> Jan Hubicka <hubi...@ucw.cz> writes: > > > Hi, > > this patch adds support for speculative calls into callgraph. The idea is > > that > > any IPA optimization that believes it knows likely target of an indirect > > call > > (currently I use it for cross-module indirect call profiling, but I expect > > Martin J. can easily add support for ipa-cp and I hope to add speculative > > devirtualization in foreseeable future since it should make difference for > > Firefox). Speculative call replaces indirect call > > Patch appears to break boot strap on x86_64-linux > (or maybe your other one)
How do you bootstrap? This should not be used w/o lto+profiledbootstrap and that seems to work for me... I will re-try with clean tree now. Honza > > 0x827ab7 crash_signal > ../../gcc/gcc/toplev.c:335 > 0x827ab7 crash_signal > ../../gcc/gcc/toplev.c:335 > 0x827ab7 crash_signal > ../../gcc/gcc/toplev.c:335 > 0x827ab7 crash_signal > ../../gcc/gcc/toplev.c:335 > 0x827ab7 crash_signal > ../../gcc/gcc/toplev.c:335 > 0x827ab7 crash_signal > ../../gcc/gcc/toplev.c:335 > 0x827ab7 crash_signal > ../../gcc/gcc/toplev.c:335 > 0x5d0c6c cgraph_speculative_call_info(cgraph_edge*, cgraph_edge*&, > cgraph_edge*&, ipa_ref*&) > ../../gcc/gcc/cgraph.c:1098 > 0x5d1270 cgraph_set_call_stmt(cgraph_edge*, gimple_statement_d*, bool) > ../../gcc/gcc/cgraph.c:774 > 0x5d0c6c cgraph_speculative_call_info(cgraph_edge*, cgraph_edge*&, > cgraph_edge*&, ipa_ref*&) > ../../gcc/gcc/cgraph.c:1098 > 0x5d1270 cgraph_set_call_stmt(cgraph_edge*, gimple_statement_d*, bool) > ../../gcc/gcc/cgraph.c:774 > 0x5d0c6c cgraph_speculative_call_info(cgraph_edge*, cgraph_edge*&, > cgraph_edge*&, ipa_ref*&) > ../../gcc/gcc/cgraph.c:1098 > ... > > > -Andi > > -- > a...@linux.intel.com -- Speaking for myself only
