Re: [PATCH, rs6000] Fix source operand contraints for tabort. pattern

2015-08-03 Thread Peter Bergner
On Mon, 2015-08-03 at 16:27 -0400, David Edelsohn wrote: > On Mon, Aug 3, 2015 at 3:39 PM, Peter Bergner wrote: > > This has passed bootstrapping and regtesting on trunk. Ok for mainline? > > > > I'd like to also backport this to the release branches. Is this ok for > > them once bootstrapping a

Re: [PATCH, rs6000] Fix source operand contraints for tabort. pattern

2015-08-03 Thread David Edelsohn
On Mon, Aug 3, 2015 at 3:39 PM, Peter Bergner wrote: > This patch fixes an oversight in the tabort. pattern (only generated via > the __builtin_tabort (cause) builtin), which currently allows using r0. > The problem is that if r0 is used, the "cause" argument value passed in > by the user will be