[Bug target/37216] [cygming] Invalid alignment for SSE store to .comm data generated with -O3

[sherpya at netfarm dot it]

------- Comment #40 from sherpya at netfarm dot it  2008-10-06 18:54 -------
I mean that with -fno-common alignment works, even with non patched 4.2, my
question is due to the fact that it's not so clear for me what no-common does

and adding -fno-common what are side effects?

do using something like dummy or nops in bss section does something wrong?

at this point a forced alignment to 16 wouldn't be such a problem for the space
wasted, at least this can avoid problems with sse code (16 bytes) and 3dnow (8
bytes)

gcc may need to disable sse code on mingw/cygwin or at least avoid implicit
vectorizations


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216