diff options
Diffstat (limited to 'stage3/def.h')
| -rw-r--r-- | stage3/def.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/stage3/def.h b/stage3/def.h index 1da628e..f125a01 100644 --- a/stage3/def.h +++ b/stage3/def.h @@ -32,4 +32,7 @@ typedef struct { #define S(x) ((str) { sizeof (x) - 1, (x) }) #define NILS ((str) { 0, nil }) +#define BARRIER_VAR(var) asm volatile(""::"m"(var)) +#define BARRIER() asm volatile("":::"memory") + #endif |