| 1 | /* Definitions of target machine for GNU compiler. MERLIN NS32000 version.
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| 2 | Copyright (C) 1990, 1994, 2000 Free Software Foundation, Inc.
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| 3 | By Mark Mason (mason@reed.bitnet, pyramid!unify!mason@uunet.uu.net).
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| 4 |
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| 5 | This file is part of GNU CC.
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| 6 |
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| 7 | GNU CC is free software; you can redistribute it and/or modify
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| 8 | it under the terms of the GNU General Public License as published by
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| 9 | the Free Software Foundation; either version 2, or (at your option)
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| 10 | any later version.
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| 11 |
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| 12 | GNU CC is distributed in the hope that it will be useful,
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | GNU General Public License for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU General Public License
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| 18 | along with GNU CC; see the file COPYING. If not, write to
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| 19 | the Free Software Foundation, 59 Temple Place - Suite 330,
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| 20 | Boston, MA 02111-1307, USA. */
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| 21 |
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| 22 | /* Two flags to control how addresses are printed in assembler insns. */
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| 23 |
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| 24 | #define SEQUENT_ADDRESS_BUG 1
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| 25 | #define SEQUENT_BASE_REGS
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| 26 |
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| 27 | #include "ns32k/ns32k.h"
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| 28 |
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| 29 | #define MERLIN_TARGET
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| 30 |
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| 31 | /* This is BSD, so it wants DBX format. */
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| 32 | #define DBX_DEBUGGING_INFO
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| 33 |
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| 34 | /* Sequent has some changes in the format of DBX symbols. */
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| 35 | #define DBX_NO_XREFS 1
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| 36 |
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| 37 | /* Don't split DBX symbols into continuations. */
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| 38 | #define DBX_CONTIN_LENGTH 0
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| 39 |
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| 40 | #define TARGET_DEFAULT 1
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| 41 |
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| 42 | /* Print subsidiary information on the compiler version in use. */
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| 43 | #undef TARGET_VERSION
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| 44 | #define TARGET_VERSION fprintf (stderr, " (32000, UTek syntax)");
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| 45 |
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| 46 | /* These control the C++ compiler somehow. */
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| 47 | #define FASCIST_ASSEMBLER
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| 48 | #define USE_COLLECT
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| 49 |
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| 50 | #undef CPP_PREDEFINES
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| 51 | #define CPP_PREDEFINES \
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| 52 | "-Dns32000 -Dns32k -Dns16000 -Dmerlin -Dunix -DUtek -Dbsd \
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| 53 | -Asystem=unix -Asystem=bsd -Acpu=ns32k -Amachine=ns32k"
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| 54 |
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| 55 | /* This is how to align the code that follows an unconditional branch.
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| 56 | Don't define it, since it confuses the assembler (we hear). */
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| 57 |
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| 58 | #undef LABEL_ALIGN_AFTER_BARRIER
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| 59 |
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| 60 | /* Assembler pseudo-op for shared data segment. */
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| 61 | #define SHARED_SECTION_ASM_OP "\t.shdata"
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| 62 |
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| 63 | /* %$ means print the prefix for an immediate operand. */
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| 64 |
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| 65 | #ifdef UTEK_ASM
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| 66 | #undef PRINT_OPERAND
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| 67 | #define PRINT_OPERAND(FILE, X, CODE) \
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| 68 | { if (CODE == '$') putc('$', FILE); \
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| 69 | else if (CODE == '?'); \
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| 70 | else if (GET_CODE (X) == CONST_INT) \
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| 71 | fprintf(FILE, "$%d", INTVAL(X)); \
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| 72 | else if (GET_CODE (X) == REG) \
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| 73 | fprintf (FILE, "%s", reg_names[REGNO (X)]); \
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| 74 | else if (GET_CODE (X) == MEM) \
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| 75 | { \
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| 76 | rtx xfoo; \
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| 77 | xfoo = XEXP (X, 0); \
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| 78 | switch (GET_CODE (xfoo)) \
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| 79 | { \
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| 80 | case MEM: \
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| 81 | if (GET_CODE (XEXP (xfoo, 0)) == REG) \
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| 82 | if (REGNO (XEXP (xfoo, 0)) == STACK_POINTER_REGNUM) \
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| 83 | fprintf (FILE, "0(0(sp))"); \
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| 84 | else fprintf (FILE, "0(0(%s))", \
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| 85 | reg_names[REGNO (XEXP (xfoo, 0))]); \
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| 86 | else \
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| 87 | { \
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| 88 | if (GET_CODE (XEXP (xfoo, 0)) == SYMBOL_REF \
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| 89 | || GET_CODE (XEXP (xfoo, 0)) == CONST) \
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| 90 | { \
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| 91 | fprintf(FILE, "0("); \
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| 92 | output_address(xfoo); \
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| 93 | fprintf(FILE, "(sb))"); \
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| 94 | } \
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| 95 | else \
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| 96 | { \
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| 97 | fprintf (FILE, "0("); \
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| 98 | output_address (xfoo); \
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| 99 | putc (')', FILE); \
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| 100 | } \
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| 101 | } \
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| 102 | break; \
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| 103 | case REG: \
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| 104 | fprintf (FILE, "0(%s)", reg_names[REGNO (xfoo)]); \
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| 105 | break; \
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| 106 | case PRE_DEC: \
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| 107 | case POST_INC: \
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| 108 | fprintf (FILE, "tos"); \
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| 109 | break; \
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| 110 | case CONST_INT: \
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| 111 | fprintf (FILE, "$%d", INTVAL (xfoo)); \
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| 112 | break; \
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| 113 | default: \
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| 114 | output_address (xfoo); \
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| 115 | break; \
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| 116 | } \
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| 117 | } \
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| 118 | else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) != VOIDmode) \
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| 119 | if (GET_MODE (X) == DFmode) \
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| 120 | { union { double d; int i[2]; } u; \
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| 121 | u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
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| 122 | fprintf (FILE, "$0d%.20e", u.d); } \
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| 123 | else { union { double d; int i[2]; } u; \
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| 124 | u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
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| 125 | fprintf (FILE, "$0f%.20e", u.d); } \
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| 126 | else output_addr_const (FILE, X); }
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| 127 |
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| 128 | #endif /* UTEK_ASM */
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| 129 |
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| 130 | #undef PRINT_OPERAND_ADDRESS
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| 131 | #define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address(FILE, ADDR)
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