[llvm] [X86][MC] Support Enc/Dec for EGPR for promoted SHA instruction (PR #75582)

[via llvm-commits]

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@@ -0,0 +1,9 @@
+# RUN: llvm-mc -triple x86_64 --show-encoding %s | FileCheck %s
+
+# CHECK: sha256rnds2	%xmm0, %xmm13, %xmm12
+# CHECK: encoding: [0x45,0x0f,0x38,0xcb,0xe5]
+         sha256rnds2	%xmm0, %xmm13, %xmm12
+
+# CHECK: sha256rnds2	%xmm0, 291(%r28,%r29,4), %xmm12
+# CHECK: encoding: [0x62,0x1c,0x78,0x08,0xdb,0xa4,0xac,0x23,0x01,0x00,0x00]
+         sha256rnds2	%xmm0, 291(%r28,%r29,4), %xmm12
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XinWang10 wrote:

Done

https://github.com/llvm/llvm-project/pull/75582