[PATCH, BINUTILS, AARCH64, 3/8] Add Pointer Arithmetic instructions in Memory Tagging Extension

[Sudakshina Das]

Hi Richard

On 02/11/18 16:09, Sudakshina Das wrote:
> Hi Richard
> 
> On 30/10/18 09:46, Richard Earnshaw (lists) wrote:
>> On 09/10/2018 18:24, Sudakshina Das wrote:
>>> 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.
>>>
>>>
>>
>> OK with the MTE/MEMTAG issue fixed.
>>
>> R. >
> Adding new patch with test case changes.
> 
> *** 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: Regenerated.
>      * 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-memtag.s: Add tests for subp,
>      subps and cmpp.
>      * testsuite/gas/aarch64/armv8_5-a-memtag.d: Likewise.
>      * testsuite/gas/aarch64/illegal-memtag.s: Likewise.
>      * testsuite/gas/aarch64/illegal-memtag.l: Likewise.
> 
New patch. Changelog still applies.

Sudi

> Thanks
> Sudi
> 
> 
> 

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