Cc: Richard Earnshaw <richard.earns...@arm.com>
Cc: Ramana Radhakrishnan <ramana.radhakrish...@arm.com>
---
gcc/config/arm/arm.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 6ef6f62..abf8ce1 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -1096,6 +1096,10 @@ arm_set_fixed_conv_libfunc (convert_optab optable, enum
machine_mode to,
static void
arm_init_libfuncs (void)
{
+ /* For Linux, we have access to kernel support for atomic operations. */
+ if (arm_abi == ARM_ABI_AAPCS_LINUX)
+ init_sync_libfuncs (8);
+
/* There are no special library functions unless we are using the
ARM BPABI. */
if (!TARGET_BPABI)
--
1.7.6.4
