pan/mdg: Only print 2 sources for ALU

..and assert the other sources are null. The one place this might fail in the
future is for real FMA, but we don't support that for GL.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16798>

diff --git a/src/panfrost/midgard/midgard_print.c b/src/panfrost/midgard/midgard_print.c
index 2a43516..cac792a 100644 (file)
--- a/src/panfrost/midgard/midgard_print.c
+++ b/src/panfrost/midgard/midgard_print.c
@@ -278,9 +278,15 @@ mir_print_instruction(midgard_instruction *ins)
         else
                 mir_print_src(ins, 1);
 
-        for (unsigned c = 2; c <= 3; ++c) {
-                printf(", ");
-                mir_print_src(ins, c);
+        if (is_alu) {
+                /* ALU ops are all 2-src */
+                assert(ins->src[2] == ~0);
+                assert(ins->src[3] == ~0);
+        } else {
+                for (unsigned c = 2; c <= 3; ++c) {
+                        printf(", ");
+                        mir_print_src(ins, c);
+                }
         }
 
         if (ins->no_spill)