[llvm] [X86][MC] Support decoding of EGPR for APX (PR #72102)

[Phoebe Wang via llvm-commits]

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@@ -0,0 +1,238 @@
+# RUN: llvm-mc -triple x86_64 -disassemble %s | FileCheck %s --check-prefix=ATT
+# RUN: llvm-mc -triple x86_64 -disassemble -output-asm-variant=1 %s | FileCheck %s --check-prefix=INTEL
+
+## R bit
+
+# ATT:   leal	(%rax), %r16d
+# INTEL: lea	r16d, [rax]
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phoebewang wrote:

Do we need a DWORD PTR for intel syntax?

https://github.com/llvm/llvm-project/pull/72102