Stafford Horne <sho...@gmail.com> writes: > Hello, > > This seems to be causing a build regression on the or1k port. > > I have not quite figured it out yet but I have bisected to this commit. > > The failure is as below, this seems to be caused by the cstoresi4 instruction > produced by > or1k.md. So I think its likely something we are doing funny in the port. > > Thanks to Jeff for pointing this out. If you have any idea let me know. > > Log: > > during RTL pass: ce1 > dump file: libgcc2.c.286r.ce1 > /home/shorne/work/gnu-toolchain/gcc/libgcc/libgcc2.c: In function > '__muldi3': > /home/shorne/work/gnu-toolchain/gcc/libgcc/libgcc2.c:538:1: internal > compiler error: in emit_move_multi_word, at expr.cc:4492 > 538 | } > | ^ > 0x1b094df internal_error(char const*, ...) > > /home/shorne/work/gnu-toolchain/gcc/gcc/diagnostic-global-context.cc:517 > 0x6459c1 fancy_abort(char const*, int, char const*) > /home/shorne/work/gnu-toolchain/gcc/gcc/diagnostic.cc:1815 > 0x473a2e emit_move_multi_word > /home/shorne/work/gnu-toolchain/gcc/gcc/expr.cc:4492 > 0x93fd7d emit_move_insn(rtx_def*, rtx_def*) > /home/shorne/work/gnu-toolchain/gcc/gcc/expr.cc:4746 > 0x9175f1 copy_to_reg(rtx_def*) > /home/shorne/work/gnu-toolchain/gcc/gcc/explow.cc:630 > 0xd18977 gen_lowpart_general(machine_mode, rtx_def*) > /home/shorne/work/gnu-toolchain/gcc/gcc/rtlhooks.cc:56 > 0x9414c7 convert_mode_scalar > /home/shorne/work/gnu-toolchain/gcc/gcc/expr.cc:818 > 0x9421a1 convert_modes(machine_mode, machine_mode, rtx_def*, int) > /home/shorne/work/gnu-toolchain/gcc/gcc/expr.cc:961 > 0xc0afa0 prepare_operand(insn_code, rtx_def*, int, machine_mode, > machine_mode, int) > /home/shorne/work/gnu-toolchain/gcc/gcc/optabs.cc:4637 > 0xc0b33a prepare_cmp_insn > /home/shorne/work/gnu-toolchain/gcc/gcc/optabs.cc:4538 > 0xc0f0dd emit_conditional_move(rtx_def*, rtx_comparison, rtx_def*, > rtx_def*, machine_mode, int) > /home/shorne/work/gnu-toolchain/gcc/gcc/optabs.cc:5098 > 0x192cc7b noce_emit_cmove > /home/shorne/work/gnu-toolchain/gcc/gcc/ifcvt.cc:1777 > 0x193365b try_emit_cmove_seq > /home/shorne/work/gnu-toolchain/gcc/gcc/ifcvt.cc:3410 > 0x193365b noce_convert_multiple_sets_1 > /home/shorne/work/gnu-toolchain/gcc/gcc/ifcvt.cc:3705 > 0x1933c71 noce_convert_multiple_sets > /home/shorne/work/gnu-toolchain/gcc/gcc/ifcvt.cc:3496 > 0x1938687 noce_process_if_block > /home/shorne/work/gnu-toolchain/gcc/gcc/ifcvt.cc:4045 > 0x1938687 noce_find_if_block > /home/shorne/work/gnu-toolchain/gcc/gcc/ifcvt.cc:4726 > 0x1938687 find_if_header > /home/shorne/work/gnu-toolchain/gcc/gcc/ifcvt.cc:4931 > 0x1938687 if_convert > /home/shorne/work/gnu-toolchain/gcc/gcc/ifcvt.cc:6078 > 0x1938d01 rest_of_handle_if_conversion > /home/shorne/work/gnu-toolchain/gcc/gcc/ifcvt.cc:6143 > > -Stafford
Can you attach the .i? Richard