Convert Linkage to use MachineSignature.

src/compiler/ia32/code-generator-ia32.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
@@ skipping 114 matching lines @@
         Handle<Code> code = Handle<Code>::cast(i.InputHeapObject(0));
         __ call(code, RelocInfo::CODE_TARGET);
       } else {
         Register reg = i.InputRegister(0);
         __ call(Operand(reg, Code::kHeaderSize - kHeapObjectTag));
       }
       AddSafepointAndDeopt(instr);
       break;
     }
     case kArchCallJSFunction: {
-      // TODO(jarin) The load of the context should be separated from the call.
       Register func = i.InputRegister(0);
-      __ mov(esi, FieldOperand(func, JSFunction::kContextOffset));
+      if (FLAG_debug_code) {
+        // Check the function's context matches the context argument.
+        __ cmp(esi, FieldOperand(func, JSFunction::kContextOffset));
+        __ Assert(equal, kWrongFunctionContext);
+      }
       __ call(FieldOperand(func, JSFunction::kCodeEntryOffset));
       AddSafepointAndDeopt(instr);
       break;
     }
     case kArchDrop: {
       int words = MiscField::decode(instr->opcode());
       __ add(esp, Immediate(kPointerSize * words));
       break;
     }
     case kArchJmp:
@@ skipping 635 matching lines @@
     } else {
       // No saved registers.
       __ mov(esp, ebp);  // Move stack pointer back to frame pointer.
       __ pop(ebp);       // Pop caller's frame pointer.
       __ ret(0);
     }
   } else {
     __ mov(esp, ebp);  // Move stack pointer back to frame pointer.
     __ pop(ebp);       // Pop caller's frame pointer.
     int pop_count =
-        descriptor->IsJSFunctionCall() ? descriptor->ParameterCount() : 0;
+        descriptor->IsJSFunctionCall() ? descriptor->JSParameterCount() : 0;
     __ ret(pop_count * kPointerSize);
   }
 }
 
 
 void CodeGenerator::AssembleMove(InstructionOperand* source,
                                  InstructionOperand* destination) {
   IA32OperandConverter g(this, NULL);
   // Dispatch on the source and destination operand kinds.  Not all
   // combinations are possible.
@@ skipping 137 matching lines @@
 }
 
 
 void CodeGenerator::AddNopForSmiCodeInlining() { __ nop(); }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8