i386-protos.h (output_387_binary_op, [...]): Constify a char*.

	* i386-protos.h (output_387_binary_op, output_fix_trunc,
	output_fp_compare): Constify a char*.

	* i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
	static prototypes.
	(override_options, ix86_comp_type_attributes, print_operand,
	output_387_binary_op, output_fix_trunc, output_fp_compare):
	Constify a char*.
	(ix86_sched_reorder): Mark parameter `clock_var' with
	ATTRIBUTE_UNUSED.

	* i386.h (DEBUG_PRINT_REG): Constify a char*.

From-SVN: r30869

4 files changed, 32 insertions, 15 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3f49340..abe29a1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,18 @@
+1999-12-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* i386-protos.h (output_387_binary_op, output_fix_trunc,
+	output_fp_compare): Constify a char*.
+
+	* i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
+	static prototypes.
+	(override_options, ix86_comp_type_attributes, print_operand,
+	output_387_binary_op, output_fix_trunc, output_fp_compare):
+	Constify a char*.
+	(ix86_sched_reorder): Mark parameter `clock_var' with
+	ATTRIBUTE_UNUSED.
+
+	* i386.h (DEBUG_PRINT_REG): Constify a char*.
+
 1999-12-10  Ben Collins  <bcollins@debian.org>
 
         * configure.in: Fix typo for "-64" in 64bit as check.
diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h
index 5c8ffe4..3ab97a7 100644
--- a/gcc/config/i386/i386-protos.h
+++ b/gcc/config/i386/i386-protos.h
@@ -76,9 +76,9 @@ extern void print_operand_address PROTO((FILE*, rtx));
 
 extern void split_di PROTO((rtx[], int, rtx[], rtx[]));
 
-extern char *output_387_binary_op PROTO((rtx, rtx*));
-extern char *output_fix_trunc PROTO((rtx, rtx*));
-extern char *output_fp_compare PROTO((rtx, rtx*, int, int));
+extern const char *output_387_binary_op PROTO((rtx, rtx*));
+extern const char *output_fix_trunc PROTO((rtx, rtx*));
+extern const char *output_fp_compare PROTO((rtx, rtx*, int, int));
 
 extern void ix86_expand_move PROTO((enum machine_mode, rtx[]));
 extern void ix86_expand_binary_operator PROTO((enum rtx_code,
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index d2069ee..513b81b 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -315,6 +315,8 @@ static rtx * ix86_pent_find_pair PROTO ((rtx *, rtx *, enum attr_pent_pair,
 					 rtx));
 static void ix86_init_machine_status PROTO ((struct function *));
 static void ix86_mark_machine_status PROTO ((struct function *));
+static void ix86_split_to_parts PROTO ((rtx, rtx *, enum machine_mode));
+static int ix86_safe_length_prefix PROTO ((rtx));
 
 struct ix86_address
 {
@@ -361,7 +363,7 @@ override_options ()
 
   static struct pta
     {
-      char *name;		/* processor name or nickname. */
+      const char *name;		/* processor name or nickname. */
       enum processor_type processor;
     }
   const processor_alias_table[] = 
@@ -718,7 +720,7 @@ ix86_comp_type_attributes (type1, type2)
      tree type2;
 {
   /* Check for mismatch of non-default calling convention. */
-  char *rtdstr = TARGET_RTD ? "cdecl" : "stdcall";
+  const char *rtdstr = TARGET_RTD ? "cdecl" : "stdcall";
 
   if (TREE_CODE (type1) != FUNCTION_TYPE)
     return 1;
@@ -2830,7 +2832,7 @@ print_operand (file, x, code)
       /* No `byte ptr' prefix for call instructions.  */
       if (ASSEMBLER_DIALECT != 0 && code != 'X' && code != 'P')
 	{
-	  char * size;
+	  const char * size;
 	  switch (GET_MODE_SIZE (GET_MODE (x)))
 	    {
 	    case 1: size = "BYTE"; break;
@@ -3073,14 +3075,14 @@ split_di (operands, num, lo_half, hi_half)
    There is no guarantee that the operands are the same mode, as they
    might be within FLOAT or FLOAT_EXTEND expressions. */
 
-char *
+const char *
 output_387_binary_op (insn, operands)
      rtx insn;
      rtx *operands;
 {
   static char buf[100];
   rtx temp;
-  char *p;
+  const char *p;
 
   switch (GET_CODE (operands[3]))
     {
@@ -3218,7 +3220,7 @@ output_387_binary_op (insn, operands)
    are the insn operands.  The output may be [SD]Imode and the input
    operand may be [SDX]Fmode.  */
 
-char *
+const char *
 output_fix_trunc (insn, operands)
      rtx insn;
      rtx *operands;
@@ -3277,7 +3279,7 @@ output_fix_trunc (insn, operands)
    should be used and 2 when fnstsw should be used.  UNORDERED_P is true
    when fucom should be used.  */
 
-char *
+const char *
 output_fp_compare (insn, operands, eflags_p, unordered_p)
      rtx insn;
      rtx *operands;
@@ -3339,7 +3341,7 @@ output_fp_compare (insn, operands, eflags_p, unordered_p)
     {
       /* Encoded here as eflags_p | intmode | unordered_p | stack_top_dies.  */
 
-      static char * const alt[24] = 
+      static const char * const alt[24] = 
       {
 	"fcom%z1\t%y1",
 	"fcomp%z1\t%y1",
@@ -3373,7 +3375,7 @@ output_fp_compare (insn, operands, eflags_p, unordered_p)
       };
 
       int mask;
-      char *ret;
+      const char *ret;
 
       mask  = eflags_p << 3;
       mask |= (GET_MODE_CLASS (GET_MODE (operands[1])) == MODE_INT) << 2;
@@ -5869,7 +5871,7 @@ ix86_sched_reorder (dump, sched_verbose, ready, n_ready, clock_var)
      FILE *dump ATTRIBUTE_UNUSED;
      int sched_verbose ATTRIBUTE_UNUSED;
      rtx *ready;
-     int n_ready, clock_var;
+     int n_ready, clock_var ATTRIBUTE_UNUSED;
 {
   rtx *e_ready = ready + n_ready - 1;
   rtx *insnp;
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index ee78735..5640b66 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -2371,8 +2371,8 @@ do { long l;						\
    programs that are not linked with aux-output.o.  */
 
 #define DEBUG_PRINT_REG(X, CODE, FILE)			\
-  do { static char *hi_name[] = HI_REGISTER_NAMES;	\
-       static char *qi_name[] = QI_REGISTER_NAMES;	\
+  do { static const char * const hi_name[] = HI_REGISTER_NAMES;	\
+       static const char * const qi_name[] = QI_REGISTER_NAMES;	\
        fprintf (FILE, "%d ", REGNO (X));		\
        if (REGNO (X) == FLAGS_REG)			\
 	 { fputs ("flags", FILE); break; }		\