From 5487847d8c75b40ef53d881c9abe0afcca378e26 Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa@collabora.com>
Date: Tue, 2 Mar 2021 13:14:27 +0100
Subject: [PATCH] pan/bi: Implement u{add, sub}_sat

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9520>
---
 src/panfrost/bifrost/bifrost_compile.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index 727dd304363..cea08011765 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -1897,6 +1897,10 @@ bi_emit_alu(bi_builder *b, nir_alu_instr *instr)
                 bi_iadd_to(b, nir_type_int, sz, dst, s0, s1, true);
                 break;
 
+        case nir_op_uadd_sat:
+                bi_iadd_to(b, nir_type_uint, sz, dst, s0, s1, true);
+                break;
+
         case nir_op_ihadd:
                 bi_hadd_to(b, nir_type_int, sz, dst, s0, s1, BI_ROUND_RTN);
                 break;
@@ -1913,6 +1917,10 @@ bi_emit_alu(bi_builder *b, nir_alu_instr *instr)
                 bi_isub_to(b, nir_type_int, sz, dst, s0, s1, true);
                 break;
 
+        case nir_op_usub_sat:
+                bi_isub_to(b, nir_type_uint, sz, dst, s0, s1, true);
+                break;
+
         case nir_op_imul:
                 bi_imul_to(b, sz, dst, s0, s1);
                 break;