[clang] [llvm] [RISCV] Support Zama16b1p0 (PR #88474)

[Pengcheng Wang via cfe-commits]

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@@ -704,6 +705,12 @@
 // RUN:   -o - | FileCheck --check-prefix=CHECK-ZACAS-EXT %s
 // CHECK-ZACAS-EXT: __riscv_zacas 1000000{{$}}
 
+// RUN: %clang --target=riscv32 -march=rv32izama16b -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZAMA16B-EXT %s
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wangpc-pp wrote:

We need to indent 2 spaces here.

https://github.com/llvm/llvm-project/pull/88474