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Diffstat (limited to 'src/google/protobuf/stubs/atomicops_internals_power.h')
-rw-r--r-- | src/google/protobuf/stubs/atomicops_internals_power.h | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/src/google/protobuf/stubs/atomicops_internals_power.h b/src/google/protobuf/stubs/atomicops_internals_power.h deleted file mode 100644 index cad9f1e3..00000000 --- a/src/google/protobuf/stubs/atomicops_internals_power.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 MemoryBarrierInternal(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_ |