gcc/
	PR target/68772
	* config/rs6000/rs6000.h (ASM_CPU_SPEC): For -mcpu=powerpc64le,
	pass %(asm_cpu_power8)/-mpwr8.
	* config/rs6000/aix53.h: Likewise.
	* config/rs6000/aix61.h: Likewise.
	* config/rs6000/aix71.h: Likewise.

gcc/testsuite/
	PR target/68772
	* gcc.target/powerpc/pr68872.c: New test.

From-SVN: r231905