On 06/02/17 15:26, Jan Hubicka wrote:
I think it is not a regression, just the testcase if fragile and depends on outcome of ifcombine. It seems it was updated several time in the past. I am not quite sure what the test is testing.
They are tring to make sure optimal stack adjustment decisions are made. Fix the testcases by disabling relevant transformation passes looks one way to me. The other way, might be more reliable, is we dump the decisions made during aarch64 frame layout if dump_file be true, and prefix the dump entry by function name to make it easier caught by dejagnu. We then scan rtl dump instead of instructions.