contrib/gcc/gensupport.c

156 queue_pattern (rtx pattern, struct queue_elem ***list_tail,
160   e->data = pattern;
539 collect_insn_data (rtx pattern, int *palt, int *pmax)
545   code = GET_CODE (pattern);
549       i = n_alternatives (XSTR (pattern, 2));
556       i = XINT (pattern, 0);
572 	  collect_insn_data (XEXP (pattern, i), palt, pmax);
576 	  if (XVEC (pattern, i) == NULL)
580 	  for (j = XVECLEN (pattern, i) - 1; j >= 0; --j)
581 	    collect_insn_data (XVECEXP (pattern, i, j), palt, pmax);
594 alter_predicate_for_insn (rtx pattern, int alt, int max_op, int lineno)
600   code = GET_CODE (pattern);
605 	const char *c = XSTR (pattern, 2);
611 			       XINT (pattern, 0));
630 	    XSTR (pattern, 2) = new_c;
638       XINT (pattern, 0) += max_op;
654 	  r = alter_predicate_for_insn (XEXP (pattern, i), alt,
661 	  for (j = XVECLEN (pattern, i) - 1; j >= 0; --j)
663 	      r = alter_predicate_for_insn (XVECEXP (pattern, i, j),
678   return pattern;
786       rtx pred, insn, pattern, split;
811       /* Construct a new pattern for the new insn.  */
814       pattern = rtx_alloc (COND_EXEC);
815       XEXP (pattern, 0) = pred;
818 	  XEXP (pattern, 1) = XVECEXP (insn, 1, 0);
819 	  XVECEXP (insn, 1, 0) = pattern;
824 	  XEXP (pattern, 1) = rtx_alloc (PARALLEL);
825 	  XVEC (XEXP (pattern, 1), 0) = XVEC (insn, 1);
827 	  XVECEXP (insn, 1, 0) = pattern;
835          only used here, and we won't reprocess this new pattern.  */
837       /* Put the new pattern on the `other' list so that it
857       /* Predicate the pattern matched by the split.  */
858       pattern = rtx_alloc (COND_EXEC);
859       XEXP (pattern, 0) = pred;
862 	  XEXP (pattern, 1) = XVECEXP (split, 0, 0);
863 	  XVECEXP (split, 0, 0) = pattern;
868 	  XEXP (pattern, 1) = rtx_alloc (PARALLEL);
869 	  XVEC (XEXP (pattern, 1), 0) = XVEC (split, 0);
871 	  XVECEXP (split, 0, 0) = pattern;
876 	  pattern = rtx_alloc (COND_EXEC);
877 	  XEXP (pattern, 0) = pred;
878 	  XEXP (pattern, 1) = XVECEXP (split, 2, i);
879 	  XVECEXP (split, 2, i) = pattern;
1116      to use elided pattern numbers for anything.  */