Disable vectorization on pre SSE2

Eric Christopher echristo at gmail.com
Wed Mar 5 09:40:27 PST 2014

No objections here, SSE2 has been around "roughly forever" at this point.


On Wed, Mar 5, 2014 at 9:02 AM, Arnold Schwaighofer
<aschwaighofer at apple.com> wrote:
> 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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