#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
#undef REGISTER_PREFIX
#define REGISTER_PREFIX "%"
+#if 0
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX "~"
+#endif
+
#undef IMMEDIATE_PREFIX
#define IMMEDIATE_PREFIX "&"
"%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. */
#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))
#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. */
#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. */
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
#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) \
{ 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. */
projects / gcc.git / commitdiff