* combine.c (simplify_shift_const): Calculate rotate count

[pf3gnuchains/gcc-fork.git] / gcc / ggc.h

diff --git a/gcc/ggc.h b/gcc/ggc.h
index 87a3854..0cd87f4 100644 (file)
--- a/gcc/ggc.h
+++ b/gcc/ggc.h
@@ -29,11 +29,12 @@ extern const char empty_string[];   /* empty string */
 extern const char digit_vector[];      /* "0" .. "9" */
 #define digit_string(d) (digit_vector + ((d) * 2))
 
-/* Manipulate global roots that are needed between calls to gc.  */
+/* Manipulate global roots that are needed between calls to gc.  
+   THIS ROUTINE IS OBSOLETE, do not use it for new code.  */
 extern void ggc_add_root               PARAMS ((void *base, int nelt,
                                                 int size, void (*)(void *)));
 
-/* Structures for the easy way to mark roots.  
+/* Structures for the easy way to mark roots.
    In an array, terminated by having base == NULL.*/
 struct ggc_root_tab {
   void *base;
@@ -142,7 +143,7 @@ extern void ggc_collect                     PARAMS ((void));
    pointers in this data structure should not be traversed.  */
 extern int ggc_set_mark                        PARAMS ((const void *));
 
-/* Return 1 if P has been marked, zero otherwise. 
+/* Return 1 if P has been marked, zero otherwise.
    P must have been allocated by the GC allocator; it mustn't point to
    static objects, stack variables, or memory allocated with malloc.  */
 extern int ggc_marked_p                        PARAMS ((const void *));
@@ -151,16 +152,16 @@ extern int ggc_marked_p                   PARAMS ((const void *));
 
 /* This structure contains the statistics common to all collectors.
    Particular collectors can extend this structure.  */
-typedef struct ggc_statistics 
+typedef struct ggc_statistics
 {
   /* The Ith element is the number of nodes allocated with code I.  */
   unsigned num_trees[256];
-  /* The Ith element is the number of bytes allocated by nodes with 
+  /* The Ith element is the number of bytes allocated by nodes with
      code I.  */
   size_t size_trees[256];
   /* The Ith element is the number of nodes allocated with code I.  */
   unsigned num_rtxs[256];
-  /* The Ith element is the number of bytes allocated by nodes with 
+  /* The Ith element is the number of bytes allocated by nodes with
      code I.  */
   size_t size_rtxs[256];
   /* The total size of the tree nodes allocated.  */