Eliminate most of the jump target jumping, branching, and binding...

src/jump-target.cc

Index: src/jump-target.cc
===================================================================
--- src/jump-target.cc	(revision 2654)
+++ src/jump-target.cc	(working copy)
@@ -323,25 +323,6 @@
 }
 
 
-void BreakTarget::Jump() {
-  ASSERT(cgen()->has_valid_frame());
-
-  // Drop leftover statement state from the frame before merging.
-  cgen()->frame()->ForgetElements(cgen()->frame()->height() - expected_height_);
-  DoJump();
-}
-
-
-void BreakTarget::Jump(Result* arg) {
-  ASSERT(cgen()->has_valid_frame());
-
-  // Drop leftover statement state from the frame before merging.
-  cgen()->frame()->ForgetElements(cgen()->frame()->height() - expected_height_);
-  cgen()->frame()->Push(arg);
-  DoJump();
-}
-
-
 void BreakTarget::Branch(Condition cc, Hint hint) {
   ASSERT(cgen()->has_valid_frame());
 
@@ -362,48 +343,6 @@
 }
 
 
-void BreakTarget::Bind() {
-#ifdef DEBUG
-  // All the forward-reaching frames should have been adjusted at the
-  // jumps to this target.
-  for (int i = 0; i < reaching_frames_.length(); i++) {
-    ASSERT(reaching_frames_[i] == NULL ||
-           reaching_frames_[i]->height() == expected_height_);
-  }
-#endif
-  // Drop leftover statement state from the frame before merging, even
-  // on the fall through.  This is so we can bind the return target
-  // with state on the frame.
-  if (cgen()->has_valid_frame()) {
-    int count = cgen()->frame()->height() - expected_height_;
-    cgen()->frame()->ForgetElements(count);
-  }
-  DoBind();
-}
-
-
-void BreakTarget::Bind(Result* arg) {
-#ifdef DEBUG
-  // All the forward-reaching frames should have been adjusted at the
-  // jumps to this target.
-  for (int i = 0; i < reaching_frames_.length(); i++) {
-    ASSERT(reaching_frames_[i] == NULL ||
-           reaching_frames_[i]->height() == expected_height_ + 1);
-  }
-#endif
-  // Drop leftover statement state from the frame before merging, even
-  // on the fall through.  This is so we can bind the return target
-  // with state on the frame.
-  if (cgen()->has_valid_frame()) {
-    int count = cgen()->frame()->height() - expected_height_;
-    cgen()->frame()->ForgetElements(count);
-    cgen()->frame()->Push(arg);
-  }
-  DoBind();
-  *arg = cgen()->frame()->Pop();
-}
-
-
 // -------------------------------------------------------------------------
 // ShadowTarget implementation.