[clang] [lld] [llvm] [RISCV] Support .note.gnu.property for enable Zicfiss and Zicfilp extension (PR #77414)

[Craig Topper via cfe-commits]

================
@@ -5272,8 +5272,16 @@ static std::string getGNUProperty(uint32_t Type, 
uint32_t DataSize,
     return OS.str();
   case GNU_PROPERTY_AARCH64_FEATURE_1_AND:
   case GNU_PROPERTY_X86_FEATURE_1_AND:
-    OS << ((Type == GNU_PROPERTY_AARCH64_FEATURE_1_AND) ? "aarch64 feature: "
-                                                        : "x86 feature: ");
+
+    if (Type == GNU_PROPERTY_AARCH64_FEATURE_1_AND) {
----------------
topperc wrote:

Add a static_assert that GNU_PROPERTY_AARCH64_FEATURE_1_AND and 
GNU_PROPERTY_RISCV_FEATURE_1_AND have the same value.

https://github.com/llvm/llvm-project/pull/77414
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