Allow a platform to indicate that some CPU features are always...

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 87 matching lines @@
   __ and_(edx, Operand(esp, 4));
   __ cmp(edx, 3);
   __ cmp(edx, Operand(esp, 4));
   __ cmp(Operand(ebp, ecx, times_4, 0), Immediate(1000));
   Handle<FixedArray> foo2 = Factory::NewFixedArray(10, TENURED);
   __ cmp(ebx, foo2);
   __ or_(edx, 3);
   __ xor_(edx, 3);
   __ nop();
   {
-    CHECK(CpuFeatures::IsSupported(CpuFeatures::CPUID));
-    CpuFeatures::Scope fscope(CpuFeatures::CPUID);
+    CHECK(CpuFeatures::IsSupported(CPUID));
+    CpuFeatures::Scope fscope(CPUID);
     __ cpuid();
   }
   {
-    CHECK(CpuFeatures::IsSupported(CpuFeatures::RDTSC));
-    CpuFeatures::Scope fscope(CpuFeatures::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));
   __ shld(edx, Operand(ecx));
@@ skipping 221 matching lines @@
   __ fdiv(3);
 
   __ faddp(3);
   __ fsubp(3);
   __ fmulp(3);
   __ fdivp(3);
   __ fcompp();
   __ fwait();
   __ nop();
   {
-    CHECK(CpuFeatures::IsSupported(CpuFeatures::SSE2));
-    CpuFeatures::Scope fscope(CpuFeatures::SSE2);
+    CHECK(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);
     __ comisd(xmm0, xmm1);
   }
 
   // cmov.
   {
-    CHECK(CpuFeatures::IsSupported(CpuFeatures::CMOV));
-    CpuFeatures::Scope use_cmov(CpuFeatures::CMOV);
+    CHECK(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));
@@ skipping 16 matching lines @@
   CHECK(code->IsCode());
 #ifdef DEBUG
   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 __