================
@@ -176,6 +176,13 @@ def HasStdExtZicfiss :
Predicate<"Subtarget->hasStdExtZicfiss()">,
"'Zicfiss' (Shadow stack)">;
def NoHasStdExtZicfiss : Predicate<"!Subtarget->hasStdExtZicfiss()">;
+def FeatureStdExtZilsd
+ : RISCVExtension<1, 0,
+ "Load/Store Pair Instructions">;
----------------
dong-miao wrote:
You mean what benefits does the zilsd extension bring to RV32? The relevant
benefits are mentioned in Chapter 1. Introduction of the [specification
document](https://drive.google.com/file/d/1oMMxKJSuNKNcjiZdJEPeUqOCxr8VcxCn/view).
https://github.com/llvm/llvm-project/pull/131094
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