The basic built-in functions described in this section are available on the PowerPC family of processors starting with ISA 2.07 or later. Unless specific options are explicitly disabled on the command line, specifying option -mcpu=power8 has the effect of enabling all the same options as for -mcpu=power7 in addition to the -mpower8-fusion, -mpower8-vector, -mcrypto, -mhtm, -mquad-memory, and -mquad-memory-atomic options.
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