toplev.c (set_float_handler): Make static.

[gcc.git] / gcc / toplev.c

diff --git a/gcc/toplev.c b/gcc/toplev.c
index b69ea3f4fb539792054708fbcb42c5596a850b71..576462647049689f8ed9c41477bc9adb981f57be 100644 (file)
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -161,6 +161,7 @@ static const char *decl_name PARAMS ((tree, int));
 
 static void float_signal PARAMS ((int)) ATTRIBUTE_NORETURN;
 static void crash_signal PARAMS ((int)) ATTRIBUTE_NORETURN;
+static void set_float_handler PARAMS ((jmp_buf));
 static void compile_file PARAMS ((const char *));
 static void display_help PARAMS ((void));
 static void display_target_options PARAMS ((void));
@@ -1679,7 +1680,7 @@ float_signal (signo)
 /* Specify where to longjmp to when a floating arithmetic error happens.
    If HANDLER is 0, it means don't handle the errors any more.  */
 
-void
+static void
 set_float_handler (handler)
      jmp_buf handler;
 {
@@ -3267,6 +3268,10 @@ rest_of_compilation (decl)
       rebuild_jump_labels_after_combine
        = combine_instructions (insns, max_reg_num ());
 
+      /* Always purge dead edges, as we may eliminate an insn throwing
+         exception.  */
+      rebuild_jump_labels_after_combine |= purge_all_dead_edges ();
+
       /* Combining insns may have turned an indirect jump into a
         direct jump.  Rebuid the JUMP_LABEL fields of jumping
         instructions.  */
@@ -3277,7 +3282,6 @@ rest_of_compilation (decl)
          timevar_pop (TV_JUMP);
 
          timevar_push (TV_FLOW);
-         purge_all_dead_edges ();
          cleanup_cfg (CLEANUP_EXPENSIVE);
 
          /* Blimey.  We've got to have the CFG up to date for the call to