Request for reviews (S): 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64

[Tom Rodriguez]

Looks good.

tom

On Mar 5, 2010, at 7:30 AM, Christian Thalinger wrote:

> http://cr.openjdk.java.net/~twisti/6932536/webrev.01/
> 
> Changing the nextArg value of MethodHandlesTest to be bigger than
> Integer.MAX_VALUE to actually test long arguments reveals a bug on
> x86_64.
> 
> There were actually two bugs:
> 
> 1. For i2l and unboxi long values were stored in two slots as 32-bit
> words instead of a 64-bit one.
> 
> 2. The stack-move conversion value was read as 32-bit value and then
> shifted which resulted in e.g. 0xffffffff values in 64-bit registers
> instead of -1.
> 
> Tested: MethodHandlesTest
>