Cross Reference: /src/external/gpl3/gcc.old/dist/gcc/lower-subreg.cc

Lines Matching defs:NULL_RTX
338   return NULL_RTX;
356     return NULL_RTX;
360     return NULL_RTX;
364     return NULL_RTX;
366     return NULL_RTX;
369   if ((op = operand_for_swap_move_operator (x)) != NULL_RTX)
373     return NULL_RTX;
378     return NULL_RTX;
390     return NULL_RTX;
395     return NULL_RTX;
398     return NULL_RTX;
416   if ((op = operand_for_swap_move_operator (src)) != NULL_RTX)
625   regno_reg_rtx[regno] = NULL_RTX;
669     return NULL_RTX;
677     return NULL_RTX;
715       if (op2 == NULL_RTX)
722 	  gcc_assert (op2 != NULL_RTX);
727       gcc_assert (op != NULL_RTX);
739   if (ret == NULL_RTX
743   gcc_assert (ret != NULL_RTX);
817       if (resolve_subreg_use (&XEXP (note, 0), NULL_RTX))
825   while (*pnote != NULL_RTX)
919   real_dest = NULL_RTX;
921   if ((src_op = operand_for_swap_move_operator (src)) != NULL_RTX)
964       gcc_assert (smove != NULL_RTX);
986      passing the address to emit_move_insn.  We pass NULL_RTX as the
994 	resolve_subreg_use (&XEXP (src, 0), NULL_RTX);
996 	resolve_subreg_use (&XEXP (dest, 0), NULL_RTX);
1017 	      rtx note = find_reg_note (insn, REG_INC, NULL_RTX);
1043       if (real_dest == NULL_RTX)
1109   if (real_dest != NULL_RTX)
1123       rtx note = find_reg_note (insn, REG_INC, NULL_RTX);
1129       gcc_assert (smove != NULL_RTX);
1137   copy_reg_eh_region_note_forward (insn, insns, NULL_RTX);
1175   ret = validate_change (NULL_RTX, &XEXP (pat, 0),
1312   rtx src_reg, dest_reg, dest_upper, upper_src = NULL_RTX;
1368 			      BITS_PER_WORD - 1, NULL_RTX, 0);
1674 		      if (decomposed_shift != NULL_RTX)
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