pan/bi: Add log_frexpe op to IR

As part of BI_FREXP

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4615>
diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index 06ef51b..c1350f4 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -200,6 +200,10 @@
         BI_REDUCE_ADD_FREXPM,
 };
 
+enum bi_frexp_op {
+        BI_FREXPE_LOG,
+};
+
 enum bi_special_op {
         BI_SPECIAL_FRCP,
         BI_SPECIAL_FRSQ,
@@ -269,6 +273,7 @@
                 enum bi_special_op special;
                 enum bi_reduce_op reduce;
                 enum bi_table_op table;
+                enum bi_frexp_op frexp;
                 enum bi_cond compare;
         } op;