include/opcode/
* ppc.h (PPC_OPCODE_POWER8): New define.
(PPC_OPCODE_HTM): Likewise.
opcodes/
* ppc-dis.c (ppc_opts): Add "power8", "pwr8" and "htm" entries.
* ppc-opc.c (HTM_R, HTM_SI, XRTRB_MASK, XRTRARB_MASK, XRTLRARB_MASK,
XRTARARB_MASK, XRTBFRARB_MASK, XRCL, POWER8, PPCHTM): New defines.
(SH6): Update.
<"tabort.", "tabortdc.", "tabortdci.", "tabortwc.",
"tabortwci.", "tbegin.", "tcheck", "tend.", "trechkpt.",
"treclaim.", "tsr.">: Add POWER8 HTM opcodes.
<"tendall.", "tresume.", "tsuspend.">: Add POWER8 HTM extended opcodes.
gas/
* doc/as.texinfo (Target PowerPC): Document -mpower8 and -mhtm.
* doc/c-ppc.texi (PowerPC-Opts): Likewise.
* config/tc-ppc.c (md_show_usage): Likewise.
(ppc_handle_align): Handle power8's group ending nop.
gas/testsuite/
* gas/ppc/htm.d: New test.
* gas/ppc/htm.s: Likewise.
* gas/ppc/power8.d: Likewise.
* gas/ppc/power8.s: Likewise.
* gas/ppc/ppc.exp: Run them.
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