Hi Jeff, On Sun, Mar 24, 2019 at 09:20:07AM -0600, Jeff Law wrote: > + PR rtl-optimization/87761 > + * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET, > + not INSN. Also check RTX_FRAME_RELATED_P. Queue insns for DF rescan > + as needed.
Why the RTX_FRAME_RELATED_P addition? You didn't explain it I think. Is it just a bugfix, or something this patch exposed, something that couldn't happen before (or was harmless) and now isn't anymore? Or should this part be backported :-) Segher
