------- Comment #35 from ubizjak at gmail dot com 2009-09-04 14:08 ------- (In reply to comment #30) > Regarding Alpha, there seem to be code generation differences, at least in > tree-vect-slp.o. Can you check e.g. if there are the code generation > differences even when you compile it with stage1 in both cases, just once with > -g and once with -g0? If so, can you attach preprocessed source for it?
No, there were no code differences between objdumps of -g/g0 and (-O2 -g)/(-O2 -g0) when compiled with stage1-gcc/cc1. I think the problem is in register allocator, as suggested in comment #12. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41241