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GET /api/patches/2194422/?format=api
{ "id": 2194422, "url": "http://patchwork.ozlabs.org/api/patches/2194422/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/patch/20260208220454.51741-3-zihong.plct@isrc.iscas.ac.cn/", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/projects/41/?format=api", "name": "GNU C Library", "link_name": "glibc", "list_id": "libc-alpha.sourceware.org", "list_email": "libc-alpha@sourceware.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260208220454.51741-3-zihong.plct@isrc.iscas.ac.cn>", "list_archive_url": null, "date": "2026-02-08T22:04:37", "name": "[RFC,2/5] riscv: libmvec: add ABI tests", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bab15854abac95cc1409ce95f7ac0907f3c1cf28", "submitter": { "id": 91553, "url": "http://patchwork.ozlabs.org/api/people/91553/?format=api", "name": "Yao Zihong", "email": "zihong.plct@isrc.iscas.ac.cn" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/glibc/patch/20260208220454.51741-3-zihong.plct@isrc.iscas.ac.cn/mbox/", "series": [ { "id": 491443, "url": "http://patchwork.ozlabs.org/api/series/491443/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/list/?series=491443", "date": "2026-02-08T22:04:40", "name": "riscv: Add libmvec routines", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/491443/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2194422/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2194422/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "libc-alpha@sourceware.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "libc-alpha@sourceware.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org\n (client-ip=2620:52:6:3111::32; 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server2.sourceware.org", "From": "Yao Zihong <zihong.plct@isrc.iscas.ac.cn>", "To": "libc-alpha@sourceware.org", "Cc": "zhangyin2018@iscas.ac.cn, zihongyao@outlook.com,\n Zihong Yao <zihong.plct@isrc.iscas.ac.cn>", "Subject": "[RFC PATCH 2/5] riscv: libmvec: add ABI tests", "Date": "Mon, 9 Feb 2026 06:04:37 +0800", "Message-ID": "<20260208220454.51741-3-zihong.plct@isrc.iscas.ac.cn>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20260208220454.51741-1-zihong.plct@isrc.iscas.ac.cn>", "References": "<20260208220454.51741-1-zihong.plct@isrc.iscas.ac.cn>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-CM-TRANSID": "qwCowAAHsGuICIlpA257Bw--.50153S4", "X-Coremail-Antispam": "1UD129KBjvJXoWxtF17uF45Kr15Ww17Kw1DGFg_yoW3JrWkpF\n Z5uF45CF1DJrWxW34S9r1UZF4FgryFqF45Gr13Aw15XrW5tr48ZFs2ya4kWw1xCFWrurWU\n ZanruFy3Cr1rJaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2\n 9KBjDU0xBIdaVrnRJUUU9v14x267AKxVW5JVWrJwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0\n rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jryl82xGYIkIc2\n x26xkF7I0E14v26r1I6r4UM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0\n Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l84\n ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UM2AI\n xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x\n vE14v26r106r15McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv\n r2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxAIw28IcxkI7VAKI48JMxC20s\n 026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_\n JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14\n v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xva\n j40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JV\n W8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbQ6pPUUUUU==", "X-Originating-IP": "[183.6.59.140]", "X-CM-SenderInfo": "p2lk00vjoszunw6l223fol2u1dvotugofq/", "X-BeenThere": "libc-alpha@sourceware.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Libc-alpha mailing list <libc-alpha.sourceware.org>", "List-Unsubscribe": "<https://sourceware.org/mailman/options/libc-alpha>,\n <mailto:libc-alpha-request@sourceware.org?subject=unsubscribe>", "List-Archive": "<https://sourceware.org/pipermail/libc-alpha/>", "List-Post": "<mailto:libc-alpha@sourceware.org>", "List-Help": "<mailto:libc-alpha-request@sourceware.org?subject=help>", "List-Subscribe": "<https://sourceware.org/mailman/listinfo/libc-alpha>,\n <mailto:libc-alpha-request@sourceware.org?subject=subscribe>", "Errors-To": "libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org" }, "content": "From: Zihong Yao <zihong.plct@isrc.iscas.ac.cn>\n\nAdd libmvec ABI tests for RISC-V by generating per-function\ntest targets and wiring them into the mathvec build.\n\nThe tests compile with RVV-capable -march flags and the fast-math\ntest options, and introduce a simple one-argument vector ABI\nharness plus a log test.\n\nSigned-off-by: Zihong Yao <zihong.plct@isrc.iscas.ac.cn>\n---\n sysdeps/riscv/rvd/Makeconfig | 34 ++++++++++++++++\n sysdeps/riscv/rvd/Makefile | 14 +++++++\n sysdeps/riscv/rvd/test-double-libmvec-log.c | 21 ++++++++++\n sysdeps/riscv/rvd/test-vector-abi-arg1.h | 45 +++++++++++++++++++++\n sysdeps/riscv/rvd/test-vector-abi.h | 36 +++++++++++++++++\n 5 files changed, 150 insertions(+)\n create mode 100644 sysdeps/riscv/rvd/test-double-libmvec-log.c\n create mode 100644 sysdeps/riscv/rvd/test-vector-abi-arg1.h\n create mode 100644 sysdeps/riscv/rvd/test-vector-abi.h", "diff": "diff --git a/sysdeps/riscv/rvd/Makeconfig b/sysdeps/riscv/rvd/Makeconfig\nindex 56f63a5d01..84649c6500 100644\n--- a/sysdeps/riscv/rvd/Makeconfig\n+++ b/sysdeps/riscv/rvd/Makeconfig\n@@ -31,3 +31,37 @@ libmvec-double-funcs-with-data = \\\n \n libmvec-float-funcs = $(libmvec-float-funcs-bare) $(libmvec-float-funcs-with-data)\n libmvec-double-funcs = $(libmvec-double-funcs-bare) $(libmvec-double-funcs-with-data)\n+\n+ifeq ($(config-machine),riscv64)\n+libmvec-abi-test-arch-cflags = -march=rv64gcv\n+else ifeq ($(config-machine),riscv32)\n+libmvec-abi-test-arch-cflags = -march=rv32gcv\n+endif\n+\n+libmvec-abi-test-cflags = \\\n+ $(libmvec-abi-test-arch-cflags) \\\n+ $(libm-test-fast-math-cflags) \\\n+ -fno-inline -fopenmp -Wno-unknown-pragmas\n+\n+# The base libmvec ABI tests.\n+libmvec-abi-func-tests = \\\n+ $(addprefix test-float-libmvec-,$(libmvec-float-funcs)) \\\n+ $(addprefix test-double-libmvec-,$(libmvec-double-funcs)) \\\n+\n+$(common-objpfx)libmvec.mk: $(common-objpfx)config.make\n+\t(echo \"ifeq (\\$$(subdir)\\$$(build-mathvec),mathyes)\"; \\\n+\t echo; \\\n+\t for t in $(libmvec-abi-func-tests); do \\\n+\t echo \"\\$$(objpfx)$$t: \\\\\"; \\\n+\t echo \" \\$$(objpfx)$$t.o \\\\\"; \\\n+\t echo \" \\$$(libmvec)\"; \\\n+\t echo \"LDLIBS-$$t = \\$$(libmvec)\"; \\\n+\t echo; \\\n+\t done; \\\n+\t for t in $(libmvec-abi-func-tests); do \\\n+\t echo \"CFLAGS-$$t.c = \\\\\"; \\\n+\t echo \" \\$$(libmvec-abi-test-cflags)\"; \\\n+\t echo; \\\n+\t done; \\\n+\t echo \"endif\";)> $@T\n+\tmv -f $@T $@\ndiff --git a/sysdeps/riscv/rvd/Makefile b/sysdeps/riscv/rvd/Makefile\nindex 05cd793906..7f409e3f02 100644\n--- a/sysdeps/riscv/rvd/Makefile\n+++ b/sysdeps/riscv/rvd/Makefile\n@@ -23,3 +23,17 @@ $(foreach f,$(libmvec-sysdep_routines), $(eval $(call riscv32-vector-cflags-temp\n endif\n \n endif\n+\n+ifneq ($(multi-arch),no)\n+ifeq ($(subdir)$(build-mathvec),mathyes)\n+\n+ifneq ($(have-test-clang),yes)\n+\n+tests += \\\n+ $(libmvec-abi-func-tests) \\\n+\n+endif\n+\n+endif\n+\n+endif\ndiff --git a/sysdeps/riscv/rvd/test-double-libmvec-log.c b/sysdeps/riscv/rvd/test-double-libmvec-log.c\nnew file mode 100644\nindex 0000000000..fa81716a1a\n--- /dev/null\n+++ b/sysdeps/riscv/rvd/test-double-libmvec-log.c\n@@ -0,0 +1,21 @@\n+/* Vector ABI test for RISC-V libmvec log.\n+ Copyright (C) 2026 Free Software Foundation, Inc.\n+ This file is part of the GNU C Library.\n+\n+ The GNU C Library is free software; you can redistribute it and/or\n+ modify it under the terms of the GNU Lesser General Public\n+ License as published by the Free Software Foundation; either\n+ version 2.1 of the License, or (at your option) any later version.\n+\n+ The GNU C Library is distributed in the hope that it will be useful,\n+ but WITHOUT ANY WARRANTY; without even the implied warranty of\n+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n+ Lesser General Public License for more details.\n+\n+ You should have received a copy of the GNU Lesser General Public\n+ License along with the GNU C Library; if not, see\n+ <https://www.gnu.org/licenses/>. */\n+\n+#define LIBMVEC_TYPE double\n+#define LIBMVEC_FUNC log\n+#include \"test-vector-abi-arg1.h\"\ndiff --git a/sysdeps/riscv/rvd/test-vector-abi-arg1.h b/sysdeps/riscv/rvd/test-vector-abi-arg1.h\nnew file mode 100644\nindex 0000000000..1c28be8aa6\n--- /dev/null\n+++ b/sysdeps/riscv/rvd/test-vector-abi-arg1.h\n@@ -0,0 +1,45 @@\n+/* Test for vector ABI with 1 argument.\n+ Copyright (C) 2026 Free Software Foundation, Inc.\n+ This file is part of the GNU C Library.\n+\n+ The GNU C Library is free software; you can redistribute it and/or\n+ modify it under the terms of the GNU Lesser General Public\n+ License as published by the Free Software Foundation; either\n+ version 2.1 of the License, or (at your option) any later version.\n+\n+ The GNU C Library is distributed in the hope that it will be useful,\n+ but WITHOUT ANY WARRANTY; without even the implied warranty of\n+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n+ Lesser General Public License for more details.\n+\n+ You should have received a copy of the GNU Lesser General Public\n+ License along with the GNU C Library; if not, see\n+ <https://www.gnu.org/licenses/>. */\n+\n+#include <math.h>\n+#include <support/test-driver.h>\n+\n+/* Since libsupport_nonshared.a is placed before test-libmvec*.o, which\n+ defines do_test, reference support_test_main here to include it to\n+ avoid undefined reference to support_test_main. The libmvec ABI test\n+ doesn't need other symbols in libsupport_nonshared.a. */\n+__typeof (support_test_main) *support_test_main_p = support_test_main;\n+\n+#define N 1000\n+LIBMVEC_TYPE x[N], c[N];\n+\n+int\n+test_vector_abi (void)\n+{\n+ int i;\n+ for (i = 0; i < N; i++)\n+ c[i] = i / 3;\n+\n+#pragma omp simd\n+ for (i = 0; i < N; i++)\n+ x[i] = LIBMVEC_FUNC (c[i]);\n+\n+ return 0;\n+}\n+\n+#include <test-vector-abi.h>\ndiff --git a/sysdeps/riscv/rvd/test-vector-abi.h b/sysdeps/riscv/rvd/test-vector-abi.h\nnew file mode 100644\nindex 0000000000..35d4d2042a\n--- /dev/null\n+++ b/sysdeps/riscv/rvd/test-vector-abi.h\n@@ -0,0 +1,36 @@\n+/* Test for vector ABI.\n+ Copyright (C) 2026 Free Software Foundation, Inc.\n+ This file is part of the GNU C Library.\n+\n+ The GNU C Library is free software; you can redistribute it and/or\n+ modify it under the terms of the GNU Lesser General Public\n+ License as published by the Free Software Foundation; either\n+ version 2.1 of the License, or (at your option) any later version.\n+\n+ The GNU C Library is distributed in the hope that it will be useful,\n+ but WITHOUT ANY WARRANTY; without even the implied warranty of\n+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n+ Lesser General Public License for more details.\n+\n+ You should have received a copy of the GNU Lesser General Public\n+ License along with the GNU C Library; if not, see\n+ <https://www.gnu.org/licenses/>. */\n+\n+#include <stdbool.h>\n+#include <support/test-driver.h>\n+#include <sys/hwprobe.h>\n+\n+extern int test_vector_abi (void);\n+\n+static int\n+do_test (void)\n+{\n+ struct riscv_hwprobe pair = { .key = RISCV_HWPROBE_KEY_IMA_EXT_0 };\n+ if (__riscv_hwprobe (&pair, 1, 0, NULL, 0) != 0\n+ || (pair.value & RISCV_HWPROBE_IMA_V) == 0)\n+ return EXIT_UNSUPPORTED;\n+\n+ return test_vector_abi ();\n+}\n+\n+#include <support/test-driver.c>\n", "prefixes": [ "RFC", "2/5" ] }