From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3895 invoked by alias); 12 Nov 2013 14:51:56 -0000 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 Received: (qmail 3872 invoked by uid 48); 12 Nov 2013 14:51:53 -0000 From: "terra at gnome dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/59089] sin and/or cos produce bogus results with -O2 Date: Tue, 12 Nov 2013 14:51:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 4.7.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: major X-Bugzilla-Who: terra at gnome dot 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-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-11/txt/msg01140.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59089 --- Comment #1 from M Welinder --- Version and arch details: welinder@sherwood:~> gcc -v -Wall -O0 sc.c -lm Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib64/gcc/x86_64-suse-linux/4.7/lto-wrapper Target: x86_64-suse-linux Configured with: ../configure --prefix=/usr --infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64 --enable-languages=c,c++,objc,fortran,obj-c++,java,ada --enable-checking=release --with-gxx-include-dir=/usr/include/c++/4.7 --enable-ssp --disable-libssp --disable-libitm --disable-plugin --with-bugurl=http://bugs.opensuse.org/ --with-pkgversion='SUSE Linux' --disable-libgcj --disable-libmudflap --with-slibdir=/lib64 --with-system-zlib --enable-__cxa_atexit --enable-libstdcxx-allocator=new --disable-libstdcxx-pch --enable-version-specific-runtime-libs --enable-linker-build-id --program-suffix=-4.7 --enable-linux-futex --without-system-libunwind --with-arch-32=i586 --with-tune=generic --build=x86_64-suse-linux Thread model: posix gcc version 4.7.1 20120723 [gcc-4_7-branch revision 189773] (SUSE Linux) COLLECT_GCC_OPTIONS='-v' '-Wall' '-O0' '-mtune=generic' '-march=x86-64' /usr/lib64/gcc/x86_64-suse-linux/4.7/cc1 -quiet -v sc.c -quiet -dumpbase sc.c -mtune=generic -march=x86-64 -auxbase sc -O0 -Wall -version -o /tmp/cc9NYeac.s GNU C (SUSE Linux) version 4.7.1 20120723 [gcc-4_7-branch revision 189773] (x86_64-suse-linux) compiled by GNU C version 4.7.1 20120723 [gcc-4_7-branch revision 189773], GMP version 5.0.5, MPFR version 3.1.0-p1, MPC version 0.8.2 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 #include "..." search starts here: #include <...> search starts here: /usr/lib64/gcc/x86_64-suse-linux/4.7/include /usr/local/include /usr/lib64/gcc/x86_64-suse-linux/4.7/include-fixed /usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/include /usr/include End of search list. GNU C (SUSE Linux) version 4.7.1 20120723 [gcc-4_7-branch revision 189773] (x86_64-suse-linux) compiled by GNU C version 4.7.1 20120723 [gcc-4_7-branch revision 189773], GMP version 5.0.5, MPFR version 3.1.0-p1, MPC version 0.8.2 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: e3eb1496554b3c5a9dcd68c49e292596 COLLECT_GCC_OPTIONS='-v' '-Wall' '-O0' '-mtune=generic' '-march=x86-64' /usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/as -v --64 -o /tmp/ccOxQnNc.o /tmp/cc9NYeac.s GNU assembler version 2.22 (x86_64-suse-linux) using BFD version (GNU Binutils; openSUSE 12.2) 2.22 COMPILER_PATH=/usr/lib64/gcc/x86_64-suse-linux/4.7/:/usr/lib64/gcc/x86_64-suse-linux/4.7/:/usr/lib64/gcc/x86_64-suse-linux/:/usr/lib64/gcc/x86_64-suse-linux/4.7/:/usr/lib64/gcc/x86_64-suse-linux/:/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ LIBRARY_PATH=/usr/lib64/gcc/x86_64-suse-linux/4.7/:/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/lib/:/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../:/lib/:/usr/lib/ COLLECT_GCC_OPTIONS='-v' '-Wall' '-O0' '-mtune=generic' '-march=x86-64' /usr/lib64/gcc/x86_64-suse-linux/4.7/collect2 --build-id --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../lib64/crt1.o /usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../lib64/crti.o /usr/lib64/gcc/x86_64-suse-linux/4.7/crtbegin.o -L/usr/lib64/gcc/x86_64-suse-linux/4.7 -L/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/lib -L/usr/lib64/gcc/x86_64-suse-linux/4.7/../../.. /tmp/ccOxQnNc.o -lm -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/lib64/gcc/x86_64-suse-linux/4.7/crtend.o /usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../lib64/crtn.o