* configure.in: Add *-*-freebsd* configurations.

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

diff --git a/gcc/df.h b/gcc/df.h
index 89c6288..7f4e4be 100644 (file)
--- a/gcc/df.h
+++ b/gcc/df.h
@@ -48,17 +48,21 @@ struct df_link
   struct ref *ref;
 };
 
+enum df_ref_flags
+  {
+    DF_REF_READ_WRITE = 1
+  };
 
 /* Define a register reference structure.  */
 struct ref
 {
   rtx reg;                     /* The register referenced.  */
-  basic_block bb;              /* BB containing ref.  */
   rtx insn;                    /* Insn containing ref.  */
   rtx *loc;                    /* Loc is the location of the reg.  */
   struct df_link *chain;       /* Head of def-use or use-def chain.  */
   enum df_ref_type type;       /* Type of ref.  */
   int id;                      /* Ref index.  */
+  enum df_ref_flags flags;     /* Various flags.  */
 };
 
 
@@ -170,13 +174,14 @@ struct df_map
 #define DF_REF_REG(REF) ((REF)->reg)
 #define DF_REF_LOC(REF) ((REF)->loc)
 #endif
-#define DF_REF_BB(REF) ((REF)->bb)
-#define DF_REF_BBNO(REF) ((REF)->bb->index)
+#define DF_REF_BB(REF) (BLOCK_FOR_INSN ((REF)->insn))
+#define DF_REF_BBNO(REF) (BLOCK_FOR_INSN ((REF)->insn)->index)
 #define DF_REF_INSN(REF) ((REF)->insn)
 #define DF_REF_INSN_UID(REF) (INSN_UID ((REF)->insn))
 #define DF_REF_TYPE(REF) ((REF)->type)
 #define DF_REF_CHAIN(REF) ((REF)->chain)
 #define DF_REF_ID(REF) ((REF)->id)
+#define DF_REF_FLAGS(REF) ((REF)->flags)
 
 /* Macros to determine the reference type.  */
 
@@ -312,10 +317,10 @@ enum df_flow_dir
     BACKWARD
   };
 
-typedef void (*transfer_function_sbitmap) (int, int *, sbitmap, sbitmap, 
-                                          sbitmap, sbitmap, void *);
-typedef void (*transfer_function_bitmap) (int, int *, bitmap, bitmap,
-                                         bitmap, bitmap, void *);
+typedef void (*transfer_function_sbitmap) PARAMS ((int, int *, sbitmap, sbitmap, 
+                                          sbitmap, sbitmap, void *));
+typedef void (*transfer_function_bitmap) PARAMS ((int, int *, bitmap, bitmap,
+                                         bitmap, bitmap, void *));
 
 extern void iterative_dataflow_sbitmap PARAMS ((sbitmap *, sbitmap *, 
                                                sbitmap *, sbitmap *,