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(localhost [IPv6:::1]) by gnu-cfl-2.localdomain (Postfix) with ESMTP id 23774C02C6; Fri, 20 Aug 2021 07:07:09 -0700 (PDT) To: libc-alpha@sourceware.org Subject: [PATCH v2] Update string/test-memmove.c to cover 16KB copy Date: Fri, 20 Aug 2021 07:07:09 -0700 Message-Id: <20210820140709.1045930-1-hjl.tools@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Spam-Status: No, score=-3033.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: "H.J. Lu via Libc-alpha" From: "H.J. Lu" Reply-To: "H.J. Lu" Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" --- string/test-memmove.c | 48 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/string/test-memmove.c b/string/test-memmove.c index b271248b1d..670094c9dc 100644 --- a/string/test-memmove.c +++ b/string/test-memmove.c @@ -312,6 +312,50 @@ do_test2 (size_t offset) munmap ((void *) large_buf, size); } +static void +do_test3 (size_t bytes_move, size_t offset) +{ + size_t size = bytes_move * 3; + uint32_t *buf; + + buf = mmap (NULL, size, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANON, -1, 0); + + if (buf == MAP_FAILED) + error (EXIT_UNSUPPORTED, errno, "mmap failed"); + + size_t arr_size = bytes_move / sizeof (uint32_t); + size_t i; + + FOR_EACH_IMPL (impl, 0) + { + for (i = 0; i < arr_size; i++) + buf[i] = (uint32_t) i; + + uint32_t *dst = &buf[arr_size + offset]; + +#ifdef TEST_BCOPY + CALL (impl, (char *) buf, (char *) dst, bytes_move); +#else + CALL (impl, (char *) dst, (char *) buf, bytes_move); +#endif + + for (i = 0; i < arr_size; i++) + { + if (dst[i] != (uint32_t) i) + { + error (0, 0, + "Wrong result in function %s dst \"%p\" src \"%p\" offset \"%zd\"", + impl->name, dst, buf, i); + ret = 1; + break; + } + } + } + + munmap ((void *) buf, size); +} + int test_main (void) { @@ -356,6 +400,10 @@ test_main (void) do_test2 (0x200000); do_test2 (0x4000000 - 1); do_test2 (0x4000000); + + /* Copy 16KB data. */ + do_test3 (16384, 3); + return ret; }