pa.c (singlemove_string): Use zdepi and ldil to load constants into registers when...

[gcc.git] / gcc / loop.h

diff --git a/gcc/loop.h b/gcc/loop.h
index f57b4c9a187f6967f9b2835d03557cdbcb397142..bb219c32d210b72f6ae9f41b196ac372b11398f7 100644 (file)
--- a/gcc/loop.h
+++ b/gcc/loop.h
@@ -100,7 +100,7 @@ struct induction
   struct induction *same;      /* If this giv has been combined with another
                                   giv, this points to the base giv.  The base
                                   giv will have COMBINED_WITH non-zero.  */
-  int const_adjust;            /* Used by loop unrolling, when an address giv
+  HOST_WIDE_INT const_adjust;  /* Used by loop unrolling, when an address giv
                                   is split, and a constant is eliminated from
                                   the address, the -constant is stored here
                                   for later use. */
@@ -141,7 +141,7 @@ extern int max_uid_for_loop;
 extern int *uid_loop_num;
 extern int *loop_outer_loop;
 extern rtx *loop_number_exit_labels;
-extern unsigned long loop_n_iterations;
+extern unsigned HOST_WIDE_INT loop_n_iterations;
 extern int max_reg_before_loop;
 
 extern FILE *loop_dump_stream;
@@ -153,23 +153,17 @@ extern struct iv_class *loop_iv_list;
 
 /* Forward declarations for non-static functions declared in loop.c and
    unroll.c.  */
-int invariant_p ();
-rtx get_condition_for_loop ();
-void emit_iv_add_mult ();
-
-/* Variables declared in stmt.c but also needed in loop.c.  */
-
-extern union tree_node **loop_number_first_block;
-extern union tree_node **loop_number_last_block;
-extern int *loop_number_block_level;
+int invariant_p PROTO((rtx));
+rtx get_condition_for_loop PROTO((rtx));
+void emit_iv_add_mult PROTO((rtx, rtx, rtx, rtx, rtx));
 
 /* Forward declarations for non-static functions declared in stmt.c.  */
-void find_loop_tree_blocks ();
-void unroll_block_trees ();
-
-void unroll_loop ();
-rtx biv_total_increment ();
-unsigned long loop_iterations ();
-rtx final_biv_value ();
-rtx final_giv_value ();
-void emit_unrolled_add ();
+void find_loop_tree_blocks PROTO((void));
+void unroll_block_trees PROTO((void));
+
+void unroll_loop PROTO((rtx, int, rtx, rtx, int));
+rtx biv_total_increment PROTO((struct iv_class *, rtx, rtx));
+unsigned HOST_WIDE_INT loop_iterations PROTO((rtx, rtx));
+rtx final_biv_value PROTO((struct iv_class *, rtx, rtx));
+rtx final_giv_value PROTO((struct induction *, rtx, rtx));
+void emit_unrolled_add PROTO((rtx, rtx, rtx));