diff options
Diffstat (limited to 'gcc/config/m68k/3b1.h')
| -rw-r--r-- | gcc/config/m68k/3b1.h | 513 |
1 files changed, 0 insertions, 513 deletions
diff --git a/gcc/config/m68k/3b1.h b/gcc/config/m68k/3b1.h deleted file mode 100644 index 5f9ec4c7301..00000000000 --- a/gcc/config/m68k/3b1.h +++ /dev/null @@ -1,513 +0,0 @@ -/* Definitions of target machine for GNU compiler. - AT&T UNIX PC version (pc7300, 3b1) - Copyright (C) 1987, 1993, 1996 Free Software Foundation, Inc. - Contributed by Alex Crain (alex@umbc3.umd.edu). - -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. */ - -#define SGS_SWITCH_TABLES /* Different switch table handling */ - -#include "m68k/hp320.h" - -/* See m68k.h. 0 means 680[01]0 with no 68881. */ - -#undef TARGET_DEFAULT -#define TARGET_DEFAULT 0 - -/* Don't try using XFmode. */ -#undef LONG_DOUBLE_TYPE_SIZE -#define LONG_DOUBLE_TYPE_SIZE 64 - -/* -m68020 requires special flags to the assembler. */ - -#undef ASM_SPEC -#define ASM_SPEC "%{m68020:-68020}%{!m68020:-68010} %{m68881:-68881}" - -/* we use /lib/libp/lib* when profiling */ - -#undef LIB_SPEC -#define LIB_SPEC "%{!shlib:%{p:-L/lib/libp} %{pg:-L/lib/libp} -lc}" - -/* shared libraries need to use crt0s.o */ - -#undef STARTFILE_SPEC -#define STARTFILE_SPEC \ - "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\ - %{shlib:crt0s.o%s shlib.ifile%s} " - -/* cpp has to support a #sccs directive for the /usr/include files */ - -#define SCCS_DIRECTIVE - -/* Make output for SDB. */ - -#define SDB_DEBUGGING_INFO - -/* The .file command should always begin the output. */ - -#undef ASM_FILE_START -#define ASM_FILE_START(FILE) \ -output_file_directive ((FILE), main_input_filename) - -/* Don't try to define `gcc_compiled.' since the assembler might not - accept symbols with periods and GDB doesn't run on this machine anyway. */ -#define ASM_IDENTIFY_GCC(FILE) - -/* Define __HAVE_68881__ in preprocessor if -m68881 is specified. - This will control the use of inline 68881 insns in certain macros. */ - -#undef CPP_SPEC -#define CPP_SPEC "%{m68881:-D__HAVE_68881__}" - -/* Names to predefine in the preprocessor for this target machine. */ -/* ihnp4!lmayk!lgm@eddie.mit.edu says mc68000 and m68k should not be here. */ - -#undef CPP_PREDEFINES -#define CPP_PREDEFINES "-Dmc68k -Dunix -Dunixpc -D__motorola__ -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)" - -#undef REGISTER_NAMES -#define REGISTER_NAMES \ -{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \ - "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp", \ - "%f0", "%f1", "%f2", "%f3", "%f4", "%f5", "%f6", "%f7"} - -/* Specify how to pad function arguments. - Value should be `upward', `downward' or `none'. - Same as the default, except no padding for large or variable-size args. */ - -#define FUNCTION_ARG_PADDING(MODE, TYPE) \ - (((MODE) == BLKmode \ - ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \ - && int_size_in_bytes (TYPE) < PARM_BOUNDARY / BITS_PER_UNIT) \ - : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \ - ? downward : none) - -/* The 3b1 does not have `atexit'. */ - -#undef HAVE_ATEXIT - -/* Override parts of m68k.h to fit the SGS-3b1 assembler. */ - -#undef TARGET_VERSION -#undef ASM_FORMAT_PRIVATE_NAME -#undef ASM_OUTPUT_DOUBLE -#undef ASM_OUTPUT_FLOAT -#undef ASM_OUTPUT_ALIGN -#undef ASM_OUTPUT_SOURCE_FILENAME -#undef ASM_OUTPUT_SOURCE_LINE -#undef PRINT_OPERAND_ADDRESS -#undef ASM_GENERATE_INTERNAL_LABEL -#undef FUNCTION_PROFILER -#undef ASM_OUTPUT_ADDR_VEC_ELT -#undef ASM_OUTPUT_ADDR_DIFF_ELT -#undef ASM_OUTPUT_INTERNAL_LABEL -#undef ASM_OUTPUT_OPCODE -#undef ASM_OUTPUT_LOCAL -#undef USER_LABEL_PREFIX -#undef ASM_OUTPUT_ASCII - -#define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T unixpc syntax)"); - -/* 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)) + 12), \ - sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO))) - -/* The unixpc doesn't know about double's and float's */ - -#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ -do { long l[2]; \ - REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \ - fprintf (FILE, "\tlong 0x%x,0x%x\n", l[0], l[1]); \ - } while (0) - -#undef ASM_OUTPUT_LONG_DOUBLE -#define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \ -do { long l[3]; \ - REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \ - fprintf (FILE, "\tlong 0x%x,0x%x,0x%x\n", l[0], l[1], l[2]); \ - } while (0) - -/* This is how to output an assembler line defining a `float' constant. */ - -#define ASM_OUTPUT_FLOAT(FILE,VALUE) \ -do { long l; \ - REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \ - fprintf ((FILE), "\tlong 0x%x\n", l); \ - } while (0) - -#define ASM_OUTPUT_ALIGN(FILE,LOG) \ - if ((LOG) == 1) \ - fprintf (FILE, "\teven\n"); \ - else if ((LOG) != 0) \ - abort (); - -/* This is how to output an assembler line - that says to advance the location counter by SIZE bytes. */ - -#undef ASM_OUTPUT_SKIP -#define ASM_OUTPUT_SKIP(FILE,SIZE) \ - fprintf (FILE, "\tspace %d\n", (SIZE)) - -/* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s. */ - -#define ASM_NO_SKIP_IN_TEXT 1 - -/* The beginnings of sdb support... */ - -#define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \ - do { fprintf (FILE, "\tfile\t"); \ - output_quoted_string (FILE, FILENAME); \ - fprintf (FILE, "\n"); \ - } while (0) - -#define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \ - fprintf (FILE, "\tln\t%d\n", \ - (sdb_begin_function_line \ - ? last_linenum - sdb_begin_function_line : 1)) - -/* Yet another null terminated string format. */ - -#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \ - do { register int sp = 0, lp = 0; \ - fprintf ((FILE), "\tbyte\t"); \ - loop: \ - if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \ - { lp += 3; \ - fprintf ((FILE), "'%c", (PTR)[sp]); } \ - else \ - { lp += 5; \ - fprintf ((FILE), "0x%x", (PTR)[sp]); } \ - if (++sp < (LEN)) \ - { if (lp > 60) \ - { lp = 0; \ - fprintf ((FILE), "\n\t%s ", ASCII_DATA_ASM_OP); } \ - else \ - putc (',', (FILE)); \ - goto loop; } \ - putc ('\n', (FILE)); } while (0) - -/* Note that in the case of the movhi which fetches an element of - an ADDR_DIFF_VEC the offset output is too large by 2. - This is because the 3b1 assembler refuses to subtract 2. - ASM_OUTPUT_CASE_LABEL, below, compensates for this. */ - -#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; } \ -/* for OLD_INDEXING \ - else if (GET_CODE (addr) == PLUS) \ - { \ - if (GET_CODE (XEXP (addr, 0)) == REG) \ - { \ - reg2 = XEXP (addr, 0); \ - addr = XEXP (addr, 1); \ - } \ - else if (GET_CODE (XEXP (addr, 1)) == REG) \ - { \ - reg2 = XEXP (addr, 1); \ - addr = XEXP (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, "LD%%%d(%%pc,%s.w", \ - CODE_LABEL_NUMBER (XEXP (addr, 0)), \ - reg_names[REGNO (XEXP (ireg, 0))]); \ - else \ - fprintf (FILE, "LD%%%d(%%pc,%s.l", \ - CODE_LABEL_NUMBER (XEXP (addr, 0)), \ - reg_names[REGNO (ireg)]); \ - if (scale != 1) fprintf (FILE, "*%d", scale); \ - fprintf (FILE, ")"); \ - break; } \ - if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \ - { fprintf (FILE, "LD%%%d(%%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 != 0) \ - output_addr_const (FILE, addr); \ - 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, "LD%%%d(%%pc,%s.w)", \ - 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", INTVAL (addr)); \ - else \ - output_addr_const (FILE, addr); \ - }} - -#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) - -/* Must put address in %a0 , not %d0 . -- LGM, 7/15/88 */ -#define FUNCTION_PROFILER(FILE, LABEL_NO) \ - fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount\n", (LABEL_NO)) - -#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ - fprintf (FILE, "\tlong L%%%d\n", (VALUE)) - -#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ - fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL)) - -/* ihnp4!lmayk!lgm says that `short 0' triggers assembler bug; - `short L%nn-L%nn' supposedly works. */ -#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ - if (! RTX_INTEGRATED_P (TABLE)) \ - fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \ - XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)); \ - else \ - fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n\tshort %s%%%d-%s%%%d\n", \ - XVECLEN (PATTERN (TABLE), 1) + 1, (PREFIX), (NUM), \ - (PREFIX), (NUM), (PREFIX), (NUM)) - -/* At end of a switch table, define LDnnn iff the symbol LInnn was defined. - Some SGS assemblers have a bug such that "Lnnn-LInnn-2.b(pc,d0.l*2)" - fails to assemble. Luckily "LDnnn(pc,d0.l*2)" produces the results - we want. This difference can be accommodated by making the assembler - define such "LDnnn" to be either "Lnnn-LInnn-2.b", "Lnnn", or any other - string, as necessary. This is accomplished via the ASM_OUTPUT_CASE_END - macro. */ - -#define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \ -{ if (switch_table_difference_label_flag) \ - fprintf (FILE, "\tset LD%%%d,L%%%d-LI%%%d\n", (NUM), (NUM), (NUM)); \ - switch_table_difference_label_flag = 0; } - -int switch_table_difference_label_flag; - -#define ASM_OUTPUT_OPCODE(FILE, PTR) \ -{ if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \ - { ++(PTR); \ - while (*(PTR) != ' ') \ - { putc (*(PTR), (FILE)); ++(PTR); } \ - fprintf ((FILE), ".w"); } \ - else if ((PTR)[0] == 's') \ - { \ - if (!strncmp ((PTR), "swap", 4)) \ - { fprintf ((FILE), "swap.w"); (PTR) += 4; } \ - } \ - else if ((PTR)[0] == 'f') \ - { \ - if (!strncmp ((PTR), "fmove", 5)) \ - { fprintf ((FILE), "fmov"); (PTR) += 5; } \ - else if (!strncmp ((PTR), "fbne", 4)) \ - { fprintf ((FILE), "fbneq"); (PTR) += 4; } \ - } \ -/* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV */ \ - else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \ - && (PTR)[2] == 'v' && (PTR)[3] == 'e') \ - { fprintf ((FILE), "mov"); (PTR) += 4; \ - if ((PTR)[0] == 'q' || (PTR)[0] == 'a' \ - || (PTR)[0] == 'c') (PTR)++; } \ -/* SUB, SUBQ, SUBA, SUBI ==> SUB */ \ - else if ((PTR)[0] == 's' && (PTR)[1] == 'u' \ - && (PTR)[2] == 'b') \ - { fprintf ((FILE), "sub"); (PTR) += 3; \ - if ((PTR)[0] == 'q' || (PTR)[0] == 'i' \ - || (PTR)[0] == 'a') (PTR)++; } \ -/* CMP, CMPA, CMPI, CMPM ==> CMP */ \ - else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \ - && (PTR)[2] == 'p') \ - { fprintf ((FILE), "cmp"); (PTR) += 3; \ - if ((PTR)[0] == 'a' || (PTR)[0] == 'i' \ - || (PTR)[0] == 'm') (PTR)++; } \ -} - -#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ -( fputs ("\tlcomm ", (FILE)), \ - assemble_name ((FILE), (NAME)), \ - fprintf ((FILE), ",%u\n", (ROUNDED))) - -#define USER_LABEL_PREFIX "" - -/* Override usual definitions of SDB output macros. - These definitions differ only in the absence of the period - at the beginning of the name of the directive - and in the use of `~' as the symbol for the current location. */ - -#define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a)) -#define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a)) -#define PUT_SDB_VAL(a) \ -( fputs ("\tval\t", asm_out_file), \ - output_addr_const (asm_out_file, (a)), \ - fputc (';', asm_out_file)) - -#define PUT_SDB_DEF(a) \ -do { fprintf (asm_out_file, "\tdef\t"); \ - ASM_OUTPUT_LABELREF (asm_out_file, a); \ - fprintf (asm_out_file, ";"); } while (0) - -#define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a) -#define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file) -#define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a) -#define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a) -#define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t") - -#define PUT_SDB_TAG(a) \ -do { fprintf (asm_out_file, "\ttag\t"); \ - ASM_OUTPUT_LABELREF (asm_out_file, a); \ - fprintf (asm_out_file, ";"); } while (0) - -#define PUT_SDB_BLOCK_START(LINE) \ - fprintf (asm_out_file, \ - "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \ - (LINE)) - -#define PUT_SDB_BLOCK_END(LINE) \ - fprintf (asm_out_file, \ - "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \ - (LINE)) - -#define PUT_SDB_FUNCTION_START(LINE) \ - fprintf (asm_out_file, \ - "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \ - (LINE)) - -#define PUT_SDB_FUNCTION_END(LINE) \ - fprintf (asm_out_file, \ - "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \ - (LINE)) - -#define PUT_SDB_EPILOGUE_END(NAME) \ - fprintf (asm_out_file, \ - "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \ - (NAME)) - -#define SDB_GENERATE_FAKE(BUFFER, NUMBER) \ - sprintf ((BUFFER), "~%dfake", (NUMBER)); - -/* Define subroutines to call to handle multiply, divide, and remainder. - Use the subroutines that the 3b1's library provides. - The `*' prevents an underscore from being prepended by the compiler. */ - -#define DIVSI3_LIBCALL "*ldiv" -#define UDIVSI3_LIBCALL "*uldiv" -#define MODSI3_LIBCALL "*lrem" -#define UMODSI3_LIBCALL "*ulrem" -#define MULSI3_LIBCALL "*lmul" -#define UMULSI3_LIBCALL "*ulmul" - -/* Definitions for collect2. */ - -#define OBJECT_FORMAT_COFF -#define NO_SYS_SIGLIST -#define MY_ISCOFF(magic) \ - ((magic) == MC68KWRMAGIC || (magic) == MC68KROMAGIC || (magic) == MC68KPGMAGIC) |