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Re: [PATCH, rs6000] Correct vsx_set and vsx_extract patterns for little endian
- From: Bill Schmidt <wschmidt at linux dot vnet dot ibm dot com>
- To: gcc-patches at gcc dot gnu dot org
- Cc: dje dot gcc at gmail dot com
- Date: Wed, 20 Nov 2013 13:16:07 -0600
- Subject: Re: [PATCH, rs6000] Correct vsx_set and vsx_extract patterns for little endian
- Authentication-results: sourceware.org; auth=none
- References: <1384974052 dot 8558 dot 8 dot camel at oc8801110288 dot ibm dot com>
On Wed, 2013-11-20 at 13:00 -0600, Bill Schmidt wrote:
> Extracting element zero for big endian V2DI or V2DF mode is optimized
> using the scalar register equivalence. Since we can similarly optimize
> extraction of element one for big endian V2DI or V2DF mode, I added a
^
Oops. Clearly I mean little endian here.
> variant that does this. I am not sure how useful this is, and we can
> remove it if you like.