install.texi: document language-specific check- shortcuts

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

diff --git a/gcc/df.h b/gcc/df.h
index f268289..f59b525 100644 (file)
--- a/gcc/df.h
+++ b/gcc/df.h
@@ -53,7 +53,7 @@ union df_ref_d;
 #define DF_RD      3      /* Reaching Defs. */
 #define DF_CHAIN   4      /* Def-Use and/or Use-Def Chains. */
 #define DF_WORD_LR 5      /* Subreg tracking lr.  */
-#define DF_NOTE    6      /* REG_DEF and REG_UNUSED notes. */
+#define DF_NOTE    6      /* REG_DEAD and REG_UNUSED notes.  */
 #define DF_MD      7      /* Multiple Definitions. */
 
 #define DF_LAST_PROBLEM_PLUS1 (DF_MD + 1)
@@ -970,7 +970,9 @@ extern void df_simulate_one_insn_backwards (basic_block, rtx, bitmap);
 extern void df_simulate_finalize_backwards (basic_block, bitmap);
 extern void df_simulate_initialize_forwards (basic_block, bitmap);
 extern void df_simulate_one_insn_forwards (basic_block, rtx, bitmap);
-
+extern void simulate_backwards_to_point (basic_block, regset, rtx);
+extern bool can_move_insns_across (rtx, rtx, rtx, rtx, basic_block, regset,
+                                  regset, rtx *);
 /* Functions defined in df-scan.c.  */
 
 extern void df_scan_alloc (bitmap);
@@ -980,6 +982,7 @@ extern void df_grow_insn_info (void);
 extern void df_scan_blocks (void);
 extern df_ref df_ref_create (rtx, rtx *, rtx,basic_block,
                             enum df_ref_type, int ref_flags);
+extern void df_uses_create (rtx *, rtx, int);
 extern void df_ref_remove (df_ref);
 extern struct df_insn_info * df_insn_create_insn_record (rtx);
 extern void df_insn_delete (basic_block, unsigned int);