From 7b4bf3453d0ade248e783eb510b294ca7d72039e Mon Sep 17 00:00:00 2001 From: Richard Kenner Date: Sat, 16 Apr 1994 19:17:54 -0400 Subject: [PATCH] (FUNCTION_ARG_PADDING, FUNCTION_PROLOGUE): Deleted. (FUNCTION_EPILOGUE, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Deleted. (SGS_SWITCH_TABLES, ASM_OUTPUT_CASE_END): Deleted. (ASM_OUTPUT_FLOAT_OPERAND, ASM_OUTPUT_DOUBLE_OPERAND): Deleted. (SGS_NO_LI, ASM_OUTPUT_CASE_FETCH, ASM_RETURN_CASE_JUMP): Defined. From-SVN: r7052 --- gcc/config/m68k/mot3300.h | 358 ++++---------------------------------- 1 file changed, 30 insertions(+), 328 deletions(-) diff --git a/gcc/config/m68k/mot3300.h b/gcc/config/m68k/mot3300.h index 79ae4b69a31..e0be06f30d7 100644 --- a/gcc/config/m68k/mot3300.h +++ b/gcc/config/m68k/mot3300.h @@ -25,7 +25,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #define SGS /* Uses SGS assembler */ #define SGS_CMP_ORDER /* Takes cmp operands in reverse order */ #define SGS_SWAP_W /* Use swap.w rather than just plain swap */ -#define SGS_SWITCH_TABLES /* Different switch table handling */ #define NO_DOLLAR_IN_LABEL #define NO_DOT_IN_LABEL @@ -90,6 +89,11 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #undef REGISTER_PREFIX #define REGISTER_PREFIX "%" +#if 0 +#undef LOCAL_LABEL_PREFIX +#define LOCAL_LABEL_PREFIX "~" +#endif + #undef IMMEDIATE_PREFIX #define IMMEDIATE_PREFIX "&" @@ -99,99 +103,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp", \ "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7"} -#if 0 /* phdm@info.ucl.ac.be says the standard ones work. */ -#undef FUNCTION_PROLOGUE -#define FUNCTION_PROLOGUE(FILE, SIZE) \ -{ register int regno; \ - register int mask = 0; \ - extern char call_used_regs[]; \ - int fsize = (SIZE); \ - if (frame_pointer_needed) \ - { if (fsize < 0x8000) \ - fprintf (FILE, "\tlink.w %%fp,&%d\n", -fsize); \ - else if (TARGET_68020) \ - fprintf (FILE, "\tlink.l %%fp,&%d\n", -fsize); \ - else \ - fprintf (FILE, "\tlink.w %%fp,&0\n\tsub.l &%d,%%sp\n", fsize); } \ - for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \ - if (regs_ever_live[regno] && ! call_used_regs[regno]) \ - mask |= 1 << (regno - 16); \ - if (mask != 0) \ - fprintf (FILE, "\tfmovem &0x%x,-(%%sp)\n", mask & 0xff); \ - mask = 0; \ - for (regno = 0; regno < 16; regno++) \ - if (regs_ever_live[regno] && ! call_used_regs[regno]) \ - mask |= 1 << (15 - regno); \ - if (frame_pointer_needed) \ - mask &= ~ (1 << (15-FRAME_POINTER_REGNUM)); \ - if (exact_log2 (mask) >= 0) \ - fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[15 - exact_log2 (mask)]); \ - else if (mask) fprintf (FILE, "\tmovm.l &0x%x,-(%%sp)\n", mask); } -#endif /* 0 */ - #undef FUNCTION_PROFILER #define FUNCTION_PROFILER(FILE, LABEL_NO) \ fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO)) -#if 0 /* phdm@info.ucl.ac.be says the standard ones work. */ -#undef FUNCTION_EPILOGUE -#define FUNCTION_EPILOGUE(FILE, SIZE) \ -{ register int regno; \ - register int mask, fmask; \ - register int nregs; \ - int offset, foffset; \ - extern char call_used_regs[]; \ - int fsize = (SIZE); \ - int big = 0; \ - nregs = 0; fmask = 0; \ - for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \ - if (regs_ever_live[regno] && ! call_used_regs[regno]) \ - { nregs++; fmask |= 1 << (23 - regno); } \ - foffset = nregs * 12; \ - nregs = 0; mask = 0; \ - if (frame_pointer_needed) regs_ever_live[FRAME_POINTER_REGNUM] = 0; \ - for (regno = 0; regno < 16; regno++) \ - if (regs_ever_live[regno] && ! call_used_regs[regno]) \ - { nregs++; mask |= 1 << regno; } \ - offset = foffset + nregs * 4; \ - if (offset + fsize >= 0x8000 && frame_pointer_needed) \ - { fprintf (FILE, "\tmov.l &%d,%%a0\n", -fsize); \ - fsize = 0, big = 1; } \ - if (exact_log2 (mask) >= 0) { \ - if (big) \ - fprintf (FILE, "\tmov.l -%d(%%fp,%%a0.l),%s\n", \ - offset + fsize, reg_names[exact_log2 (mask)]); \ - else if (! frame_pointer_needed) \ - fprintf (FILE, "\tmov.l (%%sp)+,%s\n", \ - reg_names[exact_log2 (mask)]); \ - else \ - fprintf (FILE, "\tmov.l -%d(%%fp),%s\n", \ - offset + fsize, reg_names[exact_log2 (mask)]); } \ - else if (mask) { \ - if (big) \ - fprintf (FILE, "\tmovm.l -%d(%%fp,%%a0.l),&0x%x\n", \ - offset + fsize, mask); \ - else if (! frame_pointer_needed) \ - fprintf (FILE, "\tmovm.l (%%sp)+,&0x%x\n", mask); \ - else \ - fprintf (FILE, "\tmovm.l -%d(%%fp),&0x%x\n", \ - offset + fsize, mask); } \ - if (fmask) { \ - if (big) \ - fprintf (FILE, "\tfmovem -%d(%%fp,%%a0.l),&0x%x\n", \ - foffset + fsize, fmask); \ - else if (! frame_pointer_needed) \ - fprintf (FILE, "\tfmovem (%%sp)+,&0x%x\n", fmask); \ - else \ - fprintf (FILE, "\tfmovem -%d(%%fp),&0x%x\n", \ - foffset + fsize, fmask); } \ - if (frame_pointer_needed) \ - fprintf (FILE, "\tunlk %%fp\n"); \ - if (current_function_pops_args) \ - fprintf (FILE, "\trtd &%d\n", current_function_pops_args); \ - else fprintf (FILE, "\trts\n"); } -#endif /* 0 */ - /* This is how to output an insn to push a register on the stack. It need not be very fast code. */ @@ -237,19 +152,6 @@ output_file_directive ((FILE), main_input_filename) #undef CPP_PREDEFINES #define CPP_PREDEFINES "-Dm68k -Dunix -DsysV68 -D__motorola__ -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)" -#if 0 /* phdm@info.ucl.ac.be says the right way is with PARM_BOUNDARY. */ -/* 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) -#endif /* 0 */ - /* Override part of the obstack macros. */ #define __PTR_TO_INT(P) ((int)(P)) @@ -272,17 +174,12 @@ output_file_directive ((FILE), main_input_filename) #undef FUNCTION_VALUE /* sysV68 (brain damaged) cc convention support. */ -/* Commented out until we find a safe way to make it optional. */ -#if 1 #define FUNCTION_VALUE(VALTYPE,FUNC) \ (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 \ ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16) \ : (TREE_CODE (VALTYPE) == POINTER_TYPE \ ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8) \ : gen_rtx (REG, TYPE_MODE (VALTYPE), 0))) -#else -#define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE (TYPE_MODE (VALTYPE)) -#endif /* If TARGET_68881, SF and DF values are returned in fp0 instead of d0. */ @@ -299,14 +196,8 @@ output_file_directive ((FILE), main_input_filename) #undef FUNCTION_VALUE_REGNO_P /* sysV68 (brain damaged) cc convention support. */ -/* Commented out until we find a safe way to make it optional. */ -#if 1 #define FUNCTION_VALUE_REGNO_P(N) \ ((N) == 0 || (N) == 8 || (TARGET_68881 && (N) == 16)) -#else -#define FUNCTION_VALUE_REGNO_P(N) \ - ((N) == 0 || (TARGET_68881 && (N) == 16)) -#endif /* Define this to be true when FUNCTION_VALUE_REGNO_P is true for more than one register. */ @@ -439,205 +330,25 @@ do { long l; \ goto loop; } \ putc ('\n', (FILE)); } while (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). - '!' for the fpcr register (used in some float-to-fixed conversions). - '$' for the letter `s' in an op code, but only on the 68040. - '&' for the letter `d' in an op code, but only on the 68040. - - 'b' for byte insn (no effect, on the Sun; this is for the ISI). - 'd' to force memory addressing to be absolute, not relative. - 'f' for float insn (print a CONST_DOUBLE as a float rather than in hex) - 'w' for FPA insn (print a CONST_DOUBLE as a SunFPA constant rather - than directly). Second part of 'y' below. - 'x' for float insn (print a CONST_DOUBLE as a float rather than in hex), - or print pair of registers as rx:ry. - 'y' for a FPA insn (print pair of registers as rx:ry). This also outputs - CONST_DOUBLE's as SunFPA constant RAM registers if - possible, so it should not be used except for the SunFPA. */ - -#undef PRINT_OPERAND -#define PRINT_OPERAND(FILE, X, CODE) \ -{ if (CODE == '.') fprintf (FILE, "."); \ - else if (CODE == '#') fprintf (FILE, "&"); \ - else if (CODE == '-') fprintf (FILE, "-(%%sp)"); \ - else if (CODE == '+') fprintf (FILE, "(%%sp)+"); \ - else if (CODE == '@') fprintf (FILE, "(%%sp)"); \ - else if (CODE == '!') fprintf (FILE, "%%fpcr"); \ - else if (CODE == '$') { if (TARGET_68040_ONLY) fprintf (FILE, "s"); } \ - else if (CODE == '&') { if (TARGET_68040_ONLY) fprintf (FILE, "d"); } \ - else if (CODE == '/') \ - fprintf (FILE, "%%"); \ - 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) \ - { REAL_VALUE_TYPE r; long l; \ - REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ +/* Output a float value (represented as a C double) as an immediate operand. + This macro is a 68k-specific macro. */ + +#undef ASM_OUTPUT_FLOAT_OPERAND +#define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \ + do { long l; \ REAL_VALUE_TO_TARGET_SINGLE (r, l); \ /* Use hex representation even if CODE is f. as needs it. */ \ - fprintf (FILE, "&0x%x", l); } \ - else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \ - { REAL_VALUE_TYPE r; int i[2]; \ - REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ - REAL_VALUE_TO_TARGET_DOUBLE (r, i); \ - fprintf (FILE, "&0x%08x%08x", i[0], i[1]); } \ - 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); }} - -#undef PRINT_OPERAND_ADDRESS -#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \ -{ register rtx reg1, reg2, breg, ireg; \ - register rtx addr = ADDR; \ - rtx offset; \ - switch (GET_CODE (addr)) \ - { \ - case REG: \ - fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \ - break; \ - case PRE_DEC: \ - fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \ - break; \ - case POST_INC: \ - fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \ - break; \ - case PLUS: \ - reg1 = 0; reg2 = 0; \ - ireg = 0; breg = 0; \ - offset = 0; \ - if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \ - { \ - offset = XEXP (addr, 0); \ - addr = XEXP (addr, 1); \ - } \ - else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \ - { \ - offset = XEXP (addr, 1); \ - addr = XEXP (addr, 0); \ - } \ - if (GET_CODE (addr) != PLUS) ; \ - else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \ - { \ - reg1 = XEXP (addr, 0); \ - addr = XEXP (addr, 1); \ - } \ - else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \ - { \ - reg1 = XEXP (addr, 1); \ - addr = XEXP (addr, 0); \ - } \ - else if (GET_CODE (XEXP (addr, 0)) == MULT) \ - { \ - reg1 = XEXP (addr, 0); \ - addr = XEXP (addr, 1); \ - } \ - else if (GET_CODE (XEXP (addr, 1)) == MULT) \ - { \ - reg1 = XEXP (addr, 1); \ - addr = XEXP (addr, 0); \ - } \ - else if (GET_CODE (XEXP (addr, 0)) == REG) \ - { \ - reg1 = XEXP (addr, 0); \ - addr = XEXP (addr, 1); \ - } \ - else if (GET_CODE (XEXP (addr, 1)) == REG) \ - { \ - reg1 = XEXP (addr, 1); \ - addr = XEXP (addr, 0); \ - } \ - if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \ - || GET_CODE (addr) == SIGN_EXTEND) \ - { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \ -/* for OLD_INDEXING \ - else if (GET_CODE (addr) == PLUS) \ - { \ - if (GET_CODE (XEXP (addr, 0)) == REG) \ - { \ - reg2 = XEXP (addr, 0); \ - addr = XEXP (addr, 1); \ - } \ - else if (GET_CODE (XEXP (addr, 1)) == REG) \ - { \ - reg2 = XEXP (addr, 1); \ - addr = XEXP (addr, 0); \ - } \ - } \ - */ \ - if (offset != 0) { if (addr != 0) abort (); addr = offset; } \ - if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \ - || GET_CODE (reg1) == MULT)) \ - || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \ - { breg = reg2; ireg = reg1; } \ - else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \ - { breg = reg1; ireg = reg2; } \ - if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \ - { int scale = 1; \ - if (GET_CODE (ireg) == MULT) \ - { scale = INTVAL (XEXP (ireg, 1)); \ - ireg = XEXP (ireg, 0); } \ - if (GET_CODE (ireg) == SIGN_EXTEND) \ - fprintf (FILE, "12(%%pc,%s.w", \ - reg_names[REGNO (XEXP (ireg, 0))]); \ - else \ - fprintf (FILE, "12(%%pc,%s.l", \ - reg_names[REGNO (ireg)]); \ - if (scale != 1) fprintf (FILE, "*%d", scale); \ - fprintf (FILE, ")"); \ - break; } \ - if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \ - { fprintf (FILE, "12(%%pc,%s.l", \ - reg_names[REGNO (breg)]); \ - putc (')', FILE); \ - break; } \ - if (ireg != 0 || breg != 0) \ - { int scale = 1; \ - if (breg == 0) \ - abort (); \ - if (addr != 0) \ - output_addr_const (FILE, addr); \ - fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \ - if (ireg != 0) \ - putc (',', FILE); \ - if (ireg != 0 && GET_CODE (ireg) == MULT) \ - { scale = INTVAL (XEXP (ireg, 1)); \ - ireg = XEXP (ireg, 0); } \ - if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \ - fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \ - else if (ireg != 0) \ - fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \ - if (scale != 1) fprintf (FILE, "*%d", scale); \ - putc (')', FILE); \ - break; \ - } \ - else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \ - { fprintf (FILE, "12(%%pc,%s.w)", \ - reg_names[REGNO (reg1)]); \ - break; } \ - default: \ - if (GET_CODE (addr) == CONST_INT \ - && INTVAL (addr) < 0x8000 \ - && INTVAL (addr) >= -0x8000) \ - fprintf (FILE, "%d", INTVAL (addr)); \ - else \ - output_addr_const (FILE, addr); \ - }} + fprintf ((FILE), "&0x%lx", l); \ + } while (0) + +/* Output a double value (represented as a C double) as an immediate operand. + This macro is a 68k-specific macro. */ +#undef ASM_OUTPUT_DOUBLE_OPERAND +#define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \ + do { long l[2]; \ + REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \ + fprintf ((FILE), "&0x%lx%08lx", l[0], l[1]); \ + } while (0) /* This is how to store into the string LABEL the symbol_ref name of an internal numbered label where @@ -679,24 +390,19 @@ do { long l; \ #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \ XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)) - -#if 0 -/* 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 (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; } -#endif -/* We have to define this to avoid errors. */ -int switch_table_difference_label_flag; +/* sysV68 as cannot handle LD%n(%pc,%reg) */ +#define SGS_NO_LI + +/* labelno is not used here */ +#define ASM_OUTPUT_CASE_FETCH(file, labelno, regname)\ + asm_fprintf (file, "12(%Rpc,%s.", regname) +#define ASM_RETURN_CASE_JUMP return "jmp 8(%%pc,%0.w)" + /* Translate some opcodes to fit the sysV68 assembler syntax. */ /* The opcodes fdmov and fsmov are guesses. */ -#define SWITCH_JUMP_MATCH "jmp 6(%%pc," - /* cliffm@netcom.com says no need for .w suffix on jumps. */ #undef ASM_OUTPUT_OPCODE #define ASM_OUTPUT_OPCODE(FILE, PTR) \ @@ -749,10 +455,6 @@ int switch_table_difference_label_flag; { fprintf ((FILE), "cmp"); (PTR) += 3; \ if ((PTR)[0] == 'a' || (PTR)[0] == 'i' \ || (PTR)[0] == 'm') (PTR)++; } \ -/* JMP to switch label */ \ - else if (!strncmp((PTR), (SWITCH_JUMP_MATCH), sizeof(SWITCH_JUMP_MATCH) - 1)) \ - { while (*(PTR)++ != '('); \ - fprintf ((FILE), "jmp 8("); } \ } /* phdm@info.ucl.ac.be says to pass SIZE, not ROUNDED. */ -- 2.30.2