[llvm] [clang] [RISCV][MC] Add experimental support of Zaamo and Zalrsc (PR #78970)

[Wang Pengcheng via cfe-commits]

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@@ -1307,6 +1309,13 @@
 // CHECK-ZVKT-EXT: __riscv_zvkt 1000000{{$}}
 
 // Experimental extensions
+// RUN: %clang --target=riscv32 -menable-experimental-extensions \
+// RUN: -march=rv32i_zaamo0p1 -x c -E -dM %s \
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wangpc-pp wrote:

Sorry for that I forgot to update this part...

https://github.com/llvm/llvm-project/pull/78970