Remove yet-unused 64-bit atomic hooks.
For now, I think we'll just be using sk_atomic_inc on 64-bit values, so
let's cut out the dead code for now.
NOTREECHECKS=true
BUG=skia:
R=bsalomon@google.com
Review URL: https://codereview.chromium.org/398003004
diff --git a/include/core/SkThread.h b/include/core/SkThread.h
index 403b288..c8f13a7 100644
--- a/include/core/SkThread.h
+++ b/include/core/SkThread.h
@@ -22,20 +22,17 @@
* No additional memory barrier is required; this must act as a compiler barrier.
*/
static int32_t sk_atomic_add(int32_t* addr, int32_t inc);
-static int64_t sk_atomic_add(int64_t* addr, int64_t inc);
/** Atomically subtracts one from the int referenced by addr and returns the previous value.
* This must act as a release (SL/S) memory barrier and as a compiler barrier.
*/
static int32_t sk_atomic_dec(int32_t* addr);
-static int64_t sk_atomic_dec(int64_t* addr);
/** Atomic compare and set.
* If *addr == before, set *addr to after and return true, otherwise return false.
* This must act as a release (SL/S) memory barrier and as a compiler barrier.
*/
static bool sk_atomic_cas(int32_t* addr, int32_t before, int32_t after);
-static bool sk_atomic_cas(int64_t* addr, int64_t before, int64_t after);
/** If sk_atomic_dec does not act as an acquire (L/SL) barrier,
* this must act as an acquire (L/SL) memory barrier and as a compiler barrier.
diff --git a/src/ports/SkAtomics_sync.h b/src/ports/SkAtomics_sync.h
index 8135ae2..ed9e3d1 100644
--- a/src/ports/SkAtomics_sync.h
+++ b/src/ports/SkAtomics_sync.h
@@ -24,18 +24,10 @@
return __sync_fetch_and_add(addr, inc);
}
-static inline __attribute__((always_inline)) int64_t sk_atomic_add(int64_t* addr, int64_t inc) {
- return __sync_fetch_and_add(addr, inc);
-}
-
static inline __attribute__((always_inline)) int32_t sk_atomic_dec(int32_t* addr) {
return __sync_fetch_and_add(addr, -1);
}
-static inline __attribute__((always_inline)) int64_t sk_atomic_dec(int64_t* addr) {
- return __sync_fetch_and_add(addr, -1);
-}
-
static inline __attribute__((always_inline)) void sk_membar_acquire__after_atomic_dec() { }
static inline __attribute__((always_inline)) bool sk_atomic_cas(int32_t* addr,
@@ -44,12 +36,6 @@
return __sync_bool_compare_and_swap(addr, before, after);
}
-static inline __attribute__((always_inline)) bool sk_atomic_cas(int64_t* addr,
- int64_t before,
- int64_t after) {
- return __sync_bool_compare_and_swap(addr, before, after);
-}
-
static inline __attribute__((always_inline)) void* sk_atomic_cas(void** addr,
void* before,
void* after) {
diff --git a/src/ports/SkAtomics_win.h b/src/ports/SkAtomics_win.h
index 4b344dd..a1876d2 100644
--- a/src/ports/SkAtomics_win.h
+++ b/src/ports/SkAtomics_win.h
@@ -34,30 +34,17 @@
return _InterlockedExchangeAdd(reinterpret_cast<long*>(addr), static_cast<long>(inc));
}
-static inline int64_t sk_atomic_add(int64_t* addr, int64_t inc) {
- return InterlockedExchangeAdd64(addr, inc);
-}
-
static inline int32_t sk_atomic_dec(int32_t* addr) {
// InterlockedDecrement returns the new value, we want to return the old.
return _InterlockedDecrement(reinterpret_cast<long*>(addr)) + 1;
}
-static inline int64_t sk_atomic_dec(int64_t* addr) {
- // InterlockedDecrement returns the new value, we want to return the old.
- return InterlockedDecrement64(addr) + 1;
-}
-
static inline void sk_membar_acquire__after_atomic_dec() { }
static inline bool sk_atomic_cas(int32_t* addr, int32_t before, int32_t after) {
return _InterlockedCompareExchange(reinterpret_cast<long*>(addr), after, before) == before;
}
-static inline bool sk_atomic_cas(int64_t* addr, int64_t before, int64_t after) {
- return _InterlockedCompareExchange64(addr, after, before) == before;
-}
-
static inline void* sk_atomic_cas(void** addr, void* before, void* after) {
return InterlockedCompareExchangePointer(addr, after, before);
}