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tm-encore.h
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1992-06-08
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6KB
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199 lines
/* Definitions of target machine for GNU compiler. ENCORE NS32000 version.
Copyright (C) 1988 Free Software Foundation, Inc.
Adapted by Robert Brown (brown@harvard.harvard.edu) from the Sequent
version by Michael Tiemann (tiemann@mcc.com).
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
* Looks like all multiprocessors have this bug!
*/
#define SEQUENT_ADDRESS_BUG 1
#include "tm-ns32k.h"
#define SDB_DEBUGGING_INFO
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
/* Cause long-jump assembler to be used,
since otherwise some files fail to be assembled right. */
#define ASM_SPEC "-j"
#undef ASM_FILE_START
#undef ASM_GENERATE_INTERNAL_LABEL
#undef ASM_OUTPUT_ADDR_DIFF_ELT
#undef ASM_OUTPUT_ALIGN
#undef ASM_OUTPUT_ASCII
#undef ASM_OUTPUT_DOUBLE
#undef ASM_OUTPUT_INT
#undef ASM_OUTPUT_INTERNAL_LABEL
#undef ASM_OUTPUT_LOCAL
#undef CPP_PREDEFINES
#undef FUNCTION_BOUNDARY
#undef PRINT_OPERAND
#undef PRINT_OPERAND_ADDRESS
#undef TARGET_VERSION
#define TARGET_DEFAULT 1
#define TARGET_VERSION fprintf (stderr, " (32000, Encore syntax)");
/* Note Encore does not standardly do -Dencore. */
/* budd: should have a -ns32332 (or -apc) switch! but no harm for now */
#define CPP_PREDEFINES "-Dns32000 -Dn16 -Dns16000 -Dns32332 -Dunix"
/* Ignore certain cpp directives used in header files on sysV. */
#define SCCS_DIRECTIVE
/* Output #ident as a .ident. */
#define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);
/* The .file command should always begin the output. */
#define ASM_FILE_START(FILE) sdbout_filename ((FILE), main_input_filename)
#define FUNCTION_BOUNDARY 128 /* speed optimization */
/*
* The Encore assembler uses ".align 2" to align on 2-byte boundaries.
*/
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
fprintf (FILE, "\t.align %d\n", 1 << (LOG))
/*
* Internal labels are prefixed with a period.
*/
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf (LABEL, "*.%s%d", PREFIX, NUM)
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
fprintf (FILE, "\t.word .L%d-.LI%d\n", VALUE, REL)
/*
* Different syntax for integer constants, double constants, and
* uninitialized locals.
*/
#define ASM_OUTPUT_INT(FILE,VALUE) \
( fprintf (FILE, "\t.double "), \
output_addr_const (FILE, (VALUE)), \
fprintf (FILE, "\n"))
#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
fprintf (FILE, "\t.long 0f%.20e\n", (VALUE))
#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
( fputs ("\t.bss ", (FILE)), \
assemble_name ((FILE), (NAME)), \
fprintf ((FILE), ",%d,%d\n", (SIZE), (ROUNDED)))
/*
* Encore assembler can't handle huge string constants like the one in
* gcc.c. If the default routine in varasm.c were more conservative, this
* code could be eliminated. It starts a new .ascii directive every 40
* characters.
*/
#define ASM_OUTPUT_ASCII(file, p, size) \
{ \
for (i = 0; i < size; i++) \
{ \
register int c = p[i]; \
if ((i / 40) * 40 == i) \
if (i == 0) \
fprintf (file, "\t.ascii \""); \
else \
fprintf (file, "\"\n\t.ascii \""); \
if (c == '\"' || c == '\\') \
putc ('\\', file); \
if (c >= ' ' && c < 0177) \
putc (c, file); \
else \
{ \
fprintf (file, "\\%o", c); \
if (i < size - 1 \
&& p[i + 1] >= '0' && p[i + 1] <= '9') \
fprintf (file, "\"\n\t.ascii \""); \
} \
} \
fprintf (file, "\"\n"); \
}
/*
* Dollar signs are required before immediate operands, double
* floating point constants use $0f syntax, and external addresses
* should be prefixed with a question mark to avoid assembler warnings
* about undefined symbols.
*/
#define PRINT_OPERAND(FILE, X, CODE) \
{ if (CODE == '$') putc ('$', FILE); \
else if (CODE == '?') fputc ('?', FILE); \
else if (GET_CODE (X) == REG) \
fprintf (FILE, "%s", reg_names[REGNO (X)]); \
else if (GET_CODE (X) == MEM) \
{ \
rtx xfoo; \
xfoo = XEXP (X, 0); \
switch (GET_CODE (xfoo)) \
{ \
case MEM: \
if (GET_CODE (XEXP (xfoo, 0)) == REG) \
if (REGNO (XEXP (xfoo, 0)) == STACK_POINTER_REGNUM) \
fprintf (FILE, "0(0(sp))"); \
else fprintf (FILE, "0(0(%s))", \
reg_names[REGNO (XEXP (xfoo, 0))]); \
else \
{ \
fprintf (FILE, "0("); \
output_address (xfoo); \
putc (')', FILE); \
} \
break; \
case REG: \
fprintf (FILE, "0(%s)", reg_names[REGNO (xfoo)]); \
break; \
case PRE_DEC: \
case POST_INC: \
fprintf (FILE, "tos"); \
break; \
case CONST_INT: \
fprintf (FILE, "@%d", INTVAL (xfoo)); \
break; \
default: \
output_address (xfoo); \
break; \
} \
} \
else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) != DImode) \
if (GET_MODE (X) == DFmode) \
{ union { double d; int i[2]; } u; \
u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
fprintf (FILE, "$0f%.20e", u.d); } \
else { union { double d; int i[2]; } u; \
u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
fprintf (FILE, "$0f%.20e", u.d); } \
else if (GET_CODE (X) == CONST) \
output_addr_const (FILE, X); \
else { putc ('$', FILE); output_addr_const (FILE, X); }}
#define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address(FILE, ADDR)