Re: [PATCH 4/6] rs6000: Delete some now-superfluous zero_ext{end,ract} patterns

2015-05-11 Thread David Edelsohn
On Sun, May 10, 2015 at 12:13 PM, Segher Boessenkool seg...@kernel.crashing.org wrote: After the change to combine, we no longer need all the special-case patterns. Tested on powerpc64-linux, as usual. As mentioned with the combine patch, there are no differences to generated code in cc1.

[PATCH 4/6] rs6000: Delete some now-superfluous zero_ext{end,ract} patterns

2015-05-10 Thread Segher Boessenkool
After the change to combine, we no longer need all the special-case patterns. Tested on powerpc64-linux, as usual. As mentioned with the combine patch, there are no differences to generated code in cc1. This does not delete DImode lshiftrt patterns, because those do not exist (yet). Is this