[llvm] [X86] Don't assume the FPCLASS category mask is a literal (PR #213171)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,18 @@
+// RUN: llvm-mc -triple x86_64-unknown-unknown -mattr=+avx512dq,+avx512vl %s | FileCheck %s
+// RUN: llvm-mc -triple x86_64-unknown-unknown -mattr=+avx512dq,+avx512vl --show-encoding %s | FileCheck %s --check-prefix=ENC
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arsenm wrote:

I don't see the point of both run lines. the --show-encoding case is a superset of the other 

https://github.com/llvm/llvm-project/pull/213171