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

[pf3gnuchains/gcc-fork.git] / gcc / cfganal.c

diff --git a/gcc/cfganal.c b/gcc/cfganal.c
index a57b25a..46c4758 100644 (file)
--- a/gcc/cfganal.c
+++ b/gcc/cfganal.c
@@ -25,9 +25,11 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "rtl.h"
 #include "hard-reg-set.h"
 #include "basic-block.h"
+#include "insn-config.h"
+#include "recog.h"
 #include "toplev.h"
-
 #include "obstack.h"
+#include "tm_p.h"
 
 /* Store the data structures necessary for depth-first search.  */
 struct depth_first_search_dsS {
@@ -53,7 +55,6 @@ static void flow_dfs_compute_reverse_finish
   PARAMS ((depth_first_search_ds));
 static void remove_fake_successors     PARAMS ((basic_block));
 static bool need_fake_edge_p           PARAMS ((rtx));
-static bool keep_with_call_p           PARAMS ((rtx));
 \f
 /* Return true if the block has no effect and only forwards control flow to
    its single destination.  */
@@ -210,29 +211,6 @@ need_fake_edge_p (insn)
          || GET_CODE (PATTERN (insn)) == ASM_INPUT);
 }
 
-/* Return true if INSN should be kept in the same block as a preceding call.
-   This is done for a single-set whose destination is a fixed register or
-   whose source is the function return value.  This is a helper function for
-   flow_call_edges_add.  */
-
-static bool
-keep_with_call_p (insn)
-     rtx insn;
-{
-  rtx set;
-
-  if (INSN_P (insn) && (set = single_set (insn)) != NULL)
-    {
-      if (GET_CODE (SET_DEST (set)) == REG
-         && fixed_regs[REGNO (SET_DEST (set))])
-       return true;
-      if (GET_CODE (SET_SRC (set)) == REG
-         && REG_FUNCTION_VALUE_P (SET_SRC (set)))
-       return true;
-    }
-  return false;
-}
-
 /* Add fake edges to the function exit for any non constant and non noreturn
    calls, volatile inline assembly in the bitmap of blocks specified by
    BLOCKS or to the whole CFG if BLOCKS is zero.  Return the number of blocks