aarch64.c (aarch64_mangle_type): New function.

gcc/

2012-12-05  Yufeng Zhang  <yufeng.zhang@arm.com>

	* config/aarch64/aarch64.c (aarch64_mangle_type): New function.
	(TARGET_MANGLE_TYPE): Define.

gcc/testsuite/

2012-12-05  Yufeng Zhang  <yufeng.zhang@arm.com>

	* g++.dg/abi/arm_va_list.C: Also test on aarch64*-*-*.

From-SVN: r194200

gcc/ChangeLog

+2012-12-05  Yufeng Zhang  <yufeng.zhang@arm.com>
+
+	* config/aarch64/aarch64.c (aarch64_mangle_type): New function.
+	(TARGET_MANGLE_TYPE): Define.
+
 2012-12-05  James Greenhalgh  <james.greenhalgh@arm.com>
 
 	* config/aarch64/aarch64-builtins.c

gcc/config/aarch64/aarch64.c

@@ -5862,6 +5862,20 @@ aarch64_preferred_simd_mode (enum machine_mode mode)
   return word_mode;
 }
 
+/* Implement TARGET_MANGLE_TYPE.  */
+
+const char *
+aarch64_mangle_type (const_tree type)
+{
+  /* The AArch64 ABI documents say that "__va_list" has to be
+     managled as if it is in the "std" namespace.  */
+  if (lang_hooks.types_compatible_p (CONST_CAST_TREE (type), va_list_type))
+    return "St9__va_list";
+
+  /* Use the default mangling.  */
+  return NULL;
+}
+
 /* Return the equivalent letter for size.  */
 static unsigned char
 sizetochar (int size)
@@ -6815,6 +6829,9 @@ aarch64_c_mode_for_suffix (char suffix)
 #undef TARGET_LIBGCC_CMP_RETURN_MODE
 #define TARGET_LIBGCC_CMP_RETURN_MODE aarch64_libgcc_cmp_return_mode
 
+#undef TARGET_MANGLE_TYPE
+#define TARGET_MANGLE_TYPE aarch64_mangle_type
+
 #undef TARGET_MEMORY_MOVE_COST
 #define TARGET_MEMORY_MOVE_COST aarch64_memory_move_cost
 

gcc/testsuite/ChangeLog

+2012-12-05  Yufeng Zhang  <yufeng.zhang@arm.com>
+
+	* g++.dg/abi/arm_va_list.C: Also test on aarch64*-*-*.
+
 2012-12-05  James Greenhalgh  <james.greenhalgh@arm.com>
 
 	* gcc.dg/vect/vect-rounding-btrunc.c: New test.

gcc/testsuite/g++.dg/abi/arm_va_list.C

-// { dg-do compile }
+// { dg-do compile { target { aarch64*-*-* arm*-*-* } } }
 // { dg-options "-Wno-abi" }
-// { dg-require-effective-target arm_eabi }
+// { dg-require-effective-target arm_eabi { target arm*-*-* } }
 
 // AAPCS \S 7.1.4 requires that va_list be a typedef for "struct
 // __va_list".  The mangling is as if it were "std::__va_list".
+// AAPCS64 \S 7.1.4 has the same requirement for AArch64 targets.
 // #include <stdarg.h>
 typedef __builtin_va_list va_list;