| /* Definitions of target machine for GNU compiler. SONY NEWS-OS 4 version. |
| Copyright (C) 1987, 1989, 1993, 1994, 1996, 1997, 1998, 1999 |
| 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, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, 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 |
| |
| #define NEWS |
| #define NO_DOLLAR_IN_LABEL |
| #define NO_DOT_IN_LABEL |
| |
| #include "m68k/m68k.h" |
| |
| /* See m68k.h. 7 means 68020 with 68881. */ |
| |
| #define TARGET_DEFAULT (MASK_BITFIELD|MASK_68881|MASK_68020) |
| |
| /* 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 MOTOROLA |
| #define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dnews700 -D__motorola__ -Asystem=unix -Asystem=bsd -Acpu=m68k -Amachine=m68k" |
| #else |
| #define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dnews700 -Asystem=unix -Asystem=bsd -Acpu=m68k -Amachine=m68k" |
| #endif |
| |
| /* 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 -Asystem=unix -Asystem=bsd -Acpu=m68k -Amachine=m68k" |
| #endif |
| #ifdef news900 |
| #define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dnews900 -Asystem=unix -Asystem=bsd -Acpu=m68k -Amachine=m68k" |
| #endif |
| #ifdef news1500 |
| #define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dmc68030 -Dnews1500 -Asystem=unix -Asystem=bsd -Acpu=m68k -Amachine=m68k" |
| #endif |
| #ifdef news1700 |
| #define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dmc68030 -Dnews1700 -Asystem=unix -Asystem=bsd -Acpu=m68k -Amachine=m68k" |
| #endif |
| #ifdef news1800 |
| #define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dmc68030 -Dnews1800 -Asystem=unix -Asystem=bsd -Acpu=m68k -Amachine=m68k" |
| #endif |
| #ifdef news1900 |
| #define CPP_PREDEFINES "-Dunix -Dbsd43 -Dsony -Dsony_news -Dmc68000 -Dmc68020 -Dmc68030 -Dnews1900 -Asystem=unix -Asystem=bsd -Acpu=m68k -Amachine=m68k" |
| #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 |
| |
| /* 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 REGISTER_NAMES |
| #undef ASM_OUTPUT_REG_PUSH |
| #undef ASM_OUTPUT_REG_POP |
| #undef ASM_OUTPUT_SKIP |
| #undef ASM_FORMAT_PRIVATE_NAME |
| #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 \ |
| || (MODE) == XFmode)) \ |
| ? 16 : 0)) |
| |
| #define ASM_OUTPUT_ALIGN(FILE,LOG) \ |
| fprintf (FILE, "\t.align %d\n", (LOG)) |
| |
| #ifdef MOTOROLA |
| |
| #define FUNCTION_PROFILER(FILE, LABEL_NO) \ |
| fprintf (FILE, "\tmove.l #LP%d,d0\n\tjsr mcount\n", (LABEL_NO)); |
| |
| /* 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_SKIP(FILE,SIZE) \ |
| fprintf (FILE, "\t.space %u\n", (SIZE)) |
| |
| #if 0 |
| /* The NEWS assembler in version 3.4 complains about fmove.d, but this |
| macro proved not to work right. 3.4 is old, so forget about it. */ |
| #define ASM_OUTPUT_OPCODE(FILE, STRING) \ |
| { \ |
| if (!strncmp (STRING, "fmove.d", 7) \ |
| && CONSTANT_P (operands[1])) \ |
| { \ |
| fprintf (FILE, "fmove.x"); \ |
| STRING += 7; \ |
| } \ |
| } |
| #endif |
| |
| /* 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))) |
| |
| /* Output a float value (represented as a C double) as an immediate operand. |
| This macro is a 68k-specific macro. */ |
| |
| #undef ASM_OUTPUT_FLOAT_OPERAND |
| #define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \ |
| do { \ |
| if (CODE == 'f') \ |
| { \ |
| char dstr[30]; \ |
| REAL_VALUE_TO_DECIMAL (VALUE, "%.9e", dstr); \ |
| if (REAL_VALUE_ISINF (VALUE) || REAL_VALUE_ISNAN (VALUE)) \ |
| { \ |
| if (REAL_VALUE_NEGATIVE (VALUE)) \ |
| fprintf (FILE, "#0f-99e999"); \ |
| else \ |
| fprintf (FILE, "#0f99e999"); \ |
| } \ |
| else if (REAL_VALUE_MINUS_ZERO (VALUE)) \ |
| fprintf (FILE, "#0f-0.0"); \ |
| else \ |
| fprintf (FILE, "#0f%s", dstr); \ |
| } \ |
| else \ |
| { \ |
| long l; \ |
| REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \ |
| fprintf (FILE, "#0x%lx", l); \ |
| } \ |
| } while (0) |
| |
| /* Output a double value (represented as a C double) as an immediate operand. |
| This macro is a 68k-specific macro. */ |
| #undef ASM_OUTPUT_DOUBLE_OPERAND |
| #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \ |
| do { char dstr[30]; \ |
| REAL_VALUE_TO_DECIMAL (VALUE, "%.20e", dstr ); \ |
| if (REAL_VALUE_ISINF (VALUE) || REAL_VALUE_ISNAN (VALUE)) \ |
| { \ |
| if (REAL_VALUE_NEGATIVE (VALUE)) \ |
| fprintf (FILE, "#0d-99e999"); \ |
| else \ |
| fprintf (FILE, "#0d99e999"); \ |
| } \ |
| else if (REAL_VALUE_MINUS_ZERO (VALUE)) \ |
| fprintf (FILE, "#0d-0.0"); \ |
| else \ |
| fprintf (FILE, "#0d%s", dstr); \ |
| } while (0) |
| |
| /* Note, long double immediate operands are not actually |
| generated by m68k.md. */ |
| #undef ASM_OUTPUT_LONG_DOUBLE_OPERAND |
| #define ASM_OUTPUT_LONG_DOUBLE_OPERAND(FILE,VALUE) \ |
| do { char dstr[30]; \ |
| REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \ |
| asm_fprintf (FILE, "%I0r%s", dstr); \ |
| } while (0) |
| |
| #if 0 |
| #undef PRINT_OPERAND |
| #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, "fpcr"); \ |
| else if (CODE == '$') {if (TARGET_68040_ONLY) fprintf (FILE, "s");} \ |
| else if (CODE == '&') {if (TARGET_68040_ONLY) fprintf (FILE, "d");} \ |
| else if (CODE == '/') \ |
| ; \ |
| 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) \ |
| { REAL_VALUE_TYPE r; \ |
| REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ |
| if (CODE == 'f') \ |
| { char dstr[30]; \ |
| REAL_VALUE_TO_DECIMAL (r, "%.9e", dstr); \ |
| if (REAL_VALUE_ISINF (r) || REAL_VALUE_ISNAN (r)) { \ |
| if (REAL_VALUE_NEGATIVE (r)) \ |
| fprintf (FILE, "#0f-99e999"); \ |
| else \ |
| fprintf (FILE, "#0f99e999"); } \ |
| else if (REAL_VALUE_MINUS_ZERO (r)) \ |
| fprintf (FILE, "#0f-0.0"); \ |
| else \ |
| fprintf (FILE, "#0f%s", dstr); \ |
| } \ |
| else \ |
| { long l; \ |
| REAL_VALUE_TO_TARGET_SINGLE (r, l); \ |
| fprintf (FILE, "#0x%lx", l); \ |
| }} \ |
| else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == XFmode) \ |
| { REAL_VALUE_TYPE r; \ |
| REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ |
| ASM_OUTPUT_LONG_DOUBLE_OPERAND (FILE, r); } \ |
| else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \ |
| { REAL_VALUE_TYPE r; char dstr[30]; \ |
| REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ |
| REAL_VALUE_TO_DECIMAL (r, "%.20e", dstr ); \ |
| if (REAL_VALUE_ISINF (r) || REAL_VALUE_ISNAN (r)) { \ |
| if (REAL_VALUE_NEGATIVE (r)) \ |
| fprintf (FILE, "#0d-99e999"); \ |
| else \ |
| fprintf (FILE, "#0d99e999"); } \ |
| else if (REAL_VALUE_MINUS_ZERO (r)) \ |
| fprintf (FILE, "#0d-0.0"); \ |
| else \ |
| fprintf (FILE, "#0d%s", dstr); } \ |
| else if (CODE == 'b') output_addr_const (FILE, X); \ |
| else { putc ('#', FILE); output_addr_const (FILE, X); }} |
| #endif |
| |
| #undef PRINT_OPERAND_ADDRESS |
| #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 */ |
