On 03/31/2011 09:23 AM, Richard Sandiford wrote: > +++ gcc/expr.c 2011-03-31 16:49:06.000000000 +0100 > @@ -1293,11 +1293,7 @@ emit_block_move_via_movmem (rtx x, rtx y > nice if there were some way to inform the backend, so > that it doesn't fail the expansion because it thinks > emitting the libcall would be more efficient. */ > - nops = insn_data[(int) code].n_operands; > - /* ??? n_operands includes match_scratches; find some other > - way to select the 6 operand variant, or force all targets > - to have exactly 6 operands. */ > - gcc_assert (nops >= 4 && nops <= 6); > + nops = insn_data[(int) code].n_generator_args;
I think the assert should be retained (for now) as gcc_assert (nops == 4 || nops == 6); at least until we add such verification to some genfoo. Also, you've forgotten the setmem hunk. r~