[binutils-gdb] [AArch64] Add OP parameter to aarch64-tbl.h macros

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*** TEST RESULTS FOR COMMIT 9d30b0bdab56a563a29984705778168ae93f71ae ***

Author: Richard Sandiford <richard.sandiford@arm.com>
Branch: master
Commit: 9d30b0bdab56a563a29984705778168ae93f71ae

[AArch64] Add OP parameter to aarch64-tbl.h macros

Nick recently wrapped most of aarch64-tbl.h entries in macros
like CORE_INSN.  These new macros assumed that the aarch64_op
"op" field of aarch64_opcode is 0 and that the new "verifier"
field is NULL.

However, there are a lot of CORE, SIMD and FP insns whose table
entries need a nonzero aarch64_op field, so these entries
continued to use a braced list instead of a macro.  This makes
the table entries less consistent and means that there are still
quite a few braced entries that need to be updated when making
further changes to the aarch64_opcode structure.

I think the number of entries that need a nonzero aarch64_op
field is high enough to justify having an explicit aarch64_op
entry for all CORE, SIMD and FP entries.  This patch adds
one and updates all existing uses of the macros.  A following
patch makes more use of the macros.

I've followed existing practice by using 0 instead of OP_NIL
for empty aarch64_op fields.  Empty fields are still the norm
and you need to know what the fields are when reading the table
anyway, so it was hard to justify an additional patch to replace
all 0 op fields with OP_NIL.

opcodes/
	* aarch64-tbl.h (CORE_INSN, __FP_INSN, SIMD_INSN): Add OP parameter.
	(aarch64_opcode_table): Update uses accordingly.