unsigned int
atomic_sub
(
| volatile __global unsigned int *p , |
unsigned int val) |
unsigned int
atomic_sub
(
| volatile __local unsigned int *p , |
unsigned int val) |
Description
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.
A 64-bit version of this function, atom_sub, is enabled by cl_khr_int64_base_atomics.
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