atomic_xor functions.

int atomic_xor ( volatile __global int *p,
  int val)
uint atomic_xor ( volatile __global uint *p,
  uint val)
int atomic_xor ( volatile __local int *p,
  int val)
uint atomic_oxr ( volatile __local uint *p,
  uint val)


Read the 32-bit value (referred to as old) stored at location pointed by p. Compute (old ^ val) and store result at location pointed by p. The function returns old.


OpenCL Specification

Also see

Atomic Functions, cl_khr_int64_extended_atomics

Copyright © 2007-2010 The Khronos Group Inc. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and/or associated documentation files (the "Materials"), to deal in the Materials without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Materials, and to permit persons to whom the Materials are furnished to do so, subject to the condition that this copyright notice and permission notice shall be included in all copies or substantial portions of the Materials.