From: David Miller <da...@davemloft.net> Date: Tue, 06 Nov 2012 13:54:01 -0500 (EST)
> From: David Miller <da...@davemloft.net> > Date: Tue, 06 Nov 2012 13:26:53 -0500 (EST) > >> From: Jan Hubicka <hubi...@ucw.cz> >> Date: Tue, 6 Nov 2012 19:21:46 +0100 >> >>> The problem here is really that MAX_TIME * MAX_FREQ do not fit into 32bit >>> integer. Fixed thus. >>> >>> * ipa-inline.c (compute_uninlined_call_time): Return gcov_type. >>> (compute_inlined_call_time): Watch overflows. >>> (relative_time_benefit): Compute in gcov_type. >> >> Thanks Jan, I'll test this right now. > > Bootstrap still fails with this change installed: > > ../../gcc/gcc/graphite-interchange.c:645:1: internal compiler error: in > relative_time_benefit, at \ > ipa-inline.c:785 > } The problem appears to be that inline_summary (edge->caller)->time is negative. #1 0x010828a0 in relative_time_benefit (callee_info=0xf76fcb10, edge=0xf598a980, edge_time=3861) \ at ../../gcc/gcc/ipa-inline.c:785 (gdb) p callee_info->time $1200 = 3864 (gdb) p edge->frequency $1201 = 263 (gdb) p (callee_info->time * edge->frequency) $1202 = 1016232 (gdb) p edge->caller->global.inlined_to $1203 = (cgraph_node *) 0x0 (gdb) p edge->caller $1204 = (cgraph_node *) 0xf589ed10 (gdb) p p inline_summary (edge->caller)->time No symbol "p" in current context. (gdb) p inline_summary (edge->caller)->time $1205 = -1044761 (gdb)
