* ppc-tdep.h (ppc_insns_match_pattern): Update prototype.
	* rs6000-tdep.c (read_insn): Add frame param, don't assume big-endian.
	(ppc_insns_match_pattern): Add frame param.  Avoid multiple
	target mem reads on optional insns.
	* ppc-linux-tdep.c (ppc_skip_trampoline_code): Update
	ppc_insns_match_pattern calls.
	* ppc64-tdep.c (ppc64_standard_linkage2, ppc64_standard_linkage3):
	Add match for power7 thread safety insns, and new order of
	std 2,40(1) insn.  Correct code shown for _dl_runtime_resolve
	invocation in comment, and update rest of comment.
	(PPC64_STANDARD_LINKAGE1_LEN, PPC64_STANDARD_LINKAGE2_LEN,
	PPC64_STANDARD_LINKAGE3_LEN): Delete.
	(ppc64_standard_linkage2_target): Update insn offsets.
	(ppc64_skip_trampoline_code): Use a single insn buffer.  Match newer
	stubs first.  Update calls.