https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105700
--- Comment #8 from Artem S. Tashkinov <aros at gmx dot com> --- (In reply to Richard Biener from comment #7) > It's only a guess but since GCC 12 we enable vectorization by default and > with wine and 32bit apps the stack might not be always aligned properly. So > I'd try > to use -fno-tree-vectorize as additional flag. pentium-m has SSE3 it seems > so > it might enable extra vectorization ontop of x86_64 -m32 (it depends how you > configure GCC what the arch default is for that) Building with `-O2 -pipe -m32 -fno-tree-vectorize -march=pentium-m` hasn't changed anything unfortunately.