1 files changed, 9 insertions, 0 deletions
diff --git a/riscv/insns/kmmwb2.h b/riscv/insns/kmmwb2.h
new file mode 100644
index 0000000..8574aa5
--- /dev/null
+++ b/riscv/insns/kmmwb2.h
@@ -0,0 +1,9 @@
+P_LOOP(32, {
+  if((INT32_MIN != ps1) | (INT16_MIN != P_SH(ps2, 0))) {
+    int64_t mres = ((int64_t) ps1 * P_SH(ps2, 0)) << 1;
+    pd = mres >> 16;
+  } else {
+    pd = INT32_MAX;
+    P_SET_OV(1);
+  }
+})
+\ No newline at end of file