Hi Riku, I can reproduce this with recent FSF mainline configured similarly to Debian's arm-linux-gnueabi soft-float target. It doesn't reproduce on hard-float.
We are looking into this. Thanks for the bug report! -- Maxim Kuvyrkov www.linaro.org On Apr 11, 2014, at 1:55 AM, Riku Voipio <riku.voi...@linaro.org> wrote: > On 9 April 2014 22:22, Maxim Kuvyrkov <maxim.kuvyr...@linaro.org> wrote: > On Apr 9, 2014, at 1:51 AM, Riku Voipio <riku.voi...@linaro.org> wrote: > > > Hi, > > > > The preprocessed file: > > > > http://people.linaro.org/~rikuvoipio/qmltextgenerator.ii.gz > > > > With compile command line: > > > > g++ -save-temps -c -g -O2 -fstack-protector --param=ssp-buffer-size=4 > > -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -fvisibility=hidden > > -fvisibility-inlines-hidden -Wall -W -D_REENTRANT -fPIC -o x.o > > qmltextgenerator.ii > > > > Will take apparently forever (north of 1600min) on a debian native gcc. -O > > compiles instantly. Some bisecting for gcc optimization flags later, > > disabling strict aliasing allows instant build as well: > > > > g++ -save-temps -c -g -O2 -fno-strict-aliasing -fstack-protector > > --param=ssp-buffer-size=4 -Wformat -Werror=format-security > > -D_FORTIFY_SOURCE=2 -fvisibility=hidden -fvisibility-inlines-hidden -Wall > > -W -D_REENTRANT -fPIC -o x.o qmltextgenerator.ii > > > > Happens with: > > gcc version 4.8.2 (Debian 4.8.2-19) > > and > > gcc version 4.9.0 20140405 (experimental) [trunk revision 209146] (Debian > > 20140405-1) > > > > Linaro binary cross-compilers are compile the file fine with -O2. > > > > do we do native gcc testing, or should it be just submitted upstream > > bugzilla? > > > > Hi Riku, > > Thanks for providing preprocessed source and full command line. Ideally, you > also should have provided output of "gcc -v" which shows how the compiler was > configured and what various defaults are. Right now it is not clear whether > the bug report is against armel, armhf or arm64. > > I have tested GCC in armhf Sid, armhf Trusty, arm64 Saucy, as well as recent > FSF GCC mainline on armhf and can't reproduce the problem. Please attach > output of "g++ -v" and the exact target / distribution configuration. > > Thank you, > > -- > Maxim Kuvyrkov > www.linaro.org > > > Hi, > > This is with debian/armel. > > g++ -v > Using built-in specs. > COLLECT_GCC=g++ > COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-linux-gnueabi/4.8/lto-wrapper > Target: arm-linux-gnueabi > Configured with: ../src/configure -v --with-pkgversion='Debian 4.8.2-19' > --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs > --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr > --program-suffix=-4.8 --enable-shared --enable-linker-build-id > --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix > --with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls > --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug > --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap > --disable-libitm --disable-libquadmath --enable-plugin --with-system-zlib > --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo > --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-armel/jre --enable-java-home > --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-armel > --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-armel > --with-arch-directory=arm --with-ecj-jar=/usr/share/java/eclipse-ecj.jar > --enable-objc-gc --enable-multiarc h --disable-sjlj-exceptions --with-arch=armv4t --with-float=soft --enable-checking=release --build=arm-linux-gnueabi --host=arm-linux-gnueabi --target=arm-linux-gnueabi > Thread model: posix > gcc version 4.8.2 (Debian 4.8.2-19) > > Riku _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
