2006-10-03 Paul Thomas <pault@gcc.gnu.org>

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

diff --git a/gcc/except.c b/gcc/except.c
index 2e65340..b344087 100644 (file)
--- a/gcc/except.c
+++ b/gcc/except.c
@@ -1601,14 +1601,12 @@ static void
 dw2_build_landing_pads (void)
 {
   int i;
-  unsigned int j;
 
   for (i = cfun->eh->last_region_number; i > 0; --i)
     {
       struct eh_region *region;
       rtx seq;
       basic_block bb;
-      bool clobbers_hard_regs = false;
       edge e;
 
       region = VEC_index (eh_region, cfun->eh->region_array, i);
@@ -1638,30 +1636,6 @@ dw2_build_landing_pads (void)
 #endif
          { /* Nothing */ }
 
-      /* If the eh_return data registers are call-saved, then we
-        won't have considered them clobbered from the call that
-        threw.  Kill them now.  */
-      for (j = 0; ; ++j)
-       {
-         unsigned r = EH_RETURN_DATA_REGNO (j);
-         if (r == INVALID_REGNUM)
-           break;
-         if (! call_used_regs[r])
-           {
-             emit_insn (gen_rtx_CLOBBER (VOIDmode, gen_rtx_REG (Pmode, r)));
-             clobbers_hard_regs = true;
-           }
-       }
-
-      if (clobbers_hard_regs)
-       {
-         /* @@@ This is a kludge.  Not all machine descriptions define a
-            blockage insn, but we must not allow the code we just generated
-            to be reordered by scheduling.  So emit an ASM_INPUT to act as
-            blockage insn.  */
-         emit_insn (gen_rtx_ASM_INPUT (VOIDmode, ""));
-       }
-
       emit_move_insn (cfun->eh->exc_ptr,
                      gen_rtx_REG (ptr_mode, EH_RETURN_DATA_REGNO (0)));
       emit_move_insn (cfun->eh->filter,