[Bug rtl-optimization/45498] Optimisations fail above arbitrary level of complexity

[jonathan dot morton at movial dot com]

------- Comment #2 from jonathan dot morton at movial dot com  2010-09-02 11:41 -------
Compiler output:

$ gcc -v -save-temps -mcpu=G3 -Wall -O3 -ffast-math -c isolated-src-a8-u.c
Using built-in specs.
Target: powerpc-unknown-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-4.4.3-r2/work/gcc-4.4.3/configure --prefix=/usr
--bindir=/usr/powerpc-unknown-linux-gnu/gcc-bin/4.4.3
--includedir=/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/include
--datadir=/usr/share/gcc-data/powerpc-unknown-linux-gnu/4.4.3
--mandir=/usr/share/gcc-data/powerpc-unknown-linux-gnu/4.4.3/man
--infodir=/usr/share/gcc-data/powerpc-unknown-linux-gnu/4.4.3/info
--with-gxx-include-dir=/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/include/g++-v4
--host=powerpc-unknown-linux-gnu --build=powerpc-unknown-linux-gnu
--enable-altivec --disable-fixed-point --without-ppl --without-cloog
--enable-nls --without-included-gettext --with-system-zlib --disable-werror
--enable-secureplt --disable-multilib --enable-libmudflap --disable-libssp
--enable-libgomp
--with-python-dir=/share/gcc-data/powerpc-unknown-linux-gnu/4.4.3/python
--enable-checking=release --disable-libgcj --enable-objc-gc
--enable-languages=c,c++,objc,obj-c++,fortran --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.4.3-r2 p1.2'
Thread model: posix
gcc version 4.4.3 (Gentoo 4.4.3-r2 p1.2)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-mcpu=G3' '-Wall' '-O3' '-ffast-math'
'-c'
 /usr/libexec/gcc/powerpc-unknown-linux-gnu/4.4.3/cc1 -E -quiet -v -D__unix__
-D__gnu_linux__ -D__linux__ -Dunix -D__unix -Dlinux -D__linux -Asystem=linux
-Asystem=unix -Asystem=posix isolated-src-a8-u.c -D_FORTIFY_SOURCE=2
-msecure-plt -mcpu=G3 -Wall -ffast-math -O3 -fpch-preprocess -o
isolated-src-a8-u.i
ignoring nonexistent directory "/usr/local/include"
ignoring nonexistent directory
"/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/../../../../powerpc-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/include
 /usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/include-fixed
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-mcpu=G3' '-Wall' '-O3' '-ffast-math'
'-c'
 /usr/libexec/gcc/powerpc-unknown-linux-gnu/4.4.3/cc1 -fpreprocessed
isolated-src-a8-u.i -msecure-plt -quiet -dumpbase isolated-src-a8-u.c -mcpu=G3
-auxbase isolated-src-a8-u -O3 -Wall -version -ffast-math -o
isolated-src-a8-u.s
GNU C (Gentoo 4.4.3-r2 p1.2) version 4.4.3 (powerpc-unknown-linux-gnu)
        compiled by GNU C version 4.4.3, GMP version 4.3.2, MPFR version
2.4.2-p3.
GGC heuristics: --param ggc-min-expand=64 --param ggc-min-heapsize=63683
Compiler executable checksum: a8f353e88d0b3fd0803d2b037b563de0
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-mcpu=G3' '-Wall' '-O3' '-ffast-math'
'-c'

/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/../../../../powerpc-unknown-linux-gnu/bin/as
-mppc -many -V -Qy -o isolated-src-a8-u.o isolated-src-a8-u.s
GNU assembler version 2.20.1 (powerpc-unknown-linux-gnu) using BFD version (GNU
Binutils) 2.20.1.20100303
COMPILER_PATH=/usr/libexec/gcc/powerpc-unknown-linux-gnu/4.4.3/:/usr/libexec/gcc/powerpc-unknown-linux-gnu/4.4.3/:/usr/libexec/gcc/powerpc-unknown-linux-gnu/:/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/:/usr/lib/gcc/powerpc-unknown-linux-gnu/:/usr/libexec/gcc/powerpc-unknown-linux-gnu/4.4.3/:/usr/libexec/gcc/powerpc-unknown-linux-gnu/:/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/:/usr/lib/gcc/powerpc-unknown-linux-gnu/:/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/../../../../powerpc-unknown-linux-gnu/bin/
LIBRARY_PATH=/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/:/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/:/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/../../../../powerpc-unknown-linux-gnu/lib/:/usr/lib/gcc/powerpc-unknown-linux-gnu/4.4.3/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-mcpu=G3' '-Wall' '-O3' '-ffast-math'
'-c'


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45498