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Posted to dev@harmony.apache.org by Ian Rogers <ro...@gmail.com> on 2008/09/19 17:27:41 UTC

Re: [jira] Updated: (HARMONY-5965) [drlvm][jit]generate Mnemonic_LEA LIR for Op_Shladd HIR in IA32

xiaoming.gu@gmail.com wrote:
> Ian, a quick question - is there any instruction scheduling work in 
> Jikes RVM? If yes, local or global or both? Thanks. -Xiaoming
>

There is instruction scheduling [1] but it is only performed on 
PowerPC[2]. There was an effort to improve it, possibly including x87, 
but that hasn't produced any code I've seen.

Regards,
Ian

[1] 
http://jikesrvm.svn.sourceforge.net/viewvc/jikesrvm/rvmroot/trunk/rvm/src/org/jikesrvm/compilers/opt/instrsched/
[2] 
http://jikesrvm.svn.sourceforge.net/viewvc/jikesrvm/rvmroot/trunk/rvm/src/org/jikesrvm/compilers/opt/driver/ppc/MIROptimizationPlanner.java?revision=14000&view=markup#l_87