Bootstrap succeeds with Maxim's patch (r216624). The other, significant changes I see on trunk between r216624 and r216674 are:
match-and-simplify through r216632 ipc-icf in r216662 libstdc++ in r216667 No other patches to trunk *seem* like they should affect PPC bootstrap. - David On Sat, Oct 25, 2014 at 10:04 AM, David Edelsohn <dje....@gmail.com> wrote: > It may be fallout from Maxim's scheduler patch. I'm testing that. > Backing up before Maxim's patch and your genmatch patch does not enter > an endless loop. > > - David > > On Sat, Oct 25, 2014 at 4:06 AM, Richard Biener <rguent...@suse.de> wrote: >> On October 25, 2014 1:33:39 AM CEST, David Edelsohn <dje....@gmail.com> >> wrote: >>>genmatch is hanging when bootstrapping on AIX (gcc111). When I attach >>>to the process: >>> >>>#0 0x1007efac in std::basic_string<char, std::char_traits<char>, >>>std::allocator<char> >::basic_string () >>>#1 0x1000e6b0 in _ZN6parser13parse_captureEP7operand (this=0x300594b8, >>>op=0x0) >>> at /home/dje/src/src/gcc/genmatch.c:2607 >> >> Does it really hang in libstdc++ or does it loop somewhere in genmatch? Is >> this stage1 or later? >> >> Does this happen only after the 2nd part of the merge went in? That is, what >> revision? >> >> Thanks, >> Richard. >> >>>#2 0x1000e9f0 in _ZN6parser10parse_exprEv (this=0x2ff20208) >>> at /home/dje/src/src/gcc/genmatch.c:2669 >>>#3 0x1000ee38 in _ZN6parser8parse_opEv (this=0x2ff20208) >>> at /home/dje/src/src/gcc/genmatch.c:2728 >>>#4 0x1000efc4 in >>>_ZN6parser14parse_simplifyEjR3vecIP8simplify7va_heap6vl_ptrEP12predicate_idP4expr >>>(this=0x2ff20208, match_location=4614, simplifiers=..., >>> matcher=0x0, result=0x0) at /home/dje/src/src/gcc/genmatch.c:2792 >>>#5 0x100102fc in _ZN6parser13parse_patternEv (this=0x2ff20208) >>> at /home/dje/src/src/gcc/genmatch.c:3052 >>>#6 0x10010c0c in _ZN6parser9parse_forEj (this=0x2ff20208) >>> at /home/dje/src/src/gcc/genmatch.c:2991 >>>#7 0x10010350 in _ZN6parser13parse_patternEv (this=0x2ff20208) >>> at /home/dje/src/src/gcc/genmatch.c:3090 >>>#8 0x1001122c in _ZN6parserC2EP10cpp_reader (this=0x2ff20208, >>>r_=0x3003bbec) >>> at /home/dje/src/src/gcc/genmatch.c:3122 >>>#9 0x10004acc in main (argc=<error reading variable>, >>> argv=<error reading variable>) at _start_ :3204 >> >>
