From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15712 invoked by alias); 21 Jun 2010 15:49:30 -0000 Received: (qmail 15621 invoked by uid 48); 21 Jun 2010 15:49:15 -0000 Date: Mon, 21 Jun 2010 15:49:00 -0000 Message-ID: <20100621154915.15620.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug fortran/41137] inefficient zeroing of an array In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jv244 at cam dot ac dot uk" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2010-06/txt/msg02060.txt.bz2 ------- Comment #9 from jv244 at cam dot ac dot uk 2010-06-21 15:49 ------- (In reply to comment #7) > I cannot reproduce the factor of 10 results, however. Here this still is the case (so might depend on the precise architecture): /data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/f951 test.f90 -march=k8-sse3 -mcx16 -msahf --param l1-cache-size=64 --param l1-cache-line-size=64 --param l2-cache-size=1024 -mtune=k8 -quiet -dumpbase test.f90 -auxbase test -O3 -version -fintrinsic-modules-path /data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/finclude -o /tmp/ccXsKXnD.s > ./a.out 0.10800600 1.0520660 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41137