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May I ask for feedback here? Without hearing back, I guess I'll simply put this in some time next week. Jan > --- > Diffs of generated files omitted. > > --- a/gas/testsuite/gas/aarch64/system.d > +++ b/gas/testsuite/gas/aarch64/system.d > @@ -12,6 +12,7 @@ Disassembly of section \.text: > .*: d503207f wfi > .*: d503209f sev > .*: d50320bf sevl > +.*: d50322df clearbhb > .*: d503201f nop > .*: d503203f yield > .*: d503205f wfe > @@ -34,7 +35,7 @@ Disassembly of section \.text: > .*: d503227f hint #0x13 > .*: d503229f (hint #0x14|csdb) > .*: d50322bf hint #0x15 > -.*: d50322df hint #0x16 > +.*: d50322df (hint #0x16|clearbhb) > .*: d50322ff hint #0x17 > .*: d503231f (hint #0x18|paciaz) > .*: d503233f (hint #0x19|paciasp) > --- a/gas/testsuite/gas/aarch64/system.s > +++ b/gas/testsuite/gas/aarch64/system.s > @@ -11,6 +11,7 @@ > wfi > sev > sevl > + clearbhb > > .macro all_hints from=0, to=127 > hint \from > --- a/opcodes/aarch64-tbl.h > +++ b/opcodes/aarch64-tbl.h > @@ -4034,6 +4034,7 @@ const struct aarch64_opcode aarch64_opco > CORE_INSN ("esb", 0xd503221f, 0xffffffff, ic_system, 0, OP0 (), {}, F_ALIAS), > CORE_INSN ("psb", 0xd503223f, 0xffffffff, ic_system, 0, OP1 (BARRIER_PSB), {}, F_ALIAS), > CORE_INSN ("tsb", 0xd503225f, 0xffffffff, ic_system, 0, OP1 (BARRIER_PSB), {}, F_ALIAS), > + CORE_INSN ("clearbhb", 0xd50322df, 0xffffffff, ic_system, 0, OP0 (), {}, F_ALIAS), > CORE_INSN ("clrex", 0xd503305f, 0xfffff0ff, ic_system, 0, OP1 (UIMM4), {}, F_OPD0_OPT | F_DEFAULT (0xF)), > CORE_INSN ("dsb", 0xd503309f, 0xfffff0ff, ic_system, 0, OP1 (BARRIER), {}, F_HAS_ALIAS), > V8_7_INSN ("dsb", 0xd503323f, 0xfffff3ff, ic_system, OP1 (BARRIER_DSB_NXS), {}, F_HAS_ALIAS),