I tried to compile mplayerxp with -ftree-parallelize-loops=4 and gcc produced ICE:
gcc -m64 -c -march=amdfam10 -O3 -funroll-all-loops -ffast-math -fprefetch-loop-arrays -ftree-parallelize-loops=4 -mmmx -m3dnow -msse -msse2 -msse3 -msse4a -mabm -mcx16 -msahf --param l1-cache-line-size=64 --param l1-cache-size=128 --param l2-cache-size=512 -mfpmath=387,sse -mfancy-math-387 -mveclibabi=acml -finline-functions-called-once -funit-at-a-time -pipe -fopenmp -fopenmp -ftree-parallelize-loops=4 -I/usr/X11/include -I/usr/X11R6/include -W -Wall -D_REENTRANT -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D__USE_FILE_OFFSET64 -D__USE_LARGEFILE -D_LARGEFILE64_SOURCE -I. -I.. -I../../codecs/libavutil -Wall -o af_format.o af_format.c af_format.c: In function 'play._loopfn.6': af_format.c:382: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. -- Summary: -ftree-parallelize-loops=4 causes ICE with gcc-4.3.2 Product: gcc Version: 4.3.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: nickols_k at mail dot ru GCC build triplet: x86_64-unknown-linux GCC host triplet: x86_64-unknown-linux GCC target triplet: x86_64-unknown-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38310
