[llvm] [X86][MC] Add assembly alias for CCMP, CTEST, SETZUCC, CMPCCXADD (PR #102284)

[Shengchen Kan via llvm-commits]

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@@ -124,19 +124,31 @@ def : InstAlias<"ccmp"#Cond#"{q} $dcf\t{$src2, $src1|$src1, $src2}",
 defm : CCMP_Aliases<"o" ,  0>;
 defm : CCMP_Aliases<"no",  1>;
 defm : CCMP_Aliases<"b" ,  2>;
+defm : CCMP_Aliases<"c" ,  2>;
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KanRobert wrote:

What does `c` mean?

https://github.com/llvm/llvm-project/pull/102284