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

Issue 1322483002: Revert https://codereview.chromium.org/1291903002 (protobuf roll). (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 4 months ago
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Index: third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_aix.h
diff --git a/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_aix.h b/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_aix.h
deleted file mode 100644
index b8a42f21f04c4b79229d71502e91919c13468dfe..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_aix.h
+++ /dev/null
@@ -1,440 +0,0 @@
-// Copyright 2014 Bloomberg Finance LP. All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Bloomberg Finance LP. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// This file is an internal atomic implementation, use atomicops.h instead.
-
-#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_AIX_H_
-#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_AIX_H_
-
-namespace google {
-namespace protobuf {
-namespace internal {
-
-inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
- Atomic32 old_value,
- Atomic32 new_value) {
- Atomic32 result;
-
- asm volatile (
- "1: lwarx %[res], %[zero], %[obj] \n\t" // load and reserve
- " cmpw %[cmp], %[res] \n\t" // compare values
- " bne- 2f \n\t"
- " stwcx. %[val], %[zero], %[obj] \n\t" // store new value
- " bne- 1b \n\t"
- "2: \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [cmp] "b" (old_value),
- [val] "b" (new_value),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
- Atomic32 new_value) {
- Atomic32 result;
-
- asm volatile (
- "1: lwarx %[res], %[zero], %[obj] \n\t"
- " stwcx. %[val], %[zero], %[obj] \n\t"
- " bne- 1b \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [val] "b" (new_value),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
- Atomic32 increment) {
- Atomic32 result;
-
- asm volatile (
- "1: lwarx %[res], %[zero], %[obj] \n\t" // load and reserve
- " add %[res], %[val], %[res] \n\t" // add the operand
- " stwcx. %[res], %[zero], %[obj] \n\t" // store old value
- // if still reserved
- " bne- 1b \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [val] "b" (increment),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline void MemoryBarrier(void) {
- asm volatile (
- " lwsync \n\t"
- " isync \n\t"
- :
- :
- : "memory");
-}
-
-inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
- Atomic32 increment) {
- Atomic32 result;
-
- asm volatile (
- " lwsync \n\t"
-
- "1: lwarx %[res], %[zero], %[obj] \n\t" // load and reserve
- " add %[res], %[val], %[res] \n\t" // add the operand
- " stwcx. %[res], %[zero], %[obj] \n\t" // store old value
- // if still reserved
- " bne- 1b \n\t"
- " isync \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [val] "b" (increment),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
- Atomic32 old_value,
- Atomic32 new_value) {
- Atomic32 result;
-
- asm volatile (
- "1: lwarx %[res], %[zero], %[obj] \n\t" // load and reserve
- " cmpw %[cmp], %[res] \n\t" // compare values
- " bne- 2f \n\t"
- " stwcx. %[val], %[zero], %[obj] \n\t" // store new value
- " bne- 1b \n\t"
-
- " isync \n\t"
- "2: \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [cmp] "b" (old_value),
- [val] "b" (new_value),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
- Atomic32 old_value,
- Atomic32 new_value) {
- Atomic32 result;
-
- asm volatile (
- " lwsync \n\t"
-
- "1: lwarx %[res], %[zero], %[obj] \n\t" // load and reserve
- " cmpw %[cmp], %[res] \n\t" // compare values
- " bne- 2f \n\t"
- " stwcx. %[val], %[zero], %[obj] \n\t" // store new value
- " bne- 1b \n\t"
-
- "2: \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [cmp] "b" (old_value),
- [val] "b" (new_value),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
- *ptr = value;
-}
-
-inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
- asm volatile (
- " stw %[val], %[obj] \n\t"
- " isync \n\t"
- : [obj] "=m" (*ptr)
- : [val] "b" (value));
-}
-
-inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
- asm volatile (
- " lwsync \n\t"
- " stw %[val], %[obj] \n\t"
- : [obj] "=m" (*ptr)
- : [val] "b" (value));
-}
-
-inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
- return *ptr;
-}
-
-inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
- Atomic32 result;
-
- asm volatile (
- "1: lwz %[res], %[obj] \n\t"
- " cmpw %[res], %[res] \n\t" // create data
- // dependency for
- // load/load ordering
- " bne- 1b \n\t" // never taken
-
- " isync \n\t"
- : [res] "=b" (result)
- : [obj] "m" (*ptr),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
- Atomic32 result;
-
- asm volatile (
- " lwsync \n\t"
-
- "1: lwz %[res], %[obj] \n\t"
- " cmpw %[res], %[res] \n\t" // create data
- // dependency for
- // load/load ordering
- " bne- 1b \n\t" // never taken
- : [res] "=b" (result)
- : [obj] "m" (*ptr),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-#ifdef GOOGLE_PROTOBUF_ARCH_64_BIT
-inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr,
- Atomic64 old_value,
- Atomic64 new_value) {
- Atomic64 result;
-
- asm volatile (
- "1: ldarx %[res], %[zero], %[obj] \n\t" // load and reserve
- " cmpd %[cmp], %[res] \n\t" // compare values
- " bne- 2f \n\t"
-
- " stdcx. %[val], %[zero], %[obj] \n\t" // store the new value
- " bne- 1b \n\t"
- "2: \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [cmp] "b" (old_value),
- [val] "b" (new_value),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr,
- Atomic64 new_value) {
- Atomic64 result;
-
- asm volatile (
- "1: ldarx %[res], %[zero], %[obj] \n\t"
- " stdcx. %[val], %[zero], %[obj] \n\t"
- " bne- 1b \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [val] "b" (new_value),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
- Atomic64 increment) {
- Atomic64 result;
-
- asm volatile (
- "1: ldarx %[res], %[zero], %[obj] \n\t" // load and reserve
- " add %[res], %[res], %[val] \n\t" // add the operand
- " stdcx. %[res], %[zero], %[obj] \n\t" // store old value if
- // still reserved
-
- " bne- 1b \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [val] "b" (increment),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr,
- Atomic64 increment) {
-
- Atomic64 result;
-
- asm volatile (
- " lwsync \n\t"
-
- "1: ldarx %[res], %[zero], %[obj] \n\t" // load and reserve
- " add %[res], %[res], %[val] \n\t" // add the operand
- " stdcx. %[res], %[zero], %[obj] \n\t" // store old value if
- // still reserved
-
- " bne- 1b \n\t"
-
- " isync \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [val] "b" (increment),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
- Atomic64 old_value,
- Atomic64 new_value) {
- Atomic64 result;
-
- asm volatile (
- "1: ldarx %[res], %[zero], %[obj] \n\t" // load and reserve
- " cmpd %[cmp], %[res] \n\t" // compare values
- " bne- 2f \n\t"
-
- " stdcx. %[val], %[zero], %[obj] \n\t" // store the new value
- " bne- 1b \n\t"
- " isync \n\t"
- "2: \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [cmp] "b" (old_value),
- [val] "b" (new_value),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
- Atomic64 old_value,
- Atomic64 new_value) {
- Atomic64 result;
-
- asm volatile (
- " lwsync \n\t"
-
- "1: ldarx %[res], %[zero], %[obj] \n\t" // load and reserve
- " cmpd %[cmp], %[res] \n\t" // compare values
- " bne- 2f \n\t"
-
- " stdcx. %[val], %[zero], %[obj] \n\t" // store the new value
- " bne- 1b \n\t"
- "2: \n\t"
- : [res] "=&b" (result)
- : [obj] "b" (ptr),
- [cmp] "b" (old_value),
- [val] "b" (new_value),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) {
- *ptr = value;
-}
-
-inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) {
- asm volatile (
- " std %[val], %[obj] \n\t"
- " isync \n\t"
- : [obj] "=m" (*ptr)
- : [val] "b" (value));
-}
-
-inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
- asm volatile (
- " lwsync \n\t"
- " std %[val], %[obj] \n\t"
- : [obj] "=m" (*ptr)
- : [val] "b" (value));
-}
-
-inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
- return *ptr;
-}
-
-inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
- Atomic64 result;
-
- asm volatile (
- "1: ld %[res], %[obj] \n\t"
- " cmpd %[res], %[res] \n\t" // create data
- // dependency for
- // load/load ordering
- " bne- 1b \n\t" // never taken
-
- " isync \n\t"
- : [res] "=b" (result)
- : [obj] "m" (*ptr),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-
-inline Atomic64 Release_Load(volatile const Atomic64* ptr) {
- Atomic64 result;
-
- asm volatile (
- " lwsync \n\t"
-
- "1: ld %[res], %[obj] \n\t"
- " cmpd %[res], %[res] \n\t" // create data
- // dependency for
- // load/load ordering
- " bne- 1b \n\t" // never taken
- : [res] "=b" (result)
- : [obj] "m" (*ptr),
- [zero] "i" (0)
- : "cr0", "ctr");
-
- return result;
-}
-#endif
-
-} // namespace internal
-} // namespace protobuf
-} // namespace google
-
-#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_
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