Re: [PATCH, rs6000, 4.8] Fix V2DI/V2DF load/extract logic for LE

2015-03-26 Thread David Edelsohn
On Thu, Mar 26, 2015 at 10:00 AM, Bill Schmidt wrote: > Hi, > > While working on a backport, I discovered a bug that only exists in the > 4.8 branch (the buggy code was rewritten with the direct move additions > in 4.9). A load-and-extract of the first doubleword in memory can > always be done wi

[PATCH, rs6000, 4.8] Fix V2DI/V2DF load/extract logic for LE

2015-03-26 Thread Bill Schmidt
Hi, While working on a backport, I discovered a bug that only exists in the 4.8 branch (the buggy code was rewritten with the direct move additions in 4.9). A load-and-extract of the first doubleword in memory can always be done with the lxsd[u]x instruction. In 4.8 I wrongly added code to use t