115 lines
3.8 KiB
C
115 lines
3.8 KiB
C
/* Definitions of target machine for GNU compiler. SEQUENT NS32000 version.
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Copyright (C) 1987 Free Software Foundation, Inc.
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Contributed by Michael Tiemann (tiemann@mcc.com)
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Two flags to control how addresses are printed in assembler insns. */
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#define SEQUENT_ADDRESS_BUG 1
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#define SEQUENT_BASE_REGS
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#include "ns32k.h"
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/* This is BSD, so it wants DBX format. */
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#define DBX_DEBUGGING_INFO
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/* Sequent has some changes in the format of DBX symbols. */
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#define DBX_NO_XREFS 1
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/* Don't split DBX symbols into continuations. */
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#define DBX_CONTIN_LENGTH 0
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#define TARGET_DEFAULT 9 /* 32332 with 32081 (guessing) */
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/* Print subsidiary information on the compiler version in use. */
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (32000, Sequent syntax)");
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-Dns32000 -Dsequent -Dunix"
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/* Link with libg.a when debugging, for dbx's sake. */
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#define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} "
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/* This is how to align the code that follows an unconditional branch.
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Don't define it, since it confuses the assembler (we hear). */
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#undef ASM_OUTPUT_ALIGN_CODE
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/* Assember pseudo-op for shared data segment. */
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#define SHARED_SECTION_ASM_OP ".shdata"
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/* Control how stack adjust insns are output. */
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#define SEQUENT_ADJUST_STACK
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/* %$ means print the prefix for an immediate operand.
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On the sequent, no prefix is used for such. */
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#undef PRINT_OPERAND
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#define PRINT_OPERAND(FILE, X, CODE) \
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{ if (CODE == '$') ; \
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else if (CODE == '?'); \
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else if (GET_CODE (X) == REG) \
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fprintf (FILE, "%s", reg_names[REGNO (X)]); \
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else if (GET_CODE (X) == MEM) \
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{ \
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rtx xfoo; \
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xfoo = XEXP (X, 0); \
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switch (GET_CODE (xfoo)) \
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{ \
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case MEM: \
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if (GET_CODE (XEXP (xfoo, 0)) == REG) \
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if (REGNO (XEXP (xfoo, 0)) == STACK_POINTER_REGNUM) \
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fprintf (FILE, "0(0(sp))"); \
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else fprintf (FILE, "0(0(%s))", \
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reg_names[REGNO (XEXP (xfoo, 0))]); \
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else \
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{ \
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fprintf (FILE, "0("); \
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output_address (xfoo); \
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putc (')', FILE); \
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} \
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break; \
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case REG: \
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fprintf (FILE, "0(%s)", reg_names[REGNO (xfoo)]); \
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break; \
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case PRE_DEC: \
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case POST_INC: \
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fprintf (FILE, "tos"); \
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break; \
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case CONST_INT: \
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fprintf (FILE, "@%d", INTVAL (xfoo)); \
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break; \
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default: \
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output_address (xfoo); \
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break; \
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} \
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} \
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else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) != DImode) \
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if (GET_MODE (X) == DFmode) \
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{ union { double d; int i[2]; } u; \
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u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
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fprintf (FILE, "0d%.20e", u.d); } \
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else { union { double d; int i[2]; } u; \
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u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
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fprintf (FILE, "0f%.20e", u.d); } \
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else output_addr_const (FILE, X); }
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#undef PRINT_OPERAND_ADDRESS
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#define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address(FILE, ADDR)
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