src/os_cpu/linux_ppc/vm/atomic_linux_ppc.hpp

rev 13452 : imported patch Atomic_cmpxchg
rev 13453 : imported patch Atomic_add
rev 13454 : [mq]: Atomic_add_v2

*** 91,103 ****
  #define strasm_acquire                    strasm_lwsync
  #define strasm_fence                      strasm_sync
  #define strasm_nobarrier                  ""
  #define strasm_nobarrier_clobber_memory   ""
  
! inline jint     Atomic::add    (jint     add_value, volatile jint*     dest) {
  
!   unsigned int result;
  
    __asm__ __volatile__ (
      strasm_lwsync
      "1: lwarx   %0,  0, %2    \n"
      "   add     %0, %0, %1    \n"
--- 91,115 ----
  #define strasm_acquire                    strasm_lwsync
  #define strasm_fence                      strasm_sync
  #define strasm_nobarrier                  ""
  #define strasm_nobarrier_clobber_memory   ""
  
! template<size_t byte_size>
! struct Atomic::PlatformAdd
!   : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
! {
!   template<typename I, typename D>
!   D add_and_fetch(I add_value, D volatile* dest) const;
! };
! 
! template<>
! template<typename I, typename D>
! inline D Atomic::PlatformAdd<4>::add_and_fetch(I add_value, D volatile* dest) const {
!   STATIC_CAST(4 == sizeof(I));
!   STATIC_CAST(4 == sizeof(D));
  
!   D result;
  
    __asm__ __volatile__ (
      strasm_lwsync
      "1: lwarx   %0,  0, %2    \n"
      "   add     %0, %0, %1    \n"
*** 106,122 ****
      strasm_isync
      : /*%0*/"=&r" (result)
      : /*%1*/"r" (add_value), /*%2*/"r" (dest)
      : "cc", "memory" );
  
!   return (jint) result;
  }
  
  
! inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
  
!   long result;
  
    __asm__ __volatile__ (
      strasm_lwsync
      "1: ldarx   %0,  0, %2    \n"
      "   add     %0, %0, %1    \n"
--- 118,138 ----
      strasm_isync
      : /*%0*/"=&r" (result)
      : /*%1*/"r" (add_value), /*%2*/"r" (dest)
      : "cc", "memory" );
  
!   return result;
  }
  
  
! template<>
! template<typename I, typename D>
! inline D Atomic::PlatformAdd<8>::add_and_fetch(I add_value, D volatile* dest) const {
!   STATIC_CAST(8 == sizeof(I));
!   STATIC_CAST(8 == sizeof(D));
  
!   D result;
  
    __asm__ __volatile__ (
      strasm_lwsync
      "1: ldarx   %0,  0, %2    \n"
      "   add     %0, %0, %1    \n"
*** 125,141 ****
      strasm_isync
      : /*%0*/"=&r" (result)
      : /*%1*/"r" (add_value), /*%2*/"r" (dest)
      : "cc", "memory" );
  
!   return (intptr_t) result;
! }
! 
! inline void*    Atomic::add_ptr(intptr_t add_value, volatile void*     dest) {
!   return (void*)add_ptr(add_value, (volatile intptr_t*)dest);
  }
  
  
  inline void Atomic::inc    (volatile jint*     dest) {
  
    unsigned int temp;
  
--- 141,155 ----
      strasm_isync
      : /*%0*/"=&r" (result)
      : /*%1*/"r" (add_value), /*%2*/"r" (dest)
      : "cc", "memory" );
  
!   return result;
  }
  
+ template<>
+ struct Atomic::PlatformAdd<2>: Atomic::AddShortUsingInt {};
  
  inline void Atomic::inc    (volatile jint*     dest) {
  
    unsigned int temp;