https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212
--- Comment #4 from Oleg Endo <olegendo at gcc dot gnu.org> --- (In reply to Oleg Endo from comment #2) > However, building __divsc3 still fails for -m2 -mb, now with the > following: > > beh 0 0 0 > (insn 1159 1008 1120 27 (set (reg:QI 625) > (mem/c:QI (plus:SI (reg/f:SI 153 sfp) > (const_int 19 [0x13])) [2 %sfp+-1 S1 A8])) sh_tmp.cpp:45 -1 > (nil)) > > sh_tmp.cpp: In function '__divsc3': > sh_tmp.cpp:57:1: internal compiler error: in lra_set_insn_recog_data, at > lra.c:947 > } > ^ > 0x8524c29 lra_set_insn_recog_data(rtx_def*) > ../../gcc-sh-lra/gcc/lra.c:947 > 0x85258cb lra_get_insn_recog_data > ../../gcc-sh-lra/gcc/lra-int.h:468 > 0x85258cb lra_update_insn_regno_info > ../../gcc-sh-lra/gcc/lra.c:1607 > 0x85258cb lra_update_insn_regno_info > ../../gcc-sh-lra/gcc/lra.c:1598 > 0x8525b1b lra_push_insn_1 > ../../gcc-sh-lra/gcc/lra.c:1660 > 0x8525b1b lra_push_insn(rtx_def*) > ../../gcc-sh-lra/gcc/lra.c:1668 > 0x8525d12 push_insns > ../../gcc-sh-lra/gcc/lra.c:1711 > 0x852618f lra_process_new_insns(rtx_def*, rtx_def*, rtx_def*, char const*) > ../../gcc-sh-lra/gcc/lra.c:1756 > 0x8533758 simplify_operand_subreg > ../../gcc-sh-lra/gcc/lra-constraints.c:1523 > 0x8533758 curr_insn_transform > ../../gcc-sh-lra/gcc/lra-constraints.c:3258 > 0x8535e2d lra_constraints(bool) > ../../gcc-sh-lra/gcc/lra-constraints.c:4212 > 0x8526af8 lra(_IO_FILE*) > ../../gcc-sh-lra/gcc/lra.c:2198 > 0x84e6823 do_reload > ../../gcc-sh-lra/gcc/ira.c:5306 > 0x84e6823 execute > ../../gcc-sh-lra/gcc/ira.c:5465 > > The generated insn 1159 isn't recognized, because the displacement value is > out of range. When compiling for -m2a-nofpu -mb the problem goes away because SH2A can handle the displacement. However, there are no QImode accesses in the resulting code after LRA.
