------- Additional Comments From dave at hiauly1 dot hia dot nrc dot ca 2005-07-09 02:44 ------- Subject: Re: [4.0/4.1 Regression] i-cobol.adb:482: error: unrecognizable insn
> --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9233&action=view) > file that now ICEs with latest patch. > > Compile the this file with -O2 -g on an arm-elf cross This is totally untested but possibly something like the change below would resolve the problem for both ports. Dave -- J. David Anglin [EMAIL PROTECTED] National Research Council of Canada (613) 990-0752 (FAX: 952-6602) Index: loop.c =================================================================== RCS file: /cvs/gcc/gcc/gcc/loop.c,v retrieving revision 1.535 diff -u -3 -p -r1.535 loop.c --- loop.c 7 Jul 2005 22:53:28 -0000 1.535 +++ loop.c 9 Jul 2005 02:34:18 -0000 @@ -5496,14 +5496,21 @@ loop_givs_rescan (struct loop *loop, str v->new_reg)); else if (GET_CODE (*v->location) == PLUS && REG_P (XEXP (*v->location, 0)) - && REG_P (v->new_reg) && CONSTANT_P (XEXP (*v->location, 1))) - loop_insn_emit_before (loop, 0, v->insn, - gen_move_insn (XEXP (*v->location, 0), - gen_rtx_MINUS - (GET_MODE (*v->location), - v->new_reg, - XEXP (*v->location, 1)))); + { + rtx reg, seq; + start_sequence (); + if (REG_P (v->new_reg)) + reg = v->new_reg; + else + reg = force_reg (GET_MODE (*v->location), v->new_reg); + emit_move_insn (XEXP (*v->location, 0), + gen_rtx_MINUS (GET_MODE (*v->location), reg, + XEXP (*v->location, 1))); + seq = get_insns (); + end_sequence (); + loop_insn_emit_before (loop, 0, v->insn, seq); + } else { /* If it wasn't a reg, create a pseudo and use that. */ -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22239
