-\f
-static void
-max_operand_1 (rtx x)
-{
- RTX_CODE code;
- int i;
- int len;
- const char *fmt;
-
- if (x == 0)
- return;
-
- code = GET_CODE (x);
-
- if (code == MATCH_OPERAND || code == MATCH_OPERATOR
- || code == MATCH_PARALLEL)
- max_opno = MAX (max_opno, XINT (x, 0));
- if (code == MATCH_DUP || code == MATCH_OP_DUP || code == MATCH_PAR_DUP)
- max_dup_opno = MAX (max_dup_opno, XINT (x, 0));
- if (code == MATCH_SCRATCH)
- max_scratch_opno = MAX (max_scratch_opno, XINT (x, 0));
-
- fmt = GET_RTX_FORMAT (code);
- len = GET_RTX_LENGTH (code);
- for (i = 0; i < len; i++)
- {
- if (fmt[i] == 'e' || fmt[i] == 'u')
- max_operand_1 (XEXP (x, i));
- else if (fmt[i] == 'E')
- {
- int j;
- for (j = 0; j < XVECLEN (x, i); j++)
- max_operand_1 (XVECEXP (x, i, j));
- }
- }
-}
-
-static int
-max_operand_vec (rtx insn, int arg)
-{
- int len = XVECLEN (insn, arg);
- int i;
-
- max_opno = -1;
- max_dup_opno = -1;
- max_scratch_opno = -1;
-
- for (i = 0; i < len; i++)
- max_operand_1 (XVECEXP (insn, arg, i));
-
- return max_opno + 1;
-}