On 10/24/13 15:10, Eric Botcazou wrote:
As discovered by Richard B. under PR rtl-optimization/58831, the peephole2 pass has been context-sensitive for a long time when scratch registers are needed, in the sense that the behaviour of the pass for a given function is dependent on what happened for the previously optimized function.Obvious patch attached, tested on x86_64-suse-linux. Do we want to apply it on mainline only or on all the active branches? 2013-10-24 Eric Botcazou <ebotca...@adacore.com> * recog.c (search_ofs): New static variable moved from... (peep2_find_free_register): ...here. (peephole2_optimize): Initialize it.
OK for trunk. Release branch owners have the final call for their branches. Thanks for taking the time to track this down. jeff
