rs6000.c (current_file_function_operand): Return zero for weak functions.

        * rs6000.c (current_file_function_operand): Return zero for
        weak functions.
        (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
        weak symbols.
        * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
        for weak symbols.

From-SVN: r28527

gcc/ChangeLog

+Thu Aug  5 01:14:13 1999  Daniel Jacobowitz <drow@false.org>
+
+	* rs6000.c (current_file_function_operand): Return zero for
+	weak functions.
+	(rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
+	weak symbols.
+	* rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
+	for weak symbols.
+
 Thu Aug  5 00:56:30 1999  Geoffrey Keating   <geoffk@cygnus.com>
 
 	* rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always

gcc/config/rs6000/rs6000.c

@@ -1117,7 +1117,7 @@ call_operand (op, mode)
 
 
 /* Return 1 if the operand is a SYMBOL_REF for a function known to be in
-   this file.  */
+   this file and the function is not weakly defined. */
 
 int
 current_file_function_operand (op, mode)
@@ -1126,7 +1126,8 @@ current_file_function_operand (op, mode)
 {
   return (GET_CODE (op) == SYMBOL_REF
 	  && (SYMBOL_REF_FLAG (op)
-	      || op == XEXP (DECL_RTL (current_function_decl), 0)));
+	      || (op == XEXP (DECL_RTL (current_function_decl), 0)
+	          && !DECL_WEAK (current_function_decl))));
 }
 
 
@@ -5900,7 +5901,8 @@ rs6000_encode_section_info (decl)
   if (TREE_CODE (decl) == FUNCTION_DECL)
     {
       rtx sym_ref = XEXP (DECL_RTL (decl), 0);
-      if (TREE_ASM_WRITTEN (decl) || ! TREE_PUBLIC (decl))
+      if ((TREE_ASM_WRITTEN (decl) || ! TREE_PUBLIC (decl))
+          && !DECL_WEAK (decl))
 	SYMBOL_REF_FLAG (sym_ref) = 1;
 
       if (DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_NT)

gcc/config/rs6000/rs6000.h

@@ -2555,11 +2555,12 @@ extern int rs6000_trunc_used;
 /* If we are referencing a function that is static or is known to be
    in this file, make the SYMBOL_REF special.  We can use this to indicate
    that we can branch to this function without emitting a no-op after the
-   call.  */
+   call.  Do not set this flag if the function is weakly defined. */
 
 #define ENCODE_SECTION_INFO(DECL)  \
   if (TREE_CODE (DECL) == FUNCTION_DECL			\
-      && (TREE_ASM_WRITTEN (DECL) || ! TREE_PUBLIC (DECL))) \
+      && (TREE_ASM_WRITTEN (DECL) || ! TREE_PUBLIC (DECL)) \
+      && !DECL_WEAK (DECL)) \
     SYMBOL_REF_FLAG (XEXP (DECL_RTL (DECL), 0)) = 1;
 
 /* Indicate that jump tables go in the text section.  */