Fix typo...

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

diff --git a/gcc/targhooks.c b/gcc/targhooks.c
index 45942a2..a12d6b5 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
@@ -572,4 +581,18 @@ 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"