config/s390/s390.c

211 rtx s390_compare_emitted = NULL_RTX;
764   rtx ret = NULL_RTX;
779   s390_compare_emitted = NULL_RTX;
796   s390_compare_emitted = NULL_RTX;
801 /* Emit a jump instruction to TARGET.  If COND is NULL_RTX, emit an
1525   rtx base = NULL_RTX;
1526   rtx indx = NULL_RTX;
1527   rtx disp = NULL_RTX;
1591 	  disp = NULL_RTX;
1826       op = NULL_RTX;
3100 					     base == reg ? NULL_RTX : reg);
3478     return NULL_RTX;
3510   return NULL_RTX;
3548 			       EQ, NULL_RTX, mode, 1, end_label);
3550       emit_move_insn (dst_addr, force_operand (XEXP (dst, 0), NULL_RTX));
3551       emit_move_insn (src_addr, force_operand (XEXP (src, 0), NULL_RTX));
3564 			       EQ, NULL_RTX, mode, 1, loop_end_label);
3579 			       EQ, NULL_RTX, mode, 1, loop_end_label);
3634       rtx dst_addr, src_addr, count, blocks, temp, dstp1 = NULL_RTX;
3651 			       EQ, NULL_RTX, mode, 1, end_label);
3653       emit_move_insn (dst_addr, force_operand (XEXP (dst, 0), NULL_RTX));
3668 				   EQ, NULL_RTX, mode, 1, end_label);
3680 			       EQ, NULL_RTX, mode, 1, loop_end_label);
3696 			       EQ, NULL_RTX, mode, 1, loop_end_label);
3756 			       EQ, NULL_RTX, mode, 1, end_label);
3758       emit_move_insn (addr0, force_operand (XEXP (op0, 0), NULL_RTX));
3759       emit_move_insn (addr1, force_operand (XEXP (op1, 0), NULL_RTX));
3772 			       EQ, NULL_RTX, mode, 1, loop_end_label);
3793 			       EQ, NULL_RTX, mode, 1, loop_end_label);
3855 					     NULL_RTX, 0, OPTAB_WIDEN);
3927 					     NULL_RTX, 0, OPTAB_WIDEN);
4091 			     NULL_RTX, 1, OPTAB_DIRECT);
4093 			      NULL_RTX, 1, OPTAB_DIRECT);
4133 				   NULL_RTX, 1, OPTAB_DIRECT);
4143 					NULL_RTX, 1, OPTAB_DIRECT);
4146 				      NULL_RTX, 1, OPTAB_DIRECT);
4151 				  NULL_RTX, 1, OPTAB_DIRECT);
4155 				     NULL_RTX, 1, OPTAB_DIRECT);
4156   ac->modemaski = expand_simple_unop (SImode, NOT, ac->modemask, NULL_RTX, 1);
4187 			     NULL_RTX, 1, OPTAB_DIRECT);
4204 						   NULL_RTX, 1, OPTAB_DIRECT));
4212 						   NULL_RTX, 1, OPTAB_DIRECT));
4220 			      NULL_RTX, 1, OPTAB_DIRECT);
4230 					     NULL_RTX, 1, OPTAB_DIRECT), 1);
4264 			       NULL_RTX, 1, OPTAB_DIRECT);
4279 				 NULL_RTX, 1, OPTAB_DIRECT);
4281 				 NULL_RTX, 1, OPTAB_DIRECT);
4289 				     NULL_RTX, 1, OPTAB_DIRECT);
4291 				     NULL_RTX, 1, OPTAB_DIRECT);
4298 				 NULL_RTX, 1, OPTAB_DIRECT);
4302 				 NULL_RTX, 1, OPTAB_DIRECT);
4304 				 NULL_RTX, 1, OPTAB_DIRECT);
4317 					       NULL_RTX, 1, OPTAB_DIRECT), 1);
5115    The rtx pointed to by REF must be initialized to NULL_RTX
5142       if (*ref == NULL_RTX)
5211    Return its constant pool symbol if found, NULL_RTX otherwise.  */
5243   return NULL_RTX;
5325   pool->first_insn = NULL_RTX;
5326   pool->pool_insn = NULL_RTX;
5446    execute target template if so, NULL_RTX otherwise.  */
5457   return NULL_RTX;
5679 	  rtx pool_ref = NULL_RTX;
5719       cfun->machine->base_reg = NULL_RTX;
5800           rtx addr, pool_ref = NULL_RTX;
5844   rtx pending_ltrel = NULL_RTX;
5866 	      pending_ltrel = NULL_RTX;
5880 	  rtx pool_ref = NULL_RTX;
5923 	  s390_end_pool (curr_pool, NULL_RTX);
5987     s390_end_pool (curr_pool, NULL_RTX);
6009 			PATTERN (vec_insn) : NULL_RTX;
6044 			    PATTERN (vec_insn) : NULL_RTX;
6125           rtx addr, pool_ref = NULL_RTX;
6173       rtx jump = barrier? PREV_INSN (barrier) : NULL_RTX;
6258     return NULL_RTX;
6746 	cfun->machine->base_reg = NULL_RTX;
6880 	  return cfun->machine->base_reg == NULL_RTX;
7378 	  REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_MAYBE_DEAD, NULL_RTX,
8240 	return NULL_RTX;
8242 	return NULL_RTX;
8246       op[arity] = expand_expr (arg, NULL_RTX, insn_op->mode, 0);
8279     return NULL_RTX;
8478   op[5] = NULL_RTX;
8479   op[6] = NULL_RTX;
8480   op[7] = NULL_RTX;
8481   op[8] = NULL_RTX;
8484   op[9] = NULL_RTX;
8811                If this parameter is NULL_RTX the call is considered
8852   if (retaddr_reg == NULL_RTX
8863   if (result_reg != NULL_RTX)
8866   if (retaddr_reg != NULL_RTX)
8870       if (tls_call != NULL_RTX)
8882   if ((!TARGET_64BIT && plt_call) || tls_call != NULL_RTX)
8886       gcc_assert (retaddr_reg != NULL_RTX);
8944   insn = s390_emit_call (s390_tpf_eh_return_symbol, NULL_RTX, reg,