[WIP][turbofan] Instruction scheduler for Turbofan.

tools/gyp/v8.gyp

Index: tools/gyp/v8.gyp
diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp
index 2b729d8e38cbf4fc3706508a62da317a60578190..70f28153dae8ffa2c1f077a3c74ce3a7ef551cf7 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -512,6 +512,8 @@
         '../../src/compiler/instruction-selector-impl.h',
         '../../src/compiler/instruction-selector.cc',
         '../../src/compiler/instruction-selector.h',
+        '../../src/compiler/instruction-scheduler.cc',
+        '../../src/compiler/instruction-scheduler.h',
         '../../src/compiler/instruction.cc',
         '../../src/compiler/instruction.h',
         '../../src/compiler/interpreter-assembler.cc',
@@ -1087,6 +1089,7 @@
             '../../src/arm/simulator-arm.h',
             '../../src/compiler/arm/code-generator-arm.cc',
             '../../src/compiler/arm/instruction-codes-arm.h',
+            '../../src/compiler/arm/instruction-scheduler-arm.cc',
             '../../src/compiler/arm/instruction-selector-arm.cc',
             '../../src/crankshaft/arm/lithium-arm.cc',
             '../../src/crankshaft/arm/lithium-arm.h',
@@ -1140,6 +1143,7 @@
             '../../src/arm64/utils-arm64.h',
             '../../src/compiler/arm64/code-generator-arm64.cc',
             '../../src/compiler/arm64/instruction-codes-arm64.h',
+            '../../src/compiler/arm64/instruction-scheduler-arm64.cc',
             '../../src/compiler/arm64/instruction-selector-arm64.cc',
             '../../src/crankshaft/arm64/delayed-masm-arm64.cc',
             '../../src/crankshaft/arm64/delayed-masm-arm64.h',
@@ -1181,6 +1185,7 @@
             '../../src/ia32/macro-assembler-ia32.h',
             '../../src/compiler/ia32/code-generator-ia32.cc',
             '../../src/compiler/ia32/instruction-codes-ia32.h',
+            '../../src/compiler/ia32/instruction-scheduler-ia32.cc',
             '../../src/compiler/ia32/instruction-selector-ia32.cc',
             '../../src/crankshaft/ia32/lithium-codegen-ia32.cc',
             '../../src/crankshaft/ia32/lithium-codegen-ia32.h',
@@ -1219,6 +1224,7 @@
             '../../src/x87/macro-assembler-x87.h',
             '../../src/compiler/x87/code-generator-x87.cc',
             '../../src/compiler/x87/instruction-codes-x87.h',
+            '../../src/compiler/x87/instruction-scheduler-x87.cc',
             '../../src/compiler/x87/instruction-selector-x87.cc',
             '../../src/crankshaft/x87/lithium-codegen-x87.cc',
             '../../src/crankshaft/x87/lithium-codegen-x87.h',
@@ -1261,6 +1267,7 @@
             '../../src/mips/simulator-mips.h',
             '../../src/compiler/mips/code-generator-mips.cc',
             '../../src/compiler/mips/instruction-codes-mips.h',
+            '../../src/compiler/mips/instruction-scheduler-mips.cc',
             '../../src/compiler/mips/instruction-selector-mips.cc',
             '../../src/crankshaft/mips/lithium-codegen-mips.cc',
             '../../src/crankshaft/mips/lithium-codegen-mips.h',
@@ -1303,6 +1310,7 @@
             '../../src/mips64/simulator-mips64.h',
             '../../src/compiler/mips64/code-generator-mips64.cc',
             '../../src/compiler/mips64/instruction-codes-mips64.h',
+            '../../src/compiler/mips64/instruction-scheduler-mips64.cc',
             '../../src/compiler/mips64/instruction-selector-mips64.cc',
             '../../src/crankshaft/mips64/lithium-codegen-mips64.cc',
             '../../src/crankshaft/mips64/lithium-codegen-mips64.h',
@@ -1360,6 +1368,7 @@
           'sources': [
             '../../src/compiler/x64/code-generator-x64.cc',
             '../../src/compiler/x64/instruction-codes-x64.h',
+            '../../src/compiler/x64/instruction-scheduler-x64.cc',
             '../../src/compiler/x64/instruction-selector-x64.cc',
           ],
         }],
@@ -1367,6 +1376,7 @@
           'sources': [  ### gcmole(arch:ppc) ###
             '../../src/compiler/ppc/code-generator-ppc.cc',
             '../../src/compiler/ppc/instruction-codes-ppc.h',
+            '../../src/compiler/ppc/instruction-scheduler-ppc.cc',
             '../../src/compiler/ppc/instruction-selector-ppc.cc',
             '../../src/crankshaft/ppc/lithium-ppc.cc',
             '../../src/crankshaft/ppc/lithium-ppc.h',