From patchwork Thu Mar 31 16:34:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H.J. Lu" X-Patchwork-Id: 11585 Received: (qmail 121084 invoked by alias); 31 Mar 2016 16:34:49 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 120888 invoked by uid 89); 31 Mar 2016 16:34:48 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.2 required=5.0 tests=BAYES_00, FREEMAIL_FROM, SPF_SOFTFAIL autolearn=no version=3.3.2 spammy=H*r:10.253.24, H*r:sk:orsmga1, benchtests, H*r:ip*10.253.24.23 X-HELO: mga02.intel.com X-ExtLoop1: 1 From: "H.J. Lu" To: libc-alpha@sourceware.org Subject: [PATCH 3/3] Test 64-byte alignment in memset benchtest Date: Thu, 31 Mar 2016 09:34:35 -0700 Message-Id: <1459442075-25158-4-git-send-email-hjl.tools@gmail.com> In-Reply-To: <1459442075-25158-1-git-send-email-hjl.tools@gmail.com> References: <1459442075-25158-1-git-send-email-hjl.tools@gmail.com> Add 64-byte alignment tests in memset benchtest for 64-byte vector registers. OK for master? H.J. --- * benchtests/bench-memset.c (do_test): Support 64-byte alignment. (test_main): Test 64-byte alignment. --- benchtests/bench-memset.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/benchtests/bench-memset.c b/benchtests/bench-memset.c index 6d3218a..98ec257 100644 --- a/benchtests/bench-memset.c +++ b/benchtests/bench-memset.c @@ -134,7 +134,7 @@ do_one_test (impl_t *impl, CHAR *s, int c __attribute ((unused)), size_t n) static void do_test (size_t align, int c, size_t len) { - align &= 7; + align &= 63; if ((align + len) * sizeof (CHAR) > page_size) return; @@ -181,6 +181,11 @@ test_main (void) do_test (4, c, 64); do_test (2, c, 25); } + for (i = 33; i <= 256; i += 4) + { + do_test (0, c, 32 * i); + do_test (i, c, 32 * i); + } return ret; }