Request for review (L): 6797305: Add LoadUB and LoadUI opcode class
Christian.Thalinger at Sun.COM
Thu Feb 26 09:22:31 PST 2009
On Thu, 2009-02-26 at 18:00 +0100, Ulf Zibis wrote:
> thanks for the news.
> Is LoadUB from array now as fast as the +0x80 trick ?
Yes, at least on SPARC. On x86 your benchmarks may trick you as the
slowdown is not from the load instruction but from loop unrolling and
register pressure. I will look into this issue when I have finished
this work (and that includes 5057225).
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