nak: Add more MemEvictionPriorities

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33427>

src/nouveau/compiler/nak/ir.rs

@@ -2403,6 +2403,8 @@ pub enum MemEvictionPriority {
     Normal,
     Last,
     LastUse,
+    Unchanged,
+    NoAllocate,
 }
 
 impl fmt::Display for MemEvictionPriority {
@@ -2412,6 +2414,8 @@ impl fmt::Display for MemEvictionPriority {
             MemEvictionPriority::Normal => Ok(()),
             MemEvictionPriority::Last => write!(f, ".el"),
             MemEvictionPriority::LastUse => write!(f, ".lu"),
+            MemEvictionPriority::Unchanged => write!(f, ".eu"),
+            MemEvictionPriority::NoAllocate => write!(f, ".na"),
         }
     }
 }

src/nouveau/compiler/nak/sm70.rs

@@ -2617,12 +2617,14 @@ impl SM70Encoder<'_> {
 
     fn set_eviction_priority(&mut self, pri: &MemEvictionPriority) {
         self.set_field(
-            84..86,
+            84..87,
             match pri {
                 MemEvictionPriority::First => 0_u8,
                 MemEvictionPriority::Normal => 1_u8,
                 MemEvictionPriority::Last => 2_u8,
                 MemEvictionPriority::LastUse => 3_u8,
+                MemEvictionPriority::Unchanged => 4_u8,
+                MemEvictionPriority::NoAllocate => 5_u8,
             },
         );
     }