Index: lnt/tests/nt.py
===================================================================
--- lnt/tests/nt.py
+++ lnt/tests/nt.py
@@ -330,12 +330,28 @@
             make_variables['DISABLE_LTO'] = '1'
         if self.test_llcbeta:
             make_variables['ENABLE_LLCBETA'] = '1'
-        if self.test_small:
+        if self.test_mini:
+            if self.test_small or self.test_standard or  self.test_large or self.test_extralarge:
+                fatal('the size options are mutually exclusive')
+            make_variables['MINI_PROBLEM_SIZE'] = '1'
+        elif self.test_small:
+            if self.test_mini or self.test_standard or  self.test_large or self.test_extralarge:
+                fatal('the size options are mutually exclusive')
             make_variables['SMALL_PROBLEM_SIZE'] = '1'
-        if self.test_large:
-            if self.test_small:
-                fatal('the --small and --large options are mutually exclusive')
+        elif self.test_standard:
+            if self.test_mini or self.test_small or self.test_large or self.test_extralarge:
+                fatal('the size options are mutually exclusive')
+            make_variables['STANDARD_PROBLEM_SIZE'] = '1'
+        elif self.test_large:
+            if self.test_mini or self.test_small or self.test_standard or self.test_extralarge:
+                fatal('the size options are mutually exclusive')
             make_variables['LARGE_PROBLEM_SIZE'] = '1'
+        elif self.test_extralarge:
+            if self.test_mini or self.test_small or self.test_standard or self.test_large:
+                fatal('the size options are mutually exclusive')
+            make_variables['EXTRALARGE_PROBLEM_SIZE'] = '1'
+        else: 
+            make_variables['STANDARD_PROBLEM_SIZE'] = '1'
         if self.test_benchmarking_only:
             make_variables['BENCHMARKING_ONLY'] = '1'
         if self.test_integrated_as:
@@ -1637,12 +1653,21 @@
                          help="Disable use of link-time optimization",
                          action="store_false", default=True)
 
+        group.add_option("", "--mini", dest="test_mini",
+                         help="Use mini test inputs and disable other tests",
+                         action="store_true", default=False)
         group.add_option("", "--small", dest="test_small",
-                         help="Use smaller test inputs and disable large tests",
+                         help="Use smaller test inputs and disable other tests",
                          action="store_true", default=False)
+        group.add_option("", "--standard", dest="test_standard",
+                         help="Use standard test inputs and disable other tests",
+                         action="store_true", default=False)
         group.add_option("", "--large", dest="test_large",
-                         help="Use larger test inputs",
+                         help="Use large test inputs and disable other tests",
                          action="store_true", default=False)
+        group.add_option("", "--extralarge", dest="test_extralarge",
+                         help="Use extralarge test inputs and disable other tests",
+                         action="store_true", default=False)
         group.add_option("", "--spec-with-ref", dest="test_spec_ref",
                          help="Use reference test inputs for SPEC.  "
                          "This is currently experimental",