[PATCH] D48580: [AArch64] Support reserving x1-7 registers.

[Manoj Gupta via Phabricator via llvm-commits]

manojgupta added inline comments.


================
Comment at: lib/Target/AArch64/AArch64.td:102
 
-def FeatureReserveX18 : SubtargetFeature<"reserve-x18", "ReserveX18", "true",
-                                         "Reserve X18, making it unavailable "
-                                         "as a GPR">;
-
-def FeatureReserveX20 : SubtargetFeature<"reserve-x20", "ReserveX20", "true",
-                                         "Reserve X20, making it unavailable "
-                                         "as a GPR">;
+foreach i = {1-7,18,20} in
+    def FeatureReserveX#i : SubtargetFeature<"reserve-x"#i, "ReserveXRegister["#i#"]", "true",
----------------
Can you support reserving all of the registers instead of a subset?


https://reviews.llvm.org/D48580