com>\n <aczm5e6NfCLg1rvS@arm.com> <adZmAqLwzaIYcm_e@arm.com>\n <aedYLZXHJZfqHRjv@tucnak> <aedcwlyS96ASGI5e@tucnak>\n <875x5kmsn4.fsf@googlemail.com> <aedpbln-LiXs008Z@tucnak>\n <aed7fVHJ63D2FFcv@arm.com> <aeeAVVZ_dcV7ii_T@tucnak>\n <aeeEKIxQKAcHsu_7@arm.com>","MIME-Version":"1.0","In-Reply-To":"<aeeEKIxQKAcHsu_7@arm.com>","X-Scanned-By":"MIMEDefang 3.0 on 10.30.177.12","X-Mimecast-Spam-Score":"0","X-Mimecast-MFC-PROC-ID":"o0awR2VOKBvWP2g3zmSci_Pw4Qil_JkAPG2iZUojPLQ_1776782775","X-Mimecast-Originator":"redhat.com","Content-Type":"text/plain; charset=us-ascii","Content-Disposition":"inline","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>","Reply-To":"Jakub Jelinek <jakub@redhat.com>","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"On Tue, Apr 21, 2026 at 03:05:28PM +0100, Alex Coplan wrote:\n> > >    so w.r.t. previously-released behaviour, this actually preserves what\n> > >    we did before, at least for C code (I also expect this attribute to\n> > >    be predominantly used in C for real-world code).\n> > \n> > But it would be a regression vs. C++ or vs. clang/clang++.\n> \n> Yeah, that's fair enough; my thinking was that we could defer the C++\n> patch to 17 and see if that ended up being a problem in practice, but if\n> you think it is likely to be problematic we can avoid changing behaviour\n> there.\n\nNote, I didn't mean arm:: can't change behavior in C++ for 17, just that\nwe shouldn't backport such changes to 16.2.\n\n> >From my POV it's not worth blocking the release over, so this sounds OK\n> to me if Richard agrees (and no objections from other aarch64\n> maintainers by EOD).\n\nIn that case here is an updated testsuite patch which adds the xfails\n(plus dg-bogus xfailed in 2 cases).\n\nTested on aarch64-linux.\n\n2026-04-21  Jakub Jelinek  <jakub@redhat.com>\n\n\tPR target/122483\n\t* gcc.target/aarch64/sme/streaming_mode_1.c Xfail errors for\n\tsc_a, sc_c, sc_e, s_a, s_c, s_e and keyword_contradiction_1.\n\t* gcc.target/aarch64/sme/za_state_1.c: Xfail errors for shared_a,\n\tshared_c, shared_e, preserved_a, preserved_c, preserved_e and\n\tkeyword_conflict_1.\n\t* gcc.target/aarch64/sme/za_state_2.c: Xfail errors for shared_b,\n\tshared_d, shared_f and shared_h.  Add xfailed dg-bogus for\n\textra diagnostics on shared_f and shared_h.\n\n\n\n\tJakub","diff":"--- gcc/testsuite/gcc.target/aarch64/sme/streaming_mode_1.c.jj\t2026-03-27 10:17:17.910269122 +0100\n+++ gcc/testsuite/gcc.target/aarch64/sme/streaming_mode_1.c\t2026-04-21 13:03:24.518242099 +0200\n@@ -1,19 +1,19 @@\n // { dg-options \"\" }\n \n void sc_a () [[arm::streaming_compatible]];\n-void sc_a (); // { dg-error \"conflicting types\" }\n+void sc_a (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void sc_b ();\n void sc_b () [[arm::streaming_compatible]]; // { dg-error \"conflicting types\" }\n \n void sc_c () [[arm::streaming_compatible]];\n-void sc_c () {} // { dg-error \"conflicting types\" }\n+void sc_c () {} // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void sc_d ();\n void sc_d () [[arm::streaming_compatible]] {} // { dg-error \"conflicting types\" }\n \n void sc_e () [[arm::streaming_compatible]] {}\n-void sc_e (); // { dg-error \"conflicting types\" }\n+void sc_e (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void sc_f () {}\n void sc_f () [[arm::streaming_compatible]]; // { dg-error \"conflicting types\" }\n@@ -27,19 +27,19 @@ extern void (*sc_h) (); // { dg-error \"c\n //----------------------------------------------------------------------------\n \n void s_a () [[arm::streaming]];\n-void s_a (); // { dg-error \"conflicting types\" }\n+void s_a (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void s_b ();\n void s_b () [[arm::streaming]]; // { dg-error \"conflicting types\" }\n \n void s_c () [[arm::streaming]];\n-void s_c () {} // { dg-error \"conflicting types\" }\n+void s_c () {} // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void s_d ();\n void s_d () [[arm::streaming]] {} // { dg-error \"conflicting types\" }\n \n void s_e () [[arm::streaming]] {}\n-void s_e (); // { dg-error \"conflicting types\" }\n+void s_e (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void s_f () {}\n void s_f () [[arm::streaming]]; // { dg-error \"conflicting types\" }\n@@ -118,7 +118,7 @@ void keyword_ok_5 () [[arm::streaming_co\n //----------------------------------------------------------------------------\n \n void keyword_contradiction_1 () __arm_streaming;\n-void keyword_contradiction_1 (); // { dg-error \"conflicting types\" }\n+void keyword_contradiction_1 (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void keyword_contradiction_2 ();\n void keyword_contradiction_2 () __arm_streaming; // { dg-error \"conflicting types\" }\n--- gcc/testsuite/gcc.target/aarch64/sme/za_state_1.c.jj\t2026-03-27 10:17:17.911269105 +0100\n+++ gcc/testsuite/gcc.target/aarch64/sme/za_state_1.c\t2026-04-21 13:05:01.711603896 +0200\n@@ -1,19 +1,19 @@\n // { dg-options \"\" }\n \n void shared_a () [[arm::inout(\"za\")]];\n-void shared_a (); // { dg-error \"conflicting types\" }\n+void shared_a (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void shared_b ();\n void shared_b () [[arm::inout(\"za\")]]; // { dg-error \"conflicting types\" }\n \n void shared_c () [[arm::inout(\"za\")]];\n-void shared_c () {} // { dg-error \"conflicting types\" }\n+void shared_c () {} // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void shared_d ();\n void shared_d () [[arm::inout(\"za\")]] {} // { dg-error \"conflicting types\" }\n \n void shared_e () [[arm::inout(\"za\")]] {}\n-void shared_e (); // { dg-error \"conflicting types\" }\n+void shared_e (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void shared_f () {}\n void shared_f () [[arm::inout(\"za\")]]; // { dg-error \"conflicting types\" }\n@@ -27,19 +27,19 @@ extern void (*shared_h) (); // { dg-erro\n //----------------------------------------------------------------------------\n \n void preserved_a () [[arm::preserves(\"za\")]];\n-void preserved_a (); // { dg-error \"conflicting types\" }\n+void preserved_a (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void preserved_b ();\n void preserved_b () [[arm::preserves(\"za\")]]; // { dg-error \"conflicting types\" }\n \n void preserved_c () [[arm::preserves(\"za\")]];\n-void preserved_c () {} // { dg-error \"conflicting types\" }\n+void preserved_c () {} // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void preserved_d ();\n void preserved_d () [[arm::preserves(\"za\")]] {} // { dg-error \"conflicting types\" }\n \n void preserved_e () [[arm::preserves(\"za\")]] {}\n-void preserved_e (); // { dg-error \"conflicting types\" }\n+void preserved_e (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void preserved_f () {}\n void preserved_f () [[arm::preserves(\"za\")]]; // { dg-error \"conflicting types\" }\n@@ -139,7 +139,7 @@ __arm_new(\"za\") void keyword_ok_6 () {}\n //----------------------------------------------------------------------------\n \n void keyword_conflict_1 () __arm_inout(\"za\");\n-void keyword_conflict_1 (); // { dg-error \"conflicting types\" }\n+void keyword_conflict_1 (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n void keyword_conflict_2 ();\n void keyword_conflict_2 () __arm_inout(\"za\"); // { dg-error \"conflicting types\" }\n--- gcc/testsuite/gcc.target/aarch64/sme/za_state_2.c.jj\t2026-03-27 10:17:17.911269105 +0100\n+++ gcc/testsuite/gcc.target/aarch64/sme/za_state_2.c\t2026-04-21 14:39:45.357398244 +0000\n@@ -24,25 +24,27 @@ void new_za_f () {}\n void shared_a () [[arm::inout(\"za\")]]; // { dg-error \"conflicting types\" }\n \n void shared_b () [[arm::inout(\"za\")]];\n-[[arm::new(\"za\")]] void shared_b (); // { dg-error \"conflicting types\" }\n+[[arm::new(\"za\")]] void shared_b (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n [[arm::new(\"za\")]] void shared_c ();\n void shared_c () [[arm::in(\"za\")]] {} // { dg-error \"conflicting types\" }\n \n void shared_d () [[arm::in(\"za\")]];\n-[[arm::new(\"za\")]] void shared_d () {} // { dg-error \"conflicting types\" }\n+[[arm::new(\"za\")]] void shared_d () {} // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n \n [[arm::new(\"za\")]] void shared_e () {}\n void shared_e () [[arm::out(\"za\")]]; // { dg-error \"conflicting types\" }\n \n void shared_f () [[arm::out(\"za\")]] {}\n-[[arm::new(\"za\")]] void shared_f (); // { dg-error \"conflicting types\" }\n+[[arm::new(\"za\")]] void shared_f (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n+// { dg-bogus \"cannot apply attribute 'new' to 'shared_f' after the function has been defined\" \"PR122483\" { xfail *-*-* } .-1 }\n \n [[arm::new(\"za\")]] void shared_g () {}\n void shared_g () [[arm::preserves(\"za\")]]; // { dg-error \"conflicting types\" }\n \n void shared_h () [[arm::preserves(\"za\")]] {}\n-[[arm::new(\"za\")]] void shared_h (); // { dg-error \"conflicting types\" }\n+[[arm::new(\"za\")]] void shared_h (); // { dg-error \"conflicting types\" \"PR122483\" { xfail *-*-* } }\n+// { dg-bogus \"cannot apply attribute 'new' to 'shared_h' after the function has been defined\" \"PR122483\" { xfail *-*-* } .-1 }\n \n //----------------------------------------------------------------------------\n \n","prefixes":[]}