agx: Expand nest

For breaking out of deeper control flow.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25052>

src/asahi/compiler/agx_compiler.h

@@ -296,6 +296,9 @@ typedef struct {
    /* For local access */
    enum agx_format format;
 
+   /* Number of nested control flow layers to jump by. TODO: Optimize */
+   uint32_t nest;
+
    /* Invert icond/fcond */
    bool invert_cond : 1;
 
@@ -318,9 +321,6 @@ typedef struct {
     * scoreboarding (everything but memory load/store and texturing). */
    unsigned scoreboard : 1;
 
-   /* Number of nested control flow layers to jump by */
-   unsigned nest : 2;
-
    /* Output modifiers */
    bool saturate : 1;
    unsigned mask : 4;