contrib/gcc/recog.c

77 struct recog_data recog_data;
1985    called again for the same insn expecting that recog_data still contain the
1991   if (recog_data.insn == insn && INSN_CODE (insn) >= 0)
1994   recog_data.insn = insn;
2019 /* Analyze INSN and fill in recog_data.  */
2029   recog_data.insn = NULL;
2030   recog_data.n_operands = 0;
2031   recog_data.n_alternatives = 0;
2032   recog_data.n_dups = 0;
2058       recog_data.n_operands = noperands = asm_noperands (body);
2067 	  decode_asm_operands (body, recog_data.operand,
2068 			       recog_data.operand_loc,
2069 			       recog_data.constraints,
2070 			       recog_data.operand_mode);
2073 	      const char *p =  recog_data.constraints[0];
2074 	      recog_data.n_alternatives = 1;
2076 		recog_data.n_alternatives += (*p++ == ',');
2091       recog_data.n_operands = noperands = insn_data[icode].n_operands;
2092       recog_data.n_alternatives = insn_data[icode].n_alternatives;
2093       recog_data.n_dups = insn_data[icode].n_dups;
2099 	  recog_data.constraints[i] = insn_data[icode].operand[i].constraint;
2100 	  recog_data.operand_mode[i] = insn_data[icode].operand[i].mode;
2102 	  if (recog_data.operand_mode[i] == VOIDmode)
2103 	    recog_data.operand_mode[i] = GET_MODE (recog_data.operand[i]);
2107     recog_data.operand_type[i]
2108       = (recog_data.constraints[i][0] == '=' ? OP_OUT
2109 	 : recog_data.constraints[i][0] == '+' ? OP_INOUT
2112   gcc_assert (recog_data.n_alternatives <= MAX_RECOG_ALTERNATIVES);
2123   for (i = 0; i < recog_data.n_operands; i++)
2124     memset (recog_op_alt[i], 0, (recog_data.n_alternatives
2127   for (i = 0; i < recog_data.n_operands; i++)
2131       const char *p = recog_data.constraints[i];
2135       for (j = 0; j < recog_data.n_alternatives; j++)
2295   if (recog_data.n_operands == 0 || recog_data.n_alternatives == 0)
2298   for (c = 0; c < recog_data.n_operands; c++)
2300       constraints[c] = recog_data.constraints[c];
2311       for (opno = 0; opno < recog_data.n_operands; opno++)
2313 	  rtx op = recog_data.operand[opno];
2395 		      rtx op1 = recog_data.operand[match];
2396 		      rtx op2 = recog_data.operand[opno];
2432 		    || (strict_memory_address_p (recog_data.operand_mode[opno],
2627 		 eopno < recog_data.n_operands;
2633 		  && REG_P (recog_data.operand[eopno]))
2634 		for (opno = 0; opno < recog_data.n_operands; opno++)
2635 		  if ((MEM_P (recog_data.operand[opno])
2636 		       || recog_data.operand_type[opno] != OP_OUT)
2639 		      && *recog_data.constraints[opno] != 0
2641 			    && operands_match_p (recog_data.operand[opno],
2642 						 recog_data.operand[eopno]))
2643 		      && ! safe_from_earlyclobber (recog_data.operand[opno],
2644 						   recog_data.operand[eopno]))
2651 		  recog_data.operand[funny_match[funny_match_index].other]
2652 		    = recog_data.operand[funny_match[funny_match_index].this];
2661   while (which_alternative < recog_data.n_alternatives);