From: Richard Stallman Date: Fri, 7 Feb 1992 08:50:16 +0000 (+0000) Subject: Initial revision X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=394142d87c911bba0cdc8c5be7ae7d2cfc9c36c2;p=gcc.git Initial revision From-SVN: r289 --- diff --git a/gcc/config/m68k/mot3300.h b/gcc/config/m68k/mot3300.h new file mode 100644 index 00000000000..3ad6bc40106 --- /dev/null +++ b/gcc/config/m68k/mot3300.h @@ -0,0 +1,777 @@ +/* Definitions of target machine for GNU compiler. + SysV68 Motorola 3300 Delta Series + + Written by Abramo and Roberto Bagnara + after Alex Crain's 3B1 definitions. + + Bug reports to bagnara@dipisa.di.unipi.it + + Copyright (C) 1987 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. */ + +#define MOTOROLA /* Use Motorola syntax rather than "MIT" */ +#define SGS /* Uses SGS assembler */ +#define SGS_CMP_ORDER /* Takes cmp operands in reverse order */ +#define SGS_SWAP_W /* Use swap.w rather than just plain swap */ +#define SGS_SWITCH_TABLES /* Different switch table handling */ + +#include "m68k.h" + +/* See m68k.h. 7 means 68020 with 68881. */ + +#ifndef TARGET_DEFAULT +#define TARGET_DEFAULT 7 +#endif + +/* NYI: FP= is equivalent to -msoft-float */ + +/* We use /lib/libp/lib* when profiling. */ + +/* NYI: if FP=M68881U library is -lc881u */ +/* NYI: if FP= library is -lc. */ +/* Default for us: FP=M68881 library is -lc881 */ +#undef LIB_SPEC +#define LIB_SPEC "%{!shlib:%{p:-L/usr/lib/libp} %{pg:-L/usr/lib/libp} -lc881}" + +#define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__}" + +/* 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} " + +/* Generate calls to memcpy, memcmp and memset. */ + +#define TARGET_MEM_FUNCTIONS + +/* Every structure or union's size must be a multiple of 2 bytes. */ + +#define STRUCTURE_SIZE_BOUNDARY 16 + +/* cpp has to support a #sccs directive for the /usr/include files */ + +#define SCCS_DIRECTIVE + +/* Make output for SDB. */ + +#define SDB_DEBUGGING_INFO + +#undef REGISTER_NAMES +#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"} + +#undef FUNCTION_PROLOGUE +#define FUNCTION_PROLOGUE(FILE, SIZE) \ +{ register int regno; \ + register int mask = 0; \ + extern char call_used_regs[]; \ + int fsize = (SIZE); \ + if (frame_pointer_needed) \ + { if (fsize < 0x8000) \ + fprintf (FILE, "\tlink.w %%fp,&%d\n", -fsize); \ + else if (TARGET_68020) \ + fprintf (FILE, "\tlink.l %%fp,&%d\n", -fsize); \ + else \ + fprintf (FILE, "\tlink.w %%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 &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, "\tmov.l %s,-(%%sp)\n", reg_names[15 - exact_log2 (mask)]); \ + else if (mask) fprintf (FILE, "\tmovm.l &0x%x,-(%%sp)\n", mask); } + +#undef FUNCTION_PROFILER +#define FUNCTION_PROFILER(FILE, LABEL_NO) \ + fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO)) + +#undef FUNCTION_EPILOGUE +#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); \ + 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) \ + { fprintf (FILE, "\tmov.l &%d,%%a0\n", -fsize); \ + fsize = 0, big = 1; } \ + if (exact_log2 (mask) >= 0) { \ + if (big) \ + fprintf (FILE, "\tmov.l -%d(%%fp,%%a0.l),%s\n", \ + offset + fsize, reg_names[exact_log2 (mask)]); \ + else if (! frame_pointer_needed) \ + fprintf (FILE, "\tmov.l (%%sp)+,%s\n", \ + reg_names[exact_log2 (mask)]); \ + else \ + fprintf (FILE, "\tmov.l -%d(%%fp),%s\n", \ + offset + fsize, reg_names[exact_log2 (mask)]); } \ + else if (mask) { \ + if (big) \ + fprintf (FILE, "\tmovm.l -%d(%%fp,%%a0.l),&0x%x\n", \ + offset + fsize, mask); \ + else if (! frame_pointer_needed) \ + fprintf (FILE, "\tmovm.l (%%sp)+,&0x%x\n", mask); \ + else \ + fprintf (FILE, "\tmovm.l -%d(%%fp),&0x%x\n", \ + offset + fsize, mask); } \ + if (fmask) { \ + if (big) \ + fprintf (FILE, "\tfmovem -%d(%%fp,%%a0.l),&0x%x\n", \ + foffset + fsize, fmask); \ + else if (! frame_pointer_needed) \ + fprintf (FILE, "\tfmovem (%%sp)+,&0x%x\n", fmask); \ + else \ + fprintf (FILE, "\tfmovem -%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"); } + +/* This is how to output an insn to push a register on the stack. + It need not be very fast code. */ + +#undef ASM_OUTPUT_REG_PUSH +#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ + fprintf (FILE, "\tmov.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. */ + +#undef ASM_OUTPUT_REG_POP +#define ASM_OUTPUT_REG_POP(FILE,REGNO) \ + fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO]) + +#undef ASM_APP_ON +#define ASM_APP_ON "" + +#undef ASM_APP_OFF +#define ASM_APP_OFF "" + +/* We like aligned sources, and maybe our as will like them. */ + +#undef TEXT_SECTION_ASM_OP +#define TEXT_SECTION_ASM_OP "\ttext" +#undef DATA_SECTION_ASM_OP +#define DATA_SECTION_ASM_OP "\tdata" +#undef ASCII_DATA_ASM_OP +#define ASCII_DATA_ASM_OP "\tbyte" + +/* 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) + +/* Names to predefine in the preprocessor for this target machine. */ +/* ihnp4!lmayk!lgm@eddie.mit.edu says mc68000 and m68k should not be here, + on the other hand I don't care what he says. */ + +#undef CPP_PREDEFINES +#define CPP_PREDEFINES "-Dm68k -Dunix -DsysV68" + +/* 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) + +/* Override part of the obstack macros. */ + +#define __PTR_TO_INT(P) ((int)(P)) +#define __INT_TO_PTR(P) ((char *)(P)) + +#undef TARGET_VERSION +#define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T sysV68 syntax)"); + +/* Function calls save all but a0, a1, d0, d1, fp0, fp1. */ + +#undef CALL_USED_REGISTERS +#define CALL_USED_REGISTERS \ + {1, 1, 0, 0, 0, 0, 0, 0, \ + 1, 1, 0, 0, 0, 0, 0, 1, \ + 1, 1, 0, 0, 0, 0, 0, 0} + +/* If TARGET_68881, return SF and DF values in fp0 instead of d0. */ +/* NYI: If FP=M68881U return SF and DF values in d0. */ +/* NYI: If -mold return pointer in a0 and d0 */ + +#undef FUNCTION_VALUE +#define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE(TYPE_MODE(VALTYPE)) + +/* sysV68 (brain damaged) cc convention support. */ +/* Commented out until we find a safe way to make it optional. */ +#if 0 +#define FUNCTION_VALUE(VALTYPE,FUNC) \ + (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 \ + ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16) \ + : (TREE_CODE (VALTYPE) == POINTER_TYPE \ + ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8) \ + : gen_rtx (REG, TYPE_MODE (VALTYPE), 0))) +#endif + +/* If TARGET_68881, SF and DF values are returned in fp0 instead of d0. */ + +#undef LIBCALL_VALUE +#define LIBCALL_VALUE(MODE) \ + gen_rtx (REG, (MODE), ((TARGET_68881 && ((MODE) == SFmode || (MODE) == DFmode)) ? 16 : 0)) + +/* 1 if N is a possible register number for a function value. + d0 may be used, and fp0 as well if -msoft-float is not specified. */ + +#undef FUNCTION_VALUE_REGNO_P +#define FUNCTION_VALUE_REGNO_P(N) \ + ((N) == 0 || (TARGET_68881 && (N) == 16)) + +/* sysV68 (brain damaged) cc convention support. */ +/* Commented out until we find a safe way to make it optional. */ +#if 0 +#define FUNCTION_VALUE_REGNO_P(N) \ + ((N) == 0 || (N) == 8 || (TARGET_68881 && (N) == 16)) +#endif + +/* This is how to output a command to make the user-level label named NAME + defined for reference from other files. */ + +#undef ASM_GLOBALIZE_LABEL +#define ASM_GLOBALIZE_LABEL(FILE,NAME) \ + do { fputs ("\tglobal ", FILE); assemble_name (FILE, NAME); fputs ("\n", FILE);} while (0) + +/* 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. */ + +#undef ASM_FORMAT_PRIVATE_NAME +#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ +( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \ + sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO))) + +/* The sysV68 as doesn't know about double's and float's. */ + +#undef ASM_OUTPUT_DOUBLE +#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ +do { union { double d; long l[2]; } tem; \ + tem.d = (VALUE); \ + fprintf(FILE, "\tlong 0x%x,0x%x\n", tem.l[0], tem.l[1]); \ + } while (0) + +#undef ASM_OUTPUT_FLOAT +#define ASM_OUTPUT_FLOAT(FILE,VALUE) \ +do { union { float f; long l;} tem; \ + tem.f = (VALUE); \ + fprintf (FILE, "\tlong 0x%x\n", tem.l); \ + } while (0) + +/* This is how to output an assembler line defining an `int' constant. */ + +#undef ASM_OUTPUT_INT +#define ASM_OUTPUT_INT(FILE,VALUE) \ +( fprintf (FILE, "\tlong "), \ + output_addr_const (FILE, (VALUE)), \ + fprintf (FILE, "\n")) + +/* Likewise for `char' and `short' constants. */ + +#undef ASM_OUTPUT_SHORT +#define ASM_OUTPUT_SHORT(FILE,VALUE) \ +( fprintf (FILE, "\tshort "), \ + output_addr_const (FILE, (VALUE)), \ + fprintf (FILE, "\n")) + +#undef ASM_OUTPUT_CHAR +#define ASM_OUTPUT_CHAR(FILE,VALUE) \ +( fprintf (FILE, "\tbyte "), \ + output_addr_const (FILE, (VALUE)), \ + fprintf (FILE, "\n")) + +/* This is how to output an assembler line for a numeric constant byte. */ + +#undef ASM_OUTPUT_BYTE +#define ASM_OUTPUT_BYTE(FILE,VALUE) \ + fprintf (FILE, "\tbyte 0x%x\n", (VALUE)) + +/* This is how to output an assembler line + that says to advance the location counter + to a multiple of 2**LOG bytes. */ + +#undef ASM_OUTPUT_ALIGN +#define ASM_OUTPUT_ALIGN(FILE,LOG) \ + if ((LOG) == 1) \ + fprintf (FILE, "\teven\n"); \ + else if ((LOG) != 0) \ + abort (); + +#undef ASM_OUTPUT_SKIP +#define ASM_OUTPUT_SKIP(FILE,SIZE) \ + fprintf (FILE, "\tspace %u\n", (SIZE)) + +/* Can't use ASM_OUTPUT_SKIP in text section. */ + +#define ASM_NO_SKIP_IN_TEXT 1 + +/* The beginnings of sdb support... */ + +#undef ASM_OUTPUT_SOURCE_FILENAME +#define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \ + fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME) + +#undef ASM_OUTPUT_SOURCE_LINE +#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. */ + +#undef ASM_OUTPUT_ASCII +#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \ + { 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%s ", ASCII_DATA_ASM_OP); } \ + else \ + putc (',', (FILE)); \ + goto loop; } \ + putc ('\n', (FILE)); } + +/* Print operand X (an rtx) in assembler syntax to file FILE. + CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified. + For `%' followed by punctuation, CODE is the punctuation and X is null. + + On the 68000, we use several CODE characters: + '.' for dot needed in Motorola-style opcode names. + '-' for an operand pushing on the stack: + sp@-, -(sp) or -(%sp) depending on the style of syntax. + '+' for an operand pushing on the stack: + sp@+, (sp)+ or (%sp)+ depending on the style of syntax. + '@' for a reference to the top word on the stack: + sp@, (sp) or (%sp) depending on the style of syntax. + '#' for an immediate operand prefix (# in MIT and Motorola syntax + but & in SGS syntax). + '!' for the cc register (used in an `and to cc' insn). + '$' for the letter `s' in an op code, but only on the 68040. + '&' for the letter `d' in an op code, but only on the 68040. + + 'b' for byte insn (no effect, on the Sun; this is for the ISI). + 'd' to force memory addressing to be absolute, not relative. + 'f' for float insn (print a CONST_DOUBLE as a float rather than in hex) + 'w' for FPA insn (print a CONST_DOUBLE as a SunFPA constant rather + than directly). Second part of 'y' below. + 'x' for float insn (print a CONST_DOUBLE as a float rather than in hex), + or print pair of registers as rx:ry. + 'y' for a FPA insn (print pair of registers as rx:ry). This also outputs + CONST_DOUBLE's as SunFPA constant RAM registers if + possible, so it should not be used except for the SunFPA. */ + +#undef PRINT_OPERAND +#define PRINT_OPERAND(FILE, X, CODE) \ +{ if (CODE == '.') fprintf (FILE, "."); \ + else if (CODE == '#') fprintf (FILE, "&"); \ + else if (CODE == '-') fprintf (FILE, "-(%%sp)"); \ + else if (CODE == '+') fprintf (FILE, "(%%sp)+"); \ + else if (CODE == '@') fprintf (FILE, "(%%sp)"); \ + else if (CODE == '!') fprintf (FILE, "%%cc"); \ + else if (CODE == '$') { 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; \ + /* Use hex representation even if CODE is f, as needs it. */ \ + if (CODE == 'f') \ + fprintf (FILE, "&0x%x", u1.i); \ + else \ + fprintf (FILE, "&0x%x", u1.i); } \ + else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \ + { union { double d; int i[2]; } u; \ + u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \ + fprintf (FILE, "&0x%x%x", u.i[0], u.i[1]); } \ + else { putc ('&', FILE); output_addr_const (FILE, X); }} + +#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; } \ +/* 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, "12(%%pc,%s.w", \ + reg_names[REGNO (XEXP (ireg, 0))]); \ + else \ + fprintf (FILE, "12(%%pc,%s.l", \ + 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, "12(%%pc,%s.l", \ + 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, "12(%%pc,%s.w)", \ + 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); \ + }} + +/* This is how to store into the string LABEL + the symbol_ref name of an internal numbered label where + PREFIX is the class of label and NUM is the number within the class. + This is suitable for output with `assemble_name'. */ + +#undef ASM_GENERATE_INTERNAL_LABEL +#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \ + sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM)) + +/* This is how to output an internal numbered label where + PREFIX is the class of label and NUM is the number within the class. */ + +#undef ASM_OUTPUT_INTERNAL_LABEL +#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ + fprintf (FILE, "%s%%%d:\n", PREFIX, NUM) + +/* This is how to output a reference to a user-level label named NAME. + `assemble_name' uses this. */ + +#undef ASM_OUTPUT_LABELREF +#define ASM_OUTPUT_LABELREF(FILE,NAME) \ + fprintf (FILE, "%s", NAME) + +/* This is how to output an element of a case-vector that is absolute. + (The 68000 does not use such vectors, + but we must define this macro anyway.) */ + +#undef ASM_OUTPUT_ADDR_VEC_ELT +#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ + fprintf (FILE, "\tlong L%%%d\n", (VALUE)) + +/* This is how to output an element of a case-vector that is relative. */ + +#undef ASM_OUTPUT_ADDR_DIFF_ELT +#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ + fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL)) + +#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ + fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \ + XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)) + +/* Translate some opcodes to fit the sysV68 assembler syntax. */ +/* The opcodes fdmov and fsmov are guesses. */ + +#define SWITCH_JUMP_MATCH "jmp 6(%%pc," + +#undef ASM_OUTPUT_OPCODE +#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] == 'f') \ + { \ + if (!strncmp ((PTR), "fmove", 5)) \ + { fprintf ((FILE), "fmov"); (PTR) += 5; } \ + else if (!strncmp ((PTR), "f%$move", 7)) \ + { if (TARGET_68040_ONLY) \ + { fprintf ((FILE), "fsmov"); (PTR) += 7; } \ + else \ + { fprintf ((FILE), "fmov"); (PTR) += 7; } } \ + else if (!strncmp ((PTR), "f%&move", 7)) \ + { if (TARGET_68040_ONLY) \ + { fprintf ((FILE), "fdmov"); (PTR) += 7; } \ + else \ + { fprintf ((FILE), "fmov"); (PTR) += 7; } } \ + else if (!strncmp ((PTR), "ftst", 4)) \ + { fprintf ((FILE), "ftest"); (PTR) += 4; } \ + else if (!strncmp ((PTR), "fbne", 4)) \ + { fprintf ((FILE), "fbneq"); (PTR) += 4; } \ + else if (!strncmp ((PTR), "fsne", 4)) \ + { fprintf ((FILE), "fsneq"); (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)++; } \ +/* JMP to switch label */ \ + else if (!strncmp((PTR), (SWITCH_JUMP_MATCH), sizeof(SWITCH_JUMP_MATCH) - 1)) \ + { while (*(PTR)++ != '('); \ + fprintf ((FILE), "jmp 8("); } \ +} + +/* This says how to output an assembler line + to define a global common symbol. */ + +#undef ASM_OUTPUT_COMMON +#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ +( fputs ("\tcomm ", (FILE)), \ + assemble_name ((FILE), (NAME)), \ + fprintf ((FILE), ",%u\n", (ROUNDED))) + +/* This says how to output an assembler line + to define a local common symbol. */ + +#undef ASM_OUTPUT_LOCAL +#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ +( fputs ("\tlcomm ", (FILE)), \ + assemble_name ((FILE), (NAME)), \ + fprintf ((FILE), ",%u\n", (ROUNDED))) + + +/* 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_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a) +#define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a) + +#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"