/* CGEN generic opcode support.
- Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU Binutils and GDB, the GNU debugger.
cgen_get_insn_operands (cd, insn, fields, indices);
return insn;
}
+
+/* Allow signed overflow of instruction fields. */
+void
+cgen_set_signed_overflow_ok (cd)
+ CGEN_CPU_DESC cd;
+{
+ cd->signed_overflow_ok_p = 1;
+}
+
+/* Generate an error message if a signed field in an instruction overflows. */
+void
+cgen_clear_signed_overflow_ok (cd)
+ CGEN_CPU_DESC cd;
+{
+ cd->signed_overflow_ok_p = 0;
+}
+
+/* Will an error message be generated if a signed field in an instruction overflows ? */
+unsigned int
+cgen_signed_overflow_ok_p (cd)
+ CGEN_CPU_DESC cd;
+{
+ return cd->signed_overflow_ok_p;
+}