pan/bi: Add bi_next/prev_op helpers
From Midgard. These are surprisingly helpful.
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4150>
diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index 467735b..93f8639 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -469,6 +469,18 @@
#define bi_foreach_src(ins, v) \
for (unsigned v = 0; v < ARRAY_SIZE(ins->src); ++v)
+static inline bi_instruction *
+bi_prev_op(bi_instruction *ins)
+{
+ return list_last_entry(&(ins->link), bi_instruction, link);
+}
+
+static inline bi_instruction *
+bi_next_op(bi_instruction *ins)
+{
+ return list_first_entry(&(ins->link), bi_instruction, link);
+}
+
/* BIR manipulation */
bool bi_has_outmod(bi_instruction *ins);