Request for reviews (S): 6910664: C2: java/util/Arrays/Sorting.java fails with DeoptimizeALot flag

[Christian Thalinger]

On 02/19/10 04:08 AM, Vladimir Kozlov wrote:
> http://cr.openjdk.java.net/~kvn/6910664/webrev.02
> 
> Fixed 6910664: C2: java/util/Arrays/Sorting.java fails with DeoptimizeALot flag
> 
> Problem:
> The test has several java float locals and use XMM registers in debug info.
> But the code which restore these values during deoptimization was not
> updated for XMM registers usage. It assumes that float values were converted
> to double on stack as it was before SSE hardware when FPU was used.
> 
> Solution:
> Add platform specific method to get float stack value from compiled frame.
> 
> Reviewed by:
> 
> Fix verified (y/n): y, test with -XX:UseSSE=0|1|2
> 
> Other testing:
> JPRT

Looks good.  -- Christian