review for 7075623: 6990212 broke raiseException in 64 bit

[Christian Thalinger]

Looks good.  -- Christian

On Aug 5, 2011, at 10:22 PM, Tom Rodriguez wrote:

> http://cr.openjdk.java.net/~never/7075623
> 3 lines changed: 0 ins; 0 del; 3 mod; 4699 unchg
> 
> 7075623: 6990212 broke raiseException in 64 bit
> Reviewed-by:
> 
> The fix for 6990212 included making the raiseException path do a
> normal dispatch instead of always using the compiler entry.  The
> assembly for 64 bit had a few issues.  On x86 the saved sp register is
> wrong which causes rarg0_code to be killed.  On sparc the code should
> be passed as an int instead of a ptr which causes problems because of
> endianness.  I also modified the x86 code to do the same.  Tested with
> original regression test on sparc/x86 32/64 -Xcomp/-Xmixed.  I also
> reran the failing JDK regression tests.
>