build libgcc with older version of compiler and add install script

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/loop.c b/gcc/loop.c
index 17bf814..10ba3ed 100755
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -7634,8 +7634,12 @@ check_dbra_loop (loop_end, insn_count, loop_start, loop_info)
 	    }
 	}
     }
+#ifndef OLD_COMPILER
   else if (GET_CODE (bl->biv->add_val) == CONST_INT
   && INTVAL (bl->biv->add_val) > 0)
+#else
+  else if (INTVAL (bl->biv->add_val) > 0)
+#endif
     {
       /* Try to change inc to dec, so can apply above optimization.  */
       /* Can do this if: