* config/spu/spu.c (cpat_info): Fix an incorrectly identified case.

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

diff --git a/gcc/targhooks.c b/gcc/targhooks.c
index f6289c8..e7bdf0b 100644 (file)
--- a/gcc/targhooks.c
+++ b/gcc/targhooks.c
@@ -156,6 +156,15 @@ default_min_divisions_for_recip_mul (enum machine_mode mode ATTRIBUTE_UNUSED)
   return have_insn_for (DIV, mode) ? 3 : 2;
 }
 
+/* The default implementation of TARGET_MODE_REP_EXTENDED.  */
+
+int
+default_mode_rep_extended (enum machine_mode mode ATTRIBUTE_UNUSED,
+                          enum machine_mode mode_rep ATTRIBUTE_UNUSED)
+{
+  return UNKNOWN;
+}
+
 /* Generic hook that takes a CUMULATIVE_ARGS pointer and returns true.  */
 
 bool
@@ -310,6 +319,15 @@ default_invalid_within_doloop (rtx insn)
   return NULL;
 }
 
+/* Mapping of builtin functions to vectorized variants.  */
+
+tree
+default_builtin_vectorized_function (enum built_in_function fn ATTRIBUTE_UNUSED,
+                                    tree type ATTRIBUTE_UNUSED)
+{
+  return NULL_TREE;
+}
+
 bool
 hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false (
        CUMULATIVE_ARGS *ca ATTRIBUTE_UNUSED,
@@ -398,6 +416,8 @@ default_external_stack_protect_fail (void)
       TREE_NOTHROW (t) = 1;
       DECL_ARTIFICIAL (t) = 1;
       DECL_IGNORED_P (t) = 1;
+      DECL_VISIBILITY (t) = VISIBILITY_DEFAULT;
+      DECL_VISIBILITY_SPECIFIED (t) = 1;
 
       stack_chk_fail_decl = t;
     }
@@ -570,4 +590,18 @@ default_secondary_reload (bool in_p ATTRIBUTE_UNUSED, rtx x ATTRIBUTE_UNUSED,
   return class;
 }
 
+
+/* If STRICT_ALIGNMENT is true we use the container type for accessing
+   volatile bitfields.  This is generally the preferred behavior for memory
+   mapped peripherals on RISC architectures.
+   If STRICT_ALIGNMENT is false we use the narrowest type possible.  This
+   is typically used to avoid spurious page faults and extra memory accesses
+   due to unaligned accesses on CISC architectures.  */
+
+bool
+default_narrow_bitfield (void)
+{
+  return !STRICT_ALIGNMENT;
+}
+
 #include "gt-targhooks.h"