build libgcc with older version of compiler and add install script

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/thumb.c b/gcc/thumb.c
index 0310a51..a513436 100755
--- a/gcc/thumb.c
+++ b/gcc/thumb.c
@@ -1512,6 +1512,7 @@ arm_valid_machine_decl_attribute(tree decl, tree attributes, tree attr, tree arg
 int
 s_register_operand(rtx op, enum machine_mode mode)
 {
+#ifndef OLD_COMPILER
     if (GET_MODE(op) != mode && mode != VOIDmode)
         return 0;
 
@@ -1524,4 +1525,7 @@ s_register_operand(rtx op, enum machine_mode mode)
     return (GET_CODE(op) == REG
             && (REGNO(op) >= FIRST_PSEUDO_REGISTER
                 || REGNO_REG_CLASS(REGNO(op)) != NO_REGS));
+#else
+    return register_operand(op, mode);
+#endif
 }