From 90b2fbbab4ff3b7e93f3d07586a314bd4fae04a3 Mon Sep 17 00:00:00 2001
From: Gert Wollny <gert.wollny@collabora.com>
Date: Wed, 3 Sep 2025 16:02:40 +0200
Subject: [PATCH] r600/sfn: Pass chan and dest_clamp to alu op if no dest
 register is given

v2: move common code

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37205>
---
 src/gallium/drivers/r600/sfn/sfn_assembler.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/r600/sfn/sfn_assembler.cpp b/src/gallium/drivers/r600/sfn/sfn_assembler.cpp
index 29edc3235de..7360a963b14 100644
--- a/src/gallium/drivers/r600/sfn/sfn_assembler.cpp
+++ b/src/gallium/drivers/r600/sfn/sfn_assembler.cpp
@@ -306,13 +306,15 @@ AssamblerVisitor::emit_alu_op(const AluInstr& ai)
          }
 
          alu.dst.write = ai.has_alu_flag(alu_write);
-         alu.dst.clamp = ai.has_alu_flag(alu_dst_clamp);
          alu.dst.rel = dst->addr() ? 1 : 0;
       } else if (m_bc->gfx_level == CAYMAN && ai.dest()->sel() > 0) {
          alu.dst.sel = ai.dest()->sel() + 1;
       }
+   } else {
+      alu.dst.chan = ai.dest_chan();
    }
 
+   alu.dst.clamp = ai.has_alu_flag(alu_dst_clamp);
    alu.is_op3 = ai.n_sources() == 3;
 
    EBufferIndexMode kcache_index_mode = bim_none;