--- /dev/null
+/* Definitions of target machine for GNU compiler.
+ Charles River Data Systems UNiverse/32
+
+ Written by Gary E. Miller
+ bug reports to Gary_Edmunds_Miller@cup.portal.com
+
+ Copyright (C) 1987 Free Software Foundation, Inc.
+
+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. */
+
+#define MOTOROLA /* Use Motorola syntax rather than "MIT" */
+#define SGS /* Uses SGS assembler */
+#define SGS_SWITCH_TABLES /* Different switch table handling */
+#define CRDS /* Charles River Data Systems assembler */
+
+#include "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. */
+#error This doesn't define STRUCTURE_SIZE_BOUNDARY
+
+/* See m68k.h. 0 means 680[01]0 with no 68881. */
+
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT 0
+
+/* 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 has vprintf() */
+
+#define HAVE_VPRINTF
+
+/* UNOS need stack probe :-( */
+
+#define HAVE_probe 1
+#define gen_probe() gen_rtx(ASM_INPUT, VOIDmode, "tstb -2048(sp)\t;probe\n")
+
+/* 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"
+
+/* 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 EXTRA_SECTIONS in_bss
+
+#define EXTRA_SECTION_FUNCTIONS \
+void \
+bss_section () \
+{ \
+ if (in_section != in_bss) \
+ { \
+ fprintf (asm_out_file, ".bss\n"); \
+ in_section = in_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 part of the obstack macros. */
+
+#define __PTR_TO_INT(P) ((int)(P))
+#define __INT_TO_PTR(P) ((char *)(P))
+
+/* 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"
+
+/* This is how to output an assembler line defining a `double' constant. */
+
+#undef ASM_OUTPUT_DOUBLE
+#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
+do { union { double f; long l[2];} tem; \
+ tem.f = (VALUE); \
+ fprintf (FILE, "\t.long 0x%x, 0x%x\n", tem.l[0], tem.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) \
+{ 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"); \
+ }
+
+
+/* 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; } \
+ } \
+}
+
+
+/* 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 cc register (used in an `and to cc' insn).
+
+ '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, "cc"); \
+ 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) \
+ { 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; \
+ if (CODE == 'f') \
+ ASM_OUTPUT_FLOAT_OPERAND (FILE, u1.f); \
+ else \
+ fprintf (FILE, "$0x%x", u1.i); } \
+ else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) != DImode) \
+ { union { double d; int i[2]; } u; \
+ u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
+ ASM_OUTPUT_DOUBLE_OPERAND (FILE, u.d); } \
+ else { putc ('$', FILE); output_addr_const (FILE, X); }}
+\f
+/* 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); \
+ }}
+\f
+#define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
+ fprintf (FILE, "\t; file\t\"%s\"\n", FILENAME)
+
+#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); } \
+ 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, "\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 = 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, "\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"); \
+ if (current_function_pops_args) \
+ fprintf (FILE, "\trtd $%d\n", current_function_pops_args); \
+ else fprintf (FILE, "\trts\n"); }
+
projects / gcc.git / commitdiff