Mesa (main): pan/bi: Add bi_before_tuple convenience method

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Module: Mesa
Branch: main
Commit: 20e11cbb23a9c1e527602c1b41386e9e9125373b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=20e11cbb23a9c1e527602c1b41386e9e9125373b

Author: Alyssa Rosenzweig <alyssa at collabora.com>
Date:   Thu Jul  8 17:31:05 2021 -0400

pan/bi: Add bi_before_tuple convenience method

For constructing instructions during scheduling.

Signed-off-by: Alyssa Rosenzweig <alyssa at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10961>

---

 src/panfrost/bifrost/compiler.h | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index 6966102e8aa..2de1f69a02e 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -918,15 +918,19 @@ bi_after_instr(bi_instr *instr)
  * in which case there must exist a nonempty penultimate tuple */
 
 ATTRIBUTE_RETURNS_NONNULL static inline bi_instr *
-bi_first_instr_in_clause(bi_clause *clause)
+bi_first_instr_in_tuple(bi_tuple *tuple)
 {
-        bi_tuple tuple = clause->tuples[0];
-        bi_instr *instr = tuple.fma ?: tuple.add;
-
+        bi_instr *instr = tuple->fma ?: tuple->add;
         assert(instr != NULL);
         return instr;
 }
 
+ATTRIBUTE_RETURNS_NONNULL static inline bi_instr *
+bi_first_instr_in_clause(bi_clause *clause)
+{
+        return bi_first_instr_in_tuple(&clause->tuples[0]);
+}
+
 ATTRIBUTE_RETURNS_NONNULL static inline bi_instr *
 bi_last_instr_in_clause(bi_clause *clause)
 {
@@ -964,6 +968,12 @@ bi_before_clause(bi_clause *clause)
     return bi_before_instr(bi_first_instr_in_clause(clause));
 }
 
+static inline bi_cursor
+bi_before_tuple(bi_tuple *tuple)
+{
+    return bi_before_instr(bi_first_instr_in_tuple(tuple));
+}
+
 static inline bi_cursor
 bi_after_clause(bi_clause *clause)
 {