------- Comment #48 from brian at dessent dot net 2008-10-07 12:01 ------- Subject: Re: [cygming] Invalid alignment for SSE store to .comm data generated with -O3
sherpya at netfarm dot it wrote: > I'll test your patch for the first post of the bugreport, and I'll test also > ffmpeg but I'm almost sure that this TARGET_SSE is not true in this specific > case You said you used -march=core2 to compile. This implicitly includes -msse2 (and -msse) so yes it will be set. > yes one can use -fno-common or the fix to avoid crashes when gcc vectorize > but it does not cover all cases What cases would it not cover? When placing items directly in bss or data the required alignment can be unambiguously conveyed to the assembler so I don't see how it would get lost. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216