Move backend specific files to separate directories.

tools/visual_studio/v8_base.vcproj

Index: tools/visual_studio/v8_base.vcproj
diff --git a/tools/visual_studio/v8_base.vcproj b/tools/visual_studio/v8_base.vcproj
index 776e628d0f2c0ae0dc4de4053434b826e31a0d38..43c970d305bc2428d02529096a96bad8b7115941 100644
--- a/tools/visual_studio/v8_base.vcproj
+++ b/tools/visual_studio/v8_base.vcproj
@@ -177,15 +177,15 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\assembler-ia32-inl.h"
+				RelativePath="..\..\src\ia32\assembler-ia32-inl.h"
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\assembler-ia32.cc"
+				RelativePath="..\..\src\ia32\assembler-ia32.cc"
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\assembler-ia32.h"
+				RelativePath="..\..\src\ia32\assembler-ia32.h"
 				>
 			</File>
 			<File
@@ -221,7 +221,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\builtins-ia32.cc"
+				RelativePath="..\..\src\ia32\builtins-ia32.cc"
 				>
 			</File>
 			<File
@@ -265,11 +265,11 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\codegen-ia32.cc"
+				RelativePath="..\..\src\ia32\codegen-ia32.cc"
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\codegen-ia32.h"
+				RelativePath="..\..\src\ia32\codegen-ia32.h"
 				>
 			</File>
 			<File
@@ -329,7 +329,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\cpu-ia32.cc"
+				RelativePath="..\..\src\ia32\cpu-ia32.cc"
 				>
 			</File>
 			<File
@@ -353,7 +353,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\debug-ia32.cc"
+				RelativePath="..\..\src\ia32\debug-ia32.cc"
 				>
 			</File>
 			<File
@@ -397,11 +397,11 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\frames-ia32.cc"
+				RelativePath="..\..\src\ia32\frames-ia32.cc"
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\frames-ia32.h"
+				RelativePath="..\..\src\ia32\frames-ia32.h"
 				>
 			</File>
 			<File
@@ -469,7 +469,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\ic-ia32.cc"
+				RelativePath="..\..\src\ia32\ic-ia32.cc"
 				>
 			</File>
 			<File
@@ -505,7 +505,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\jump-target-ia32.cc"
+				RelativePath="..\..\src\ia32\jump-target-ia32.cc"
 				>
 			</File>
 			<File
@@ -537,11 +537,11 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\macro-assembler-ia32.cc"
+				RelativePath="..\..\src\ia32\macro-assembler-ia32.cc"
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\macro-assembler-ia32.h"
+				RelativePath="..\..\src\ia32\macro-assembler-ia32.h"
 				>
 			</File>
 			<File
@@ -645,11 +645,11 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\regexp-macro-assembler-ia32.cc"
+				RelativePath="..\..\src\ia32\regexp-macro-assembler-ia32.cc"
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\regexp-macro-assembler-ia32.h"
+				RelativePath="..\..\src\ia32\regexp-macro-assembler-ia32.h"
 				>
 			</File>
 			<File
@@ -689,7 +689,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\register-allocator-ia32.cc"
+				RelativePath="..\..\src\ia32\register-allocator-ia32.cc"
 				>
 			</File>
 			<File
@@ -773,7 +773,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\stub-cache-ia32.cc"
+				RelativePath="..\..\src\ia32\stub-cache-ia32.cc"
 				>
 			</File>
 			<File
@@ -861,7 +861,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\virtual-frame-ia32.h"
+				RelativePath="..\..\src\ia32\virtual-frame-ia32.h"
 				>
 			</File>
 			<File
@@ -869,7 +869,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\virtual-frame-ia32.cc"
+				RelativePath="..\..\src\ia32\virtual-frame-ia32.cc"
 				>
 			</File>
 			<File
@@ -888,7 +888,7 @@
 				Name="third party"
 				>
 				<File
-					RelativePath="..\..\src\disasm-ia32.cc"
+					RelativePath="..\..\src\ia32\disasm-ia32.cc"
 					>
 				</File>
 				<File