diff options
Diffstat (limited to 'src/pkg/runtime/lfstack.c')
| -rw-r--r-- | src/pkg/runtime/lfstack.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/pkg/runtime/lfstack.c b/src/pkg/runtime/lfstack.c index 140384d3dc..e94f360c24 100644 --- a/src/pkg/runtime/lfstack.c +++ b/src/pkg/runtime/lfstack.c @@ -17,6 +17,20 @@ #define PTR_MASK ((1ull<<PTR_BITS)-1) #define CNT_MASK (0ull-1) +#ifdef _64BIT +#ifdef GOOS_solaris +// SPARC64 and Solaris on AMD64 uses all 64 bits of virtual addresses. +// Use low-order three bits as ABA counter. +// http://docs.oracle.com/cd/E19120-01/open.solaris/816-5138/6mba6ua5p/index.html +#undef PTR_BITS +#undef CNT_MASK +#undef PTR_MASK +#define PTR_BITS 0 +#define CNT_MASK 7 +#define PTR_MASK ((0ull-1)<<3) +#endif +#endif + void runtime·lfstackpush(uint64 *head, LFNode *node) { |