[turbofan] Fewer gap moves for tail calls

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index c8c030129601d6c1230201de9462e19e45521387..7aab8cd86e7386291947a4674e308b68bbbf7390 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -464,9 +464,6 @@ void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) {
   if (sp_slot_delta > 0) {
     __ Add(jssp, jssp, Operand(sp_slot_delta * kPointerSize));
   }
-  if (frame()->needs_frame()) {
-    __ Pop(fp, lr);
-  }
   frame_access_state()->SetFrameAccessToDefault();
 }
 
@@ -477,6 +474,10 @@ void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) {
     __ Sub(jssp, jssp, Operand(-sp_slot_delta * kPointerSize));
     frame_access_state()->IncreaseSPDelta(-sp_slot_delta);
   }
+  if (frame()->needs_frame()) {
+    __ Ldr(lr, MemOperand(fp, StandardFrameConstants::kCallerPCOffset));
+    __ Ldr(fp, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+  }
   frame_access_state()->SetFrameAccessToSP();
 }