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Hi This patch is part of the patch series to add support for ARMv8.5-A Memory Tagging Extensions. (https://developer.arm.com/products/architecture/cpu-architecture/a-profile/exploration-tools) Memory Tagging Extension (MTE) is an optional extension to ARMv8.5-A and is enabled using the +memtag command line option. This patch add support to the Pointer Arithmetic instructions from MTE. These are the following instructions added in this patch: - SUBP <Xd>, <Xn|SP>, <Xm|SP> - SUBPS <Xd>, <Xn|SP>, <Xm|SP> - CMPP <Xn|SP>, <Xm|SP> where CMPP is an alias to SUBPS XZR, <Xn|SP>, <Xm|SP> where <Xd> : Is the 64-bit destination GPR. <Xn|SP> : Is the 64-bit first source GPR or Stack pointer. <Xm|SP> : Is the 64-bit second source GPR or Stack pointer. Testing done: Builds and reg tests all pass on aarch64-none-linux-gnu. Added test. Is this ok for trunk? Thanks Sudi *** opcodes/ChangeLog *** 2018-xx-xx Sudakshina Das <sudi.das@arm.com> * aarch64-tbl.h (aarch64_opcode_table): Add subp, subps and cmpp. * aarch64-asm-2.c: Regenarated. * aarch64-dis-2.c: Regenerated. * aarch64-opc-2.c: Regenerated. *** gas/ChangeLog *** 2018-xx-xx Sudakshina Das <sudi.das@arm.com> * testsuite/gas/aarch64/armv8_5-a-mte.s: Add tests for subp, subps and cmpp. * testsuite/gas/aarch64/armv8_5-a-mte.d: Likewise.
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