Re: [PATCH] Postreload DF fix (PR middle-end/78540)

2016-11-28 Thread Jeff Law
On 11/28/2016 12:35 PM, Jakub Jelinek wrote: Hi! On the following case we ICE in DF checking, because reload_combine_recognize_pattern starts with apply_change_group that in the end on success calls df_insn_rescan, but if it is successful, we then remove_reg_equal_equiv_notes and nothing rescans

[PATCH] Postreload DF fix (PR middle-end/78540)

2016-11-28 Thread Jakub Jelinek
Hi! On the following case we ICE in DF checking, because reload_combine_recognize_pattern starts with apply_change_group that in the end on success calls df_insn_rescan, but if it is successful, we then remove_reg_equal_equiv_notes and nothing rescans the notes. Fixed by rescanning just the notes