diff options
Diffstat (limited to 'vaporize/library')
-rw-r--r-- | vaporize/library/LIRDict.java | 8 | ||||
-rw-r--r-- | vaporize/library/RegisterAlloc.java | 1 | ||||
-rw-r--r-- | vaporize/library/VaporizeVisitor.java | 145 |
3 files changed, 154 insertions, 0 deletions
diff --git a/vaporize/library/LIRDict.java b/vaporize/library/LIRDict.java index 2095254..d924d5e 100644 --- a/vaporize/library/LIRDict.java +++ b/vaporize/library/LIRDict.java @@ -10,6 +10,7 @@ import java.util.*; public class LIRDict { private TreeSet<LIRVar> intervals; + private int spilled_num; // the number of spilled registers private ControlFlowGraph cfg; public LIRDict(VFunction f, ControlFlowGraph cfg) { @@ -74,5 +75,12 @@ public class LIRDict { return this.cfg.getFunction(); } + public void addSpilledNum() { + ++this.spilled_num; + } + + public int getSpilledNum() { + return this.spilled_num; + } } diff --git a/vaporize/library/RegisterAlloc.java b/vaporize/library/RegisterAlloc.java index 4032de3..b316b96 100644 --- a/vaporize/library/RegisterAlloc.java +++ b/vaporize/library/RegisterAlloc.java @@ -61,6 +61,7 @@ public class RegisterAlloc { private void spillAtInterval(LIRVar interval) { MinimalLogger.severe(String.format("Ran out of free registers, but a spill for %s was not performed!", interval.toString())); + this.intervals.addSpilledNum(); // LIRVar spill = this.active.get(this.active.length()-1); // if (spill.getLastUse() > interval.getLastUse()) { // ; diff --git a/vaporize/library/VaporizeVisitor.java b/vaporize/library/VaporizeVisitor.java new file mode 100644 index 0000000..11f0bc5 --- /dev/null +++ b/vaporize/library/VaporizeVisitor.java @@ -0,0 +1,145 @@ +package vaporize.library; + +import cs132.vapor.ast.*; +import misc.*; + +import java.util.*; + +public class VaporizeVisitor extends VInstr.VisitorP<LIRDict, RuntimeException> { + + private ArrayList<String> vaporm; + + public VaporizeVisitor(VaporProgram vp, ArrayList<String> vaporm, ArrayList<LIRDict> interval_list) { + this.vaporm = vaporm; + + // is it possible for interval_list and the + // function in vp to be out of order? + for (int i = 0; i < vp.functions.length; ++i) { + this.addVaporm(String.format("func %s [in %d, out %d, local %d]", + vp.functions[i].ident, 0, 0, interval_list.get(i).getSpilledNum())); + for (VInstr s : vp.functions[i].body) + s.accept(interval_list.get(i), this); + } + } + + public ArrayList<String> getVaporm() { + return this.vaporm; + } + + public void addVaporm(String str) { + MinimalLogger.info(String.format("Adding string:\n%s", + str)); + this.vaporm.add(str); + } + + public void visit(LIRDict d, VAssign n) throws RuntimeException { + MinimalLogger.info(String.format("->%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + /////////////////////////////////////////////////////////////// + String dest = d.getInterval(((VVarRef.Local) n.dest).ident).getAssignedRegister(); + String source = (n.source instanceof VVarRef.Local) ? + d.getInterval(n.source.toString()).getAssignedRegister() + : n.source.toString(); + this.addVaporm(String.format(" %s = %s", + dest, source)); + /////////////////////////////////////////////////////////////// + MinimalLogger.info(String.format("<-%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + } + + public void visit(LIRDict d, VCall n) throws RuntimeException { + MinimalLogger.info(String.format("->%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + /////////////////////////////////////////////////////////////// + /////////////////////////////////////////////////////////////// + MinimalLogger.info(String.format("<-%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + } + + public void visit(LIRDict d, VBuiltIn n) throws RuntimeException { + MinimalLogger.info(String.format("->%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + /////////////////////////////////////////////////////////////// + /////////////////////////////////////////////////////////////// + MinimalLogger.info(String.format("<-%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + } + + public void visit(LIRDict d, VMemWrite n) throws RuntimeException { + MinimalLogger.info(String.format("->%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + /////////////////////////////////////////////////////////////// + String dest = d.getInterval(((VMemRef.Global) n.dest).base.toString()) + .getAssignedRegister(); + String source = (n.source instanceof VVarRef.Local) ? + d.getInterval(n.source.toString()).getAssignedRegister() : + n.source.toString(); + int byteOffset = ((VMemRef.Global) n.dest).byteOffset; + this.addVaporm(String.format(" [%s+%d] = %s", + dest, byteOffset, source)); + /////////////////////////////////////////////////////////////// + MinimalLogger.info(String.format("<-%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + } + + public void visit(LIRDict d, VMemRead n) throws RuntimeException { + MinimalLogger.info(String.format("->%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + /////////////////////////////////////////////////////////////// + String dest = (n.dest instanceof VVarRef.Local) ? + d.getInterval(n.dest.toString()).getAssignedRegister() : + n.dest.toString(); + String source = d.getInterval(((VMemRef.Global) n.source).base.toString()) + .getAssignedRegister(); + int byteOffset = ((VMemRef.Global) n.source).byteOffset; + this.addVaporm(String.format(" %s = [%s+%d]", + dest, source, byteOffset)); + /////////////////////////////////////////////////////////////// + MinimalLogger.info(String.format("<-%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + } + + public void visit(LIRDict d, VBranch n) throws RuntimeException { + MinimalLogger.info(String.format("->%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + /////////////////////////////////////////////////////////////// + /////////////////////////////////////////////////////////////// + MinimalLogger.info(String.format("<-%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + } + + public void visit(LIRDict d, VGoto n) throws RuntimeException { + MinimalLogger.info(String.format("->%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + /////////////////////////////////////////////////////////////// + /////////////////////////////////////////////////////////////// + MinimalLogger.info(String.format("<-%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + } + + public void visit(LIRDict d, VReturn n) throws RuntimeException { + MinimalLogger.info(String.format("->%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + /////////////////////////////////////////////////////////////// + /////////////////////////////////////////////////////////////// + MinimalLogger.info(String.format("<-%s (%s)", + n.getClass().getSimpleName(), + n.sourcePos.toString())); + } + +} |