pan/bi: Allow negating constants

Useful for representing -0 in transcendental sequences matching the
blob.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9420>

diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index 044a562..52409da 100644 (file)
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -187,7 +187,6 @@ bi_byte(bi_index idx, unsigned lane)
 static inline bi_index
 bi_abs(bi_index idx)
 {
-        assert(idx.type != BI_INDEX_CONSTANT);
         idx.abs = true;
         return idx;
 }
@@ -195,7 +194,6 @@ bi_abs(bi_index idx)
 static inline bi_index
 bi_neg(bi_index idx)
 {
-        assert(idx.type != BI_INDEX_CONSTANT);
         idx.neg ^= true;
         return idx;
 }