S390: Platform specific includes in common files

src/globals.h

Index: src/globals.h
diff --git a/src/globals.h b/src/globals.h
index 61cce5cade9afe5f1e9bf303788487ec89e7608a..e0ab698f4731cb1ba42cca68469bae6d6c44002f 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -59,6 +59,9 @@ namespace internal {
 #if (V8_TARGET_ARCH_MIPS64 && !V8_HOST_ARCH_MIPS64)
 #define USE_SIMULATOR 1
 #endif
+#if (V8_TARGET_ARCH_S390 && !V8_HOST_ARCH_S390)
+#define USE_SIMULATOR 1
+#endif
 #endif
 
 // Determine whether the architecture uses an embedded constant pool
@@ -697,10 +700,13 @@ enum CpuFeature {
   FPR_GPR_MOV,
   LWSYNC,
   ISELECT,
+  // S390
+  DISTINCT_OPS,
+  GENERAL_INSTR_EXT,
+  FLOATING_POINT_EXT,
   NUMBER_OF_CPU_FEATURES
 };
 
-
 // Defines hints about receiver values based on structural knowledge.
 enum class ConvertReceiverMode : unsigned {
   kNullOrUndefined,     // Guaranteed to be null or undefined.