pan/bi: Add bi_{abs, neg} helpers

Just conveniences. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8215>
2020-12-21 17:00:50 -05:00
parent 7e6be656d3
commit e364e11020
1 changed files with 16 additions and 0 deletions
@@ -504,6 +504,22 @@ bi_byte(bi_index idx, unsigned lane)
        return idx;
 }

+static inline bi_index
+bi_abs(bi_index idx)
+{
+        assert(idx.type != BI_INDEX_CONSTANT);
+        idx.abs = true;
+        return idx;
+}
+
+static inline bi_index
+bi_neg(bi_index idx)
+{
+        assert(idx.type != BI_INDEX_CONSTANT);
+        idx.neg ^= true;
+        return idx;
+}
+
 static inline bi_index
 bi_imm_u8(uint8_t imm)
 {