?? tm-news.h
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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 modifyit under the terms of the GNU General Public License as published bythe 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with GNU CC; see the file COPYING. If not, write tothe 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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