[llvm] [compiler-rt] [clang] [X86] Support more ISAs to enable __builtin_cpu_supports (PR #79086)

[Freddy Ye via cfe-commits]

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@@ -173,85 +173,84 @@ X86_FEATURE_COMPAT(AVX512VNNI,      "avx512vnni",            34)
 X86_FEATURE_COMPAT(AVX512BITALG,    "avx512bitalg",          35)
 X86_FEATURE_COMPAT(AVX512BF16,      "avx512bf16",            36)
 X86_FEATURE_COMPAT(AVX512VP2INTERSECT, "avx512vp2intersect", 37)
-// Features below here are not in libgcc/compiler-rt.
-X86_FEATURE       (3DNOW,           "3dnow")
+X86_FEATURE_COMPAT(3DNOW,           "3dnow",                  0)
 X86_FEATURE       (3DNOWA,          "3dnowa")
+X86_FEATURE_COMPAT(ADX,             "adx",                    0)
 X86_FEATURE       (64BIT,           "64bit")
-X86_FEATURE       (ADX,             "adx")
-X86_FEATURE       (AMX_BF16,        "amx-bf16")
-X86_FEATURE       (AMX_COMPLEX,     "amx-complex")
-X86_FEATURE       (AMX_INT8,        "amx-int8")
-X86_FEATURE       (AMX_TILE,        "amx-tile")
-X86_FEATURE       (CLDEMOTE,        "cldemote")
-X86_FEATURE       (CLFLUSHOPT,      "clflushopt")
-X86_FEATURE       (CLWB,            "clwb")
-X86_FEATURE_COMPAT(F16C,            "f16c",                  38)
-X86_FEATURE       (CLZERO,          "clzero")
-X86_FEATURE       (CMPXCHG16B,      "cx16")
-X86_FEATURE       (CMPXCHG8B,       "cx8")
+X86_FEATURE_COMPAT(CLDEMOTE,        "cldemote",               0)
+X86_FEATURE_COMPAT(CLFLUSHOPT,      "clflushopt",             0)
+X86_FEATURE_COMPAT(CLWB,            "clwb",                   0)
+X86_FEATURE_COMPAT(CLZERO,          "clzero",                 0)
+X86_FEATURE_COMPAT(CMPXCHG16B,      "cx16",                   0)
+X86_FEATURE_COMPAT(CMPXCHG8B,       "cx8",                    0)
+X86_FEATURE_COMPAT(ENQCMD,          "enqcmd",                 0)
+X86_FEATURE_COMPAT(F16C,            "f16c",                   0)
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FreddyLeaf wrote:

first `f16c` should not be set higher priority than `avx512f`. higher priority means it can imply all the ISAs lower than it.

https://github.com/llvm/llvm-project/pull/79086