x/arch/ppc64/ppc64asm: skip ObjdumpPowerManual on some hosts

The TestObjdumpPowerManualTest compares the go disassembler
output against the host objdump, but if the test is not being
run on a ppc64 or ppc64le, the host objdump won't be correct
for the test, so skip it in that case.

Change-Id: I34ba6f3efa5bde1248a1e2eaeb110a8c8dc95ea9
Reviewed-on: https://go-review.googlesource.com/32510
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
1 file changed