Re: Doing pdp11 cc0->CC conversion, running into ICE related to compare-elim

2018-06-01 Thread Jakub Jelinek
On Fri, Jun 01, 2018 at 02:49:51PM -0400, Paul Koning wrote: > Given that the starting insn had a post_inc in it, what would be a proper > parallel... construct? If the post_inc only appears in one of the two > mentions of the source operatnd, then the match_dup is going to fail. I > suppose I c

Re: Doing pdp11 cc0->CC conversion, running into ICE related to compare-elim

2018-06-01 Thread Paul Koning
> On Jun 1, 2018, at 2:40 PM, Jakub Jelinek wrote: > > On Fri, Jun 01, 2018 at 02:35:41PM -0400, Paul Koning wrote: >> during RTL pass: dse2 >> dump file: unwind-dw2-fde.c.288r.dse2 >> ../../../../gcc/libgcc/unwind-dw2-fde.c: In function ‘get_cie_encoding’: >> ../../../../gcc/libgcc/unwind-dw2

Re: Doing pdp11 cc0->CC conversion, running into ICE related to compare-elim

2018-06-01 Thread Jakub Jelinek
On Fri, Jun 01, 2018 at 02:35:41PM -0400, Paul Koning wrote: > during RTL pass: dse2 > dump file: unwind-dw2-fde.c.288r.dse2 > ../../../../gcc/libgcc/unwind-dw2-fde.c: In function ‘get_cie_encoding’: > ../../../../gcc/libgcc/unwind-dw2-fde.c:342:1: internal compiler error: in > cselib_record_set,