From e0245682c8d5a0daae055045c81248c12fb23c09 Mon Sep 17 00:00:00 2001
From: Dingli Zhang <dzhang@openjdk.org>
Date: Wed, 9 Jul 2025 05:57:38 +0000
Subject: [PATCH] 8361532: RISC-V: Several vector tests fail after JDK-8354383

Reviewed-by: fyang, fjiang, gcao
---
 src/hotspot/cpu/riscv/riscv.ad | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/hotspot/cpu/riscv/riscv.ad b/src/hotspot/cpu/riscv/riscv.ad
index 716ffae27b5..9adcc1d9c5a 100644
--- a/src/hotspot/cpu/riscv/riscv.ad
+++ b/src/hotspot/cpu/riscv/riscv.ad
@@ -8426,6 +8426,17 @@ instruct castVV(vReg dst)
   ins_pipe(pipe_class_empty);
 %}
 
+instruct castVVMask(vRegMask dst)
+%{
+  match(Set dst (CastVV dst));
+
+  size(0);
+  format %{ "# castVV of $dst" %}
+  ins_encode(/* empty encoding */);
+  ins_cost(0);
+  ins_pipe(pipe_class_empty);
+%}
+
 // ============================================================================
 // Convert Instructions