Hydrogen code stubs for vector-based ICs.

src/ic/ia32/stub-cache-ia32.cc

 // Copyright 2012 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/v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/codegen.h"
 #include "src/ic/stub-cache.h"
+#include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
 
 #define __ ACCESS_MASM(masm)
 
 
 static void ProbeTable(Isolate* isolate, MacroAssembler* masm,
                        Code::Flags flags, bool leave_frame,
                        StubCache::Table table, Register name, Register receiver,
@@ skipping 28 matching lines @@
     __ j(not_equal, &miss);
 
 #ifdef DEBUG
     if (FLAG_test_secondary_stub_cache && table == StubCache::kPrimary) {
       __ jmp(&miss);
     } else if (FLAG_test_primary_stub_cache && table == StubCache::kSecondary) {
       __ jmp(&miss);
     }
 #endif
 
+    if (FLAG_vector_ics) {
+      // The vector and slot were pushed onto the stack before starting the
+      // probe, and need to be restored for the miss handler.
+      __ pop(VectorLoadICDescriptor::VectorRegister());
+      __ pop(VectorLoadICDescriptor::SlotRegister());
+    }
+
     if (leave_frame) __ leave();
 
     // Jump to the first instruction in the code stub.
     __ add(extra, Immediate(Code::kHeaderSize - kHeapObjectTag));
     __ jmp(extra);
 
     __ bind(&miss);
   } else {
     // Save the offset on the stack.
     __ push(offset);
@@ skipping 111 matching lines @@
   __ bind(&miss);
   __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1);
 }
 
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32