================
@@ -856,6 +856,19 @@ void RISCVISAInfo::updateImplication() {
});
}
+ // Add Zcd if C and D are enabled.
+ if (Exts.count("c") && Exts.count("d") && !Exts.count("zcd")) {
+ auto Version = findDefaultVersion("zcd");
+ Exts["zcd"] = *Version;
+ }
+
+ // Add Zcf if C and F are enabled on RV32.
+ if (XLen == 32 && Exts.count("c") && Exts.count("f") &&
+ !Exts.count("zcf")) {
+ auto Version = findDefaultVersion("zcf");
+ Exts["zcf"] = *Version;
+ }
----------------
lenary wrote:
I had concerns about this code for e.g. `march=rv32idc`, which should enable
both `zcf` and `zcd`. Thankfully, the worklist processing will add `f` when `d`
is specified, before this runs, so I don't think it's a problem.
https://github.com/llvm/llvm-project/pull/132259
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