[Diffusion] rL259840: Fix for PR 26356

[Hal Finkel via llvm-commits]

----- Original Message -----
> From: "Nemanja Ivanovic" <nemanja.i.ibm at gmail.com>
> To: "Hans Wennborg" <hans at chromium.org>, "Hal Finkel" <hfinkel at anl.gov>
> Sent: Thursday, February 4, 2016 5:22:16 PM
> Subject: Fwd: [Diffusion] rL259840: Fix for PR 26356
> 
> Hi Hans,
> this should be the last of those fixes for PPC Fast Isel.

Approved.

 -Hal

> Would you
> be able to merge this into 3.8?
> 
> Thank you,
> Nemanja
> 
> 
> ---------- Forwarded message ----------
> From: Nemanja Ivanovic < nemanja.i.ibm at gmail.com >
> Date: Fri, Feb 5, 2016 at 12:19 AM
> Subject: Re: [Diffusion] rL259840: Fix for PR 26356
> To: nemanja.i.ibm at gmail.com
> 
> 
> nemanjai committed rL259840: Fix for PR 26356.
> 
> Fix for PR 26356
> 
> Using the load immediate only when the immediate (whether signed or
> unsigned)
> can fit in a 16-bit signed field. Namely, from -32768 to 32767 for
> signed and
> 0 to 65535 for unsigned. This patch also ensures that we sign-extend
> under the
> right conditions.
> 
> 
> Files:
> /llvm/trunk/lib/Target/PowerPC/PPCFastISel.cpp
> /llvm/trunk/test/CodeGen/PowerPC/pr26356.ll
> 
> Users:
> nemanjai (Author)
> 
> http://reviews.llvm.org/rL259840
> 
> 
> 
> 
> 

-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory