X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Ftarghooks.c;h=da840190a2b8c691575a1bef757f2da93b9c95f9;hb=352e957ef4f7f37feae2777b343e458a53de5299;hp=00fa5024fa1a58f9ac5805765c962292ed9f817a;hpb=011d9d1639f6cdac670237f36144739b938a6c38;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/targhooks.c b/gcc/targhooks.c
index 00fa5024fa1..da840190a2b 100644
--- a/gcc/targhooks.c
+++ b/gcc/targhooks.c
@@ -499,6 +499,8 @@ default_stack_protect_guard (void)
 
   if (t == NULL)
     {
+      rtx x;
+
       t = build_decl (UNKNOWN_LOCATION,
 		      VAR_DECL, get_identifier ("__stack_chk_guard"),
 		      ptr_type_node);
@@ -510,6 +512,11 @@ default_stack_protect_guard (void)
       DECL_ARTIFICIAL (t) = 1;
       DECL_IGNORED_P (t) = 1;
 
+      /* Do not share RTL as the declaration is visible outside of
+	 current function.  */
+      x = DECL_RTL (t);
+      RTX_FLAG (x, used) = 1;
+
       stack_chk_guard_decl = t;
     }
 
@@ -619,6 +626,18 @@ default_libcall_value (enum machine_mode mode ATTRIBUTE_UNUSED,
 #endif
 }
 
+/* The default hook for TARGET_FUNCTION_VALUE_REGNO_P.  */
+
+bool
+default_function_value_regno_p (const unsigned int regno ATTRIBUTE_UNUSED)
+{
+#ifdef FUNCTION_VALUE_REGNO_P
+  return FUNCTION_VALUE_REGNO_P (regno);
+#else
+  gcc_unreachable ();
+#endif
+}
+
 rtx
 default_internal_arg_pointer (void)
 {
@@ -939,6 +958,26 @@ default_hard_regno_scratch_ok (unsigned int regno ATTRIBUTE_UNUSED)
   return true;
 }
 
+/* The default implementation of TARGET_MODE_DEPENDENT_ADDRESS_P.  */
+
+bool
+default_mode_dependent_address_p (const_rtx addr ATTRIBUTE_UNUSED)
+{
+#ifdef GO_IF_MODE_DEPENDENT_ADDRESS
+
+  GO_IF_MODE_DEPENDENT_ADDRESS (CONST_CAST_RTX (addr), win);
+  return false;
+  /* Label `win' might (not) be used via GO_IF_MODE_DEPENDENT_ADDRESS.  */
+ win: ATTRIBUTE_UNUSED_LABEL
+  return true;
+
+#else
+
+  return false;
+
+#endif
+}
+
 bool
 default_target_option_valid_attribute_p (tree ARG_UNUSED (fndecl),
 					 tree ARG_UNUSED (name),