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/* Definitions of target machine for GNU compiler. SONY NEWS-OS 3.0 version.
Copyright (C) 1987, 1989 Free Software Foundation, Inc.
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. */
#ifndef USE_GAS
/* This controls conditionals in tm-m68k.h. */
#define MOTOROLA
#define SONY_ASM
#endif
#include "tm-m68k.h"
/* See tm-m68k.h. 7 means 68020 with 68881. */
#define TARGET_DEFAULT 7
/* Define __HAVE_68881__ in preprocessor, unless -msoft-float is specified.
This will control the use of inline 68881 insns in certain macros. */
#define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__}"
/* Names to predefine in the preprocessor for this target machine. */
/* These are the ones defined by Sony, plus mc68000 for uniformity with
GCC on other 68000 systems. */
#ifdef news700
#define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dnews700"
#endif
#ifdef news800
#define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dnews800"
#endif
#ifdef news900
#define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dnews900"
#endif
#ifdef news1500
#define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dmc68030 -Dnews1500"
#endif
#ifdef news1700
#define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dmc68030 -Dnews1700"
#endif
#ifdef news1800
#define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dmc68030 -Dnews1800"
#endif
#ifdef news1900
#define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dmc68030 -Dnews1900"
#endif
/* This is BSD, so it wants DBX format. */
#define DBX_DEBUGGING_INFO
/* Override parts of tm-m68k.h to fit Sony's assembler syntax. */
#undef POINTER_BOUNDARY
#undef BIGGEST_ALIGNMENT
#undef CALL_USED_REGISTERS
#undef FUNCTION_VALUE
#undef LIBCALL_VALUE
#undef FUNCTION_PROFILER
#ifdef MOTOROLA
#undef FUNCTION_PROLOGUE
#undef FUNCTION_EPILOGUE
#undef REGISTER_NAMES
#undef ASM_OUTPUT_REG_PUSH
#undef ASM_OUTPUT_REG_POP
#undef ASM_OUTPUT_DOUBLE
#undef ASM_OUTPUT_SKIP
#undef ASM_FORMAT_PRIVATE_NAME
#undef PRINT_OPERAND
#undef PRINT_OPERAND_ADDRESS
#endif
#undef ASM_OUTPUT_ALIGN
/* Allocation boundary (in *bits*) for storing pointers in memory. */
#define POINTER_BOUNDARY 32
/* There is no point aligning anything to a rounder boundary than this. */
#define BIGGEST_ALIGNMENT 32
/* A bitfield declared as `int' forces `int' alignment for the struct. */
#define PCC_BITFIELD_TYPE_MATTERS 1
/* NEWS makes d2, d3, fp2 and fp3 unsaved registers, unlike the Sun system. */
#define CALL_USED_REGISTERS \
{1, 1, 1, 1, 0, 0, 0, 0, \
1, 1, 0, 0, 0, 0, 0, 1, \
1, 1, 1, 1, 0, 0, 0, 0}
/* NEWS returns floats and doubles in fp0, not d0/d1. */
#define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE (TYPE_MODE (VALTYPE))
#define LIBCALL_VALUE(MODE) \
gen_rtx (REG, (MODE), ((TARGET_68881 && ((MODE) == SFmode || (MODE) == DFmode)) ? 16 : 0))
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
fprintf (FILE, "\t.align %d\n", (LOG))
#ifdef MOTOROLA
/* Don't try to define `gcc_compiled.' since the assembler does not
accept symbols with periods. This is no real loss since GDB only
really needs it for parms passed in registers. */
#define ASM_IDENTIFY_GCC(FILE)
#define FUNCTION_PROLOGUE(FILE, SIZE) \
{ register int regno; \
register int mask = 0; \
extern char call_used_regs[]; \
int fsize = ((SIZE) + 3) & -4; \
if (frame_pointer_needed) \
{ if (fsize < 0x8000) \
fprintf (FILE, "\tlink fp,#%d\n", -fsize); \
else if (TARGET_68020) \
fprintf (FILE, "\tlink.l fp,#%d\n", -fsize); \
else \
fprintf (FILE, "\tlink fp,#0\n\tsub.l #%d,sp\n", fsize); } \
for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \
if (regs_ever_live[regno] && ! call_used_regs[regno]) \
mask |= 1 << (regno - 16); \
if (mask != 0) \
fprintf (FILE, "\tfmovem.x #0x%x,-(sp)\n", mask & 0xff); \
mask = 0; \
for (regno = 0; regno < 16; regno++) \
if (regs_ever_live[regno] && ! call_used_regs[regno]) \
mask |= 1 << (15 - regno); \
if (frame_pointer_needed) \
mask &= ~ (1 << (15-FRAME_POINTER_REGNUM)); \
if (exact_log2 (mask) >= 0) \
fprintf (FILE, "\tmove.l %s,-(sp)\n", reg_names[15 - exact_log2 (mask)]); \
else if (mask) fprintf (FILE, "\tmovem.l #0x%x,-(sp)\n", mask); }
#define FUNCTION_PROFILER(FILE, LABEL_NO) \
fprintf (FILE, "\tmove.l #LP%d,d0\n\tjsr mcount\n", (LABEL_NO));
#define FUNCTION_EPILOGUE(FILE, SIZE) \
{ register int regno; \
register int mask, fmask; \
register int nregs; \
int offset, foffset; \
extern char call_used_regs[]; \
extern int current_function_pops_args; \
extern int current_function_args_size; \
int fsize = ((SIZE) + 3) & -4; \
int big = 0; \
nregs = 0; fmask = 0; \
for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \
if (regs_ever_live[regno] && ! call_used_regs[regno]) \
{ nregs++; fmask |= 1 << (23 - regno); } \
foffset = nregs * 12; \
nregs = 0; mask = 0; \
if (frame_pointer_needed) regs_ever_live[FRAME_POINTER_REGNUM] = 0; \
for (regno = 0; regno < 16; regno++) \
if (regs_ever_live[regno] && ! call_used_regs[regno]) \
{ nregs++; mask |= 1 << regno; } \
offset = foffset + nregs * 4; \
if (offset + fsize >= 0x8000 \
&& frame_pointer_needed \
&& (mask || fmask)) \
{ fprintf (FILE, "\tmove.l #%d,a0\n", -fsize); \
fsize = 0, big = 1; } \
if (exact_log2 (mask) >= 0) { \
if (big) \
fprintf (FILE, "\tmove.l (-%d,fp,a0.l),%s\n", \
offset + fsize, reg_names[exact_log2 (mask)]); \
else if (! frame_pointer_needed) \
fprintf (FILE, "\tmove.l (sp)+,%s\n", \
reg_names[exact_log2 (mask)]); \
else \
fprintf (FILE, "\tmove.l (-%d,fp),%s\n", \
offset + fsize, reg_names[exact_log2 (mask)]); } \
else if (mask) { \
if (big) \
fprintf (FILE, "\tmovem.l (-%d,fp,a0.l),#0x%x\n", \
offset + fsize, mask); \
else if (! frame_pointer_needed) \
fprintf (FILE, "\tmovem.l (sp)+,#0x%x\n", mask); \
else \
fprintf (FILE, "\tmovem.l (-%d,fp),#0x%x\n", \
offset + fsize, mask); } \
if (fmask) { \
if (big) \
fprintf (FILE, "\tfmovem.x (-%d,fp,a0.l),#0x%x\n", \
foffset + fsize, fmask); \
else if (! frame_pointer_needed) \
fprintf (FILE, "\tfmovem.x (sp)+,#0x%x\n", fmask); \
else \
fprintf (FILE, "\tfmovem.x (-%d,fp),#0x%x\n", \
foffset + fsize, fmask); } \
if (frame_pointer_needed) \
fprintf (FILE, "\tunlk fp\n"); \
if (current_function_pops_args && current_function_args_size) \
fprintf (FILE, "\trtd #%d\n", current_function_args_size); \
else fprintf (FILE, "\trts\n"); }
/* Difference from tm-m68k.h is in `fp' instead of `a6'. */
#define REGISTER_NAMES \
{"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", \
"a0", "a1", "a2", "a3", "a4", "a5", "fp", "sp", \
"fp0", "fp1", "fp2", "fp3", "fp4", "fp5", "fp6", "fp7"}
/* This is how to output an insn to push a register on the stack.
It need not be very fast code. */
#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
fprintf (FILE, "\tmove.l %s,-(sp)\n", reg_names[REGNO])
/* This is how to output an insn to pop a register from the stack.
It need not be very fast code. */
#define ASM_OUTPUT_REG_POP(FILE,REGNO) \
fprintf (FILE, "\tmove.l (sp)+,%s\n", reg_names[REGNO])
#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
fprintf (FILE, "\t.double 0d%.20e\n", (VALUE))
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
fprintf (FILE, "\t.space %u\n", (SIZE))
/* Store in OUTPUT a string (made with alloca) containing
an assembler-name for a local static variable named NAME.
LABELNO is an integer which is different for each call. */
#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 13), \
sprintf ((OUTPUT), "%s$$$%d", (NAME), (LABELNO)))
#define PRINT_OPERAND(FILE, X, CODE) \
{ if (CODE == '.') fprintf (FILE, "."); \
else if (CODE == '#') fprintf (FILE, "#"); \
else if (CODE == '-') fprintf (FILE, "-(sp)"); \
else if (CODE == '+') fprintf (FILE, "(sp)+"); \
else if (CODE == '@') fprintf (FILE, "(sp)"); \
else if (CODE == '!') fprintf (FILE, "ccr"); \
else if (GET_CODE (X) == REG) \
fprintf (FILE, "%s", reg_names[REGNO (X)]); \
else if (GET_CODE (X) == MEM) \
output_address (XEXP (X, 0)); \
else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \
{ union { double d; int i[2]; } u; \
union { float f; int i; } u1; \
u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
u1.f = u.d; \
if (CODE == 'f') \
fprintf (FILE, "#0f%.9e", u1.f); \
else \
fprintf (FILE, "#0x%x", u1.i); } \
else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) != DImode) \
{ union { double d; int i[2]; } u; \
u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
fprintf (FILE, "#0d%.20e", u.d); } \
else if (CODE == 'b') output_addr_const (FILE, X); \
else { putc ('#', FILE); output_addr_const (FILE, X); }}
#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
{ register rtx reg1, reg2, breg, ireg; \
register rtx addr = ADDR; \
rtx offset; \
switch (GET_CODE (addr)) \
{ \
case REG: \
fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
break; \
case PRE_DEC: \
fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
break; \
case POST_INC: \
fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
break; \
case PLUS: \
reg1 = 0; reg2 = 0; \
ireg = 0; breg = 0; \
offset = 0; \
if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
{ \
offset = XEXP (addr, 0); \
addr = XEXP (addr, 1); \
} \
else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
{ \
offset = XEXP (addr, 1); \
addr = XEXP (addr, 0); \
} \
if (GET_CODE (addr) != PLUS) ; \
else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
{ \
reg1 = XEXP (addr, 0); \
addr = XEXP (addr, 1); \
} \
else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
{ \
reg1 = XEXP (addr, 1); \
addr = XEXP (addr, 0); \
} \
else if (GET_CODE (XEXP (addr, 0)) == MULT) \
{ \
reg1 = XEXP (addr, 0); \
addr = XEXP (addr, 1); \
} \
else if (GET_CODE (XEXP (addr, 1)) == MULT) \
{ \
reg1 = XEXP (addr, 1); \
addr = XEXP (addr, 0); \
} \
else if (GET_CODE (XEXP (addr, 0)) == REG) \
{ \
reg1 = XEXP (addr, 0); \
addr = XEXP (addr, 1); \
} \
else if (GET_CODE (XEXP (addr, 1)) == REG) \
{ \
reg1 = XEXP (addr, 1); \
addr = XEXP (addr, 0); \
} \
if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
|| GET_CODE (addr) == SIGN_EXTEND) \
{ if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
|| GET_CODE (reg1) == MULT)) \
|| (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
{ breg = reg2; ireg = reg1; } \
else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
{ breg = reg1; ireg = reg2; } \
if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
{ int scale = 1; \
if (GET_CODE (ireg) == MULT) \
{ scale = INTVAL (XEXP (ireg, 1)); \
ireg = XEXP (ireg, 0); } \
if (GET_CODE (ireg) == SIGN_EXTEND) \
fprintf (FILE, "(L%d.b,pc,%s.w", \
CODE_LABEL_NUMBER (XEXP (addr, 0)), \
reg_names[REGNO (XEXP (ireg, 0))]); \
else \
fprintf (FILE, "(L%d.b,pc,%s.l", \
CODE_LABEL_NUMBER (XEXP (addr, 0)), \
reg_names[REGNO (ireg)]); \
if (scale != 1) fprintf (FILE, "*%d", scale); \
putc (')', FILE); \
break; } \
if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \
{ fprintf (FILE, "(L%d.b,pc,%s.l", \
CODE_LABEL_NUMBER (XEXP (addr, 0)), \
reg_names[REGNO (breg)]); \
putc (')', FILE); \
break; } \
if (ireg != 0 || breg != 0) \
{ int scale = 1; \
if (breg == 0) \
abort (); \
if (addr && GET_CODE (addr) == LABEL_REF) abort (); \
fprintf (FILE, "("); \
if (addr != 0) { \
output_addr_const (FILE, addr); \
putc (',', FILE); } \
fprintf (FILE, "%s", reg_names[REGNO (breg)]); \
if (ireg != 0) \
putc (',', FILE); \
if (ireg != 0 && GET_CODE (ireg) == MULT) \
{ scale = INTVAL (XEXP (ireg, 1)); \
ireg = XEXP (ireg, 0); } \
if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
else if (ireg != 0) \
fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
if (scale != 1) fprintf (FILE, "*%d", scale); \
putc (')', FILE); \
break; \
} \
else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
{ fprintf (FILE, "(L%d.b,pc,%s.l)", \
CODE_LABEL_NUMBER (XEXP (addr, 0)), \
reg_names[REGNO (reg1)]); \
break; } \
default: \
if (GET_CODE (addr) == CONST_INT \
&& INTVAL (addr) < 0x8000 \
&& INTVAL (addr) >= -0x8000) \
fprintf (FILE, "%d.w", INTVAL (addr)); \
else \
output_addr_const (FILE, addr); \
}}
#else /* Using GAS, which uses the MIT assembler syntax, like a Sun. */
#define FUNCTION_PROFILER(FILE, LABEL_NO) \
fprintf (FILE, "\tmovl #LP%d,d0\n\tjsr mcount\n", (LABEL_NO));
#endif /* MOTOROLA */
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