[llvm-commits] [PATCH 2/2] fix issues similar to PR11334

[Michael Liao]

Ping...

Thanks
- Michael

On Sat, 2012-08-18 at 21:16 -0700, Michael Liao wrote:
> Ping again.
> 
> Yours
> - Michael
> 
> On Thu, 2012-08-16 at 10:48 -0700, Michael Liao wrote:
> > revised again with special case (all operands in BUILD_VECTOR are
> > undefined.).
> > 
> > Yours
> > - Michael
> > 
> > On Wed, 2012-08-15 at 09:51 -0700, Michael Liao wrote:
> > > Here is a revised patch reducing FP_ROUND DAG combination overhead.
> > > 
> > > Yours
> > > - Michael
> > > 
> > > On Tue, 2012-08-14 at 15:32 -0700, Michael Liao wrote:
> > > > Hi
> > > > 
> > > > Here're two patches fixing issues similar to but not the exactly same as
> > > > PR11334. The second part fixes FPROUND from f64 vector to f32 vector.
> > > > This patches add a lowering helper for BUILD_VECTOR to recognize the
> > > > scalarized pattern due to FPROUND requires matching elements. A lower
> > > > overhead DAG combination of FPROUND is added as well to handle a special
> > > > case (v2f64 -> v2f32) in AVX, where it's converted to v4f64 -> v4f32
> > > > after type legalization and, instead of vcvtpd2ps, use vcvtpd2psy and
> > > > unnecessary 256-bit vector registers. Tests are added/revised as well.
> > > > 
> > > > Yours
> > > > - Michael
> > > > 
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