contrib/gcc/regmove.c

1103 	  int op_no, match_no;
1153 	  for (op_no = 0; op_no < recog_data.n_operands; op_no++)
1158 	      match_no = match.with[op_no];
1164 	      src = recog_data.operand[op_no];
1187 		  if (match.commutative[op_no] < op_no)
1195 	      /* op_no/src must be a read-only operand, and
1197 	      if (match.use[op_no] != READ
1214 	      if (match.commutative[op_no] >= 0)
1216 		  rtx comm = recog_data.operand[match.commutative[op_no]];
1232 				 op_no, match_no))
1247 	  int op_no, match_no;
1261 	  for (op_no = 0; op_no < recog_data.n_operands; op_no++)
1269 	      match_no = match.with[op_no];
1276 	      src = recog_data.operand[op_no];
1291 	      if (match.commutative[op_no] >= 0)
1293 		  rtx comm = recog_data.operand[match.commutative[op_no]];
1312 	      if (match.use[op_no] != READ
1392 			 op_no, INSN_UID (insn), match_no);
1496 			     op_no, INSN_UID (insn), match_no);
1544   int op_no;
1554   for (op_no = recog_data.n_operands; --op_no >= 0; )
1555     matchp->with[op_no] = matchp->commutative[op_no] = -1;
1557   for (op_no = 0; op_no < recog_data.n_operands; op_no++)
1563       p = recog_data.constraints[op_no];
1565       likely_spilled[op_no] = 0;
1566       matchp->use[op_no] = READ;
1567       matchp->early_clobber[op_no] = 0;
1569 	matchp->use[op_no] = WRITE;
1571 	matchp->use[op_no] = READWRITE;
1586 	      matchp->early_clobber[op_no] = 1;
1589 	      matchp->commutative[op_no] = op_no + 1;
1590 	      matchp->commutative[op_no + 1] = op_no;
1602 		if (match < op_no && likely_spilled[match])
1604 		matchp->with[op_no] = match;
1606 		if (matchp->commutative[op_no] >= 0)
1607 		  matchp->with[matchp->commutative[op_no]] = match;
1616 	      likely_spilled[op_no] = 1;