diff options
Diffstat (limited to 'gcc-1.40/config/tm-delta68k.h')
| -rw-r--r-- | gcc-1.40/config/tm-delta68k.h | 486 |
1 files changed, 486 insertions, 0 deletions
diff --git a/gcc-1.40/config/tm-delta68k.h b/gcc-1.40/config/tm-delta68k.h new file mode 100644 index 0000000..71c45de --- /dev/null +++ b/gcc-1.40/config/tm-delta68k.h @@ -0,0 +1,486 @@ +/* Definitions of target machine for GNU compiler. + Motorola Delta version of 680x0 for x>1 + copied and modified from 3b1 version by + Daniel R. Bidwell (bidwell@andrews.edu). + + AT&T UNIX PC version (pc7300, 3b1) + + Written by Alex Crain + bug reports to alex@umbc3.umd.edu + + 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 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 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 SGS_3B1 + +#include "tm-hp9k320.h" + +/* See tm-m68k.h. 0 means 680[01]0 with no 68881. */ + +#undef TARGET_DEFAULT +#define TARGET_DEFAULT 7 + +/* -m68020 requires special flags to the assembler. */ + +#undef ASM_SPEC +#define ASM_SPEC "%{m68020:-68020}" + +/* 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) sdbout_filename ((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 "-Dm68k -Dmc68k -Dunix -Dunixpc" + +/* 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, size) \ + (((mode) == BLKmode \ + ? (GET_CODE (size) == CONST_INT \ + && INTVAL (size) < 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)) + +/* Override parts of tm-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_FLOAT_OPERAND +#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 ASM_OUTPUT_LABELREF +#undef ASM_OUTPUT_ASCII +#undef LEGITIMATE_CONSTANT_P +#undef ASM_RETURN_CASE_JUMP + +#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 { 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) + +#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) +/* Output a float value (represented as a C double) as an immediate operand. + This macro is a 68k-specific macro. */ +#define ASM_OUTPUT_FLOAT_OPERAND(FILE,VALUE) \ + fprintf (FILE, "#0x%.8x", (VALUE)) + +#define ASM_OUTPUT_ALIGN(FILE,LOG) \ + if ((LOG) == 1) \ + fprintf (FILE, "\teven\n"); \ + else if ((LOG) != 0) \ + abort (); + +/* The `space' pseudo in the text segment outputs nop insns rather than 0s, + so we must output 0s explicitly in the text segment. */ +#undef ASM_OUTPUT_SKIP +#define ASM_OUTPUT_SKIP(FILE,SIZE) \ + if (in_text_section ()) \ + { \ + int i; \ + for (i = 0; i < (SIZE) - 20; i += 20) \ + fprintf (FILE, "\tbyte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0\n"); \ + if (i < (SIZE)) \ + { \ + fprintf (FILE, "\tbyte 0"); \ + i++; \ + for (; i < (SIZE); i++) \ + fprintf (FILE, ",0"); \ + fprintf (FILE, "\n"); \ + } \ + } \ + else \ + fprintf (FILE, "\tspace %d\n", (SIZE)) + +/* The beginnings of sdb support... */ + +#define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \ + fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME) + +#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) \ + { 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); } + +/* 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, "(L%%%d,%s.w", \ + CODE_LABEL_NUMBER (XEXP (addr, 0)), \ + reg_names[REGNO (XEXP (ireg, 0))]); \ + else \ + fprintf (FILE, "(L%%%d,%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, "(L%%%d,%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, "L%%%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) \ + fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \ + XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)); + +/* At end of a switch table, define LD%n iff the symbol LI%n was defined. */ +#define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \ + if (RTX_INTEGRATED_P (TABLE)) \ + fprintf (FILE, "\tset LD%%%d,L%%%d-LI%%%d\n", (NUM), (NUM), (NUM)) + +#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), "ftst", 4)) \ + { fprintf ((FILE), "ftest"); (PTR) += 4; } \ + else if (!strncmp ((PTR), "fbne", 4)) \ + { fprintf ((FILE), "fbgl"); (PTR) += 4; } \ + else if (!strncmp ((PTR), "fbeq", 4)) \ + { fprintf ((FILE), "fbngl"); (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), ",%d\n", (ROUNDED))) + +#define ASM_OUTPUT_LABELREF(FILE,NAME) \ + fprintf (FILE, "%s", NAME) + +/* 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_DIM(a) fprintf(asm_out_file, "\tdim\t%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 LEGITIMATE_CONSTANT_P(X) (GET_CODE(X)==CONST_DOUBLE?0:1) + +#define ASM_RETURN_CASE_JUMP return "jmp (%0.w,%a1)" + |