[aarch64-port-dev ] RFR(S): 8154537: AArch64: some integer rotate instructions are never emitted

[Andrew Dinn]

On 19/04/16 13:52, Andrew Haley wrote:
> On 04/19/2016 12:44 PM, Roland Westrelin wrote:
>> (src >>> shift) | (src << (32 - shift)) and (src >>> shift) | (src <<
>> -shift) with src an int have some support in the aarch64.ad ad file:
>> rorI_rReg_Var_C_32 and rorI_rReg_Var_C0 but their definitions is broken
>> and never match any ideal graph subtree.
>>
>> http://cr.openjdk.java.net/~roland/8154537/webrev.00/
> 
> OK, thanks.  We'll need backports for
> http://hg.openjdk.java.net/aarch64-port/jdk8u/ and
> http://hg.openjdk.java.net/aarch64-port/jdk7u/

Patch also looks good to me.

regards,


Andrew Dinn
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