RFR(S): 7066841: remove MacroAssembler::br_on_reg_cond() on sparc

[Vladimir Kozlov]

Nice cleanup. Thank you, John.

Vladimir

John Cuthbertson wrote:
> Hi Everyone,
> 
> Can I have couple of volunteers look over these changes? The webrev can 
> be found at: http://cr.openjdk.java.net/~johnc/7066841/webrev.0/.
> 
> These changes basically remove the macro assembler routine 
> br_on_reg_cond and replace the remaining calls to that routine, in the 
> G1 barriers, with an equivalent.
> 
> Testing: GC test suite and Kitchensink on 32/64 bit sparc with -Xint, 
> -client -Xcomp, -XX:+TieredCompilation -XX:TieredStopAtLevel=1, and 
> default. VerifyDuringGC and VerifyBeforeGC were also enabled to detect 
> missing barriers.
> 
> Thanks,
> 
> JohnC