On 29 Jan 2017, at 19:35, Matthias Andree <[email protected]> wrote: > whenever I've traced one of the attached SIGBUS issues on gcc-compiled > i386 code with SSE2, I found that it was using unaligned 128-bit = > 16-byte wide SSE2 access which also needs 16-byte aligned data > (including stacks).
See these very old bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40838 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38496 PR 40838 is 8 years old and still has status NEW, PR38496 has WONTFIX. E.g. don't count on this getting fixed upstream. -Dimitry
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