toplev.c (rest_of_compilation): Run shorten-branches before reg-stack for now.

        * toplev.c (rest_of_compilation): Run shorten-branches before
        reg-stack for now.

From-SVN: r31224

gcc/ChangeLog

+Tue Jan  4 22:30:16 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* toplev.c (rest_of_compilation): Run shorten-branches before
+	reg-stack for now.
+
 2000-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 
 	* config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of 

gcc/toplev.c

@@ -3572,6 +3572,15 @@ rest_of_compilation (decl)
      ggc_collect ();
 #endif
 
+  /* Shorten branches. 
+
+     Note this must run before reg-stack because of death note (ab)use
+     in the ia32 backend.  */
+  TIMEVAR (shorten_branch_time,
+	   {
+	     shorten_branches (get_insns ());
+	   });
+
 #ifdef STACK_REGS
   if (stack_reg_dump)
     open_dump_file (".20.stack", decl_printable_name (decl, 2));
@@ -3589,12 +3598,6 @@ rest_of_compilation (decl)
      ggc_collect ();
 #endif
 
-  /* Shorten branches.  */
-  TIMEVAR (shorten_branch_time,
-	   {
-	     shorten_branches (get_insns ());
-	   });
-
   /* Now turn the rtl into assembler code.  */
 
   TIMEVAR (final_time,