From patchwork Thu Aug 19 19:10:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H.J. Lu" X-Patchwork-Id: 44717 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 9437139B1C1C for ; Thu, 19 Aug 2021 19:10:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9437139B1C1C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1629400256; bh=ySxl4ETzIQxc3aClqeiL7TGth647aKq+wB7A95Bj1Gg=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=eInRQyeO6GoubUJPgpfvhuZM/zpYvse6rKBZHT8YNzMPjFDlP9uoYpRC6lfl9XVmK PfHQ8GFeAOGa38mZXHr9JJSeC1XzAhC5bKwEvJCzlr5NyT4d0ePa88omqfiw965Gha xfK7cPvi+gb/SNmK9IMu7xxBYzW2N7+PG8RY8+HQ= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by sourceware.org (Postfix) with ESMTPS id CB3F5385740E for ; Thu, 19 Aug 2021 19:10:34 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org CB3F5385740E Received: by mail-pj1-x102e.google.com with SMTP id mq3so5611358pjb.5 for ; Thu, 19 Aug 2021 12:10:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=ySxl4ETzIQxc3aClqeiL7TGth647aKq+wB7A95Bj1Gg=; b=qQFJyaPftlyi+EQPRNRfMDpEhGF/dUhw42AUTAw4gneEpJNK9Ri5l3Cij/krPhomYO tWSux2s1s9G66tsFqxHSAGtLQDWBi3IQXDXA61x9+I6p3k5xfUnyHkr24sibYfmcqUjm hAkl9fKBcRuXv1eS1UYhTtYO2pNROarfDQmk1R11WPvCXFnvan1UvkaFDhhpfxz43eIK 75Kp17VMdZmG4UsI1T23I+DCrvLmFQfY3qzyQiajMcIU3envjMBHpFPluVc9xR8eiHkU XJbXBe74d2dpcfNPevAtC6YXnm4DZRhl8Zu/MLFaB36loFgOFgmzldb6GpG/xDz+qs4G wv8Q== X-Gm-Message-State: AOAM532RexxpAm7hKFeLh4k10fL5KO5JdbHUJleVkCcKhth/o2RLyLjg SZN8usGMZiE1wu7CMkw/jOh6zFFmeUc= X-Google-Smtp-Source: ABdhPJzGiM03MFxP5YRl+MdZNixIMxPAANbQj74JUCUIH3RhKUr34QalW2NaWje3WxV/BUal8A9Gdw== X-Received: by 2002:a17:90a:4584:: with SMTP id v4mr233854pjg.169.1629400233864; Thu, 19 Aug 2021 12:10:33 -0700 (PDT) Received: from gnu-cfl-2.localdomain ([172.58.38.240]) by smtp.gmail.com with ESMTPSA id j6sm4153039pfi.220.2021.08.19.12.10.33 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Aug 2021 12:10:33 -0700 (PDT) Received: from gnu-tgl-2.localdomain (gnu-tgl-2 [192.168.1.34]) by gnu-cfl-2.localdomain (Postfix) with ESMTPS id 22237C0048 for ; Thu, 19 Aug 2021 12:10:32 -0700 (PDT) Received: from gnu-tgl-2.lan (localhost [IPv6:::1]) by gnu-tgl-2.localdomain (Postfix) with ESMTP id EF1FE300318 for ; Thu, 19 Aug 2021 12:10:21 -0700 (PDT) To: libc-alpha@sourceware.org Subject: [PATCH] Update string/test-memmove.c to cover 16KB copy Date: Thu, 19 Aug 2021 12:10:21 -0700 Message-Id: <20210819191021.3766894-1-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 | 49 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/string/test-memmove.c b/string/test-memmove.c index b271248b1d..812f6bde9e 100644 --- a/string/test-memmove.c +++ b/string/test-memmove.c @@ -312,6 +312,52 @@ do_test2 (size_t offset) munmap ((void *) large_buf, size); } +static void +do_test3 (void) +{ + /* Copy 16KB data. */ + size_t bytes_move = 16384; + size_t size = 16384 * 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 + 3]; + +#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 +402,9 @@ test_main (void) do_test2 (0x200000); do_test2 (0x4000000 - 1); do_test2 (0x4000000); + + do_test3 (); + return ret; }