contrib/gcc/recog.c

115 /* Check that X is an insn-body for an `asm' with operands
1391 /* If BODY is an insn body that uses ASM_OPERANDS,
1396 asm_noperands (rtx body)
1398   switch (GET_CODE (body))
1402       return ASM_OPERANDS_INPUT_LENGTH (body);
1404       if (GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
1406 	return ASM_OPERANDS_INPUT_LENGTH (SET_SRC (body)) + 1;
1410       if (GET_CODE (XVECEXP (body, 0, 0)) == SET
1411 	  && GET_CODE (SET_SRC (XVECEXP (body, 0, 0))) == ASM_OPERANDS)
1414 	     body is [(set OUTPUT (asm_operands ...))... (clobber (reg ...))...].  */
1419 	  for (i = XVECLEN (body, 0); i > 0; i--)
1421 	      if (GET_CODE (XVECEXP (body, 0, i - 1)) == SET)
1423 	      if (GET_CODE (XVECEXP (body, 0, i - 1)) != CLOBBER)
1435 	      rtx elt = XVECEXP (body, 0, i);
1443 		  != ASM_OPERANDS_INPUT_VEC (SET_SRC (XVECEXP (body, 0, 0))))
1446 	  return (ASM_OPERANDS_INPUT_LENGTH (SET_SRC (XVECEXP (body, 0, 0)))
1449       else if (GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
1452 	     body is [(asm_operands ...) (clobber (reg ...))...].  */
1456 	  for (i = XVECLEN (body, 0) - 1; i > 0; i--)
1457 	    if (GET_CODE (XVECEXP (body, 0, i)) != CLOBBER)
1460 	  return ASM_OPERANDS_INPUT_LENGTH (XVECEXP (body, 0, 0));
1469 /* Assuming BODY is an insn body that uses ASM_OPERANDS,
1480 decode_asm_operands (rtx body, rtx *operands, rtx **operand_locs,
1487   if (GET_CODE (body) == SET && GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
1489       rtx asmop = SET_SRC (body);
1509 	operands[0] = SET_DEST (body);
1511 	operand_locs[0] = &SET_DEST (body);
1515 	modes[0] = GET_MODE (SET_DEST (body));
1518   else if (GET_CODE (body) == ASM_OPERANDS)
1520       rtx asmop = body;
1540   else if (GET_CODE (body) == PARALLEL
1541 	   && GET_CODE (XVECEXP (body, 0, 0)) == SET
1542 	   && GET_CODE (SET_SRC (XVECEXP (body, 0, 0))) == ASM_OPERANDS)
1544       rtx asmop = SET_SRC (XVECEXP (body, 0, 0));
1545       int nparallel = XVECLEN (body, 0); /* Includes CLOBBERs.  */
1555 	  if (GET_CODE (XVECEXP (body, 0, i)) == CLOBBER)
1559 	    operands[i] = SET_DEST (XVECEXP (body, 0, i));
1561 	    operand_locs[i] = &SET_DEST (XVECEXP (body, 0, i));
1563 	    constraints[i] = XSTR (SET_SRC (XVECEXP (body, 0, i)), 1);
1565 	    modes[i] = GET_MODE (SET_DEST (XVECEXP (body, 0, i)));
1583   else if (GET_CODE (body) == PARALLEL
1584 	   && GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
1588       rtx asmop = XVECEXP (body, 0, 0);
2027   rtx body = PATTERN (insn);
2035   switch (GET_CODE (body))
2045       if (GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
2050       if ((GET_CODE (XVECEXP (body, 0, 0)) == SET
2051 	   && GET_CODE (SET_SRC (XVECEXP (body, 0, 0))) == ASM_OPERANDS)
2052 	  || GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
2058       recog_data.n_operands = noperands = asm_noperands (body);
2067 	  decode_asm_operands (body, recog_data.operand,