1 files changed, 18 insertions, 0 deletions
diff --git a/riscv/insns/psshl_hs.h b/riscv/insns/psshl_hs.h
new file mode 100644
index 00000000..459289e1
--- /dev/null
+++ b/riscv/insns/psshl_hs.h
@@ -0,0 +1,18 @@
+sreg_t sshamt = P_FIELD(RS2, 0, 8);
+P_RD_RS1_LOOP(16, 16, {
+  if (sshamt < 0) {
+    if (sshamt <= -16)
+      p_rd = 0;
+    else
+      p_rd = (uint16_t)p_rs1 >> (-sshamt);
+  } else {
+    uint32_t shx = (sshamt >= 16) ? ((uint32_t)(uint16_t)p_rs1 << 16) : ((uint32_t)(uint16_t)p_rs1 << sshamt);
+    if (shx > 0xFFFF) {
+      P.VU.vxsat->write(1);
+      p_rd = 0xFFFF;
+    } else {
+      p_rd = (uint16_t)shx;
+    }
+  }
+})
+