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Diffstat (limited to 'gcc/config/m68k/sgs.h')
| -rw-r--r-- | gcc/config/m68k/sgs.h | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/gcc/config/m68k/sgs.h b/gcc/config/m68k/sgs.h deleted file mode 100644 index 447ca6ec5cc..00000000000 --- a/gcc/config/m68k/sgs.h +++ /dev/null @@ -1,446 +0,0 @@ -/* Definitions of target machine for GNU compiler for m68k targets using - assemblers derived from AT&T "SGS" releases. - Copyright (C) 1991, 1993, 1996 Free Software Foundation, Inc. - Written by Fred Fish (fnf@cygnus.com) - -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, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* Control assembler-syntax conditionals in m68k.md and conditionals in - m68k.h. Note that some systems may also require SGS_SWAP_W and/or - SGS_SWITCH_TABLES to be defined as well. */ - -#define MOTOROLA /* Use Motorola syntax rather than "MIT" */ -#define SGS /* Uses SGS assembler */ -#define SGS_CMP_ORDER /* Takes cmp operands in reverse order */ - -#include "m68k/m68k.h" - -/* SGS specific assembler pseudo ops. */ - -#define BYTE_ASM_OP ".byte" -#define WORD_ASM_OP ".short" -#define LONG_ASM_OP ".long" -#define SPACE_ASM_OP ".space" -#define ALIGN_ASM_OP ".align" -#undef GLOBAL_ASM_OP -#define GLOBAL_ASM_OP ".global" -#define SWBEG_ASM_OP ".swbeg" -#define SET_ASM_OP ".set" - -#define UNALIGNED_SHORT_ASM_OP ".short" /* Used in dwarfout.c */ -#define UNALIGNED_INT_ASM_OP ".long" /* Used in dwarfout.c */ - -#define ASM_PN_FORMAT "%s_%d" /* Format for private names */ - -/* Here are four prefixes that are used by asm_fprintf to - facilitate customization for alternate assembler syntaxes. - Machines with no likelihood of an alternate syntax need not - define these and need not use asm_fprintf. */ - -/* The prefix for register names. Note that REGISTER_NAMES - is supposed to include this prefix. Also note that this is NOT an - fprintf format string, it is a literal string */ - -#undef REGISTER_PREFIX -#define REGISTER_PREFIX "%" - -/* The prefix for local (compiler generated) labels. - These labels will not appear in the symbol table. */ - -#undef LOCAL_LABEL_PREFIX -#define LOCAL_LABEL_PREFIX "." - -/* The prefix to add to user-visible assembler symbols. */ - -#undef USER_LABEL_PREFIX -#define USER_LABEL_PREFIX "" - -/* The prefix for immediate operands. */ - -#undef IMMEDIATE_PREFIX -#define IMMEDIATE_PREFIX "&" - -/* How to refer to registers in assembler output. - This sequence is indexed by compiler's hard-register-number. - Motorola format uses different register names than defined in m68k.h. - We also take this chance to convert 'a6' to 'fp' */ - -#undef REGISTER_NAMES - -#ifndef SUPPORT_SUN_FPA - -#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" } - -#else /* SUPPORTED_SUN_FPA */ - -#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", \ - "%fpa0", "%fpa1", "%fpa2", "%fpa3", "%fpa4", "%fpa5", "%fpa6","%fpa7", \ - "%fpa8", "%fpa9", "%fpa10","%fpa11","%fpa12","%fpa13","%fpa14","%fpa15", \ - "%fpa16","%fpa17","%fpa18","%fpa19","%fpa20","%fpa21","%fpa22","%fpa23", \ - "%fpa24","%fpa25","%fpa26","%fpa27","%fpa28","%fpa29","%fpa30","%fpa31" } - -#endif /* defined SUPPORT_SUN_FPA */ - -/* When using an SGS assembler, modify the name of the artificial label which - identifies this file as having been compiled with gcc, and the macro that - emits such a label in the assembly output, to use '%' rather than '.' */ - -#define ASM_IDENTIFY_GCC(FILE) \ - { fprintf ((FILE), "%s:\n", "gcc2_compiled%"); } - -/* This is how to output an assembler line defining an `int' constant. */ -/* The SGS assembler doesn't understand ".word". */ - -#undef ASM_OUTPUT_SHORT -#define ASM_OUTPUT_SHORT(FILE,VALUE) \ -( fprintf ((FILE), "\t%s ", WORD_ASM_OP), \ - output_addr_const ((FILE), (VALUE)), \ - fprintf ((FILE), "\n")) - -#undef ASM_OUTPUT_LONG_DOUBLE -#define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \ -do { long l[3]; \ - REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \ - fprintf ((FILE), "\t%s 0x%x,0x%x,0x%x\n", LONG_ASM_OP, \ - l[0], l[1], l[2]); \ - } while (0) - -/* This is how to output an assembler line defining a `double' constant. */ - -#undef ASM_OUTPUT_DOUBLE -#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ -do { long l[2]; \ - REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \ - fprintf ((FILE), "\t%s 0x%x,0x%x\n", LONG_ASM_OP, \ - l[0], l[1]); \ - } while (0) - -/* This is how to output an assembler line defining a `float' constant. */ - -#undef ASM_OUTPUT_FLOAT -#define ASM_OUTPUT_FLOAT(FILE,VALUE) \ -do { long l; \ - REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \ - fprintf ((FILE), "\t%s 0x%x\n", LONG_ASM_OP, l); \ - } while (0) - -/* 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) > 0) \ - fprintf ((FILE), "\t%s \t%u\n", ALIGN_ASM_OP, 1 << (LOG)); \ - else if ((LOG) > 31) \ - abort (); - -/* The routine used to output null terminated string literals. We cannot - use the ".string" pseudo op, because it silently truncates strings to - 1023 bytes. There is no "partial string op" which works like ".string" - but doesn't append a null byte, so we can't chop the input string up - into small pieces and use that. Our only remaining alternative is to - output the string one byte at a time. */ - -#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \ -do { \ - register int sp = 0, lp = 0, ch; \ - fprintf ((FILE), "\t%s ", BYTE_ASM_OP); \ - do { \ - ch = (PTR)[sp]; \ - if (ch > ' ' && ! (ch & 0x80) && ch != '\\') \ - { \ - fprintf ((FILE), "'%c", ch); \ - } \ - else \ - { \ - fprintf ((FILE), "0x%x", ch); \ - } \ - if (++sp < (LEN)) \ - { \ - if ((sp % 10) == 0) \ - { \ - fprintf ((FILE), "\n\t%s ", BYTE_ASM_OP); \ - } \ - else \ - { \ - putc (',', (FILE)); \ - } \ - } \ - } while (sp < (LEN)); \ - putc ('\n', (FILE)); \ -} while (0) - - -/* SGS based assemblers don't understand #NO_APP and #APP, so just don't - bother emitting them. */ - -#undef ASM_APP_ON -#define ASM_APP_ON "" - -#undef ASM_APP_OFF -#define ASM_APP_OFF "" - -/* When using SGS derived assemblers, change the "MIT" or "MOTOROLA" - to "SGS/AT&T" */ - -#undef TARGET_VERSION -#define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T syntax)"); - -/* Use proper assembler syntax for these macros. */ -#undef ASM_OUTPUT_REG_PUSH -#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ - asm_fprintf (FILE, "\t%Omove.l %s,-(%Rsp)\n", reg_names[REGNO]) - -#undef ASM_OUTPUT_REG_POP -#define ASM_OUTPUT_REG_POP(FILE,REGNO) \ - asm_fprintf (FILE, "\t%Omove.l (%Rsp)+,%s\n", reg_names[REGNO]) - -#undef ASM_OUTPUT_FLOAT_OPERAND -#define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \ - do { long l; \ - REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \ - asm_fprintf ((FILE), "%I0x%x", l); \ - } while (0) - -#undef ASM_OUTPUT_DOUBLE_OPERAND -#define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \ - do { long l[2]; \ - REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \ - asm_fprintf ((FILE), "%I0x%x%08x", l[0], l[1]); \ - } while (0) - -/* How to output a block of SIZE zero bytes. Note that the `space' pseudo, - when used in the text segment, causes SGS assemblers to output nop insns - rather than 0s, so we set ASM_NO_SKIP_IN_TEXT to prevent this. */ - -#define ASM_NO_SKIP_IN_TEXT 1 - -#undef ASM_OUTPUT_SKIP -#define ASM_OUTPUT_SKIP(FILE,SIZE) \ - fprintf (FILE, "\t%s %u\n", SPACE_ASM_OP, (SIZE)) - -/* Translate Motorola opcodes such as `jbeq' into SGS opcodes such - as `beq.w'. - Delete the `e' in `move...' and `fmove'. - Change `ftst' to `ftest'. - Change `fbne' to `fbneq' - Change `fsne' to `fsneq' - Change `divsl' to `tdivs' (32/32 -> 32r:32q) - Change `divul' to `tdivu' (32/32 -> 32r:32q) - Optionally change swap to swap.w. - */ - -#ifdef SGS_SWAP_W -#define ASM_OUTPUT_OPCODE(FILE, PTR) \ -{ \ - extern int flag_pic; \ - if (!strncmp ((PTR), "jbsr", 4)) \ - { if (flag_pic) \ - fprintf ((FILE), "bsr"); \ - else \ - fprintf ((FILE), "jsr"); \ - (PTR) += 4; } \ - else if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \ - { ++(PTR); \ - while (*(PTR) != ' ') \ - { putc (*(PTR), (FILE)); ++(PTR); } \ - fprintf ((FILE), ".w"); } \ - else if ((PTR)[0] == 's') \ - { \ - if (!strncmp ((PTR), "swap", 4)) \ - { fprintf ((FILE), "swap.w"); (PTR) += 4; } \ - } \ -/* FMOVE ==> FMOV, (and F%& F%$ translations) */ \ - 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), "fbneq"); (PTR) += 4; } \ - else if (!strncmp ((PTR), "fsne", 4)) \ - { fprintf ((FILE), "fsneq"); (PTR) += 4; } \ - else if (!strncmp ((PTR), "f%$move", 7)) \ - { (PTR) += 7; \ - if (TARGET_68040_ONLY) \ - fprintf ((FILE), "fsmov"); \ - else fprintf ((FILE), "fmov"); } \ - else if (!strncmp ((PTR), "f%&move", 7)) \ - { (PTR) += 7; \ - if (TARGET_68040_ONLY) \ - fprintf ((FILE), "fdmov"); \ - else fprintf ((FILE), "fmov"); } \ - } \ -/* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV */ \ - else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \ - && (PTR)[2] == 'v' && (PTR)[3] == 'e') \ - { fprintf ((FILE), "mov"); (PTR) += 4; \ - if ((PTR)[0] == 'q' || (PTR)[0] == 'a' \ - || (PTR)[0] == 'c') (PTR)++; } \ -/* SUB, SUBQ, SUBA, SUBI ==> SUB */ \ - else if ((PTR)[0] == 's' && (PTR)[1] == 'u' \ - && (PTR)[2] == 'b') \ - { fprintf ((FILE), "sub"); (PTR) += 3; \ - if ((PTR)[0] == 'q' || (PTR)[0] == 'i' \ - || (PTR)[0] == 'a') (PTR)++; } \ -/* CMP, CMPA, CMPI, CMPM ==> CMP */ \ - else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \ - && (PTR)[2] == 'p') \ - { fprintf ((FILE), "cmp"); (PTR) += 3; \ - if ((PTR)[0] == 'a' || (PTR)[0] == 'i' \ - || (PTR)[0] == 'm') (PTR)++; } \ -/* DIVSL ==> TDIVS */ \ - else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \ - && (PTR)[2] == 'v' && (PTR)[3] == 's' \ - && (PTR)[4] == 'l') \ - { fprintf ((FILE), "tdivs"); (PTR) += 5; } \ -/* DIVUL ==> TDIVU */ \ - else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \ - && (PTR)[2] == 'v' && (PTR)[3] == 'u' \ - && (PTR)[4] == 'l') \ - { fprintf ((FILE), "tdivu"); (PTR) += 5; } \ -} - -#else /* not SGS_SWAP_W */ - -#define ASM_OUTPUT_OPCODE(FILE, PTR) \ -{ \ - extern int flag_pic; \ - if (!strncmp ((PTR), "jbsr", 4)) \ - { if (flag_pic) \ - fprintf ((FILE), "bsr"); \ - else \ - fprintf ((FILE), "jsr"); \ - (PTR) += 4; } \ - else if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \ - { ++(PTR); \ - while (*(PTR) != ' ') \ - { putc (*(PTR), (FILE)); ++(PTR); } \ - fprintf ((FILE), ".w"); } \ -/* FMOVE ==> FMOV, (and F%& F%$ translations) */ \ - 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), "fbneq"); (PTR) += 4; } \ - else if (!strncmp ((PTR), "fsne", 4)) \ - { fprintf ((FILE), "fsneq"); (PTR) += 4; } \ - else if (!strncmp ((PTR), "f%$move", 7)) \ - { (PTR) += 7; \ - if (TARGET_68040_ONLY) \ - fprintf ((FILE), "fsmov"); \ - else fprintf ((FILE), "fmov"); } \ - else if (!strncmp ((PTR), "f%&move", 7)) \ - { (PTR) += 7; \ - if (TARGET_68040_ONLY) \ - fprintf ((FILE), "fdmov"); \ - else fprintf ((FILE), "fmov"); } \ - } \ -/* 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)++; } \ -/* DIVSL ==> TDIVS */ \ - else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \ - && (PTR)[2] == 'v' && (PTR)[3] == 's' \ - && (PTR)[4] == 'l') \ - { fprintf ((FILE), "tdivs"); (PTR) += 5; } \ -/* DIVUL ==> TDIVU */ \ - else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \ - && (PTR)[2] == 'v' && (PTR)[3] == 'u' \ - && (PTR)[4] == 'l') \ - { fprintf ((FILE), "tdivu"); (PTR) += 5; } \ -} - -#endif /* not SGS_SWAP_W */ - -/* This macro outputs the label at the start of a switch table. The - ".swbeg <N>" is an assembler directive that causes the switch table - size to be inserted into the object code so that disassemblers, for - example, can identify that it is the start of a switch table. */ - -#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ - fprintf ((FILE), "\t%s &%d\n", SWBEG_ASM_OP, XVECLEN (PATTERN (TABLE), 1)); - -#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ - do { \ - ASM_OUTPUT_BEFORE_CASE_LABEL((FILE),(PREFIX),(NUM),(TABLE)); \ - ASM_OUTPUT_INTERNAL_LABEL((FILE),(PREFIX),(NUM)); \ - } while (0) - -/* At end of a switch table, define LDnnn iff the symbol LInnn was defined. - Some SGS assemblers have a bug such that "Lnnn-LInnn-2.b(pc,d0.l*2)" - fails to assemble. Luckily "LDnnn(pc,d0.l*2)" produces the results - we want. This difference can be accommodated by making the assembler - define such "LDnnn" to be either "Lnnn-LInnn-2.b", "Lnnn", or any other - string, as necessary. This is accomplished via the ASM_OUTPUT_CASE_END - macro. */ - -#undef ASM_OUTPUT_CASE_END -#define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \ -{ if (switch_table_difference_label_flag) \ - asm_fprintf (FILE, "\t%s %LLD%d,%LL%d-%LLI%d-2.b\n",\ - SET_ASM_OP, (NUM), (NUM), (NUM)); \ - switch_table_difference_label_flag = 0; } - -extern int switch_table_difference_label_flag; - -/* 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) \ - asm_fprintf (FILE, "\t%s %LL%d-%LL%d\n", WORD_ASM_OP, VALUE, REL) - -/* Currently, JUMP_TABLES_IN_TEXT_SECTION must be defined in order to - keep switch tables in the text section. */ - -#define JUMP_TABLES_IN_TEXT_SECTION 1 - -/* 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)) + 10), \ - sprintf ((OUTPUT), ASM_PN_FORMAT, (NAME), (LABELNO))) - |