[PATCH][GAS][ARM] Fix AArch32 build attributes for Armv8.4-A.

[Ramana Radhakrishnan]

On 2/15/18 4:03 PM, Tamar Christina wrote:
> Hi All,
> 
> The build attribute number for Armv8.4-A is currently incorrectly set to that of Armv8-M.
> This patch fixes that by setting it as part of the Armv8-A family and adds a test for it.
> 
> Regtested on cross build:
> 
>  * arm-none-eabi
>  * armeb-none-eabi
> 
> Bootstrapped and regtested on:
> 
>  * arm-none-eabi
>  * arm-none-eabi (64 bit host)
> 
> and no issues.
> 
> Ok for master?
> 
> And also requesting permission to backport to binutils 2.30.
> 
> gas/
> 2018-02-15  Tamar Christina  <tamar.christina@arm.com>
> 
> 	* config/tc-arm.c (cpu_arch_ver): Renumber ARM_ARCH_V8_4A.
> 	* testsuite/gas/arm/attr-march-armv8_4-a.d: New.
> 
> Thanks,
> Tamar
> 

Ok, Please apply. Please wait for 24 hours for Nick to object about the
2.30 backport.

Ramana