decomp: eye (#778)

* decomp: `eye` close just need a pile of casts for the rendering code

* stash

* decomp: `eye` mostly cleaned up, xmm reg issue with `pextlb`

* waitin

* update ref tests and gsrc

* update reference tests

test/decompiler/reference/engine/ps2/timer_REF.gc

@@ -92,7 +92,7 @@
   )
 
 ;; definition for function stopwatch-stop
-;; INFO: Return type mismatch int vs uint.
+;; INFO: Return type mismatch int vs none.
 ;; WARN: Unsupported inline assembly instruction kind - [mfc0 a1, Count]
 (defun stopwatch-stop ((arg0 stopwatch))
   (local-vars (a1-0 int))
@@ -102,7 +102,8 @@
     (.mfc0 a1-0 Count)
     (+! (-> arg0 prev-time-elapsed) (- (the-as time-frame a1-0) (-> arg0 start-time)))
     )
-  (the-as uint 0)
+  0
+  (none)
   )
 
 ;; definition for function stopwatch-begin
@@ -119,7 +120,7 @@
   )
 
 ;; definition for function stopwatch-end
-;; INFO: Return type mismatch int vs uint.
+;; INFO: Return type mismatch int vs none.
 ;; WARN: Unsupported inline assembly instruction kind - [mfc0 a1, Count]
 (defun stopwatch-end ((arg0 stopwatch))
   (local-vars (a1-0 int))
@@ -129,11 +130,11 @@
     (.mfc0 a1-0 Count)
     (+! (-> arg0 prev-time-elapsed) (- (the-as time-frame a1-0) (-> arg0 start-time)))
     )
-  (the-as uint 0)
+  0
+  (none)
   )
 
 ;; definition for function stopwatch-elapsed-ticks
-;; INFO: Return type mismatch time-frame vs uint.
 ;; WARN: Unsupported inline assembly instruction kind - [mfc0 v1, Count]
 (defun stopwatch-elapsed-ticks ((arg0 stopwatch))
   (local-vars (v1-3 int))
@@ -143,7 +144,7 @@
       (.mfc0 v1-3 Count)
       (+! v0-0 (- (the-as time-frame v1-3) (-> arg0 start-time)))
       )
-    (the-as uint v0-0)
+    v0-0
     )
   )