From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19894 invoked by alias); 4 Mar 2012 13:20:40 -0000 Received: (qmail 19883 invoked by uid 22791); 4 Mar 2012 13:20:38 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 04 Mar 2012 13:20:25 +0000 From: "olegendo at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/52479] New: SH Target: SH4A DFmode fsca tests failing Date: Sun, 04 Mar 2012 13:20:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: olegendo at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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: 2012-03/txt/msg00338.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52479 Bug #: 52479 Summary: SH Target: SH4A DFmode fsca tests failing Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned@gcc.gnu.org ReportedBy: olegendo@gcc.gnu.org CC: kkojima@gcc.gnu.org Target: sh4a-*-* As of rev 184877 the following SH4A target tests are failing: gcc.target/sh/sh4a-cos.c scan-assembler fsca gcc.target/sh/sh4a-sin.c scan-assembler fsca gcc.target/sh/sh4a-sincos.c scan-assembler-times fsca 1 These tests check whether the fsca instruction is used for DFmode standard sin and cos functions when -ffast-math is specified. While using fsca for SFmode and -ffast-math makes sense, for DFmode I think the results might be too imprecise. I would like to propose to remove the DFmode fsca code altogether. Using built-in specs. COLLECT_GCC=sh-elf-gcc COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/sh-elf/4.8.0/lto-wrapper Target: sh-elf Configured with: ../gcc-trunk/configure --target=sh-elf --prefix=/usr/local --enable-languages=c,c++ --enable-multilib --disable-libssp --disable-nls --disable-werror --enable-lto --with-newlib --with-gnu-as --with-gnu-ld --with-system-zlib Thread model: single gcc version 4.8.0 20120304 (experimental) (GCC)