On Thu, Sep 08, 2016 at 11:55:04AM -0600, Jeff Law wrote: > On 07/31/2016 07:42 PM, Segher Boessenkool wrote: > >Doing cprop on frame-related instructions blows up spectacularly. > >So don't. > > > >2016-06-07 Segher Boessenkool <seg...@kernel.crashing.org> > > > > * regcprop.c (copyprop_hardreg_forward_1): Don't change > > RTX_FRAME_RELATED_P instructions. > Example or testcase?
A bunch of testsuite things, maybe many even, I don't remember, it's been a while. Easy to find out though :-) (It'll take at least a day). Segher