[WIP][turbofan] Instruction scheduler for Turbofan.

src/globals.h

Index: src/globals.h
diff --git a/src/globals.h b/src/globals.h
index 2b73cb04cf3073b6fd7a76c17a4c335a2f011784..3c71ed0f94f209c3db2c8faa2337d5bc018d893c 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -30,6 +30,13 @@
 # define V8_INFINITY INFINITY
 #endif
 
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X64 || \
+    V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_ARM64
+#define V8_TURBOFAN_INSTRUCTION_SCHEDULING 1
+#else
+#define V8_TURBOFAN_INSTRUCTION_SCHEDULING 0
+#endif

[Jarin, 2015/11/24 11:43:03]

I think it would be better to remove this and instead introduce
instruction-scheduler-xyz.cc for each architecture.

[baptiste.afsa1, 2015/12/01 09:08:43]

Done.

+
 namespace v8 {
 
 namespace base {