================
@@ -717,6 +716,16 @@ RISCVISAInfo::parseArchString(StringRef Arch, bool
EnableExperimentalExtension,
} while (!Ext.empty());
}
+ // We add Zicsr/Zifenci as final to allow duplicated "zicsr"/"zifencei" like
+ // "rv64g_zicsr_zifencei".
+ if (Baseline == 'g') {
+ for (const char *Ext : RISCVGImplicationsZi) {
+ auto Version = findDefaultVersion(Ext);
+ assert(Version && "Default extension version not found?");
+ ISAInfo->Exts[std::string(Ext)] = {Version->Major, Version->Minor};
----------------
topperc wrote:
Maybe we should skip this assignment if it is already in the string. The user
could pass a different version number than the default. Though we only allow
the default version from the user today.
https://github.com/llvm/llvm-project/pull/136842
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