| /* Definitions of target machine for GNU compiler; |
| Charles River Data Systems UNiverse/32. |
| Copyright (C) 1987, 1993, 1994, 1996, 1997 Free Software Foundation, Inc. |
| Contributed by Gary E. Miller (Gary_Edmunds_Miller@cup.portal.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 2, or (at your option) |
| any later version. |
| |
| GNU CC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU CC; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #define MOTOROLA /* Use Motorola syntax rather than "MIT" */ |
| #define SGS /* Uses SGS assembler */ |
| #define SGS_SWITCH_TABLES /* Different switch table handling */ |
| #define SGS_NO_LI /* Suppress jump table label usage */ |
| #define CRDS /* Charles River Data Systems assembler */ |
| |
| #include "m68k/m68k.h" |
| |
| /* Without STRUCTURE_SIZE_BOUNDARY, we can't ensure that structures are |
| aligned such that we can correctly extract bitfields from them. |
| Someone should check whether the usual compiler on the crds machine |
| provides the equivalent behavior of STRUCTURE_SIZE_BOUNDARY. */ |
| /* Set to 16 because all other m68k targets have it so */ |
| #define STRUCTURE_SIZE_BOUNDARY 16 |
| |
| /* See m68k.h. 0 means 680[01]0 with no 68881. */ |
| |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT 0 |
| |
| /* Don't try using XFmode. */ |
| #undef LONG_DOUBLE_TYPE_SIZE |
| #define LONG_DOUBLE_TYPE_SIZE 64 |
| |
| /* special flags to the unos assembler. */ |
| |
| #undef ASM_SPEC |
| #define ASM_SPEC "-g" |
| |
| #undef LIB_SPEC |
| #define LIB_SPEC "%{!p:%{!pg:-lunos}}%{p:-lc_p}%{pg:-lc_p}" |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC \ |
| "%{pg:gcrt0.o%s}%{!pg:%{p:mc68rt0.o%s}%{!p:c68rt0.o%s}}" |
| |
| /* CC1 spec */ |
| #if 0 |
| /* c.sac only used in _s_call_r() in libunos.a and malloc() in libmalloc.a */ |
| /* so we do not need to bother ! */ |
| #define CC1_SPEC "-fpcc-struct-return" |
| #endif |
| |
| /* -O2 for MAX optimization */ |
| #undef CC1_SPEC |
| #define CC1_SPEC "%{O2:-fstrength-reduce}" |
| |
| /* cpp has to support a #sccs directive for the /usr/include files */ |
| |
| #define SCCS_DIRECTIVE |
| |
| /* Make output for SDB. */ |
| |
| /* #define SDB_DEBUGGING_INFO UNOS casm has no debugging :-( */ |
| |
| /* UNOS need stack probe :-( */ |
| |
| #if 0 |
| #define HAVE_probe 1 |
| #define gen_probe() gen_rtx(ASM_INPUT, VOIDmode, "tstb -2048(sp)\t;probe\n") |
| #else |
| #undef NEED_PROBE |
| #define NEED_PROBE (-2048) |
| #endif |
| |
| /* use memcpy, memset instead of bcopy, etc. */ |
| |
| #define TARGET_MEM_FUNCTIONS |
| |
| /* 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. */ |
| |
| #undef CPP_PREDEFINES |
| #define CPP_PREDEFINES "-Dmc68k -DM68000 -Dmc68000 -Dunos -Dunix -D__motorola__ -Asystem(unix) -Acpu(m68k) -Amachine(m68k)" |
| |
| /* Register in which address to store a structure value |
| is passed to a function. */ |
| /* unos uses ".comm c.sac" returns &c.sac in d0 */ |
| /* make pointer to c.sac ? |
| #undef STRUCT_VALUE_REGNUM |
| #define STRUCT_VALUE gen_rtx(MEM, Pmode, gen_rtx( , , ) ) |
| */ |
| |
| #define BSS_SECTION_ASM_OP ".bss" |
| |
| /* 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 parts of m68k.h to fit the CRuDS assembler. */ |
| |
| #undef TARGET_VERSION |
| #define TARGET_VERSION fprintf (stderr, " (68k, CRDS/UNOS)"); |
| |
| /* Specify extra dir to search for include files. */ |
| #define SYSTEM_INCLUDE_DIR "/include" |
| |
| /* Control the assembler format that we output. */ |
| |
| /* Output at beginning of assembler file. */ |
| |
| #undef ASM_FILE_START |
| #define ASM_FILE_START(FILE) \ |
| fprintf (FILE, ";#NO_APP\n"); |
| |
| /* Output to assembler file text saying following lines |
| may contain character constants, extra white space, comments, etc. */ |
| |
| #undef ASM_APP_ON |
| #define ASM_APP_ON ";#APP\n" |
| |
| /* Output to assembler file text saying following lines |
| no longer contain unusual constructs. */ |
| |
| #undef ASM_APP_OFF |
| #define ASM_APP_OFF ";#NO_APP\n" |
| |
| /* The prefix for immediate operands. */ |
| |
| #undef IMMEDIATE_PREFIX |
| #define IMMEDIATE_PREFIX "$" |
| |
| /* 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.long 0x%x, 0x%x\n", l[0], l[1]); \ |
| } while (0) |
| |
| /*unos has no .skip :-( */ |
| #undef ASM_OUTPUT_SKIP |
| #define ASM_OUTPUT_SKIP(FILE,SIZE) \ |
| fprintf (FILE, "\t. = . + %u\n", (SIZE)); |
| |
| /* This says how to output an assembler line |
| to define a local common symbol. */ |
| /* should use bss_section instead of data_section but this makes casm die ? */ |
| |
| #undef ASM_OUTPUT_LOCAL |
| #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ |
| { data_section (); \ |
| if ((SIZE) > 1) fprintf (FILE, "\t.even\n"); \ |
| assemble_name ((FILE), (NAME)); \ |
| fprintf ((FILE), ":\t. = . + %u\n", (ROUNDED));} |
| |
| /* 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, "\tmovel %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, "\tmovel (sp)+,%s\n", reg_names[REGNO]) |
| |
| #undef ASM_OUTPUT_ASCII |
| #define ASM_OUTPUT_ASCII(FILE, P , SIZE) \ |
| do { int i; \ |
| fprintf ((FILE), "\t.ascii \""); \ |
| for (i = 0; i < (SIZE); i++) \ |
| { \ |
| register int c = (P)[i]; \ |
| if (i != 0 && (i / 200) * 200 == i) \ |
| fprintf ((FILE), "\"\n\t.ascii \""); \ |
| if (c >= ' ' && c < 0177) { \ |
| if (c != '\"' && c != '\\') { \ |
| putc (c, (FILE)); \ |
| continue; \ |
| } \ |
| } \ |
| /* brain dead asm doesn't understand char escapes */ \ |
| fprintf ((FILE), "\"\n\t.byte\t%d\n\t.ascii \"", c); \ |
| } \ |
| fprintf ((FILE), "\"\n"); \ |
| } while (0) |
| |
| |
| /* Change all JBxx to Bxx. Also change all DBRA to DBF. |
| Also change divs.l, etc., to divs, etc. But don't change divsl.l. */ |
| |
| #define ASM_OUTPUT_OPCODE(FILE, PTR) \ |
| { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \ |
| { ++(PTR); } \ |
| else if ((PTR)[0] == 'd') \ |
| { \ |
| if (!strncmp ((PTR), "dbra", 4)) \ |
| { fprintf ((FILE), "dbf"); (PTR) += 4; } \ |
| else if (!strncmp ((PTR), "div", 3) && (PTR)[5] == ' ') \ |
| { fprintf ((FILE), "div%c", (PTR)[3]); (PTR) += 6; } \ |
| } \ |
| } |
| |
| |
| #if 0 |
| /* 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, $ in unos syntax). |
| '!' for the fpcr register (used in some float-to-fixed conversions). |
| |
| '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_PUNCT_VALID_P |
| #define PRINT_OPERAND_PUNCT_VALID_P(CODE) \ |
| ((CODE) == '.' || (CODE) == '#' || (CODE) == '-' \ |
| || (CODE) == '+' || (CODE) == '@' || (CODE) == '!') |
| |
| #undef PRINT_OPERAND |
| #define PRINT_OPERAND(FILE, X, CODE) \ |
| { int i; \ |
| if (CODE == '.') ; \ |
| 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, "fpcr"); \ |
| else if (CODE == '/') \ |
| ; \ |
| else if (GET_CODE (X) == REG) \ |
| { if (REGNO (X) < 16 && (CODE == 'y' || CODE == 'x') && GET_MODE (X) == DFmode) \ |
| fprintf (FILE, "%s:%s", reg_names[REGNO (X)], reg_names[REGNO (X)+1]); \ |
| else \ |
| fprintf (FILE, "%s", reg_names[REGNO (X)]); \ |
| } \ |
| else if (GET_CODE (X) == MEM) \ |
| { \ |
| output_address (XEXP (X, 0)); \ |
| if (CODE == 'd' && ! TARGET_68020 \ |
| && CONSTANT_ADDRESS_P (XEXP (X, 0))) \ |
| /* fprintf (FILE, ".l") */; \ |
| } \ |
| else if ((CODE == 'y' || CODE == 'w') \ |
| && GET_CODE(X) == CONST_DOUBLE \ |
| && (i = standard_sun_fpa_constant_p (X))) \ |
| fprintf (FILE, "%%%d", i & 0x1ff); \ |
| else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \ |
| { REAL_VALUE_TYPE r; long l; \ |
| REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ |
| if (CODE == 'f') \ |
| ASM_OUTPUT_FLOAT_OPERAND (CODE, FILE, r); \ |
| else \ |
| { REAL_VALUE_TO_TARGET_SINGLE (r, l); \ |
| fprintf (FILE, "$0x%x", l); } } \ |
| else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \ |
| { REAL_VALUE_TYPE r; \ |
| REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ |
| ASM_OUTPUT_DOUBLE_OPERAND (FILE, r); } \ |
| else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == XFmode) \ |
| { REAL_VALUE_TYPE r; \ |
| REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ |
| ASM_OUTPUT_LONG_DOUBLE_OPERAND (FILE, r); } \ |
| else { putc ('$', FILE); output_addr_const (FILE, X); }} |
| #endif |
| |
| /* 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 m68k.md |
| generates a label LInnn: on such an insn. */ |
| #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; } \ |
| 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-LI%d-2(pc,%s.w", \ |
| CODE_LABEL_NUMBER (XEXP (addr, 0)), \ |
| CODE_LABEL_NUMBER (XEXP (addr, 0)), \ |
| reg_names[REGNO (XEXP (ireg, 0))]); \ |
| else \ |
| fprintf (FILE, "L%d-LI%d-2(pc,%s.l", \ |
| CODE_LABEL_NUMBER (XEXP (addr, 0)), \ |
| CODE_LABEL_NUMBER (XEXP (addr, 0)), \ |
| reg_names[REGNO (ireg)]); \ |
| if (scale != 1) fprintf (FILE, ":%d", scale); \ |
| putc (')', FILE); \ |
| break; } \ |
| if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \ |
| { fprintf (FILE, "L%d-LI%d-2(pc,%s.l", \ |
| CODE_LABEL_NUMBER (XEXP (addr, 0)), \ |
| 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 && GET_CODE (addr) == LABEL_REF) abort (); \ |
| if (addr != 0) \ |
| output_addr_const (FILE, addr); \ |
| fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \ |
| if (breg != 0 && 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-LI%d-2(pc,%s.l)", \ |
| CODE_LABEL_NUMBER (XEXP (addr, 0)), \ |
| 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_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \ |
| do { fprintf (FILE, "\t; file\t"); \ |
| output_quoted_string (FILE, FILENAME); \ |
| fprintf (FILE, "\n"); \ |
| } while (0) |
| |
| #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \ |
| fprintf (FILE, "\t; ln\t%d\n", \ |
| (sdb_begin_function_line \ |
| ? last_linenum - sdb_begin_function_line : 1)) |
| |
| /* This macro generates the assembly code for function entry. |
| FILE is a stdio stream to output the code to. |
| SIZE is an int: how many units of temporary storage to allocate. |
| Refer to the array `regs_ever_live' to determine which registers |
| to save; `regs_ever_live[I]' is nonzero if register number I |
| is ever used in the function. This macro is responsible for |
| knowing which registers should not be saved even if used. */ |
| |
| /* Note that the order of the bit mask for fmovem is the opposite |
| of the order for movem! */ |
| |
| #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; \ |
| /* unos stack probe */ \ |
| if ( fsize > 30000 ) { \ |
| fprintf (FILE, "\tmovel sp,a0\n"); \ |
| fprintf (FILE, "\taddl $-%d,a0\n", 2048 + fsize); \ |
| fprintf (FILE, "\ttstb (a0)\n"); \ |
| } else { \ |
| fprintf (FILE, "\ttstb -%d(sp)\n", 2048 + fsize); \ |
| } \ |
| if (frame_pointer_needed) \ |
| { if (TARGET_68020 || fsize < 0x8000) \ |
| fprintf (FILE, "\tlink a6,$%d\n", -fsize); \ |
| else \ |
| fprintf (FILE, "\tlink a6,$0\n\tsubl $%d,sp\n", fsize); } \ |
| else if (fsize) \ |
| { \ |
| /* Adding negative number is faster on the 68040. */ \ |
| if (fsize + 4 < 0x8000) \ |
| { \ |
| fprintf (FILE, "\tadd.w #%d,sp\n", - (fsize + 4)); \ |
| } \ |
| else \ |
| { \ |
| fprintf (FILE, "\tadd.l #%d,sp\n", - (fsize + 4)); \ |
| } \ |
| } \ |
| 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, "\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, "\tmovel %s,-(sp)\n", reg_names[15 - exact_log2 (mask)]); \ |
| else if (mask) fprintf (FILE, "\tmovem $0x%x,-(sp)\n", mask); } |
| |
| /* Must put address in %a0 , not %d0 . -- LGM, 7/15/88 */ |
| /* UNOS ?? */ |
| #undef FUNCTION_PROFILER |
| #define FUNCTION_PROFILER(FILE, LABEL_NO) \ |
| fprintf (FILE, "\tmovl &LP%%%d,%%a0\n\tjsr mcount\n", (LABEL_NO)) |
| |
| /* This macro generates the assembly code for function exit, |
| on machines that need it. If FUNCTION_EPILOGUE is not defined |
| then individual return instructions are generated for each |
| return statement. Args are same as for FUNCTION_PROLOGUE. |
| |
| The function epilogue should not depend on the current stack pointer! |
| It should use the frame pointer only. This is mandatory because |
| of alloca; we also take advantage of it to omit stack adjustments |
| before returning. */ |
| |
| #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 = 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, "\tmovel $%d,a0\n", -fsize); \ |
| fsize = 0, big = 1; } \ |
| if (exact_log2 (mask) >= 0) { \ |
| if (big) \ |
| fprintf (FILE, "\tmovel -%d(a6,a0.l),%s\n", \ |
| offset + fsize, reg_names[exact_log2 (mask)]); \ |
| else if (! frame_pointer_needed) \ |
| fprintf (FILE, "\tmovel (sp)+,%s\n", \ |
| reg_names[exact_log2 (mask)]); \ |
| else \ |
| fprintf (FILE, "\tmovel -%d(a6),%s\n", \ |
| offset + fsize, reg_names[exact_log2 (mask)]); } \ |
| else if (mask) { \ |
| if (big) \ |
| fprintf (FILE, "\tmovem -%d(a6,a0.l),$0x%x\n", \ |
| offset + fsize, mask); \ |
| else if (! frame_pointer_needed) \ |
| fprintf (FILE, "\tmovem (sp)+,$0x%x\n", mask); \ |
| else \ |
| fprintf (FILE, "\tmovem -%d(a6),$0x%x\n", \ |
| offset + fsize, mask); } \ |
| if (fmask) { \ |
| if (big) \ |
| fprintf (FILE, "\tfmovem -%d(a6,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(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 (frame_pointer_needed) \ |
| fprintf (FILE, "\tunlk a6\n"); \ |
| else if (fsize) \ |
| { \ |
| if (fsize + 4 < 0x8000) \ |
| { \ |
| fprintf (FILE, "\tadd.w #%d,sp\n", fsize + 4); \ |
| } \ |
| else \ |
| { \ |
| fprintf (FILE, "\tadd.l #%d,sp\n", fsize + 4); \ |
| } \ |
| } \ |
| if (current_function_pops_args) \ |
| fprintf (FILE, "\trtd $%d\n", current_function_pops_args); \ |
| else fprintf (FILE, "\trts\n"); } |
| |
