Disable vectorization on pre SSE2

Demikhovsky, Elena elena.demikhovsky at intel.com
Wed Mar 5 22:39:40 PST 2014

Does anyone today have a pre SSE2 computer? SSE2 was introduced more than 10 years ago.

-  Elena

-----Original Message-----
From: Benjamin Kramer [mailto:benny.kra at gmail.com] 
Sent: Wednesday, March 05, 2014 21:45
To: Arnold Schwaighofer
Cc: llvm-commits; Chandler Carruth; Hal Finkel; Demikhovsky, Elena; Nadav Rotem
Subject: Re: Disable vectorization on pre SSE2

On 05.03.2014, at 18:02, 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.

This is the right thing to do, getting the bugs fixed would also be a good thing :)

- Ben

Intel Israel (74) Limited

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