Subzero: Make -reg-use and -reg-exclude specific to register class.

src/IceTargetLoweringX8664.cpp

Index: src/IceTargetLoweringX8664.cpp
diff --git a/src/IceTargetLoweringX8664.cpp b/src/IceTargetLoweringX8664.cpp
index c023949476080c5e6c75bad4a001fd1fb4d4886e..17ecae4fddeb48c03434ab757e02ba6d8cf30728 100644
--- a/src/IceTargetLoweringX8664.cpp
+++ b/src/IceTargetLoweringX8664.cpp
@@ -841,7 +841,7 @@ enum _tmp_enum {
       _num
 };
 // Define a set of constants based on high-level table entries.
-#define X(tag, sizeLog2, align, elts, elty, str)                               \
+#define X(tag, sizeLog2, align, elts, elty, str, rcstr)                        \
   static const int _table1_##tag = IceType_##tag;
 ICETYPE_TABLE
 #undef X
@@ -855,7 +855,7 @@ ICETYPEX8664_TABLE
 #undef X
 // Repeat the static asserts with respect to the high-level table entries in
 // case the high-level table has extra entries.
-#define X(tag, sizeLog2, align, elts, elty, str)                               \
+#define X(tag, sizeLog2, align, elts, elty, str, rcstr)                        \
   static_assert(_table1_##tag == _table2_##tag,                                \
                 "Inconsistency between ICETYPEX8664_TABLE and ICETYPE_TABLE");
 ICETYPE_TABLE