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Unified Diff: third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_x86_gcc.h

Issue 2756543002: Statically link libprotobuf_lite on Linux component builds (Closed)
Patch Set: Extract all global data to globals.cc Created 3 years, 9 months ago
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Index: third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_x86_gcc.h
diff --git a/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_x86_gcc.h b/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_x86_gcc.h
index edccc59dee615465b2f8982df61771b22db5aae0..516f2b0640cb9d449c990697cbc84ab8e1d18ec1 100644
--- a/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_x86_gcc.h
+++ b/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_x86_gcc.h
@@ -46,7 +46,9 @@ struct AtomicOps_x86CPUFeatureStruct {
// after acquire compare-and-swap.
bool has_sse2; // Processor has SSE2.
};
-extern struct AtomicOps_x86CPUFeatureStruct AtomicOps_Internalx86CPUFeatures;
+extern struct AtomicOps_x86CPUFeatureStruct cr_AtomicOps_Internalx86CPUFeatures;
+
+void AtomicOps_Internalx86CPUFeaturesInit();
#define ATOMICOPS_COMPILER_BARRIER() __asm__ __volatile__("" : : : "memory")
@@ -89,7 +91,7 @@ inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
: "+r" (temp), "+m" (*ptr)
: : "memory");
// temp now holds the old value of *ptr
- if (AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
+ if (cr_AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
__asm__ __volatile__("lfence" : : : "memory");
}
return temp + increment;
@@ -99,7 +101,7 @@ inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
Atomic32 old_value,
Atomic32 new_value) {
Atomic32 x = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
- if (AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
+ if (cr_AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
__asm__ __volatile__("lfence" : : : "memory");
}
return x;
@@ -131,7 +133,7 @@ inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
#else
inline void MemoryBarrier() {
- if (AtomicOps_Internalx86CPUFeatures.has_sse2) {
+ if (cr_AtomicOps_Internalx86CPUFeatures.has_sse2) {
__asm__ __volatile__("mfence" : : : "memory");
} else { // mfence is faster but not present on PIII
Atomic32 x = 0;
@@ -140,7 +142,7 @@ inline void MemoryBarrier() {
}
inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
- if (AtomicOps_Internalx86CPUFeatures.has_sse2) {
+ if (cr_AtomicOps_Internalx86CPUFeatures.has_sse2) {
*ptr = value;
__asm__ __volatile__("mfence" : : : "memory");
} else {
@@ -213,7 +215,7 @@ inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr,
: "+r" (temp), "+m" (*ptr)
: : "memory");
// temp now contains the previous value of *ptr
- if (AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
+ if (cr_AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
__asm__ __volatile__("lfence" : : : "memory");
}
return temp + increment;
@@ -270,7 +272,7 @@ inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
Atomic64 old_value,
Atomic64 new_value) {
Atomic64 x = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
- if (AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
+ if (cr_AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
__asm__ __volatile__("lfence" : : : "memory");
}
return x;

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