diff -r 61060412fd34 -r 41757c1f3946 hotspot/src/os/windows/vm/os_windows.cpp
--- a/hotspot/src/os/windows/vm/os_windows.cpp	Thu Jan 30 09:41:45 2014 +0100
+++ b/hotspot/src/os/windows/vm/os_windows.cpp	Thu Jan 30 14:12:22 2014 -0800
@@ -1810,32 +1810,30 @@
   }
 
   buf[0] = '\0';
-  if (Arguments::created_by_gamma_launcher()) {
-     // Support for the gamma launcher. Check for an
-     // JAVA_HOME environment variable
-     // and fix up the path so it looks like
-     // libjvm.so is installed there (append a fake suffix
-     // hotspot/libjvm.so).
-     char* java_home_var = ::getenv("JAVA_HOME");
-     if (java_home_var != NULL && java_home_var[0] != 0) {
-
-        strncpy(buf, java_home_var, buflen);
-
-        // determine if this is a legacy image or modules image
-        // modules image doesn't have "jre" subdirectory
-        size_t len = strlen(buf);
-        char* jrebin_p = buf + len;
-        jio_snprintf(jrebin_p, buflen-len, "\\jre\\bin\\");
-        if (0 != _access(buf, 0)) {
-          jio_snprintf(jrebin_p, buflen-len, "\\bin\\");
-        }
-        len = strlen(buf);
-        jio_snprintf(buf + len, buflen-len, "hotspot\\jvm.dll");
-     }
-  }
-
-  if(buf[0] == '\0') {
-  GetModuleFileName(vm_lib_handle, buf, buflen);
+  if (Arguments::sun_java_launcher_is_altjvm()) {
+    // Support for the java launcher's '-XXaltjvm=<path>' option. Check
+    // for a JAVA_HOME environment variable and fix up the path so it
+    // looks like jvm.dll is installed there (append a fake suffix
+    // hotspot/jvm.dll).
+    char* java_home_var = ::getenv("JAVA_HOME");
+    if (java_home_var != NULL && java_home_var[0] != 0) {
+      strncpy(buf, java_home_var, buflen);
+
+      // determine if this is a legacy image or modules image
+      // modules image doesn't have "jre" subdirectory
+      size_t len = strlen(buf);
+      char* jrebin_p = buf + len;
+      jio_snprintf(jrebin_p, buflen-len, "\\jre\\bin\\");
+      if (0 != _access(buf, 0)) {
+        jio_snprintf(jrebin_p, buflen-len, "\\bin\\");
+      }
+      len = strlen(buf);
+      jio_snprintf(buf + len, buflen-len, "hotspot\\jvm.dll");
+    }
+  }
+
+  if (buf[0] == '\0') {
+    GetModuleFileName(vm_lib_handle, buf, buflen);
   }
   strcpy(saved_jvm_path, buf);
 }