src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.hpp

rev 13069 : imported patch Remove_GNU_SOURCE

*** 52,169 ****
  
  inline void Atomic::store(jlong store_value, jlong* dest) { *dest = store_value; }
  inline void Atomic::store(jlong store_value, volatile jlong* dest) { *dest = store_value; }
  inline jlong Atomic::load(const volatile jlong* src) { return *src; }
  
- #ifdef _GNU_SOURCE
- 
- inline jint     Atomic::add    (jint     add_value, volatile jint*     dest) {
-   intptr_t rv;
-   __asm__ volatile(
-     "1: \n\t"
-     " ld     [%2], %%o2\n\t"
-     " add    %1, %%o2, %%o3\n\t"
-     " cas    [%2], %%o2, %%o3\n\t"
-     " cmp    %%o2, %%o3\n\t"
-     " bne    1b\n\t"
-     "  nop\n\t"
-     " add    %1, %%o2, %0\n\t"
-     : "=r" (rv)
-     : "r" (add_value), "r" (dest)
-     : "memory", "o2", "o3");
-   return rv;
- }
- 
- inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
-   intptr_t rv;
-   __asm__ volatile(
-     "1: \n\t"
-     " ldx    [%2], %%o2\n\t"
-     " add    %0, %%o2, %%o3\n\t"
-     " casx   [%2], %%o2, %%o3\n\t"
-     " cmp    %%o2, %%o3\n\t"
-     " bne    %%xcc, 1b\n\t"
-     "  nop\n\t"
-     " add    %0, %%o2, %0\n\t"
-     : "=r" (rv)
-     : "r" (add_value), "r" (dest)
-     : "memory", "o2", "o3");
-   return rv;
- }
- 
- inline void*    Atomic::add_ptr(intptr_t add_value, volatile void*     dest) {
-   return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest);
- }
- 
- 
- inline jint     Atomic::xchg    (jint     exchange_value, volatile jint*     dest) {
-   intptr_t rv = exchange_value;
-   __asm__ volatile(
-     " swap   [%2],%1\n\t"
-     : "=r" (rv)
-     : "0" (exchange_value) /* we use same register as for return value */, "r" (dest)
-     : "memory");
-   return rv;
- }
- 
- inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
-   intptr_t rv = exchange_value;
-   __asm__ volatile(
-     "1:\n\t"
-     " mov    %1, %%o3\n\t"
-     " ldx    [%2], %%o2\n\t"
-     " casx   [%2], %%o2, %%o3\n\t"
-     " cmp    %%o2, %%o3\n\t"
-     " bne    %%xcc, 1b\n\t"
-     "  nop\n\t"
-     " mov    %%o2, %0\n\t"
-     : "=r" (rv)
-     : "r" (exchange_value), "r" (dest)
-     : "memory", "o2", "o3");
-   return rv;
- }
- 
- inline void*    Atomic::xchg_ptr(void*    exchange_value, volatile void*     dest) {
-   return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
- }
- 
- 
- inline jint     Atomic::cmpxchg    (jint     exchange_value, volatile jint*     dest, jint     compare_value, cmpxchg_memory_order order) {
-   jint rv;
-   __asm__ volatile(
-     " cas    [%2], %3, %0"
-     : "=r" (rv)
-     : "0" (exchange_value), "r" (dest), "r" (compare_value)
-     : "memory");
-   return rv;
- }
- 
- inline jlong    Atomic::cmpxchg    (jlong    exchange_value, volatile jlong*    dest, jlong    compare_value, cmpxchg_memory_order order) {
-   jlong rv;
-   __asm__ volatile(
-     " casx   [%2], %3, %0"
-     : "=r" (rv)
-     : "0" (exchange_value), "r" (dest), "r" (compare_value)
-     : "memory");
-   return rv;
- }
- 
- inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
-   intptr_t rv;
-   __asm__ volatile(
-     " casx    [%2], %3, %0"
-     : "=r" (rv)
-     : "0" (exchange_value), "r" (dest), "r" (compare_value)
-     : "memory");
-   return rv;
- }
- 
- inline void*    Atomic::cmpxchg_ptr(void*    exchange_value, volatile void*     dest, void*    compare_value, cmpxchg_memory_order order) {
-   return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value, order);
- }
- 
- #else // _GNU_SOURCE
  
  // This is the interface to the atomic instructions in solaris_sparc.il.
  // It's very messy because we need to support v8 and these instructions
  // are illegal there.  When sparc v8 is dropped, we can drop out lots of
  // this code.  Also compiler2 does not support v8 so the conditional code
--- 52,61 ----
*** 221,228 ****
  
  inline void*    Atomic::cmpxchg_ptr(void*    exchange_value, volatile void*     dest, void*    compare_value, cmpxchg_memory_order order) {
    return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value, order);
  }
  
- #endif // _GNU_SOURCE
- 
  #endif // OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_HPP
--- 113,118 ----