VM initialization refactoring.

test/cctest/test-disasm-ia32.cc

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 40 matching lines @@
 
 
 static void DummyStaticFunction(Object* result) {
 }
 
 
 TEST(DisasmIa320) {
   InitializeVM();
   v8::HandleScope scope;
   v8::internal::byte buffer[2048];
-  Assembler assm(buffer, sizeof buffer);
+  Assembler assm(Isolate::Current(), buffer, sizeof buffer);
   DummyStaticFunction(NULL);  // just bloody use it (DELETE; debugging)
 
   // Short immediate instructions
   __ adc(eax, 12345678);
   __ add(Operand(eax), Immediate(12345678));
   __ or_(eax, 12345678);
   __ sub(Operand(eax), Immediate(12345678));
   __ xor_(eax, 12345678);
   __ and_(eax, 12345678);
   Handle<FixedArray> foo = FACTORY->NewFixedArray(10, TENURED);
@@ skipping 28 matching lines @@
   __ cmp(edx, Operand(esp, 4));
   __ cmp(Operand(ebp, ecx, times_4, 0), Immediate(1000));
   Handle<FixedArray> foo2 = FACTORY->NewFixedArray(10, TENURED);
   __ cmp(ebx, foo2);
   __ cmpb(ebx, Operand(ebp, ecx, times_2, 0));
   __ cmpb(Operand(ebp, ecx, times_2, 0), ebx);
   __ or_(edx, 3);
   __ xor_(edx, 3);
   __ nop();
   {
-    CHECK(Isolate::Current()->cpu_features()->IsSupported(CPUID));
+    CHECK(CpuFeatures::IsSupported(CPUID));
     CpuFeatures::Scope fscope(CPUID);
     __ cpuid();
   }
   {
-    CHECK(Isolate::Current()->cpu_features()->IsSupported(RDTSC));
+    CHECK(CpuFeatures::IsSupported(RDTSC));
     CpuFeatures::Scope fscope(RDTSC);
     __ rdtsc();
   }
   __ movsx_b(edx, Operand(ecx));
   __ movsx_w(edx, Operand(ecx));
   __ movzx_b(edx, Operand(ecx));
   __ movzx_w(edx, Operand(ecx));
 
   __ nop();
   __ imul(edx, Operand(ecx));
@@ skipping 242 matching lines @@
   __ fdiv(3);
 
   __ faddp(3);
   __ fsubp(3);
   __ fmulp(3);
   __ fdivp(3);
   __ fcompp();
   __ fwait();
   __ nop();
   {
-    if (Isolate::Current()->cpu_features()->IsSupported(SSE2)) {
+    if (CpuFeatures::IsSupported(SSE2)) {
       CpuFeatures::Scope fscope(SSE2);
       __ cvttss2si(edx, Operand(ebx, ecx, times_4, 10000));
       __ cvtsi2sd(xmm1, Operand(ebx, ecx, times_4, 10000));
       __ addsd(xmm1, xmm0);
       __ mulsd(xmm1, xmm0);
       __ subsd(xmm1, xmm0);
       __ divsd(xmm1, xmm0);
       __ movdbl(xmm1, Operand(ebx, ecx, times_4, 10000));
       __ movdbl(Operand(ebx, ecx, times_4, 10000), xmm1);
       __ ucomisd(xmm0, xmm1);
 
       // 128 bit move instructions.
       __ movdqa(xmm0, Operand(ebx, ecx, times_4, 10000));
       __ movdqa(Operand(ebx, ecx, times_4, 10000), xmm0);
       __ movdqu(xmm0, Operand(ebx, ecx, times_4, 10000));
       __ movdqu(Operand(ebx, ecx, times_4, 10000), xmm0);
     }
   }
 
   // cmov.
   {
-    if (Isolate::Current()->cpu_features()->IsSupported(CMOV)) {
+    if (CpuFeatures::IsSupported(CMOV)) {
       CpuFeatures::Scope use_cmov(CMOV);
       __ cmov(overflow, eax, Operand(eax, 0));
       __ cmov(no_overflow, eax, Operand(eax, 1));
       __ cmov(below, eax, Operand(eax, 2));
       __ cmov(above_equal, eax, Operand(eax, 3));
       __ cmov(equal, eax, Operand(ebx, 0));
       __ cmov(not_equal, eax, Operand(ebx, 1));
       __ cmov(below_equal, eax, Operand(ebx, 2));
       __ cmov(above, eax, Operand(ebx, 3));
       __ cmov(sign, eax, Operand(ecx, 0));
       __ cmov(not_sign, eax, Operand(ecx, 1));
       __ cmov(parity_even, eax, Operand(ecx, 2));
       __ cmov(parity_odd, eax, Operand(ecx, 3));
       __ cmov(less, eax, Operand(edx, 0));
       __ cmov(greater_equal, eax, Operand(edx, 1));
       __ cmov(less_equal, eax, Operand(edx, 2));
       __ cmov(greater, eax, Operand(edx, 3));
     }
   }
 
   // andpd, cmpltsd, movaps, psllq, psrlq, por.
   {
-    if (Isolate::Current()->cpu_features()->IsSupported(SSE2)) {
+    if (CpuFeatures::IsSupported(SSE2)) {
       CpuFeatures::Scope fscope(SSE2);
       __ andpd(xmm0, xmm1);
       __ andpd(xmm1, xmm2);
 
       __ cmpltsd(xmm0, xmm1);
       __ cmpltsd(xmm1, xmm2);
 
       __ movaps(xmm0, xmm1);
       __ movaps(xmm1, xmm2);
 
       __ psllq(xmm0, 17);
       __ psllq(xmm1, 42);
 
       __ psllq(xmm0, xmm1);
       __ psllq(xmm1, xmm2);
 
       __ psrlq(xmm0, 17);
       __ psrlq(xmm1, 42);
 
       __ psrlq(xmm0, xmm1);
       __ psrlq(xmm1, xmm2);
 
       __ por(xmm0, xmm1);
       __ por(xmm1, xmm2);
     }
   }
 
   {
-    if (Isolate::Current()->cpu_features()->IsSupported(SSE4_1)) {
+    if (CpuFeatures::IsSupported(SSE4_1)) {
       CpuFeatures::Scope scope(SSE4_1);
       __ pextrd(Operand(eax), xmm0, 1);
       __ pinsrd(xmm1, Operand(eax), 0);
     }
   }
 
   __ ret(0);
 
   CodeDesc desc;
   assm.GetCode(&desc);
   Object* code = HEAP->CreateCode(
       desc,
       Code::ComputeFlags(Code::STUB),
       Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
   CHECK(code->IsCode());
 #ifdef OBJECT_PRINT
   Code::cast(code)->Print();
   byte* begin = Code::cast(code)->instruction_start();
   byte* end = begin + Code::cast(code)->instruction_size();
   disasm::Disassembler::Disassemble(stdout, begin, end);
 #endif
 }
 
 #undef __