Introduce x87 port

src/x87/assembler-x87-inl.h

Index: src/x87/assembler-x87-inl.h
diff --git a/src/ia32/assembler-ia32-inl.h b/src/x87/assembler-x87-inl.h
similarity index 98%
copy from src/ia32/assembler-ia32-inl.h
copy to src/x87/assembler-x87-inl.h
index 32ed3d81f17adf588d1f465984817df48a9ac944..ad2626e2a279c66d8858fe8f2fa9f7e8bcc441a1 100644
--- a/src/ia32/assembler-ia32-inl.h
+++ b/src/x87/assembler-x87-inl.h
@@ -34,10 +34,10 @@
 
 // A light-weight IA32 Assembler.
 
-#ifndef V8_IA32_ASSEMBLER_IA32_INL_H_
-#define V8_IA32_ASSEMBLER_IA32_INL_H_
+#ifndef V8_X87_ASSEMBLER_X87_INL_H_
+#define V8_X87_ASSEMBLER_X87_INL_H_
 
-#include "ia32/assembler-ia32.h"
+#include "x87/assembler-x87.h"
 
 #include "cpu.h"
 #include "debug.h"
@@ -45,7 +45,7 @@
 namespace v8 {
 namespace internal {
 
-bool CpuFeatures::SupportsCrankshaft() { return true; }
+bool CpuFeatures::SupportsCrankshaft() { return false; }
 
 
 static const byte kCallOpcode = 0xE8;
@@ -529,12 +529,6 @@ Operand::Operand(Register reg) {
 }
 
 
-Operand::Operand(XMMRegister xmm_reg) {
-  Register reg = { xmm_reg.code() };
-  set_modrm(3, reg);
-}
-
-
 Operand::Operand(int32_t disp, RelocInfo::Mode rmode) {
   // [disp/r]
   set_modrm(0, ebp);
@@ -543,4 +537,4 @@ Operand::Operand(int32_t disp, RelocInfo::Mode rmode) {
 
 } }  // namespace v8::internal
 
-#endif  // V8_IA32_ASSEMBLER_IA32_INL_H_
+#endif  // V8_X87_ASSEMBLER_X87_INL_H_