8289801: [IR Framework] Add flags to whitelist which can be used to simulate a specific machine setup like UseAVX

Reviewed-by: kvn, xgong, thartmann

test/hotspot/jtreg/TEST.groups

@@ -84,6 +84,7 @@ hotspot_containers_extended = \
 
 hotspot_vector_1 = \
   compiler/c2/cr6340864 \
+  compiler/c2/irTests \
   compiler/codegen \
   compiler/loopopts/superword \
   compiler/vectorapi \

test/hotspot/jtreg/compiler/c2/irTests/TestVectorizeURShiftSubword.java

@@ -33,7 +33,7 @@ import jdk.test.lib.Utils;
  * @bug 8283307
  * @key randomness
  * @summary Auto-vectorization enhancement for unsigned shift right on signed subword types
- * @requires os.arch=="amd64" | os.arch=="x86_64" | os.arch=="aarch64"
+ * @requires ((os.arch=="amd64" | os.arch=="x86_64") & (vm.opt.UseSSE == "null" | vm.opt.UseSSE > 3)) | os.arch=="aarch64"
  * @library /test/lib /
  * @run driver compiler.c2.irTests.TestVectorizeURShiftSubword
  */

test/hotspot/jtreg/compiler/lib/ir_framework/TestFramework.java

@@ -133,6 +133,9 @@ public class TestFramework {
                     "CompileThreshold",
                     "Xmixed",
                     "server",
+                    "UseAVX",
+                    "UseSSE",
+                    "UseSVE",
                     "Xlog",
                     "LogCompilation"
             )