{"id":2226682,"url":"http://patchwork.ozlabs.org/api/patches/2226682/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhuodmon6a.gcc.gcc-TEST.alfie.richards.49.1.9@forge-stage.sourceware.org/","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":"","list_archive_url":null,"date":"2026-04-22T18:21:57","name":"[v1,09/13] aarch64: testsuite: Add diagnostic tests for Aarch64 FMV.","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"e87abdf3888589a416aa91455cd0db8cbf35b940","submitter":{"id":93228,"url":"http://patchwork.ozlabs.org/api/people/93228/?format=json","name":"\\\"alfie.richards via Sourceware Forge\\\"","email":"forge-bot+alfie.richards@forge-stage.sourceware.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhuodmon6a.gcc.gcc-TEST.alfie.richards.49.1.9@forge-stage.sourceware.org/mbox/","series":[{"id":501072,"url":"http://patchwork.ozlabs.org/api/series/501072/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=501072","date":"2026-04-22T18:21:54","name":"FMV refactor and ACLE compliance for C++","version":1,"mbox":"http://patchwork.ozlabs.org/series/501072/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226682/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226682/checks/","tags":{},"related":[],"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 spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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server2.sourceware.org","From":"\"\\\"alfie.richards via Sourceware Forge\\\"\"\n ","Date":"Wed, 22 Apr 2026 18:21:57 +0000","Subject":"[PATCH v1 09/13] aarch64: testsuite: Add diagnostic tests for Aarch64\n FMV.","To":"gcc-patches mailing list ","Message-ID":"\n ","X-Mailer":"batrachomyomachia","X-Requested-Reviewer":["rsandifo","rearnsha"],"X-Pull-Request-Organization":"gcc","X-Pull-Request-Repository":"gcc-TEST","X-Pull-Request":"https://forge.sourceware.org/gcc/gcc-TEST/pulls/49","References":"\n ","In-Reply-To":"\n ","X-Patch-URL":"\n https://forge.sourceware.org/alfie.richards/gcc-TEST/commit/20aa4f16673c235c9f64d8f135a4d274a5e61f89","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 ","Reply-To":"gcc-patches mailing list ,\n alfierichards@sourceware.org","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"From: Alfie Richards \n\nAdd tests covering many FMV errors for Aarch64, including\nredeclaration, and mixing target_clones and target_versions.\n\ngcc/testsuite/ChangeLog:\n\n\t* g++.target/aarch64/mv-and-mvc-error1.C: New test.\n\t* g++.target/aarch64/mv-and-mvc-error2.C: New test.\n\t* g++.target/aarch64/mv-and-mvc-error3.C: New test.\n\t* g++.target/aarch64/mv-error1.C: New test.\n\t* g++.target/aarch64/mv-error2.C: New test.\n\t* g++.target/aarch64/mv-error3.C: New test.\n\t* g++.target/aarch64/mv-error4.C: New test.\n\t* g++.target/aarch64/mv-error5.C: New test.\n\t* g++.target/aarch64/mv-error6.C: New test.\n\t* g++.target/aarch64/mv-error7.C: New test.\n\t* g++.target/aarch64/mv-error8.C: New test.\n\t* g++.target/aarch64/mvc-error1.C: New test.\n\t* g++.target/aarch64/mvc-error2.C: New test.\n\t* g++.target/aarch64/mvc-warning1.C: Modified test.\n---\n .../g++.target/aarch64/mv-and-mvc-error1.C | 10 +++++++++\n .../g++.target/aarch64/mv-and-mvc-error2.C | 10 +++++++++\n .../g++.target/aarch64/mv-and-mvc-error3.C | 9 ++++++++\n gcc/testsuite/g++.target/aarch64/mv-error1.C | 19 +++++++++++++++++\n gcc/testsuite/g++.target/aarch64/mv-error2.C | 10 +++++++++\n gcc/testsuite/g++.target/aarch64/mv-error3.C | 13 ++++++++++++\n gcc/testsuite/g++.target/aarch64/mv-error4.C | 10 +++++++++\n gcc/testsuite/g++.target/aarch64/mv-error5.C | 9 ++++++++\n gcc/testsuite/g++.target/aarch64/mv-error6.C | 21 +++++++++++++++++++\n gcc/testsuite/g++.target/aarch64/mv-error7.C | 12 +++++++++++\n gcc/testsuite/g++.target/aarch64/mv-error8.C | 13 ++++++++++++\n gcc/testsuite/g++.target/aarch64/mvc-error1.C | 10 +++++++++\n gcc/testsuite/g++.target/aarch64/mvc-error2.C | 10 +++++++++\n .../g++.target/aarch64/mvc-warning1.C | 12 +++++++++--\n 14 files changed, 166 insertions(+), 2 deletions(-)\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-and-mvc-error1.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-and-mvc-error2.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-and-mvc-error3.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-error1.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-error2.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-error3.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-error4.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-error5.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-error6.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-error7.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mv-error8.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mvc-error1.C\n create mode 100644 gcc/testsuite/g++.target/aarch64/mvc-error2.C","diff":"diff --git a/gcc/testsuite/g++.target/aarch64/mv-and-mvc-error1.C b/gcc/testsuite/g++.target/aarch64/mv-and-mvc-error1.C\nnew file mode 100644\nindex 000000000000..c54e464e4027\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-and-mvc-error1.C\n@@ -0,0 +1,10 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_version (\"dotprod\"))) int\n+foo () { return 3; } /* { dg-message \"previous declaration of .\\\\\\[\\\\\\[target_version\\\\(.dotprod.\\\\)\\\\\\]\\\\\\] int foo\\\\(\\\\).\" } */\n+\n+__attribute__ ((target_clones (\"dotprod\", \"sve\"))) int\n+foo () { return 1; } /* { dg-error \".\\\\\\[\\\\\\[target_clones\\\\(.dotprod., .sve.\\\\)\\\\\\]\\\\\\] int foo\\\\(\\\\). conflicts for version .dotprod.\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mv-and-mvc-error2.C b/gcc/testsuite/g++.target/aarch64/mv-and-mvc-error2.C\nnew file mode 100644\nindex 000000000000..5cba47e1e48c\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-and-mvc-error2.C\n@@ -0,0 +1,10 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_version (\"default\"))) int\n+foo () { return 1; } /* { dg-message \"old declaration .\\\\\\[\\\\\\[target_version\\\\(.default.\\\\)\\\\\\]\\\\\\] int foo\\\\(\\\\).\" } */\n+\n+__attribute__ ((target_clones (\"dotprod\", \"sve\"))) float\n+foo () { return 3; } /* { dg-error \"ambiguating new declaration of .\\\\\\[\\\\\\[target_clones\\\\(.dotprod., .sve.\\\\)\\\\\\]\\\\\\] float foo\\\\(\\\\).\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mv-and-mvc-error3.C b/gcc/testsuite/g++.target/aarch64/mv-and-mvc-error3.C\nnew file mode 100644\nindex 000000000000..3738bac78299\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-and-mvc-error3.C\n@@ -0,0 +1,9 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+float foo () { return 1; } /* { dg-message \".float foo\\\\(\\\\). previously defined here\" } */\n+\n+__attribute__ ((target_clones (\"default\", \"dotprod\", \"sve\"))) float\n+foo () { return 3; } /* { dg-error \"redefinition of .\\\\\\[\\\\\\[target_clones\\\\(.default., .dotprod., .sve.\\\\)\\\\\\]\\\\\\] float foo\\\\(\\\\).\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mv-error1.C b/gcc/testsuite/g++.target/aarch64/mv-error1.C\nnew file mode 100644\nindex 000000000000..d56c2990c7b6\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-error1.C\n@@ -0,0 +1,19 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_version (\"default\"))) int\n+foo ();\n+\n+__attribute__ ((target_version (\"default\"))) int\n+foo () { return 1; } /* { dg-message \"old declaration .\\\\\\[\\\\\\[target_version\\\\(.default.\\\\)\\\\\\]\\\\\\] int foo\\\\(\\\\).\" } */\n+\n+__attribute__ ((target_version (\"dotprod\"))) float\n+foo () { return 3; } /* { dg-error \"ambiguating new declaration of .\\\\\\[\\\\\\[target_version\\\\(.dotprod.\\\\)\\\\\\]\\\\\\] float foo\\\\(\\\\).\" } */\n+\n+__attribute__ ((target_version (\"sve\"))) int\n+foo2 () { return 1; } /* { dg-message \"old declaration\" } */\n+\n+__attribute__ ((target_version (\"dotprod\"))) float\n+foo2 () { return 3; } /* { dg-error \"ambiguating new declaration of\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mv-error2.C b/gcc/testsuite/g++.target/aarch64/mv-error2.C\nnew file mode 100644\nindex 000000000000..9f514b303886\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-error2.C\n@@ -0,0 +1,10 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_version (\"dotprod\"))) float\n+foo () { return 3; } /* { dg-message \".\\\\\\[\\\\\\[target_version\\\\(.dotprod.\\\\)\\\\\\]\\\\\\] float foo\\\\(\\\\). previously defined here\" } */\n+\n+__attribute__ ((target_version (\"dotprod\"))) float\n+foo () { return 3; } /* { dg-error \"redefinition of .\\\\\\[\\\\\\[target_version\\\\(.dotprod.\\\\)\\\\\\]\\\\\\] float foo\\\\(\\\\).\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mv-error3.C b/gcc/testsuite/g++.target/aarch64/mv-error3.C\nnew file mode 100644\nindex 000000000000..cc6414882639\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-error3.C\n@@ -0,0 +1,13 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_version (\"dotprod\"))) float\n+foo () { return 3; }\n+\n+__attribute__ ((target_version (\"default\"))) float\n+foo () { return 3; } /* { dg-message \"previously defined here\" } */\n+\n+__attribute__ ((target_version (\"default\"))) float\n+foo () { return 3; } /* { dg-error \"redefinition of\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mv-error4.C b/gcc/testsuite/g++.target/aarch64/mv-error4.C\nnew file mode 100644\nindex 000000000000..a6b57a73c3ed\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-error4.C\n@@ -0,0 +1,10 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_version (\"test\"))) float\n+foo () { return 3; } /* { dg-error \"invalid feature modifier .test. of value .test. in .target_version. attribute\" } */\n+\n+__attribute__ ((target_version (\"sve+test\"))) float\n+foo2 () { return 3; } /* { dg-error \"invalid feature modifier .test. of value .sve.test. in .target_version. attribute\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mv-error5.C b/gcc/testsuite/g++.target/aarch64/mv-error5.C\nnew file mode 100644\nindex 000000000000..3d2c73446beb\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-error5.C\n@@ -0,0 +1,9 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_version (\"sve+sve2\"))) int\n+foo();\n+\n+int bar () { return foo (); } /* { dg-error \"no default version in scope\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mv-error6.C b/gcc/testsuite/g++.target/aarch64/mv-error6.C\nnew file mode 100644\nindex 000000000000..8ea267504802\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-error6.C\n@@ -0,0 +1,21 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_version (\"sve+sve2\"))) int\n+foo () {\n+\treturn 1;\n+}\n+\n+__attribute__ ((target_version (\"sve\"))) int\n+foo () {\n+\treturn 1;\n+}\n+\n+int bar () { return foo (); } /* { dg-error \"no matching function for call to\" } */\n+\n+__attribute__ ((target_version (\"sve+sve2\"))) int\n+foo2();\n+\n+int bar2 () { return foo2 (); } /* { dg-error \"no default version in scope\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mv-error7.C b/gcc/testsuite/g++.target/aarch64/mv-error7.C\nnew file mode 100644\nindex 000000000000..c1b58edca11d\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-error7.C\n@@ -0,0 +1,12 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_version (\"dotprod\"))) int\n+foo ();\n+\n+__attribute__ ((target_version (\"sve+sve2\"))) int\n+foo ();\n+\n+int bar () { return foo (); } /* { dg-error \"no matching function for call to\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mv-error8.C b/gcc/testsuite/g++.target/aarch64/mv-error8.C\nnew file mode 100644\nindex 000000000000..0b6b38ce1000\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mv-error8.C\n@@ -0,0 +1,13 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_version (\"dotprod\"))) int\n+foo ();\n+\n+int\n+bar ()\n+{\n+ return foo (); /* { dg-error \"no default version in scope\" } */\n+}\ndiff --git a/gcc/testsuite/g++.target/aarch64/mvc-error1.C b/gcc/testsuite/g++.target/aarch64/mvc-error1.C\nnew file mode 100644\nindex 000000000000..57d3df23cd25\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mvc-error1.C\n@@ -0,0 +1,10 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_clones (\"default, dotprod\"))) float\n+foo (); /* { dg-message \"previous declaration of .\\\\\\[\\\\\\[target_clones\\\\(.default., .dotprod.\\\\)\\\\\\]\\\\\\] float foo\\\\(\\\\).\" } */\n+\n+__attribute__ ((target_clones (\"dotprod\", \"sve\"))) float\n+foo () { return 3; } /* { dg-error \".\\\\\\[\\\\\\[target_clones\\\\(.dotprod., .sve.\\\\)\\\\\\]\\\\\\] float foo\\\\(\\\\). conflicts with overlapping .target_clone. declaration\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mvc-error2.C b/gcc/testsuite/g++.target/aarch64/mvc-error2.C\nnew file mode 100644\nindex 000000000000..752a9c06573a\n--- /dev/null\n+++ b/gcc/testsuite/g++.target/aarch64/mvc-error2.C\n@@ -0,0 +1,10 @@\n+/* { dg-do compile } */\n+/* { dg-require-ifunc \"\" } */\n+/* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n+\n+__attribute__ ((target_clones (\"default, dotprod\"))) float\n+foo () { return 3; } /* { dg-message \"previous declaration\" } */\n+\n+__attribute__ ((target_clones (\"dotprod\", \"sve\"))) float\n+foo () { return 3; } /* { dg-error \"conflicts with overlapping .target_clone. declaration\" } */\ndiff --git a/gcc/testsuite/g++.target/aarch64/mvc-warning1.C b/gcc/testsuite/g++.target/aarch64/mvc-warning1.C\nindex 59acec3fad2f..289ba64c4fc0 100644\n--- a/gcc/testsuite/g++.target/aarch64/mvc-warning1.C\n+++ b/gcc/testsuite/g++.target/aarch64/mvc-warning1.C\n@@ -1,6 +1,14 @@\n /* { dg-do compile } */\n /* { dg-require-ifunc \"\" } */\n /* { dg-options \"-O0\" } */\n+/* { dg-additional-options \"-Wno-experimental-fmv-target\" } */\n \n-__attribute__((target_clones(\"default\", \"sve\")))\n-int foo () { return 1; }/* { dg-warning \"Function Multi Versioning support is experimental, and the behavior is likely to change\" } */\n+__attribute__((target_clones(\"default\", \"dotprod\", \"sve+sve2\")))\n+int foo () {\n+ return 1;\n+}\n+\n+__attribute__((target_clones(\"invalid1+sve\")))\n+int foo () { /* { dg-warning \"invalid feature modifier .invalid1. in version .invalid1\\\\+sve. for .target_clones. attribute\" } */\n+ return 2;\n+}\n","prefixes":["v1","09/13"]}