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Annotation of gcc/config/ns32k/pc532.h, revision 1.1.1.4

1.1       root        1: /* Definitions of target machine for GNU compiler.
                      2:    PC532 with National 32532.
1.1.1.3   root        3:    Copyright (C) 1990, 1994 Free Software Foundation, Inc.
1.1       root        4:    Contributed by Jukka Virtanen <[email protected]>, Jyrki Kuoppala <[email protected]>,
                      5:    Tatu Yl|nen <[email protected]>, Johannes Helander <[email protected]>.
                      6: 
                      7: This file is part of GNU CC.
                      8: 
                      9: GNU CC is free software; you can redistribute it and/or modify
                     10: it under the terms of the GNU General Public License as published by
                     11: the Free Software Foundation; either version 2, or (at your option)
                     12: any later version.
                     13: 
                     14: GNU CC is distributed in the hope that it will be useful,
                     15: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     16: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     17: GNU General Public License for more details.
                     18: 
                     19: You should have received a copy of the GNU General Public License
                     20: along with GNU CC; see the file COPYING.  If not, write to
1.1.1.4 ! root       21: the Free Software Foundation, 59 Temple Place - Suite 330,
        !            22: Boston, MA 02111-1307, USA.  */
1.1       root       23: 
                     24: #include "ns32k/ns32k.h"
                     25: 
                     26: /* Compile for the floating point unit & 32532 by default;
1.1.1.3   root       27:    also presume SB is zero and no bitfield instructions */
1.1       root       28: 
1.1.1.3   root       29: #define TARGET_DEFAULT (1 + 24 + 64)
1.1       root       30: 
                     31: /* Write DBX debugging info for gdb to read */
                     32: 
                     33: #define DBX_DEBUGGING_INFO
                     34: 
                     35: /* Use the re-entrant and potentially faster method */
                     36: 
                     37: #undef PCC_STATIC_STRUCT_RETURN
                     38: 
                     39: /* 32-bit alignment for efficiency */
                     40: #undef POINTER_BOUNDARY
                     41: #define POINTER_BOUNDARY 32
                     42: 
                     43: /* 32-bit alignment for efficiency */
                     44: #undef FUNCTION_BOUNDARY
                     45: #define FUNCTION_BOUNDARY 32
                     46: 
                     47: /* 32532 spec says it can handle any alignment.  Rumor from tm-ns32k.h
                     48:    tells this might not be actually true (but it's for 32032, perhaps
                     49:    National has fixed the bug for 32532).  You might have to change this
                     50:    if the bug still exists. */
                     51: 
                     52: #undef STRICT_ALIGNMENT
                     53: #define STRICT_ALIGNMENT 0
                     54: 
                     55: /* Maybe someone needs to know which processor we're running on */
                     56: 
                     57: #undef CPP_PREDEFINES
1.1.1.2   root       58: #define CPP_PREDEFINES "-Dns32000 -Dns32532 -Dpc532 -Dunix -Asystem(unix) -Acpu(ns32k) -Amachine(ns32k)"
1.1       root       59: 
                     60: /* Use pc relative addressing whenever possible,
                     61:    it's more efficient than absolute (ns32k.c)
                     62:    You have to fix a bug in gas 1.38.1 to make this work with gas,
                     63:    patch available from [email protected]. */
                     64: 
                     65: #define PC_RELATIVE
                     66: 
                     67: /* Operand of bsr or jsr should be just the address.  */
                     68: 
                     69: #define CALL_MEMREF_IMPLICIT
                     70: 
                     71: /* movd insns may have floating point constant operands.  */
                     72: 
                     73: #define MOVD_FLOAT_OK

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