- long value;
-
- operand = powerpc_operands + *opindex;
-
- /* Operands that are marked FAKE are simply ignored. We
- already made sure that the extract function considered
- the instruction to be valid. */
- if ((operand->flags & PPC_OPERAND_FAKE) != 0)
- continue;
-
- /* Extract the value from the instruction. */
- if (operand->extract)
- value = (*operand->extract) (insn, (int *) 0);
- else
- {
- value = (insn >> operand->shift) & ((1 << operand->bits) - 1);
- if ((operand->flags & PPC_OPERAND_SIGNED) != 0
- && (value & (1 << (operand->bits - 1))) != 0)
- value -= 1 << operand->bits;
- }
-
- /* If the operand is optional, and the value is zero, don't
- print anything. */
- if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0
- && (operand->flags & PPC_OPERAND_NEXT) == 0
- && value == 0)
- continue;
-
- if (need_comma)
- {
- fprintf(out, ",");
- need_comma = 0;
- }
-
- /* Print the operand as directed by the flags. */
- if ((operand->flags & PPC_OPERAND_GPR) != 0)
- fprintf(out, "r%ld", value);
- else if ((operand->flags & PPC_OPERAND_FPR) != 0)
- fprintf(out, "f%ld", value);
- else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0)
- print_address (memaddr + value);
- else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
- print_address (value & 0xffffffff);
- else if ((operand->flags & PPC_OPERAND_CR) == 0
- || (dialect & PPC_OPCODE_PPC) == 0)
- fprintf(out, "%ld", value);
- else
- {
- if (operand->bits == 3)
- fprintf(out, "cr%d", value);
- else
- {
- static const char *cbnames[4] = { "lt", "gt", "eq", "so" };
- int cr;
- int cc;
-
- cr = value >> 2;
- if (cr != 0)
- fprintf(out, "4*cr%d", cr);
- cc = value & 3;
- if (cc != 0)
- {
- if (cr != 0)
- fprintf(out, "+");
- fprintf(out, "%s", cbnames[cc]);
- }
- }