[binutils-gdb] [BINUTILS, AARCH64, 5/8] Add Tag getting instruction in Memory Tagging Extension

[sergiodj+buildbot at sergiodj dot net]

*** TEST RESULTS FOR COMMIT e6025b546c21b280ef05201b065f07335ee10e2e ***

Author: Sudakshina Das <sudi.das@arm.com>
Branch: master
Commit: e6025b546c21b280ef05201b065f07335ee10e2e

[BINUTILS, AARCH64, 5/8] Add Tag getting instruction in Memory Tagging Extension

This patch is part of the patch series to add support for ARMv8.5-A
Memory Tagging Extensions which is an optional extension to
ARMv8.5-A and is enabled using the +memtag command line option.

This patch add support to the Tag Getting instruction from Memory Tagging
Extension.
- LDG <Xt>, [<Xn|SP>, #<simm>]

where
<Xt> : Is the 64-bit destination GPR.
<Xn|SP> : Is the 64-bit first source GPR or Stack pointer.
<simm> : Is the optional signed immediate offset, a multiple of 16
in the range of -4096 and 4080, defaulting to 0.

*** opcodes/ChangeLog ***

2018-11-12  Sudakshina Das  <sudi.das@arm.com>

	* aarch64-tbl.h (QL_LDG): New.
	(aarch64_opcode_table): Add ldg.
	* aarch64-asm-2.c: Regenerated.
	* aarch64-dis-2.c: Regenerated.
	* aarch64-opc-2.c: Regenerated.

*** gas/ChangeLog ***

2018-11-12  Sudakshina Das  <sudi.das@arm.com>

	* testsuite/gas/aarch64/armv8_5-a-memtag.s: Add tests for ldg.
	* testsuite/gas/aarch64/armv8_5-a-memtag.d: Likewise.
	* testsuite/gas/aarch64/illegal-memtag.s: Likewise.
	* testsuite/gas/aarch64/illegal-memtag.l: Likewise.