Ping (now that stage1 is open)
On 27 March 2015 at 19:14, Kyrill Tkachov <kyrylo.tkac...@arm.com> wrote:
>
> On 24/03/15 19:53, Yvan Roux wrote:
>>
>> Hi,
>>
>> after the issue with duplicated alternatives exhibited by PR64208, I
>> checked the arm.md file and found that *arm_subsi3_insn has a
>> duplication where alt 4 is (r,rI,r) and alt 6 is (r,r,r), this results
>> in emitting an rsb instruction instead of a sub one, but it has also
>> an impact on scheduling as the type attribute affected to alt 4 is
>> alu_imm when it could only involve registers.
>>
>> This is fixed by this small patch. Cross builded and regtested for
>> arm/armeb targets.
>> Ok for trunk (maybe for stage 1 as no PR is attached to that) ?
>
>
> Hi Yvan,
>
> I've kicked off two bootstraps of this patch on arm-none-linux-gnueabihf:
> one with arm mode and one with thumb. Both are well in stage3 so I don't
> expect
> there to be any problems and the patch looks ok to me code-wise (though
> I can't approve).
>
> This is stage 1 material by now though since there's no regression
> associated.
>
> Cheers,
> Kyrill
>
>
>>
>> Cheers,
>> Yvan
>>
>> 2105-03-24 Yvan Roux <yvan.r...@linaro.org>
>>
>> * config/arm/arm.md ("*arm_subsi3_insn"): Fixed redundant
>> alternatives.
>
>
