[llvm] [RISCV][llvm-mca] Use Sched*MC for Zvk MC instructions and add Zvk tests for P600 (PR #89256)

[Craig Topper via llvm-commits]

================
@@ -0,0 +1,128 @@
+# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
+# RUN: llvm-mca -mtriple=riscv64 -mcpu=sifive-p670 -iterations=1 < %s | FileCheck %s
+
+vsetvli zero, zero, e32, mf8, tu, mu
+vghsh.vv v4, v8, v12
+vgmul.vv v4, v8
+
+vsetvli zero, zero, e32, mf4, tu, mu
+vghsh.vv v4, v8, v12
+vgmul.vv v4, v8
+
+vsetvli zero, zero, e32, mf2, tu, mu
+vghsh.vv v4, v8, v12
+vgmul.vv v4, v8
+
+vsetvli zero, zero, e32, m1, tu, mu
+vghsh.vv v4, v8, v12
+vgmul.vv v4, v8
+
+vsetvli zero, zero, e32, m2, tu, mu
+vghsh.vv v4, v8, v12
+vgmul.vv v4, v8
+
+vsetvli zero, zero, e32, m4, tu, mu
+vghsh.vv v4, v8, v12
+vgmul.vv v4, v8
+
+vsetvli zero, zero, e32, m8, tu, mu
+vghsh.vv v4, v8, v12
----------------
topperc wrote:

Registers are not aligned for LMUL=8

https://github.com/llvm/llvm-project/pull/89256