8365200: RISC-V: compiler/loopopts/superword/TestGeneralizedReductions.java fails with Zvbb and vlen=128

Reviewed-by: fyang, fjiang

Author: DingliZhang

test/hotspot/jtreg/compiler/loopopts/superword/TestGeneralizedReductions.java

@@ -160,13 +160,13 @@ private static long testReductionOnPartiallyUnrolledLoopWithSwappedInputs(long[]
 
     @Test
     @IR(applyIfCPUFeatureOr = {"avx2", "true"},
-        applyIfAnd = {"SuperWordReductions", "true","UsePopCountInstruction", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "UsePopCountInstruction", "true"},
         applyIfPlatform = {"64-bit", "true"},
         counts = {IRNode.ADD_REDUCTION_VI, ">= 1",
                   IRNode.POPCOUNT_VL, ">= 1"})
     @IR(applyIfPlatform = {"riscv64", "true"},
         applyIfCPUFeatureOr = {"zvbb", "true"},
-        applyIfAnd = {"SuperWordReductions", "true","UsePopCountInstruction", "true"},
+        applyIfAnd = {"SuperWordReductions", "true", "UsePopCountInstruction", "true", "MaxVectorSize", ">=32"},
         counts = {IRNode.ADD_REDUCTION_VI, ">= 1",
                   IRNode.POPCOUNT_VL, ">= 1"})
     private static long testMapReductionOnGlobalAccumulator(long[] array) {