Request for reviews (M): 7181494: cleanup avx and vectors code

[Vladimir Kozlov]

Thank you, Christian

Vladimir

Christian Thalinger wrote:
> Looks good.  -- Chris
> 
> On Jul 13, 2012, at 7:35 PM, Vladimir Kozlov wrote:
> 
>> http://cr.openjdk.java.net/~kvn/7181494/webrev
>>
>> 7181494: cleanup avx and vectors code
>>
>> Use shorter (non-ladder) form for XMM registers definition in x86.ad.
>>
>> Do renaming (vsubF_reg --> subF_reg_reg) for mach nodes which use AVX (3-operands) scalar instructions to avoid confusing with vector nodes.
>>
>> Add integer vectors shuffling instructions since SIMD Integer execution unit is separate from Float unit in SSE - there is at least one cycle penalty  for moving data between them. Use them in replicate integer values mach nodes.
>>
>> Tested with compiler regression tests and CTW.
>>
>> Thanks,
>> Vladimir
>