[clang] [llvm] [RISCV][P-ext] Support Packed Element Extract (PR #221565)

[Hongyu Chen via cfe-commits]

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@@ -0,0 +1,30 @@
+// REQUIRES: riscv-registered-target
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XChy wrote:

Yes, it does not generate any code. I just follow clang/test/CodeGen/RISCV/rvv-intrinsics-handcrafted/*-out-of-range.c. Will move it to Sema.

https://github.com/llvm/llvm-project/pull/221565