[llvm] [X86][MC] Support Enc/Dec for EGPR for promoted CRC32 (PR #76434)

[via llvm-commits]

================
@@ -6699,28 +6699,30 @@ let Constraints = "$src1 = $dst" in {
                                    null_frag>, REX_W;
   }
 
+  let Predicates = [In64BitMode] in {
----------------
XinWang10 wrote:

Nice catch, will fix.

https://github.com/llvm/llvm-project/pull/76434