pan/bi: Skip over data registers in port assignment
They bypass the usual mechanism entirely, let's add some props to
describe this and respect them.
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4242>
diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index b69c0fe..2d36335 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -113,6 +113,11 @@
/* Intrinsic is vectorized and should read 4 components regardless of writemask */
#define BI_VECTOR (1 << 8)
+/* Use a data register for src0/dest respectively, bypassing the usual
+ * register accessor. Mutually exclusive. */
+#define BI_DATA_REG_SRC (1 << 9)
+#define BI_DATA_REG_DEST (1 << 10)
+
/* It can't get any worse than csel4... can it? */
#define BIR_SRC_COUNT 4