contrib/gcc/optabs.c

707 expand_subword_shift (enum machine_mode op1_mode, optab binoptab,
725       tmp = immed_double_const (BITS_PER_WORD, 0, op1_mode);
726       tmp = simplify_expand_binop (op1_mode, sub_optab, tmp, op1,
740 	  tmp = immed_double_const (-1, -1, op1_mode);
741 	  tmp = simplify_expand_binop (op1_mode, xor_optab, op1, tmp,
746 	  tmp = immed_double_const (BITS_PER_WORD - 1, 0, op1_mode);
747 	  tmp = simplify_expand_binop (op1_mode, sub_optab, tmp, op1,
788 expand_doubleword_shift_condmove (enum machine_mode op1_mode, optab binoptab,
820   if (!expand_subword_shift (op1_mode, binoptab,
828   if (!emit_conditional_move (into_target, cmp_code, cmp1, cmp2, op1_mode,
833     if (!emit_conditional_move (outof_target, cmp_code, cmp1, cmp2, op1_mode,
872 expand_doubleword_shift (enum machine_mode op1_mode, optab binoptab,
894       if (!expand_doubleword_shift (op1_mode, binoptab,
909   tmp = immed_double_const (BITS_PER_WORD, 0, op1_mode);
914       cmp1 = simplify_expand_binop (op1_mode, and_optab, op1, tmp,
916       cmp2 = CONST0_RTX (op1_mode);
923       cmp1 = simplify_expand_binop (op1_mode, sub_optab, op1, tmp,
925       cmp2 = CONST0_RTX (op1_mode);
934   tmp = simplify_relational_operation (cmp_code, SImode, op1_mode, cmp1, cmp2);
942 	return expand_subword_shift (op1_mode, binoptab,
952     if (expand_doubleword_shift_condmove (op1_mode, binoptab,
968   do_compare_rtx_and_jump (cmp1, cmp2, cmp_code, false, op1_mode,
981   if (!expand_subword_shift (op1_mode, binoptab,
1522       enum machine_mode op1_mode;
1526       op1_mode = GET_MODE (op1) != VOIDmode ? GET_MODE (op1) : word_mode;
1532       if (op1 == CONST0_RTX (op1_mode))
1567 	  if (expand_doubleword_shift (op1_mode, binoptab,
1878       enum machine_mode op1_mode = mode;
1885 	  op1_mode = word_mode;
1899 				       op0, mode, op1x, op1_mode);