diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/MinMaxRed_Int.java b/test/hotspot/jtreg/compiler/loopopts/superword/MinMaxRed_Int.java
index 9b17fa710dedd..54c1e4f1e46b9 100644
--- a/test/hotspot/jtreg/compiler/loopopts/superword/MinMaxRed_Int.java
+++ b/test/hotspot/jtreg/compiler/loopopts/superword/MinMaxRed_Int.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -93,6 +93,9 @@ public static void ReductionInit(int[] a, int[] b) {
     @IR(applyIf = {"SuperWordReductions", "true"},
         applyIfCPUFeatureOr = { "sse4.1", "true" , "asimd" , "true"},
         counts = {IRNode.MIN_REDUCTION_V, " > 0"})
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        counts = {IRNode.MIN_REDUCTION_V, " > 0"})
     public static int minReductionImplement(int[] a, int[] b, int res) {
         for (int i = 0; i < a.length; i++) {
             res = Math.min(res, a[i] * b[i]);
@@ -104,6 +107,9 @@ public static int minReductionImplement(int[] a, int[] b, int res) {
     @IR(applyIf = {"SuperWordReductions", "true"},
         applyIfCPUFeatureOr = { "sse4.1", "true" , "asimd" , "true"},
         counts = {IRNode.MAX_REDUCTION_V, " > 0"})
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        counts = {IRNode.MAX_REDUCTION_V, " > 0"})
     public static int maxReductionImplement(int[] a, int[] b, int res) {
         for (int i = 0; i < a.length; i++) {
             res = Math.max(res, a[i] * b[i]);
diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/RedTest_int.java b/test/hotspot/jtreg/compiler/loopopts/superword/RedTest_int.java
index faece0cbf9f3f..d4b6777ded86a 100644
--- a/test/hotspot/jtreg/compiler/loopopts/superword/RedTest_int.java
+++ b/test/hotspot/jtreg/compiler/loopopts/superword/RedTest_int.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -135,6 +135,10 @@ public static void reductionInit2(
     @IR(applyIfCPUFeature = {"sse4.1", "true"},
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         counts = {IRNode.ADD_REDUCTION_VI, ">= 1", IRNode.ADD_REDUCTION_VI, "<= 2"}) // one for main-loop, one for vector-post-loop
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.ADD_REDUCTION_VI, ">= 1", IRNode.ADD_REDUCTION_VI, "<= 2"}) // one for main-loop, one for vector-post-loop
     public static int sumReductionImplement(
             int[] a,
             int[] b,
@@ -152,6 +156,10 @@ public static int sumReductionImplement(
     @IR(applyIfCPUFeature = {"sse4.1", "true"},
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         counts = {IRNode.OR_REDUCTION_V, ">= 1", IRNode.OR_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.OR_REDUCTION_V, ">= 1", IRNode.OR_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
     public static int orReductionImplement(
             int[] a,
             int[] b,
@@ -169,6 +177,10 @@ public static int orReductionImplement(
     @IR(applyIfCPUFeature = {"sse4.1", "true"},
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         counts = {IRNode.AND_REDUCTION_V, ">= 1", IRNode.AND_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.AND_REDUCTION_V, ">= 1", IRNode.AND_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
     public static int andReductionImplement(
             int[] a,
             int[] b,
@@ -186,6 +198,10 @@ public static int andReductionImplement(
     @IR(applyIfCPUFeature = {"sse4.1", "true"},
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         counts = {IRNode.XOR_REDUCTION_V, ">= 1", IRNode.XOR_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.XOR_REDUCTION_V, ">= 1", IRNode.XOR_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
     public static int xorReductionImplement(
             int[] a,
             int[] b,
diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/RedTest_long.java b/test/hotspot/jtreg/compiler/loopopts/superword/RedTest_long.java
index b840d1914b2f7..63228330ed5de 100644
--- a/test/hotspot/jtreg/compiler/loopopts/superword/RedTest_long.java
+++ b/test/hotspot/jtreg/compiler/loopopts/superword/RedTest_long.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -138,6 +138,10 @@ public static void reductionInit2(
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         applyIfPlatform = {"64-bit", "true"},
         counts = {IRNode.ADD_REDUCTION_VL, ">= 1", IRNode.ADD_REDUCTION_VL, "<= 2"}) // one for main-loop, one for vector-post-loop
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.ADD_REDUCTION_VL, ">= 1", IRNode.ADD_REDUCTION_VL, "<= 2"}) // one for main-loop, one for vector-post-loop
     public static long sumReductionImplement(
             long[] a,
             long[] b,
@@ -156,6 +160,10 @@ public static long sumReductionImplement(
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         applyIfPlatform = {"64-bit", "true"},
         counts = {IRNode.OR_REDUCTION_V, ">= 1", IRNode.OR_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.OR_REDUCTION_V, ">= 1", IRNode.OR_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
     public static long orReductionImplement(
             long[] a,
             long[] b,
@@ -174,6 +182,10 @@ public static long orReductionImplement(
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         applyIfPlatform = {"64-bit", "true"},
         counts = {IRNode.AND_REDUCTION_V, ">= 1", IRNode.AND_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.AND_REDUCTION_V, ">= 1", IRNode.AND_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
     public static long andReductionImplement(
             long[] a,
             long[] b,
@@ -192,6 +204,10 @@ public static long andReductionImplement(
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         applyIfPlatform = {"64-bit", "true"},
         counts = {IRNode.XOR_REDUCTION_V, ">= 1", IRNode.XOR_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.XOR_REDUCTION_V, ">= 1", IRNode.XOR_REDUCTION_V, "<= 2"}) // one for main-loop, one for vector-post-loop
     public static long xorReductionImplement(
             long[] a,
             long[] b,
diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Float.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Float.java
index f886daf903ff8..6e2d304c1496c 100644
--- a/test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Float.java
+++ b/test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Float.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -96,6 +96,12 @@ public static void sumReductionInit(
         counts = {IRNode.ADD_REDUCTION_VF, ">= 1",
                   IRNode.ABS_VF, IRNode.VECTOR_SIZE + "min(LoopMaxUnroll, max_float)", ">= 1",
                   IRNode.NEG_VF, IRNode.VECTOR_SIZE + "min(LoopMaxUnroll, max_float)", ">= 1"})
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.ADD_REDUCTION_VF, ">= 1",
+                  IRNode.ABS_VF, IRNode.VECTOR_SIZE + "min(LoopMaxUnroll, max_float)", ">= 1",
+                  IRNode.NEG_VF, IRNode.VECTOR_SIZE + "min(LoopMaxUnroll, max_float)", ">= 1"})
     public static float sumReductionImplement(
             float[] a,
             float[] b,
diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRedSqrt_Double.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRedSqrt_Double.java
index d0fd27d25b4ad..2965af2a63bf3 100644
--- a/test/hotspot/jtreg/compiler/loopopts/superword/SumRedSqrt_Double.java
+++ b/test/hotspot/jtreg/compiler/loopopts/superword/SumRedSqrt_Double.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -91,6 +91,10 @@ public static void sumReductionInit(
     @IR(applyIfCPUFeature = {"avx", "true"},
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         counts = {IRNode.ADD_REDUCTION_VD, ">= 1", IRNode.SQRT_VD, ">= 1"})
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.ADD_REDUCTION_VD, ">= 1", IRNode.SQRT_VD, ">= 1"})
     public static double sumReductionWithStoreImplement(
             double[] a,
             double[] b,
diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Double.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Double.java
index f0dd90611b488..0b81ae59bf0e0 100644
--- a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Double.java
+++ b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Double.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -109,6 +109,10 @@ public static double sumReductionImplement(
     @IR(applyIfCPUFeature = {"sse2", "true"},
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         counts = {IRNode.ADD_REDUCTION_VD, ">= 1"})
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.ADD_REDUCTION_VD, ">= 1"})
     public static double sumReductionWithStoreImplement(
             double[] a,
             double[] b,
diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Float.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Float.java
index 06fd3050a780f..f667f2d05c19e 100644
--- a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Float.java
+++ b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Float.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -92,6 +92,10 @@ public static void sumReductionInit(
     @IR(applyIfCPUFeature = {"sse2", "true"},
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         counts = {IRNode.ADD_REDUCTION_VF, ">= 1"})
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.ADD_REDUCTION_VF, ">= 1"})
     public static float sumReductionImplement(
             float[] a,
             float[] b,
diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Int.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Int.java
index ad6d9e45051f2..098dc2a7d1ea1 100644
--- a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Int.java
+++ b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Int.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -92,6 +92,10 @@ public static void sumReductionInit(
     @IR(applyIfCPUFeature = {"sse4.1", "true"},
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         counts = {IRNode.ADD_REDUCTION_VI, ">= 1", IRNode.ADD_REDUCTION_VI, "<= 2"}) // one for main-loop, one for vector-post-loop
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.ADD_REDUCTION_VI, ">= 1", IRNode.ADD_REDUCTION_VI, "<= 2"}) // one for main-loop, one for vector-post-loop
     public static int sumReductionImplement(
             int[] a,
             int[] b,
diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Long.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Long.java
index 0cbb027bf03a5..e803b33bd4f80 100644
--- a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Long.java
+++ b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Long.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -96,6 +96,10 @@ public static void sumReductionInit(
         applyIfCPUFeature = {"avx2", "true"},
         applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
         counts = {IRNode.ADD_REDUCTION_VL, ">= 1", IRNode.ADD_REDUCTION_VL, "<= 2"}) // one for main-loop, one for vector-post-loop
+    @IR(applyIfPlatform = {"riscv64", "true"},
+        applyIfCPUFeature = {"rvv", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "LoopMaxUnroll", ">= 8"},
+        counts = {IRNode.ADD_REDUCTION_VL, ">= 1", IRNode.ADD_REDUCTION_VL, "<= 2"}) // one for main-loop, one for vector-post-loop
     public static long sumReductionImplement(
             long[] a,
             long[] b,