================
@@ -161,14 +161,10 @@ struct CpuInfo {
StringRef Name; // Name, as written for -mcpu.
const ArchInfo &Arch;
AArch64::ExtensionBitset
- DefaultExtensions; // Default extensions for this CPU. These will be
- // ORd with the architecture defaults.
+ DefaultExtensions; // Default extensions for this CPU.
AArch64::ExtensionBitset getImpliedExtensions() const {
- AArch64::ExtensionBitset ImpliedExts;
- ImpliedExts |= DefaultExtensions;
- ImpliedExts |= Arch.DefaultExts;
- return ImpliedExts;
+ return DefaultExtensions;
----------------
tmatheson-arm wrote:
IIUC, the idea here is that we don't want to add the architecture's default
extensions to the CPU, because they are not mandatory, and there's no way to
disable them for a CPU that chooses not to implement. This is why all the CPUs
have had their list of features expanded.
https://github.com/llvm/llvm-project/pull/98267
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