pan/bi: Add bi_emit_before helper
For BIR lowering passes.
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4276>
diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index d7d80d5..1783461 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -366,6 +366,15 @@
return u;
}
+static inline bi_instruction *
+bi_emit_before(bi_context *ctx, bi_instruction *tag, bi_instruction ins)
+{
+ bi_instruction *u = rzalloc(ctx, bi_instruction);
+ memcpy(u, &ins, sizeof(ins));
+ list_addtail(&u->link, &tag->link);
+ return u;
+}
+
static inline void
bi_remove_instruction(bi_instruction *ins)
{