From e5e7fc17f90bfdb13209d6f3e2a1b864110edb7e Mon Sep 17 00:00:00 2001
From: Georg Lehmann <dadschoorse@gmail.com>
Date: Sat, 24 Jan 2026 20:40:53 +0100
Subject: [PATCH] r600/sfn: implement minimal 16bit f2f32 support

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39511>
---
 src/gallium/drivers/r600/sfn/sfn_instr_alu.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/drivers/r600/sfn/sfn_instr_alu.cpp b/src/gallium/drivers/r600/sfn/sfn_instr_alu.cpp
index 4eeb2b0cfd6..fd1a0617172 100644
--- a/src/gallium/drivers/r600/sfn/sfn_instr_alu.cpp
+++ b/src/gallium/drivers/r600/sfn/sfn_instr_alu.cpp
@@ -1788,6 +1788,12 @@ AluInstr::from_nir(nir_alu_instr *alu, Shader& shader)
       return emit_alu_b2x(*alu, ALU_SRC_1, shader);
    case nir_op_b2i32:
       return emit_alu_b2x(*alu, ALU_SRC_1_INT, shader);
+   case nir_op_u2u16:
+      assert(alu->src[0].src.ssa->bit_size == 32);
+      return emit_alu_op1(*alu, op1_mov, shader);
+   case nir_op_f2f32:
+      assert(alu->src[0].src.ssa->bit_size == 16);
+      return emit_alu_op1(*alu, op1_flt16_to_flt32, shader);
 
    case nir_op_bfm:
       return emit_alu_op2_int(*alu, op2_bfm_int, shader, op2_opt_none);