diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/src/atomic.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/sh/src/atomic.c b/arch/sh/src/atomic.c index d29b0538..13395673 100644 --- a/arch/sh/src/atomic.c +++ b/arch/sh/src/atomic.c @@ -1,7 +1,7 @@ #include "libc.h" #define LLSC_CLOBBERS "r0", "t", "memory" -#define LLSC_START(mem) \ +#define LLSC_START(mem) "synco\n" \ "0: movli.l @" mem ", r0\n" #define LLSC_END(mem) \ "1: movco.l r0, @" mem "\n" \ @@ -99,6 +99,7 @@ void __sh_store(volatile int *p, int x) { if (__hwcap & CPU_HAS_LLSC) { __asm__ __volatile__( + " synco\n" " mov.l %1, @%0\n" " synco\n" : : "r"(p), "r"(x) : "memory"); |