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

[Shengchen Kan via llvm-commits]

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@@ -0,0 +1,73 @@
+# RUN: llvm-mc -triple x86_64 --show-encoding %s | FileCheck %s
+
+# CHECK: crc32b	%r16b, %r22d
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KanRobert wrote:

Missing test for code like `{evex} crc32b %eax, %ebx`

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