rs6000.md (indirect_jump): Prefer CTR over LR.

        * rs6000.md (indirect_jump): Prefer CTR over LR.
        * xcoff.h (ASM_DECLARE_FUNCTION_NAME): Handle weak function.

From-SVN: r48315

gcc/ChangeLog

+2001-12-26  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000.md (indirect_jump): Prefer CTR over LR.
+	* xcoff.h (ASM_DECLARE_FUNCTION_NAME): Handle weak function.
+
 Tue Dec 25 12:04:47 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* dwarf2out.c: Reformatting and minor code rearrangement.

gcc/config/rs6000/rs6000.md

@@ -13030,15 +13030,19 @@
 }")
 
 (define_insn "indirect_jumpsi"
-  [(set (pc) (match_operand:SI 0 "register_operand" "cl"))]
+  [(set (pc) (match_operand:SI 0 "register_operand" "c,*l"))]
   "TARGET_32BIT"
-  "b%T0"
+  "@
+   bctr
+   {br|blr}"
   [(set_attr "type" "jmpreg")])
 
 (define_insn "indirect_jumpdi"
-  [(set (pc) (match_operand:DI 0 "register_operand" "cl"))]
+  [(set (pc) (match_operand:DI 0 "register_operand" "c,*l"))]
   "TARGET_64BIT"
-  "b%T0"
+  "@
+   bctr
+   blr"
   [(set_attr "type" "jmpreg")])
 
 ;; Table jump for switch statements:

gcc/config/rs6000/xcoff.h

@@ -345,9 +345,18 @@ toc_section ()						\
     SYMBOL_REF_FLAG (sym_ref) = 1;				\
   if (TREE_PUBLIC (DECL))					\
     {								\
-      fputs ("\t.globl .", FILE);				\
-      RS6000_OUTPUT_BASENAME (FILE, NAME);			\
-      putc ('\n', FILE);					\
+      if (RS6000_WEAK && DECL_WEAK (decl))			\
+	{							\
+	  fputs ("\t.weak .", FILE);				\
+	  RS6000_OUTPUT_BASENAME (FILE, NAME);			\
+	  putc ('\n', FILE);					\
+	}							\
+      else							\
+	{							\
+	  fputs ("\t.globl .", FILE);				\
+	  RS6000_OUTPUT_BASENAME (FILE, NAME);			\
+	  putc ('\n', FILE);					\
+	}							\
     }								\
   else								\
     {								\