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Initial revision
From-SVN: r134
This commit is contained in:
Richard Stallman
parent
f451fe61fc
commit
941d35a7f5
480
gcc/config/m68k/3b1.h
Normal file
480
gcc/config/m68k/3b1.h
Normal file
@ -0,0 +1,480 @@
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/* Definitions of target machine for GNU compiler.
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AT&T UNIX PC version (pc7300, 3b1)
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Written by Alex Crain
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bug reports to alex@umbc3.umd.edu
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Copyright (C) 1987 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define SGS_SWAP_W /* Use swap.w rather than just plain swap */
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#define SGS_SWITCH_TABLES /* Different switch table handling */
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#include "hp320.h"
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/* See m68k.h. 0 means 680[01]0 with no 68881. */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT 0
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/* -m68020 requires special flags to the assembler. */
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#undef ASM_SPEC
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#define ASM_SPEC "%{m68020:-68020}%{!m68020:-68010} %{m68881:-68881}"
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/* we use /lib/libp/lib* when profiling */
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#undef LIB_SPEC
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#define LIB_SPEC "%{!shlib:%{p:-L/lib/libp} %{pg:-L/lib/libp} -lc}"
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/* shared libraries need to use crt0s.o */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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"%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\
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%{shlib:crt0s.o%s shlib.ifile%s} "
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/* cpp has to support a #sccs directive for the /usr/include files */
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#define SCCS_DIRECTIVE
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/* Make output for SDB. */
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#define SDB_DEBUGGING_INFO
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/* The .file command should always begin the output. */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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output_file_directive ((FILE), main_input_filename)
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/* Don't try to define `gcc_compiled.' since the assembler might not
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accept symbols with periods and GDB doesn't run on this machine anyway. */
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#define ASM_IDENTIFY_GCC(FILE)
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/* Define __HAVE_68881__ in preprocessor if -m68881 is specified.
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This will control the use of inline 68881 insns in certain macros. */
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#undef CPP_SPEC
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#define CPP_SPEC "%{m68881:-D__HAVE_68881__}"
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/* Names to predefine in the preprocessor for this target machine. */
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/* ihnp4!lmayk!lgm@eddie.mit.edu says mc68000 and m68k should not be here. */
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-Dmc68k -Dunix -Dunixpc"
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#undef REGISTER_NAMES
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#define REGISTER_NAMES \
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{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \
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"%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp", \
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"%f0", "%f1", "%f2", "%f3", "%f4", "%f5", "%f6", "%f7"}
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/* Specify how to pad function arguments.
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Value should be `upward', `downward' or `none'.
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Same as the default, except no padding for large or variable-size args. */
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#define FUNCTION_ARG_PADDING(MODE, TYPE) \
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(((MODE) == BLKmode \
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? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
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&& int_size_in_bytes (TYPE) < PARM_BOUNDARY / BITS_PER_UNIT) \
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: GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \
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? downward : none)
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/* Override part of the obstack macros. */
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#define __PTR_TO_INT(P) ((int)(P))
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#define __INT_TO_PTR(P) ((char *)(P))
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/* Override parts of m68k.h to fit the SGS-3b1 assembler. */
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#undef TARGET_VERSION
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#undef ASM_FORMAT_PRIVATE_NAME
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#undef ASM_OUTPUT_DOUBLE
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#undef ASM_OUTPUT_FLOAT
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#undef ASM_OUTPUT_ALIGN
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#undef ASM_OUTPUT_SOURCE_FILENAME
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#undef ASM_OUTPUT_SOURCE_LINE
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#undef PRINT_OPERAND_ADDRESS
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#undef ASM_GENERATE_INTERNAL_LABEL
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#undef FUNCTION_PROFILER
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#undef ASM_OUTPUT_ADDR_VEC_ELT
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#undef ASM_OUTPUT_ADDR_DIFF_ELT
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#undef ASM_OUTPUT_INTERNAL_LABEL
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#undef ASM_OUTPUT_OPCODE
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#undef ASM_OUTPUT_LOCAL
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#undef ASM_OUTPUT_LABELREF
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#undef ASM_OUTPUT_ASCII
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#define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T unixpc syntax)");
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/* Store in OUTPUT a string (made with alloca) containing
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an assembler-name for a local static variable named NAME.
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LABELNO is an integer which is different for each call. */
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#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
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( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \
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sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO)))
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/* The unixpc doesn't know about double's and float's */
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#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
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do { union { double d; long l[2]; } tem; \
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tem.d = (VALUE); \
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fprintf(FILE, "\tlong 0x%x,0x%x\n", tem.l[0], tem.l[1]); \
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} while (0)
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#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
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do { union { float f; long l;} tem; \
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tem.f = (VALUE); \
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fprintf (FILE, "\tlong 0x%x\n", tem.l); \
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} while (0)
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#define ASM_OUTPUT_ALIGN(FILE,LOG) \
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if ((LOG) == 1) \
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fprintf (FILE, "\teven\n"); \
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else if ((LOG) != 0) \
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abort ();
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/* This is how to output an assembler line
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that says to advance the location counter by SIZE bytes. */
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#undef ASM_OUTPUT_SKIP
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#define ASM_OUTPUT_SKIP(FILE,SIZE) \
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fprintf (FILE, "\tspace %d\n", (SIZE))
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/* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s. */
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#define ASM_NO_SKIP_IN_TEXT 1
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/* The beginnings of sdb support... */
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#define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
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fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME)
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#define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \
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fprintf (FILE, "\tln\t%d\n", \
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(sdb_begin_function_line \
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? last_linenum - sdb_begin_function_line : 1))
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/* Yet another null terminated string format. */
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#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
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{ register int sp = 0, lp = 0; \
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fprintf ((FILE), "\tbyte\t"); \
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loop: \
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if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \
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{ lp += 3; \
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fprintf ((FILE), "'%c", (PTR)[sp]); } \
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else \
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{ lp += 5; \
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fprintf ((FILE), "0x%x", (PTR)[sp]); } \
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if (++sp < (LEN)) \
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{ if (lp > 60) \
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{ lp = 0; \
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fprintf ((FILE), "\n%s ", ASCII_DATA_ASM_OP); } \
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else \
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putc (',', (FILE)); \
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goto loop; } \
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putc ('\n', (FILE)); }
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/* Note that in the case of the movhi which fetches an element of
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an ADDR_DIFF_VEC the offset output is too large by 2.
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This is because the 3b1 assembler refuses to subtract 2.
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ASM_OUTPUT_CASE_LABEL, below, compensates for this. */
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#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
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{ register rtx reg1, reg2, breg, ireg; \
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register rtx addr = ADDR; \
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rtx offset; \
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switch (GET_CODE (addr)) \
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{ \
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case REG: \
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fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
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break; \
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case PRE_DEC: \
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fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
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break; \
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case POST_INC: \
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fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
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break; \
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case PLUS: \
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reg1 = 0; reg2 = 0; \
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ireg = 0; breg = 0; \
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offset = 0; \
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if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
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{ \
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offset = XEXP (addr, 0); \
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addr = XEXP (addr, 1); \
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} \
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else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
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{ \
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offset = XEXP (addr, 1); \
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addr = XEXP (addr, 0); \
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} \
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if (GET_CODE (addr) != PLUS) ; \
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else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
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{ \
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reg1 = XEXP (addr, 0); \
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addr = XEXP (addr, 1); \
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} \
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else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
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{ \
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reg1 = XEXP (addr, 1); \
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addr = XEXP (addr, 0); \
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} \
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else if (GET_CODE (XEXP (addr, 0)) == MULT) \
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{ \
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reg1 = XEXP (addr, 0); \
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addr = XEXP (addr, 1); \
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} \
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else if (GET_CODE (XEXP (addr, 1)) == MULT) \
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{ \
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reg1 = XEXP (addr, 1); \
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addr = XEXP (addr, 0); \
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} \
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else if (GET_CODE (XEXP (addr, 0)) == REG) \
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{ \
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reg1 = XEXP (addr, 0); \
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addr = XEXP (addr, 1); \
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} \
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else if (GET_CODE (XEXP (addr, 1)) == REG) \
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{ \
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reg1 = XEXP (addr, 1); \
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addr = XEXP (addr, 0); \
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} \
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if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
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|| GET_CODE (addr) == SIGN_EXTEND) \
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{ if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
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/* for OLD_INDEXING \
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else if (GET_CODE (addr) == PLUS) \
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{ \
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if (GET_CODE (XEXP (addr, 0)) == REG) \
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{ \
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reg2 = XEXP (addr, 0); \
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addr = XEXP (addr, 1); \
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} \
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else if (GET_CODE (XEXP (addr, 1)) == REG) \
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{ \
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reg2 = XEXP (addr, 1); \
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addr = XEXP (addr, 0); \
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} \
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} \
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*/ \
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if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
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if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
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|| GET_CODE (reg1) == MULT)) \
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|| (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
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{ breg = reg2; ireg = reg1; } \
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else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
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{ breg = reg1; ireg = reg2; } \
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if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
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{ int scale = 1; \
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if (GET_CODE (ireg) == MULT) \
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{ scale = INTVAL (XEXP (ireg, 1)); \
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ireg = XEXP (ireg, 0); } \
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if (GET_CODE (ireg) == SIGN_EXTEND) \
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fprintf (FILE, "LD%%%d(%%pc,%s.w", \
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CODE_LABEL_NUMBER (XEXP (addr, 0)), \
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reg_names[REGNO (XEXP (ireg, 0))]); \
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else \
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fprintf (FILE, "LD%%%d(%%pc,%s.l", \
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CODE_LABEL_NUMBER (XEXP (addr, 0)), \
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reg_names[REGNO (ireg)]); \
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if (scale != 1) fprintf (FILE, "*%d", scale); \
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fprintf (FILE, ")"); \
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break; } \
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if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \
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{ fprintf (FILE, "LD%%%d(%%pc,%s.l", \
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CODE_LABEL_NUMBER (XEXP (addr, 0)), \
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reg_names[REGNO (breg)]); \
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putc (')', FILE); \
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break; } \
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if (ireg != 0 || breg != 0) \
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||||
{ int scale = 1; \
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if (breg == 0) \
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abort (); \
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if (addr != 0) \
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output_addr_const (FILE, addr); \
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fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \
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if (ireg != 0) \
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putc (',', FILE); \
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if (ireg != 0 && GET_CODE (ireg) == MULT) \
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{ scale = INTVAL (XEXP (ireg, 1)); \
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ireg = XEXP (ireg, 0); } \
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if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
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fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
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else if (ireg != 0) \
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fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
|
||||
if (scale != 1) fprintf (FILE, "*%d", scale); \
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putc (')', FILE); \
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break; \
|
||||
} \
|
||||
else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
|
||||
{ fprintf (FILE, "LD%%%d(%%pc,%s.w)", \
|
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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) \
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sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM))
|
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|
||||
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
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||||
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 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), "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 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_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"
|
||||
613
gcc/config/m68k/tower-as.h
Normal file
613
gcc/config/m68k/tower-as.h
Normal file
@ -0,0 +1,613 @@
|
||||
/* Definitions of target machine for GNU compiler.
|
||||
Copyright (C) 1990 Free Software Foundation, Inc.
|
||||
|
||||
Written by Robert Andersson, International Systems, Oslo, Norway.
|
||||
Send bug reports, questions and improvements to ra@intsys.no.
|
||||
|
||||
For NCR Tower 32/4x0 and 32/6x0 running System V Release 3.
|
||||
This file outputs assembler source suitable for the native Tower as
|
||||
and with sdb debugging symbols. See tower.h for more comments.
|
||||
|
||||
This file was based on m68k.h, hp320.h and 3b1.h
|
||||
as of the 1.37.1 version.
|
||||
|
||||
|
||||
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. */
|
||||
|
||||
|
||||
#include "tower.h"
|
||||
|
||||
|
||||
/* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
|
||||
This will control the use of inline 68881 insns in certain macros.
|
||||
Also, define special define used to identify the Tower assembler. */
|
||||
|
||||
#define CPP_SPEC "-D__TOWER_ASM__ %{m68881:-D__HAVE_68881__}"
|
||||
|
||||
/* The startfiles and libraries depend on the -p and -m68881 options.
|
||||
The Tower does not support the -pg option. */
|
||||
|
||||
#define STARTFILE_SPEC \
|
||||
"%{p:%{m68881:/usr/lib/fp/mcrt1.o}%{!m68881:/lib/mcrt1.o}} \
|
||||
%{!p:%{m68881:/usr/lib/fp/crt1.o}%{!m68881:/lib/crt1.o}}"
|
||||
|
||||
/* These four macros control how m68k.md is expanded. */
|
||||
|
||||
#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_NO_LI /* Suppress jump table label usage */
|
||||
|
||||
/* Turn on SDB debugging info. */
|
||||
|
||||
#define SDB_DEBUGGING_INFO
|
||||
|
||||
/* This is only useful if gdb is changed, but doesn't harm anyway. */
|
||||
|
||||
#define ASM_IDENTIFY_GCC(FILE) \
|
||||
fprintf (FILE, "gcc2_compiled%%:\n")
|
||||
|
||||
/* All the ASM_OUTPUT macros need to conform to the Tower as syntax. */
|
||||
|
||||
#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))
|
||||
|
||||
#define ASM_OUTPUT_IDENT(FILE, NAME) \
|
||||
fprintf (FILE, "\tident\t\"%s\" \n", NAME)
|
||||
|
||||
#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\tbyte\t"); } \
|
||||
else \
|
||||
putc (',', (FILE)); \
|
||||
goto loop; } \
|
||||
putc ('\n', (FILE)); }
|
||||
|
||||
/* Translate Motorola opcodes such as `jbeq'
|
||||
into SGS/Tower opcodes such as `beq.w'.
|
||||
Change `move' to `mov'.
|
||||
Change `cmpm' to `cmp'.
|
||||
Change `divsl' to `tdivs'.
|
||||
Change `divul' to `tdivu'.
|
||||
Change `ftst' to `ftest'.
|
||||
Change `fmove' to `fmov'. */
|
||||
|
||||
#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] == 'm' && (PTR)[1] == 'o' \
|
||||
&& (PTR)[2] == 'v' && (PTR)[3] == 'e') \
|
||||
{ fprintf ((FILE), "mov"); (PTR) += 4; } \
|
||||
else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \
|
||||
&& (PTR)[2] == 'p' && (PTR)[3] == 'm') \
|
||||
{ fprintf ((FILE), "cmp"); (PTR) += 4; } \
|
||||
else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \
|
||||
&& (PTR)[2] == 'v' && (PTR)[3] == 's' \
|
||||
&& (PTR)[4] == 'l') \
|
||||
{ fprintf ((FILE), "tdivs"); (PTR) += 5; } \
|
||||
else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \
|
||||
&& (PTR)[2] == 'v' && (PTR)[3] == 'u' \
|
||||
&& (PTR)[4] == 'l') \
|
||||
{ fprintf ((FILE), "tdivu"); (PTR) += 5; } \
|
||||
else if ((PTR)[0] == 'f' && (PTR)[1] == 't' \
|
||||
&& (PTR)[2] == 's' && (PTR)[3] == 't') \
|
||||
{ fprintf ((FILE), "ftest"); (PTR) += 4; } \
|
||||
else if ((PTR)[0] == 'f' && (PTR)[1] == 'm' \
|
||||
&& (PTR)[2] == 'o' && (PTR)[3] == 'v' \
|
||||
&& (PTR)[4] == 'e') \
|
||||
{ fprintf ((FILE), "fmov"); (PTR) += 5; } \
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* Override parts of m68k.h to fit the Tower assembler.
|
||||
This section needs to track changes done to m68k.h in the future. */
|
||||
|
||||
#undef TARGET_VERSION
|
||||
#define TARGET_VERSION fprintf (stderr, " (68k, Motorola/SGS/Tower32 syntax)");
|
||||
|
||||
#undef BLOCK_PROFILER
|
||||
#undef FUNCTION_BLOCK_PROFILER
|
||||
#undef FUNCTION_PROFILER
|
||||
#define FUNCTION_PROFILER(FILE, LABEL_NO) \
|
||||
fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO))
|
||||
|
||||
/* The prologue is identical to the one in m68k.h except that the
|
||||
assembler syntax is different. */
|
||||
|
||||
#undef FUNCTION_PROLOGUE
|
||||
#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 (TARGET_68020 || fsize < 0x8000) \
|
||||
fprintf (FILE, "\tlink %%a6,&%d\n", -fsize); \
|
||||
else \
|
||||
fprintf (FILE, "\tlink %%a6,&0\n\tsub.l &%d,%%sp\n", fsize); } \
|
||||
for (regno = 24; regno < 56; regno++) \
|
||||
if (regs_ever_live[regno] && ! call_used_regs[regno]) \
|
||||
fprintf(FILE, "\tfpmoved %s,-(%%sp)\n", \
|
||||
reg_names[regno]); \
|
||||
for (regno = 16; regno < 24; regno++) \
|
||||
if (regs_ever_live[regno] && ! call_used_regs[regno]) \
|
||||
mask |= 1 << (regno - 16); \
|
||||
if ((mask & 0xff) != 0) \
|
||||
fprintf (FILE, "\tfmovm &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); }
|
||||
|
||||
/* The epilogue is identical to the one in m68k.h except that:
|
||||
a) The assembler syntax is different.
|
||||
b) Pointers are returned both in %d0 and %a0.
|
||||
c) FUNCTION_EXTRA_EPILOGUE is not needed. */
|
||||
|
||||
#undef FUNCTION_EPILOGUE
|
||||
#define FUNCTION_EPILOGUE(FILE, SIZE) \
|
||||
{ register int regno; \
|
||||
register int mask, fmask; \
|
||||
register int nregs; \
|
||||
int offset, foffset, fpoffset; \
|
||||
extern char call_used_regs[]; \
|
||||
int fsize = ((SIZE) + 3) & -4; \
|
||||
int big = 0; \
|
||||
nregs = 0; fmask = 0; fpoffset = 0; \
|
||||
for (regno = 24 ; regno < 56 ; regno++) \
|
||||
if (regs_ever_live[regno] && ! call_used_regs[regno]) \
|
||||
nregs++; \
|
||||
fpoffset = nregs*8; \
|
||||
nregs = 0; \
|
||||
for (regno = 16; regno < 24; regno++) \
|
||||
if (regs_ever_live[regno] && ! call_used_regs[regno]) \
|
||||
{ nregs++; fmask |= 1 << (23 - regno); } \
|
||||
foffset = fpoffset + 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 || fpoffset)) \
|
||||
{ fprintf (FILE, "\tmov.l &%d,%%a0\n", -fsize); \
|
||||
fsize = 0, big = 1; } \
|
||||
if (exact_log2 (mask) >= 0) { \
|
||||
if (big) \
|
||||
fprintf (FILE, "\tmov.l -%d(%%a6,%%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(%%a6),%s\n", \
|
||||
offset + fsize, reg_names[exact_log2 (mask)]); } \
|
||||
else if (mask) { \
|
||||
if (big) \
|
||||
fprintf (FILE, "\tmovm.l -%d(%%a6,%%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(%%a6),&0x%x\n", \
|
||||
offset + fsize, mask); } \
|
||||
if (fmask) { \
|
||||
if (big) \
|
||||
fprintf (FILE, "\tfmovm -%d(%%a6,%%a0.l),&0x%x\n", \
|
||||
foffset + fsize, fmask); \
|
||||
else if (! frame_pointer_needed) \
|
||||
fprintf (FILE, "\tfmovm (%%sp)+,&0x%x\n", fmask); \
|
||||
else \
|
||||
fprintf (FILE, "\tfmovm -%d(%%a6),&0x%x\n", \
|
||||
foffset + fsize, fmask); } \
|
||||
if (fpoffset != 0) \
|
||||
for (regno = 55; regno >= 24; regno--) \
|
||||
if (regs_ever_live[regno] && ! call_used_regs[regno]) { \
|
||||
if (big) \
|
||||
fprintf(FILE, "\tfpmoved -%d(%%a6,%%a0.l),%s\n", \
|
||||
fpoffset + fsize, reg_names[regno]); \
|
||||
else if (! frame_pointer_needed) \
|
||||
fprintf(FILE, "\tfpmoved (%%sp)+,%s\n", \
|
||||
reg_names[regno]); \
|
||||
else \
|
||||
fprintf(FILE, "\tfpmoved -%d(%%a6),%s\n", \
|
||||
fpoffset + fsize, reg_names[regno]); \
|
||||
fpoffset -= 8; \
|
||||
} \
|
||||
if (current_function_returns_pointer) \
|
||||
fprintf (FILE, "\tmov.l %%d0,%%a0\n"); \
|
||||
if (frame_pointer_needed) \
|
||||
fprintf (FILE, "\tunlk %%a6\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_FILE_START
|
||||
#define ASM_FILE_START(FILE) \
|
||||
( fprintf (FILE, "#NO_APP\n"), \
|
||||
output_file_directive ((FILE), main_input_filename))
|
||||
|
||||
#undef TEXT_SECTION_ASM_OP
|
||||
#define TEXT_SECTION_ASM_OP "\ttext"
|
||||
|
||||
#undef DATA_SECTION_ASM_OP
|
||||
#define DATA_SECTION_ASM_OP "\tdata"
|
||||
|
||||
/* This says how to output an assembler line to define a global common symbol.
|
||||
We use SIZE rather than ROUNDED, as this is what the native cc does. */
|
||||
|
||||
#undef ASM_OUTPUT_COMMON
|
||||
#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
|
||||
( fputs ("\tcomm ", (FILE)), \
|
||||
assemble_name ((FILE), (NAME)), \
|
||||
fprintf ((FILE), ",%d\n", ((SIZE) == 0) ? (ROUNDED) : (SIZE)))
|
||||
|
||||
/* This says how to output an assembler line to define a local common symbol.
|
||||
We use SIZE rather than ROUNDED, as this is what the native cc does. */
|
||||
|
||||
#undef ASM_OUTPUT_LOCAL
|
||||
#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
|
||||
( fputs ("\tlcomm ", (FILE)), \
|
||||
assemble_name ((FILE), (NAME)), \
|
||||
fprintf ((FILE), ",%d\n", ((SIZE) == 0) ? (ROUNDED) : (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. */
|
||||
|
||||
#undef ASM_FORMAT_PRIVATE_NAME
|
||||
#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
|
||||
( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 11), \
|
||||
sprintf ((OUTPUT), "%s%%%%%d", (NAME), (LABELNO)))
|
||||
|
||||
/* 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)
|
||||
|
||||
#undef ASM_GENERATE_INTERNAL_LABEL
|
||||
#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
|
||||
sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM))
|
||||
|
||||
#undef ASM_OUTPUT_INTERNAL_LABEL
|
||||
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
|
||||
fprintf ((FILE), "%s%%%d:\n", (PREFIX), (NUM))
|
||||
|
||||
#undef ASM_OUTPUT_CASE_LABEL
|
||||
#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
|
||||
fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \
|
||||
XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)); \
|
||||
|
||||
#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))
|
||||
|
||||
#undef ASM_OUTPUT_ADDR_VEC_ELT
|
||||
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
|
||||
fprintf (FILE, "\tlong L%%%d\n", (VALUE))
|
||||
|
||||
#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))
|
||||
|
||||
#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 %d\n", (SIZE))
|
||||
|
||||
#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 (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; \
|
||||
fprintf (FILE, "&0x%x", u1.i); } \
|
||||
else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \
|
||||
fprintf (FILE, "&0x%x%08x", CONST_DOUBLE_LOW (X), CONST_DOUBLE_HIGH (X));\
|
||||
else { putc ('&', FILE); output_addr_const (FILE, X); }}
|
||||
|
||||
/* Note that this contains a kludge that knows that the only reason
|
||||
we have an address (plus (label_ref...) (reg...))
|
||||
is in the insn before a tablejump, and we know that the table is
|
||||
exactly 10 bytes away. */
|
||||
|
||||
#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, "10(%%pc,%s.w", \
|
||||
reg_names[REGNO (XEXP (ireg, 0))]); \
|
||||
else \
|
||||
fprintf (FILE, "10(%%pc,%s.l", \
|
||||
reg_names[REGNO (ireg)]); \
|
||||
if (scale != 1) fprintf (FILE, "*%d", scale); \
|
||||
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, "10(%%pc,%s.w)", \
|
||||
reg_names[REGNO (reg1)]); \
|
||||
break; } \
|
||||
default: \
|
||||
output_addr_const (FILE, addr); \
|
||||
}}
|
||||
|
||||
|
||||
|
||||
/* 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));
|
||||
Loading…
Reference in New Issue
Block a user