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Re: [AArch64, ARM] Introduce "mrs" type attribute.


On 06/09/13 14:48, James Greenhalgh wrote:
> 
> Hi,
> 
> This patch adds an "mrs" type to be used to categorize instructions
> which read or write from a special/system/co-processor register.
> 
> Then we add this type to all the pipeline descriptions. This probably
> ends up as a miscategorization in most cases as we put "mrs" in the
> same category as "multiple" in the pipelines. This will give the most
> consistant behaviour with what came before.
> 
> Regression tested on aarch64-none-elf and arm-none-eabi with no
> regressions.
> 
> OK?
> 
> Thanks,
> James
> 
> ---
> gcc/
> 
> 2013-09-06  James Greenhalgh  <james.greenhalgh@arm.com>
> 
> 	* config/arm/types.md (type): Add "mrs" type.
> 	* config/aarch64/aarch64.md
> 	(aarch64_load_tp_hard): Make type "mrs".
> 	* config/arm/arm.md
> 	(load_tp_hard): Make type "mrs".
> 	* config/arm/cortex-a15.md: Update with new attributes.
> 	* config/arm/cortex-a5.md: Update with new attributes.
> 	* config/arm/cortex-a53.md: Update with new attributes.
> 	* config/arm/cortex-a7.md: Update with new attributes.
> 	* config/arm/cortex-a8.md: Update with new attributes.
> 	* config/arm/cortex-a9.md: Update with new attributes.
> 	* config/arm/cortex-m4.md: Update with new attributes.
> 	* config/arm/cortex-r4.md: Update with new attributes.
> 	* config/arm/fa526.md: Update with new attributes.
> 	* config/arm/fa606te.md: Update with new attributes.
> 	* config/arm/fa626te.md: Update with new attributes.
> 	* config/arm/fa726te.md: Update with new attributes.
> 


OK.

R.



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