Revert "Revert "Upgrade to 5.0.71.48"" DO NOT MERGE

This reverts commit f2e3994fa5148cc3d9946666f0b0596290192b0e,
and updates the x64 makefile properly so it doesn't break that
build.

FPIIM-449

Change-Id: Ib83e35bfbae6af627451c926a9650ec57c045605
(cherry picked from commit 109988c7ccb6f3fd1a58574fa3dfb88beaef6632)
diff --git a/src/compiler/ia32/instruction-scheduler-ia32.cc b/src/compiler/ia32/instruction-scheduler-ia32.cc
index 0a8fcac..093bc22 100644
--- a/src/compiler/ia32/instruction-scheduler-ia32.cc
+++ b/src/compiler/ia32/instruction-scheduler-ia32.cc
@@ -61,8 +61,12 @@
     case kSSEFloat64Round:
     case kSSEFloat32ToFloat64:
     case kSSEFloat64ToFloat32:
+    case kSSEFloat32ToInt32:
+    case kSSEFloat32ToUint32:
     case kSSEFloat64ToInt32:
     case kSSEFloat64ToUint32:
+    case kSSEInt32ToFloat32:
+    case kSSEUint32ToFloat32:
     case kSSEInt32ToFloat64:
     case kSSEUint32ToFloat64:
     case kSSEFloat64ExtractLowWord32: