Cc: Kaz Kojima <kkoj...@gcc.gnu.org>
---
gcc/config/sh/linux.h | 4 ++++
gcc/config/sh/sh.c | 8 ++++++++
2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/gcc/config/sh/linux.h b/gcc/config/sh/linux.h
index edfd99b..7a75341 100644
--- a/gcc/config/sh/linux.h
+++ b/gcc/config/sh/linux.h
@@ -131,3 +131,7 @@ along with GCC; see the file COPYING3. If not see
#define SH_DIV_STRATEGY_DEFAULT SH_DIV_CALL2
#undef SH_DIV_STR_FOR_SIZE
#define SH_DIV_STR_FOR_SIZE "call2"
+
+/* Install the __sync libcalls. */
+#undef TARGET_INIT_LIBFUNCS
+#define TARGET_INIT_LIBFUNCS sh_init_sync_libfuncs
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index 03c3c48..2545a63 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -302,6 +302,8 @@ static void sh_trampoline_init (rtx, tree, rtx);
static rtx sh_trampoline_adjust_address (rtx);
static void sh_conditional_register_usage (void);
static bool sh_legitimate_constant_p (enum machine_mode, rtx);
+
+static void sh_init_sync_libfuncs (void) ATTRIBUTE_UNUSED;
static const struct attribute_spec sh_attribute_table[] =
{
@@ -12499,4 +12501,10 @@ sh_legitimate_constant_p (enum machine_mode mode, rtx
x)
enum sh_divide_strategy_e sh_div_strategy = SH_DIV_STRATEGY_DEFAULT;
+static void
+sh_init_sync_libfuncs (void)
+{
+ init_sync_libfuncs (UNITS_PER_WORD);
+}
+
#include "gt-sh.h"
--
1.7.6.4
