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1.1 root 1: /* Definitions of target machine for GNU compiler. SEQUENT NS32000 version.
2: Copyright (C) 1987 Free Software Foundation, Inc.
3: Contributed by Michael Tiemann ([email protected])
4:
5: This file is part of GNU CC.
6:
7: GNU CC is free software; you can redistribute it and/or modify
8: it under the terms of the GNU General Public License as published by
9: the Free Software Foundation; either version 1, or (at your option)
10: any later version.
11:
12: GNU CC is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
18: along with GNU CC; see the file COPYING. If not, write to
19: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
20:
21: /* Two flags to control how addresses are printed in assembler insns. */
22: #define SEQUENT_ADDRESS_BUG 1
23: #define SEQUENT_BASE_REGS
24:
25: #include "tm-ns32k.h"
26:
27: /* This is BSD, so it wants DBX format. */
28: #define DBX_DEBUGGING_INFO
29:
30: /* Sequent has some changes in the format of DBX symbols. */
31: #define DBX_NO_XREFS 1
32:
33: /* Don't split DBX symbols into continuations. */
34: #define DBX_CONTIN_LENGTH 0
35:
36: #define TARGET_DEFAULT 1
37:
38: /* Print subsidiary information on the compiler version in use. */
39: #undef TARGET_VERSION
40: #define TARGET_VERSION fprintf (stderr, " (32000, Sequent syntax)");
41:
42: #undef CPP_PREDEFINES
43: #define CPP_PREDEFINES "-Dns32000 -Dsequent -Dunix"
44:
45: /* This is how to align the code that follows an unconditional branch.
46: Don't define it, since it confuses the assembler (we hear). */
47:
48: #undef ASM_OUTPUT_ALIGN_CODE
49:
50: /* Assember pseudo-op for shared data segment. */
51: #define SHARED_SECTION_ASM_OP ".shdata"
52:
53: /* %$ means print the prefix for an immediate operand.
54: On the sequent, no prefix is used for such. */
55:
56: #undef PRINT_OPERAND
57: #define PRINT_OPERAND(FILE, X, CODE) \
58: { if (CODE == '$') ; \
59: else if (CODE == '?'); \
60: else if (GET_CODE (X) == REG) \
61: fprintf (FILE, "%s", reg_names[REGNO (X)]); \
62: else if (GET_CODE (X) == MEM) \
63: { \
64: rtx xfoo; \
65: xfoo = XEXP (X, 0); \
66: switch (GET_CODE (xfoo)) \
67: { \
68: case MEM: \
69: if (GET_CODE (XEXP (xfoo, 0)) == REG) \
70: if (REGNO (XEXP (xfoo, 0)) == STACK_POINTER_REGNUM) \
71: fprintf (FILE, "0(0(sp))"); \
72: else fprintf (FILE, "0(0(%s))", \
73: reg_names[REGNO (XEXP (xfoo, 0))]); \
74: else \
75: { \
76: fprintf (FILE, "0("); \
77: output_address (xfoo); \
78: putc (')', FILE); \
79: } \
80: break; \
81: case REG: \
82: fprintf (FILE, "0(%s)", reg_names[REGNO (xfoo)]); \
83: break; \
84: case PRE_DEC: \
85: case POST_INC: \
86: fprintf (FILE, "tos"); \
87: break; \
88: case CONST_INT: \
89: fprintf (FILE, "@%d", INTVAL (xfoo)); \
90: break; \
91: default: \
92: output_address (xfoo); \
93: break; \
94: } \
95: } \
96: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) != DImode) \
97: if (GET_MODE (X) == DFmode) \
98: { union { double d; int i[2]; } u; \
99: u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
100: fprintf (FILE, "0d%.20e", u.d); } \
101: else { union { double d; int i[2]; } u; \
102: u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
103: fprintf (FILE, "0f%.20e", u.d); } \
104: else output_addr_const (FILE, X); }
105:
106: #undef PRINT_OPERAND_ADDRESS
107: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address(FILE, ADDR)
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