Require SSE2 support for the ia32 port.

src/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 "v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
 #include "ic-inl.h"
 #include "codegen.h"
@@ skipping 509 matching lines @@
         __ j(equal, &do_store, Label::kNear);
       }
       __ bind(&do_store);
     }
   } else if (representation.IsDouble()) {
     Label do_store, heap_number;
     __ AllocateHeapNumber(storage_reg, scratch1, scratch2, slow);
 
     __ JumpIfNotSmi(value_reg, &heap_number);
     __ SmiUntag(value_reg);
-    if (CpuFeatures::IsSupported(SSE2)) {
-      CpuFeatureScope use_sse2(masm, SSE2);
-      __ Cvtsi2sd(xmm0, value_reg);
-    } else {
-      __ push(value_reg);
-      __ fild_s(Operand(esp, 0));
-      __ pop(value_reg);
-    }
+    __ Cvtsi2sd(xmm0, value_reg);
     __ SmiTag(value_reg);
     __ jmp(&do_store);
 
     __ bind(&heap_number);
     __ CheckMap(value_reg, masm->isolate()->factory()->heap_number_map(),
                 miss_label, DONT_DO_SMI_CHECK);
-    if (CpuFeatures::IsSupported(SSE2)) {
-      CpuFeatureScope use_sse2(masm, SSE2);
-      __ movsd(xmm0, FieldOperand(value_reg, HeapNumber::kValueOffset));
-    } else {
-      __ fld_d(FieldOperand(value_reg, HeapNumber::kValueOffset));
-    }
+    __ movsd(xmm0, FieldOperand(value_reg, HeapNumber::kValueOffset));
 
     __ bind(&do_store);
-    if (CpuFeatures::IsSupported(SSE2)) {
-      CpuFeatureScope use_sse2(masm, SSE2);
-      __ movsd(FieldOperand(storage_reg, HeapNumber::kValueOffset), xmm0);
-    } else {
-      __ fstp_d(FieldOperand(storage_reg, HeapNumber::kValueOffset));
-    }
+    __ movsd(FieldOperand(storage_reg, HeapNumber::kValueOffset), xmm0);
   }
 
   // Stub never generated for non-global objects that require access
   // checks.
   ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
 
   // Perform map transition for the receiver if necessary.
   if (details.type() == FIELD &&
       object->map()->unused_property_fields() == 0) {
     // The properties must be extended before we can store the value.
@@ skipping 146 matching lines @@
     } else {
       __ mov(scratch1, FieldOperand(receiver_reg, JSObject::kPropertiesOffset));
       int offset = index * kPointerSize + FixedArray::kHeaderSize;
       __ mov(scratch1, FieldOperand(scratch1, offset));
     }
 
     // Store the value into the storage.
     Label do_store, heap_number;
     __ JumpIfNotSmi(value_reg, &heap_number);
     __ SmiUntag(value_reg);
-    if (CpuFeatures::IsSupported(SSE2)) {
-      CpuFeatureScope use_sse2(masm, SSE2);
-      __ Cvtsi2sd(xmm0, value_reg);
-    } else {
-      __ push(value_reg);
-      __ fild_s(Operand(esp, 0));
-      __ pop(value_reg);
-    }
+    __ Cvtsi2sd(xmm0, value_reg);
     __ SmiTag(value_reg);
     __ jmp(&do_store);
     __ bind(&heap_number);
     __ CheckMap(value_reg, masm->isolate()->factory()->heap_number_map(),
                 miss_label, DONT_DO_SMI_CHECK);
-    if (CpuFeatures::IsSupported(SSE2)) {
-      CpuFeatureScope use_sse2(masm, SSE2);
-      __ movsd(xmm0, FieldOperand(value_reg, HeapNumber::kValueOffset));
-    } else {
-      __ fld_d(FieldOperand(value_reg, HeapNumber::kValueOffset));
-    }
+    __ movsd(xmm0, FieldOperand(value_reg, HeapNumber::kValueOffset));
     __ bind(&do_store);
-    if (CpuFeatures::IsSupported(SSE2)) {
-      CpuFeatureScope use_sse2(masm, SSE2);
-      __ movsd(FieldOperand(scratch1, HeapNumber::kValueOffset), xmm0);
-    } else {
-      __ fstp_d(FieldOperand(scratch1, HeapNumber::kValueOffset));
-    }
+    __ movsd(FieldOperand(scratch1, HeapNumber::kValueOffset), xmm0);
     // Return the value (register eax).
     ASSERT(value_reg.is(eax));
     __ ret(0);
     return;
   }
 
   ASSERT(!representation.IsDouble());
   // TODO(verwaest): Share this code as a code stub.
   SmiCheck smi_check = representation.IsTagged()
       ? INLINE_SMI_CHECK : OMIT_SMI_CHECK;
@@ skipping 774 matching lines @@
   // -----------------------------------
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32