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

[Christian Thalinger]

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