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tell compiler that non-empty hooks are unlikely

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Aliaksey Kandratsenka 2015-10-03 15:38:33 -07:00 committed by Aliaksey Kandratsenka
parent 8cc75acd1f
commit 04df911915
1 changed files with 4 additions and 2 deletions
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6
src/malloc_hook-inl.h
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@ -44,6 +44,8 @@
#include "base/basictypes.h" #include "base/basictypes.h"
#include <gperftools/malloc_hook.h> #include <gperftools/malloc_hook.h>
#include "common.h" // for UNLIKELY
namespace base { namespace internal { namespace base { namespace internal {
// Capacity of 8 means that HookList is 9 words. // Capacity of 8 means that HookList is 9 words.
@ -121,7 +123,7 @@ inline MallocHook::NewHook MallocHook::GetNewHook() {
} }
inline void MallocHook::InvokeNewHook(const void* p, size_t s) { inline void MallocHook::InvokeNewHook(const void* p, size_t s) {
if (!base::internal::new_hooks_.empty()) { if (UNLIKELY(!base::internal::new_hooks_.empty())) {
InvokeNewHookSlow(p, s); InvokeNewHookSlow(p, s);
} }
} }
@ -132,7 +134,7 @@ inline MallocHook::DeleteHook MallocHook::GetDeleteHook() {
} }
inline void MallocHook::InvokeDeleteHook(const void* p) { inline void MallocHook::InvokeDeleteHook(const void* p) {
if (!base::internal::delete_hooks_.empty()) { if (UNLIKELY(!base::internal::delete_hooks_.empty())) {
InvokeDeleteHookSlow(p); InvokeDeleteHookSlow(p);
} }
} }