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--- a/sysdeps/arc/atomic-machine.h
+++ b/sysdeps/arc/atomic-machine.h
@@ -64,6 +64,10 @@ typedef uintmax_t uatomic_max_t;
__atomic_val_bysize (__arch_compare_and_exchange_val, int, \
mem, new, old, __ATOMIC_ACQUIRE)
+#ifdef __ARC700__
+#define atomic_full_barrier() ({ asm volatile ("sync":::"memory"); })
+#else
#define atomic_full_barrier() ({ asm volatile ("dmb 3":::"memory"); })
+#endif
#endif /* _ARC_BITS_ATOMIC_H */
--- a/sysdeps/unix/sysv/linux/arc/syscall.S
+++ b/sysdeps/unix/sysv/linux/arc/syscall.S
@@ -24,8 +24,13 @@ ENTRY (syscall)
mov_s r1, r2
mov_s r2, r3
mov_s r3, r4
+#ifdef __ARC700__
+ mov r4, r5
+ mov r5, r6
+#else
mov_s r4, r5
mov_s r5, r6
+#endif
ARC_TRAP_INSN
brhi r0, -4096, L (call_syscall_err)
--- a/sysdeps/unix/sysv/linux/arc/sysdep.h
+++ b/sysdeps/unix/sysv/linux/arc/sysdep.h
@@ -128,7 +128,11 @@ L (call_syscall_err): ASM_LINE_SEP \
mov r8, __NR_##syscall_name ASM_LINE_SEP \
ARC_TRAP_INSN ASM_LINE_SEP
+# ifdef __ARC700__
+# define ARC_TRAP_INSN trap0
+# else
# define ARC_TRAP_INSN trap_s 0
+# endif
#else /* !__ASSEMBLER__ */
@@ -139,7 +143,11 @@ extern long int __syscall_error (long in
hidden_proto (__syscall_error)
# endif
+# ifdef __ARC700__
+# define ARC_TRAP_INSN "trap0 \n\t"
+# else
# define ARC_TRAP_INSN "trap_s 0 \n\t"
+#endif
# undef INTERNAL_SYSCALL_NCS
# define INTERNAL_SYSCALL_NCS(number, nr_args, args...) \
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