--- /dev/null
+/* 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 2, 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 m68k.h. */
+#define MOTOROLA /* Use Motorola syntax rather than "MIT" */
+#define SGS_NO_LI /* Suppress jump table label usage */
+#endif
+
+#include "m68k.h"
+
+/* See 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. */
+
+#define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dnews700"
+
+/* These conditionals tested for different submodels,
+ but they were incorrect since they tested the host rather than the target.
+ The choice of model shouldn't actually matter. */
+
+#if 0
+#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
+#endif
+
+/* Link with libg.a when debugging, for dbx's sake. */
+
+#define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} "
+
+/* This is BSD, so it wants DBX format. */
+
+#define DBX_DEBUGGING_INFO
+
+#if 0
+/* This is to be compatible with types.h.
+ It was found to be necessary with Newsos 3. */
+
+#define SIZE_TYPE "long int"
+#endif
+\f
+/* Override parts of m68k.h to fit Sony's assembler syntax. */
+
+#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
+
+/* 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))
+\f
+#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[]; \
+ 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) \
+ fprintf (FILE, "\trtd #%d\n", current_function_pops_args); \
+ else fprintf (FILE, "\trts\n"); }
+
+/* Difference from 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 (CODE == '$') {if (TARGET_68040_ONLY) fprintf (FILE, "s");} \
+ else if (CODE == '&') {if (TARGET_68040_ONLY) fprintf (FILE, "d");} \
+ 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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