PPC: [turbofan] Frame elision for code stubs.

src/compiler/code-generator.cc

Index: src/compiler/code-generator.cc
diff --git a/src/compiler/code-generator.cc b/src/compiler/code-generator.cc
index 71f9604d7ff206d03a464ce5eff2c3f828ca7c3e..08a7d2ef081eddad742fda6a2874b9b45a30e051 100644
--- a/src/compiler/code-generator.cc
+++ b/src/compiler/code-generator.cc
@@ -153,9 +153,11 @@ Handle<Code> CodeGenerator::GenerateCode() {
         }
       }
 
-      for (int i = block->code_start(); i < block->code_end(); ++i) {
-        Instruction* instr = code()->InstructionAt(i);
-        AssembleInstruction(instr, block);
+      if (FLAG_enable_embedded_constant_pool && !block->needs_frame()) {
+        ConstantPoolUnavailableScope constant_pool_unavailable(masm());
+        AssembleBlock(block);
+      } else {
+        AssembleBlock(block);
       }
     }
   }
@@ -300,6 +302,13 @@ bool CodeGenerator::IsMaterializableFromRoot(
   return false;
 }
 
+void CodeGenerator::AssembleBlock(const InstructionBlock* block) {
+  for (int i = block->code_start(); i < block->code_end(); ++i) {
+    Instruction* instr = code()->InstructionAt(i);
+    AssembleInstruction(instr, block);
+  }
+}
+
 void CodeGenerator::AssembleInstruction(Instruction* instr,
                                         const InstructionBlock* block) {
   AssembleGaps(instr);