Re: RFA: Compare Elimination Pass: Fix use of dataflow info

2011-10-07 Thread Paolo Bonzini
On 10/07/2011 12:06 PM, Nick Clifton wrote: - df_analyze (); - gcc_checking_assert (all_compares == NULL); Ok except that this particular df_analyze should stay. If it doesn't fix the bug, please try the parts of rth's patch that add the gate and the TODO_df_finish flag. Paolo

RFA: Compare Elimination Pass: Fix use of dataflow info

2011-10-07 Thread Nick Clifton
Hi Richard, Hi Paulo, Following Paulo's suggestion, here is a patch to remove the calls to df_analyze from the compare-elimination pass, and to use df_get_live_[in/out]. I can confirm that with this patch applied PR 49801 is fixed. OK to apply ? For mainline and the 4.6 branch ? Chee