Re: [PATCH] powerpc: Replace cc constraint in inline assembly with cr0

2014-11-02 Thread Anton Blanchard
Hi Segher, > > Our inline assembly only clobbers the first condition register > > field, but we mark all of them as being clobbered. > > No, we don't. "cc" has been an alias for cr0 for over twenty two and > a half years now; it has never changed meaning. This is an LLVM bug. Thanks! I opened

Re: [PATCH] powerpc: Replace cc constraint in inline assembly with cr0

2014-11-01 Thread Segher Boessenkool
On Sat, Nov 01, 2014 at 11:42:51AM +1100, Anton Blanchard wrote: > Our inline assembly only clobbers the first condition register field, > but we mark all of them as being clobbered. No, we don't. "cc" has been an alias for cr0 for over twenty two and a half years now; it has never changed meanin