Disable vectorization on pre SSE2

Arnold Schwaighofer aschwaighofer at apple.com
Wed Mar 5 09:02:05 PST 2014

Hi all,

does anyone have objections against disabling vectorization on pre SSE2 architectures. I don’t think we have bots testing this and so bugs are likely (see PR18036). We fail in isel for a simple vector select.

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