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From: "nfxjfg at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/55999] gcc 4.7.2 -O2 -floop-parallelize-all generates incorrect code Date: Wed, 16 Jan 2013 00:36:00 -0000 [thread overview] Message-ID: <bug-55999-4-eHyeuuoM2e@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-55999-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55999 --- Comment #3 from nfxjfg at gmail dot com 2013-01-16 00:35:52 UTC --- Can't attach log.txt (bugzilla is a POS and says "You already used the form to file attachment 29175."), so here it's inline: Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/i486-linux-gnu/4.7/lto-wrapper Target: i486-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Debian 4.7.2-4' --with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs --enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.7 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.7 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --enable-targets=all --with-arch-32=i586 --with-tune=generic --enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu --target=i486-linux-gnu Thread model: posix gcc version 4.7.2 (Debian 4.7.2-4) COLLECT_GCC_OPTIONS='-v' '-save-temps' '-Wall' '-Wextra' '-O2' '-floop-parallelize-all' '-mtune=generic' '-march=i586' /usr/lib/gcc/i486-linux-gnu/4.7/cc1 -E -quiet -v -imultiarch i386-linux-gnu gcc_issue.c -mtune=generic -march=i586 -Wall -Wextra -floop-parallelize-all -O2 -fpch-preprocess -o gcc_issue.i ignoring nonexistent directory "/usr/local/include/i386-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/i486-linux-gnu/4.7/../../../../i486-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/i486-linux-gnu/4.7/include /usr/local/include /usr/lib/gcc/i486-linux-gnu/4.7/include-fixed /usr/include/i386-linux-gnu /usr/include End of search list. COLLECT_GCC_OPTIONS='-v' '-save-temps' '-Wall' '-Wextra' '-O2' '-floop-parallelize-all' '-mtune=generic' '-march=i586' /usr/lib/gcc/i486-linux-gnu/4.7/cc1 -fpreprocessed gcc_issue.i -quiet -dumpbase gcc_issue.c -mtune=generic -march=i586 -auxbase gcc_issue -O2 -Wall -Wextra -version -floop-parallelize-all -o gcc_issue.s GNU C (Debian 4.7.2-4) version 4.7.2 (i486-linux-gnu) compiled by GNU C version 4.7.2, GMP version 5.0.5, MPFR version 3.1.0-p10, MPC version 0.9 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 GNU C (Debian 4.7.2-4) version 4.7.2 (i486-linux-gnu) compiled by GNU C version 4.7.2, GMP version 5.0.5, MPFR version 3.1.0-p10, MPC version 0.9 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 95cc1ede9130ac2ce2c907b3fbc1c186 COLLECT_GCC_OPTIONS='-v' '-save-temps' '-Wall' '-Wextra' '-O2' '-floop-parallelize-all' '-mtune=generic' '-march=i586' as -v --32 -o gcc_issue.o gcc_issue.s GNU assembler version 2.22 (i486-linux-gnu) using BFD version (GNU Binutils for Debian) 2.22 COLLECT_GCC_OPTIONS='-v' '-save-temps' '-Wall' '-Wextra' '-O2' '-floop-parallelize-all' '-mtune=generic' '-march=i586' /usr/lib/gcc/i486-linux-gnu/4.7/cc1 -E -quiet -v -imultiarch i386-linux-gnu gcc_issue_main.c -mtune=generic -march=i586 -Wall -Wextra -floop-parallelize-all -O2 -fpch-preprocess -o gcc_issue_main.i ignoring nonexistent directory "/usr/local/include/i386-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/i486-linux-gnu/4.7/../../../../i486-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/i486-linux-gnu/4.7/include /usr/local/include /usr/lib/gcc/i486-linux-gnu/4.7/include-fixed /usr/include/i386-linux-gnu /usr/include End of search list. COLLECT_GCC_OPTIONS='-v' '-save-temps' '-Wall' '-Wextra' '-O2' '-floop-parallelize-all' '-mtune=generic' '-march=i586' /usr/lib/gcc/i486-linux-gnu/4.7/cc1 -fpreprocessed gcc_issue_main.i -quiet -dumpbase gcc_issue_main.c -mtune=generic -march=i586 -auxbase gcc_issue_main -O2 -Wall -Wextra -version -floop-parallelize-all -o gcc_issue_main.s GNU C (Debian 4.7.2-4) version 4.7.2 (i486-linux-gnu) compiled by GNU C version 4.7.2, GMP version 5.0.5, MPFR version 3.1.0-p10, MPC version 0.9 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 GNU C (Debian 4.7.2-4) version 4.7.2 (i486-linux-gnu) compiled by GNU C version 4.7.2, GMP version 5.0.5, MPFR version 3.1.0-p10, MPC version 0.9 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 95cc1ede9130ac2ce2c907b3fbc1c186 gcc_issue_main.c: In function ‘main’: gcc_issue_main.c:4:14: warning: unused parameter ‘argc’ [-Wunused-parameter] gcc_issue_main.c:4:27: warning: unused parameter ‘argv’ [-Wunused-parameter] COLLECT_GCC_OPTIONS='-v' '-save-temps' '-Wall' '-Wextra' '-O2' '-floop-parallelize-all' '-mtune=generic' '-march=i586' as -v --32 -o gcc_issue_main.o gcc_issue_main.s GNU assembler version 2.22 (i486-linux-gnu) using BFD version (GNU Binutils for Debian) 2.22 COMPILER_PATH=/usr/lib/gcc/i486-linux-gnu/4.7/:/usr/lib/gcc/i486-linux-gnu/4.7/:/usr/lib/gcc/i486-linux-gnu/:/usr/lib/gcc/i486-linux-gnu/4.7/:/usr/lib/gcc/i486-linux-gnu/ LIBRARY_PATH=/usr/lib/gcc/i486-linux-gnu/4.7/:/usr/lib/gcc/i486-linux-gnu/4.7/../../../i386-linux-gnu/:/usr/lib/gcc/i486-linux-gnu/4.7/../../../../lib/:/lib/i386-linux-gnu/:/lib/../lib/:/usr/lib/i386-linux-gnu/:/usr/lib/../lib/:/usr/lib/gcc/i486-linux-gnu/4.7/../../../:/lib/:/usr/lib/ COLLECT_GCC_OPTIONS='-v' '-save-temps' '-Wall' '-Wextra' '-O2' '-floop-parallelize-all' '-mtune=generic' '-march=i586' /usr/lib/gcc/i486-linux-gnu/4.7/collect2 --sysroot=/ --build-id --no-add-needed --eh-frame-hdr -m elf_i386 --hash-style=both -dynamic-linker /lib/ld-linux.so.2 /usr/lib/gcc/i486-linux-gnu/4.7/../../../i386-linux-gnu/crt1.o /usr/lib/gcc/i486-linux-gnu/4.7/../../../i386-linux-gnu/crti.o /usr/lib/gcc/i486-linux-gnu/4.7/crtbegin.o -L/usr/lib/gcc/i486-linux-gnu/4.7 -L/usr/lib/gcc/i486-linux-gnu/4.7/../../../i386-linux-gnu -L/usr/lib/gcc/i486-linux-gnu/4.7/../../../../lib -L/lib/i386-linux-gnu -L/lib/../lib -L/usr/lib/i386-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/i486-linux-gnu/4.7/../../.. gcc_issue.o gcc_issue_main.o -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/lib/gcc/i486-linux-gnu/4.7/crtend.o /usr/lib/gcc/i486-linux-gnu/4.7/../../../i386-linux-gnu/crtn.o
next prev parent reply other threads:[~2013-01-16 0:36 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-01-16 0:27 [Bug c/55999] New: " nfxjfg at gmail dot com 2013-01-16 0:28 ` [Bug c/55999] " nfxjfg at gmail dot com 2013-01-16 0:33 ` nfxjfg at gmail dot com 2013-01-16 0:36 ` nfxjfg at gmail dot com [this message] 2013-01-16 9:54 ` [Bug tree-optimization/55999] " rguenth at gcc dot gnu.org 2013-01-16 9:56 ` rguenth at gcc dot gnu.org
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