i860-protos.h (i860_va_start): Remove 'stdarg_p' argument.

2003-08-22  Jason Eckhardt  <jle@rice.edu>

	* config/i860/i860-protos.h (i860_va_start): Remove 'stdarg_p'
	argument.
	(tdesc_section): Add prototype.
	Update copyright dates.
	* config/i860/i860.c: Include coretypes.h, tm.h, and toplev.h.
	(TARGET_ASM_FUNCTION_PROLOGUE): Move definition to end of file.
	(TARGET_ASM_FUNCTION_EPILOGUE): Likewise.
	(targetm): Likewise.
	(i860_output_function_prologue): Substitute HOST_WIDE_INT_PRINT_DEC
	for '%d' where necessary.
	(i860_va_start): Remove 'stdarg_p' argument.  Make conditional checks
	on 'stdarg_p' unconditional.  Divide current_function_args_info.ints
	by UNITS_PER_WORD when referencing (likewise for .floats).
	(I860_SVR4_VARARGS): Rename...
	(I860_SVR4_VA_LIST): ...to this.
	Call build() with 't' rather than 'field'.
	(i860_rtx_costs): New function.
	(TARGET_RTX_COSTS): Define.
	(i860_internal_label): New function.
	(TARGET_ASM_INTERNAL_LABEL): Define.
	(i860_file_start): New function.
	Update copyright dates.
	* config/i860/i860.h (CPP_PREDEFINES): Remove.
	(TARGET_CPU_CPP_BUILTINS): Define.
	(EXPAND_BUILTIN_VA_START): Remove 'stdarg' argument.
	(CONST_COSTS): Remove (and move code to i860_rtx_costs).
	(ASM_FILE_START): Remove.
	(ASM_FILE_START_1): Remove.
	(ASM_GLOBALIZE_LABEL): Remove.
	(ASM_OUTPUT_INTERNAL_LABEL): Remove.
	(ASM_OUTPUT_CASE_LABEL): Replace call of ASM_OUTPUT_INTERNAL_LABEL
	with targetm.asm_out.internal_label.
	Update copyright dates.
	* config/i860/sysv4.h (USER_LABEL_PREFIX): Define.
	(CPP_PREDEFINES): Remove.
	(TARGET_OS_CPP_BUILTINS): Define.
	(GLOBAL_ASM_OP): Define.
	(ASM_FILE_START): Remove.
	(TARGET_ASM_FILE_START_FILE_DIRECTIVE): Define.
	(TARGET_ASM_FILE_START): Define.
	Update copyright dates.

From-SVN: r70722

gcc/ChangeLog

 2003-08-22  Jason Eckhardt  <jle@rice.edu>
 
+	* config/i860/i860-protos.h (i860_va_start): Remove 'stdarg_p'
+	argument.
+	(tdesc_section): Add prototype.
+	Update copyright dates.
+	* config/i860/i860.c: Include coretypes.h, tm.h, and toplev.h.
+	(TARGET_ASM_FUNCTION_PROLOGUE): Move definition to end of file.
+	(TARGET_ASM_FUNCTION_EPILOGUE): Likewise.
+	(targetm): Likewise.
+	(i860_output_function_prologue): Substitute HOST_WIDE_INT_PRINT_DEC
+	for '%d' where necessary.
+	(i860_va_start): Remove 'stdarg_p' argument.  Make conditional checks
+	on 'stdarg_p' unconditional.  Divide current_function_args_info.ints
+	by UNITS_PER_WORD when referencing (likewise for .floats).
+	(I860_SVR4_VARARGS): Rename...
+	(I860_SVR4_VA_LIST): ...to this.
+	Call build() with 't' rather than 'field'.
+	(i860_rtx_costs): New function.
+	(TARGET_RTX_COSTS): Define.
+	(i860_internal_label): New function.
+	(TARGET_ASM_INTERNAL_LABEL): Define.
+	(i860_file_start): New function.
+	Update copyright dates.
+	* config/i860/i860.h (CPP_PREDEFINES): Remove.
+	(TARGET_CPU_CPP_BUILTINS): Define.
+	(EXPAND_BUILTIN_VA_START): Remove 'stdarg' argument.
+	(CONST_COSTS): Remove (and move code to i860_rtx_costs).
+	(ASM_FILE_START): Remove.
+	(ASM_FILE_START_1): Remove.
+	(ASM_GLOBALIZE_LABEL): Remove.
+	(ASM_OUTPUT_INTERNAL_LABEL): Remove.
+	(ASM_OUTPUT_CASE_LABEL): Replace call of ASM_OUTPUT_INTERNAL_LABEL
+	with targetm.asm_out.internal_label.
+	Update copyright dates.
+	* config/i860/sysv4.h (USER_LABEL_PREFIX): Define.
+	(CPP_PREDEFINES): Remove.
+	(TARGET_OS_CPP_BUILTINS): Define.
+	(GLOBAL_ASM_OP): Define.
+	(ASM_FILE_START): Remove.
+	(TARGET_ASM_FILE_START_FILE_DIRECTIVE): Define.
+	(TARGET_ASM_FILE_START): Define.
+	Update copyright dates.
+
+2003-08-22  Jason Eckhardt  <jle@rice.edu>
+
 	* config.gcc (i860-*-sysv4*): Add target.
 	* config/i860/i860-protos.h: New.
 	* config/i860/i860.c: New.

gcc/config/i860/i860-protos.h

 /* Definitions of target machine for GNU compiler, for Intel 860.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2003 Free Software Foundation, Inc.
    Hacked substantially by Ron Guilmette (rfg@monkeys.com) to cater to
    the whims of the System V Release 4 assembler.
 
@@ -51,7 +51,7 @@ extern int logic_int PARAMS ((rtx, enum machine_mode));
 extern int call_insn_operand PARAMS ((rtx, enum machine_mode));
 extern rtx i860_saveregs PARAMS ((void));
 #ifdef TREE_CODE
-extern void i860_va_start PARAMS ((int, tree, rtx));
+extern void i860_va_start PARAMS ((tree, rtx));
 extern rtx i860_va_arg PARAMS ((tree, tree));
 #endif /* TREE_CODE */
 #endif /* RTX_CODE */
@@ -59,3 +59,6 @@ extern rtx i860_va_arg PARAMS ((tree, tree));
 #ifdef TREE_CODE
 extern tree i860_build_va_list PARAMS ((void));
 #endif /* TREE_CODE */
+
+extern void tdesc_section (void);
+

gcc/config/i860/i860.c

 /* Subroutines for insn-output.c for Intel 860
-   Copyright (C) 1989, 1991, 1997, 1998, 1999, 2000, 2001, 2002
+   Copyright (C) 1989, 1991, 1997, 1998, 1999, 2000, 2001, 2002, 2003
    Free Software Foundation, Inc.
    Derived from sparc.c.
 
@@ -28,6 +28,8 @@ Boston, MA 02111-1307, USA.  */
 
 #include "config.h"
 #include "system.h"
+#include "coretypes.h"
+#include "tm.h"
 #include "flags.h"
 #include "rtl.h"
 #include "tree.h"
@@ -41,6 +43,7 @@ Boston, MA 02111-1307, USA.  */
 #include "insn-attr.h"
 #include "function.h"
 #include "expr.h"
+#include "toplev.h"
 #include "tm_p.h"
 #include "target.h"
 #include "target-def.h"
@@ -64,14 +67,6 @@ const char *i860_reg_prefix = I860_REG_PREFIX;
 
 rtx i860_compare_op0, i860_compare_op1;
 
-/* Initialize the GCC target structure.  */
-#undef TARGET_ASM_FUNCTION_PROLOGUE
-#define TARGET_ASM_FUNCTION_PROLOGUE i860_output_function_prologue
-#undef TARGET_ASM_FUNCTION_EPILOGUE
-#define TARGET_ASM_FUNCTION_EPILOGUE i860_output_function_epilogue
-
-struct gcc_target targetm = TARGET_INITIALIZER;
-
 /* Return non-zero if this pattern, can be evaluated safely, even if it
    was not asked for.  */
 int
@@ -1717,7 +1712,7 @@ i860_output_function_prologue (asm_file, local_bytes)
       /* Adjust the stack pointer.  The ABI sez to do this using `adds',
 	 but the native C compiler on svr4 uses `addu'.  */
 
-      fprintf (asm_file, "\taddu -%d,%ssp,%ssp\n",
+      fprintf (asm_file, "\taddu -" HOST_WIDE_INT_PRINT_DEC ",%ssp,%ssp\n",
 	frame_upper_bytes, i860_reg_prefix, i860_reg_prefix);
 
       /* Save the old frame pointer.  */
@@ -1734,9 +1729,9 @@ i860_output_function_prologue (asm_file, local_bytes)
 
       /* Get the value of frame_lower_bytes into r31.  */
 
-      fprintf (asm_file, "\torh %d,%sr0,%sr31\n",
+      fprintf (asm_file, "\torh " HOST_WIDE_INT_PRINT_DEC ",%sr0,%sr31\n",
 	frame_lower_bytes >> 16, i860_reg_prefix, i860_reg_prefix);
-      fprintf (asm_file, "\tor %d,%sr31,%sr31\n",
+      fprintf (asm_file, "\tor " HOST_WIDE_INT_PRINT_DEC ",%sr31,%sr31\n",
 	frame_lower_bytes & 0xffff, i860_reg_prefix, i860_reg_prefix);
 
       /* Now re-adjust the stack pointer using the value in r31.
@@ -1774,12 +1769,12 @@ i860_output_function_prologue (asm_file, local_bytes)
       /* Adjust the stack pointer.  The ABI sez to do this using `adds',
 	 but the native C compiler on svr4 uses `addu'.  */
 
-      fprintf (asm_file, "\taddu -%d,%ssp,%ssp\n",
+      fprintf (asm_file, "\taddu -" HOST_WIDE_INT_PRINT_DEC ",%ssp,%ssp\n",
 	total_fsize, i860_reg_prefix, i860_reg_prefix);
 
       /* Save the old frame pointer.  */
 
-      fprintf (asm_file, "\tst.l %sfp,%d(%ssp)\n",
+      fprintf (asm_file, "\tst.l %sfp," HOST_WIDE_INT_PRINT_DEC "(%ssp)\n",
 	i860_reg_prefix, frame_lower_bytes, i860_reg_prefix);
 
       /* Setup the new frame pointer.  The ABI sez to do this after
@@ -1787,7 +1782,7 @@ i860_output_function_prologue (asm_file, local_bytes)
 	(and its saz to do this using adds), but that's not what the
 	 native C compiler on svr4 does.  */
 
-      fprintf (asm_file, "\taddu %d,%ssp,%sfp\n",
+      fprintf (asm_file, "\taddu " HOST_WIDE_INT_PRINT_DEC ",%ssp,%sfp\n",
 	frame_lower_bytes, i860_reg_prefix, i860_reg_prefix);
 
       /* Preserve registers.  The ABI sez to do this before setting
@@ -2060,7 +2055,7 @@ i860_output_function_epilogue (asm_file, local_bytes)
 
   /* Get the value we plan to use to restore the stack pointer into r31.  */
 
-  fprintf (asm_file, "\tadds %d,%sfp,%sr31\n",
+  fprintf (asm_file, "\tadds " HOST_WIDE_INT_PRINT_DEC ",%sfp,%sr31\n",
     frame_upper_bytes, i860_reg_prefix, i860_reg_prefix);
 
   /* Restore the return address and the old frame pointer.  */
@@ -2173,10 +2168,7 @@ i860_build_va_list ()
 }
 
 void
-i860_va_start (stdarg_p, valist, nextarg)
-     int stdarg_p;
-     tree valist;
-     rtx nextarg;
+i860_va_start (tree valist, rtx nextarg)
 {
   tree saveregs, t;
 
@@ -2184,7 +2176,7 @@ i860_va_start (stdarg_p, valist, nextarg)
 			expand_builtin_saveregs ());
   saveregs = build1 (INDIRECT_REF, va_list_type_node, saveregs);
 
-  if (stdarg_p)
+  if (1 /* stdarg_p */)
     {
       tree field_ireg_used, field_freg_used, field_reg_base, field_mem_ptr;
       tree ireg_used, freg_used, reg_base, mem_ptr;
@@ -2210,12 +2202,12 @@ i860_va_start (stdarg_p, valist, nextarg)
       mem_ptr = build (COMPONENT_REF, TREE_TYPE (field_mem_ptr),
 		       valist, field_mem_ptr);
 
-      t = build_int_2 (current_function_args_info.ints, 0);
+      t = build_int_2 (current_function_args_info.ints / UNITS_PER_WORD, 0);
       t = build (MODIFY_EXPR, TREE_TYPE (ireg_used), ireg_used, t);
       TREE_SIDE_EFFECTS (t) = 1;
       expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL);
       
-      t = build_int_2 (ROUNDUP (current_function_args_info.floats, 8), 0);
+      t = build_int_2 (ROUNDUP ((current_function_args_info.floats / UNITS_PER_WORD), 8), 0);
       t = build (MODIFY_EXPR, TREE_TYPE (freg_used), freg_used, t);
       TREE_SIDE_EFFECTS (t) = 1;
       expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL);
@@ -2241,7 +2233,7 @@ i860_va_start (stdarg_p, valist, nextarg)
 
 #define NUM_PARM_FREGS	8
 #define NUM_PARM_IREGS	12
-#ifdef I860_SVR4_VARARGS
+#ifdef I860_SVR4_VA_LIST
 #define FREG_OFFSET 0
 #define IREG_OFFSET (NUM_PARM_FREGS * UNITS_PER_WORD)
 #else
@@ -2316,7 +2308,7 @@ i860_va_arg (valist, type)
 		       build_int_2 (incr, 0)));
       TREE_SIDE_EFFECTS (t) = 1;
 
-      t = fold (build (MULT_EXPR, TREE_TYPE (field), field,
+      t = fold (build (MULT_EXPR, TREE_TYPE (field), t /* field */,
 		       build_int_2 (UNITS_PER_WORD, 0)));
       TREE_SIDE_EFFECTS (t) = 1;
       
@@ -2359,3 +2351,62 @@ i860_va_arg (valist, type)
 
   return ret;
 }
+
+
+/* Compute a (partial) cost for rtx X.  Return true if the complete
+   cost has been computed, and false if subexpressions should be
+   scanned.  In either case, *TOTAL contains the cost result.  */
+
+static bool
+i860_rtx_costs (rtx x, int code, int outer_code ATTRIBUTE_UNUSED, int *total)
+{
+  switch (code)
+    {
+    case CONST_INT:
+      if (INTVAL (x) == 0)
+        *total = 0;
+      else if (INTVAL (x) < 0x2000 && INTVAL (x) >= -0x2000)
+        *total = 1;
+      return true;
+    case CONST:
+    case LABEL_REF:
+    case SYMBOL_REF:
+      *total = 4;
+      return true;
+    case CONST_DOUBLE:
+      *total = 6;
+      return true;
+    default:
+      return false;
+    }
+}
+
+static void
+i860_internal_label (FILE *stream, const char *prefix, unsigned long labelno)
+{
+  fprintf (stream, ".%s%ld:\n", prefix, labelno);
+}
+
+static void
+i860_file_start (void)
+{
+  output_file_directive (asm_out_file, main_input_filename);
+  fprintf (asm_out_file, "\t.version\t\"01.01\"\n");
+}
+
+
+/* Initialize the GCC target structure.  */
+#undef TARGET_RTX_COSTS
+#define TARGET_RTX_COSTS i860_rtx_costs
+
+#undef  TARGET_ASM_INTERNAL_LABEL
+#define TARGET_ASM_INTERNAL_LABEL i860_internal_label
+
+#undef TARGET_ASM_FUNCTION_PROLOGUE
+#define TARGET_ASM_FUNCTION_PROLOGUE i860_output_function_prologue
+
+#undef TARGET_ASM_FUNCTION_EPILOGUE
+#define TARGET_ASM_FUNCTION_EPILOGUE i860_output_function_epilogue
+
+struct gcc_target targetm = TARGET_INITIALIZER;
+

gcc/config/i860/i860.h

 /* Definitions of target machine for GNU compiler, for Intel 860.
    Copyright (C) 1989, 1991, 1993, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002 Free Software Foundation, Inc.
+   2001, 2002, 2003 Free Software Foundation, Inc.
    Hacked substantially by Ron Guilmette (rfg@monkeys.com) to cater to
    the whims of the System V Release 4 assembler.
 
@@ -27,8 +27,12 @@ Boston, MA 02111-1307, USA.  */
 
 
 /* Names to predefine in the preprocessor for this target machine.  */
-
-#define CPP_PREDEFINES "-Di860 -Dunix -Asystem=unix -Asystem=svr4 -Acpu=i860 -Amachine=i860"
+#define TARGET_CPU_CPP_BUILTINS()               \
+do {                                            \
+        builtin_define ("i860");                \
+        builtin_assert ("cpu=i860");            \
+        builtin_assert ("machine=i860");        \
+} while (0)
 
 /* Print subsidiary information on the compiler version in use.  */
 #define TARGET_VERSION fprintf (stderr, " (i860)");
@@ -572,8 +576,8 @@ struct cumulative_args { int ints, floats; };
   (VALIST) = i860_build_va_list ()
 
 /* Implement `va_start' for varargs and stdarg.  */
-#define EXPAND_BUILTIN_VA_START(stdarg, valist, nextarg) \
-  i860_va_start (stdarg, valist, nextarg)
+#define EXPAND_BUILTIN_VA_START(valist, nextarg) \
+  i860_va_start (valist, nextarg)
 
 /* Implement `va_arg'.  */
 #define EXPAND_BUILTIN_VA_ARG(valist, type) \
@@ -885,23 +889,6 @@ struct cumulative_args { int ints, floats; };
    but a CALL with constant address is cheap.  */
 #define NO_FUNCTION_CSE
 
-/* Compute the cost of computing a constant rtl expression RTX
-   whose rtx-code is CODE.  The body of this macro is a portion
-   of a switch statement.  If the code is computed here,
-   return it with a return statement.  Otherwise, break from the switch.  */
-
-#define CONST_COSTS(RTX,CODE, OUTER_CODE)			\
-  case CONST_INT:						\
-    if (INTVAL (RTX) == 0)					\
-      return 0;							\
-    if (INTVAL (RTX) < 0x2000 && INTVAL (RTX) >= -0x2000) return 1; \
-  case CONST:							\
-  case LABEL_REF:						\
-  case SYMBOL_REF:						\
-    return 4;							\
-  case CONST_DOUBLE:						\
-    return 6;
-
 /* Specify the cost of a branch insn; roughly the number of extra insns that
    should be added to avoid a branch.
 
@@ -958,19 +945,6 @@ struct cumulative_args { int ints, floats; };
 
 #define ASM_DOUBLE "\t.double"
 
-/* Output at beginning of assembler file.  */
-/* The .file command should always begin the output.  */
-
-#define ASM_FILE_START(FILE)
-#if 0
-#define ASM_FILE_START(FILE)					\
-  do { output_file_directive ((FILE), main_input_filename);	\
-       if (optimize) ASM_FILE_START_1 (FILE);			\
-     } while (0)
-#endif
-
-#define ASM_FILE_START_1(FILE)
-
 /* Output to assembler file text saying following lines
    may contain character constants, extra white space, comments, etc.  */
 
@@ -1008,36 +982,21 @@ struct cumulative_args { int ints, floats; };
 #define ASM_OUTPUT_LABEL(FILE,NAME)	\
   do { assemble_name (FILE, NAME); fputs (":\n", FILE); } while (0)
 
-/* This is how to output a command to make the user-level label named NAME
-   defined for reference from other files.  */
-
-#define ASM_GLOBALIZE_LABEL(FILE,NAME)					\
-  do { fputs (".globl ", FILE);					\
-	assemble_name (FILE, NAME);					\
-	fputs ("\n", FILE);						\
-  } while (0)
-
 /* The prefix to add to user-visible assembler symbols.
 
-   This definition is overridden in i860v4.h because under System V
+   This definition is overridden in i860/sysv4.h because under System V
    Release 4, user-level symbols are *not* prefixed with underscores in
    the generated assembly code.  */
 
 #define USER_LABEL_PREFIX "_"
 
-/* This is how to output an internal numbered label where
-   PREFIX is the class of label and NUM is the number within the class.  */
-
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)	\
-  fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
-
 /* This is how to output an internal numbered label which
    labels a jump table.  */
 
 #undef ASM_OUTPUT_CASE_LABEL
 #define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE)		\
 do { ASM_OUTPUT_ALIGN ((FILE), 2);					\
-     ASM_OUTPUT_INTERNAL_LABEL ((FILE), PREFIX, NUM);			\
+     (*targetm.asm_out.internal_label) ((FILE), PREFIX, NUM);		\
    } while (0)
 
 /* Output at the end of a jump table.  */

gcc/config/i860/sysv4.h

 /* Target definitions for GNU compiler for Intel 80860 running System V.4
-   Copyright (C) 1991, 1996, 2000, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1991, 1996, 2000, 2002, 2003 Free Software Foundation, Inc.
    Contributed by Ron Guilmette (rfg@monkeys.com).
 
 This file is part of GNU CC.
@@ -22,6 +22,9 @@ Boston, MA 02111-1307, USA.  */
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (i860 System V Release 4)");
 
+#undef USER_LABEL_PREFIX
+#define USER_LABEL_PREFIX ""
+
 /* Provide a set of pre-definitions and pre-assertions appropriate for
    the i860 running svr4.  Note that the symbol `__svr4__' MUST BE
    DEFINED!  It is needed so that the va_list struct in va-i860.h
@@ -31,8 +34,16 @@ Boston, MA 02111-1307, USA.  */
    will be selected when we are building gnulib2.c.
    __svr4__ is our extension.  */
 
-#define CPP_PREDEFINES \
-  "-Di860 -Dunix -DSVR4 -D__svr4__ -Asystem=unix -Asystem=svr4 -Acpu=i860 -Amachine=i860"
+#define TARGET_OS_CPP_BUILTINS()                \
+  do                                            \
+    {                                           \
+        builtin_define_std ("unix");            \
+        builtin_define ("SVR4");                \
+        builtin_define ("__svr4__");            \
+        builtin_assert ("system=unix");         \
+        builtin_assert ("system=svr4");         \
+    }                                           \
+  while (0)
 
 /* For the benefit of i860_va_arg, flag it this way too.  */
 
@@ -48,6 +59,8 @@ Boston, MA 02111-1307, USA.  */
 #undef TYPE_OPERAND_FMT
 #define TYPE_OPERAND_FMT      "\"%s\""
 
+#define GLOBAL_ASM_OP ".globl "
+
 /* The following macro definition overrides the one in i860.h
    because the svr4 i860 assembler requires a different syntax
    for getting parts of constant/relocatable values.  */
@@ -59,11 +72,10 @@ Boston, MA 02111-1307, USA.  */
 	fprintf (FILE, "]@%s", PART_CODE);				\
   } while (0)
 
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE)						\
-  do {	output_file_directive (FILE, main_input_filename);		\
-	fprintf (FILE, "\t.version\t\"01.01\"\n");			\
-  } while (0)
+#undef TARGET_ASM_FILE_START_FILE_DIRECTIVE
+#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
+#undef TARGET_ASM_FILE_START
+#define TARGET_ASM_FILE_START i860_file_start
 
 /* Output the special word the svr4 SDB wants to see just before
    the first word of each function's prologue code.  */