Re: [PATCH], PR 68404 patch #4 (fix earlyclobber problem on power8 fusion)

2016-02-18 Thread David Edelsohn
On Thu, Feb 18, 2016 at 11:45 AM, Michael Meissner wrote: > This patch to rs6000.md (which is essentially the same as #3) fixes the > problem > by removing the early clobber. The patches to predicates.md, and the fusion > tests revert my changes on February 9th that originally 'solved' the probl

Re: [PATCH], PR 68404 patch #4 (fix earlyclobber problem on power8 fusion)

2016-02-18 Thread Michael Meissner
This patch to rs6000.md (which is essentially the same as #3) fixes the problem by removing the early clobber. The patches to predicates.md, and the fusion tests revert my changes on February 9th that originally 'solved' the problem by not allowing fusion of ADDI values. We have tested the fix us