use of org.jikesrvm.compilers.opt.regalloc.ExpandCallingConvention in project JikesRVM by JikesRVM.
the class MIROptimizationPlanner method MIROptimizations.
/**
* This method defines the optimization plan elements that
* are to be performed on IA32 MIR.
*
* @param p the plan under construction
*/
private static void MIROptimizations(ArrayList<OptimizationPlanElement> p) {
// Register Allocation
composeComponents(p, "Register Mapping", new Object[] { new RewriteMemoryOperandsWithOversizedDisplacements(), new MIRSplitRanges(), // MANDATORY: Expand calling convention
new ExpandCallingConvention(), // MANDATORY: Insert defs/uses due to floating-point stack
new ExpandFPRStackConvention(), // MANDATORY: Perform Live analysis and create GC maps
new LiveAnalysis(true, false), // MANDATORY: Perform register allocation
new RegisterAllocator(), // MANDATORY: Add prologue and epilogue
new PrologueEpilogueCreator() });
// Peephole branch optimizations
addComponent(p, new MIRBranchOptimizations(1));
}
use of org.jikesrvm.compilers.opt.regalloc.ExpandCallingConvention in project JikesRVM by JikesRVM.
the class MIROptimizationPlanner method MIROptimizations.
/**
* This method defines the optimization plan elements that
* are to be performed on PowerPC MIR.
*
* @param p the plan under construction
*/
private static void MIROptimizations(ArrayList<OptimizationPlanElement> p) {
// //////////////////
// MIR OPTS(1) (before register allocation)
// //////////////////
// currently nothing to do
// //////////////////
// GCMapping part1 and RegisterAllocation
// //////////////////
composeComponents(p, "Register Mapping", new Object[] { // MANDATORY: Expand calling convention
new ExpandCallingConvention(), // MANDATORY: Perform Live analysis and create GC maps
new LiveAnalysis(true, false), // MANDATORY: Perform register allocation
new RegisterAllocator(), // MANDATORY: Add prologue and epilogue
new PrologueEpilogueCreator() });
// //////////////////
// MIR OPTS(2) (after register allocation)
// NOTE: GCMapping part 1 has created the GC maps already.
// From now until the end of compilation, we cannot change
// the set of live references at a GC point
// without updating the GCMaps.
// Effectively this means that we can only do the
// most trivial optimizations from
// here on out without having to some potentially complex bookkeeping.
// //////////////////
// Peephole branch optimizations
addComponent(p, new MIRBranchOptimizations(1));
}
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