From 8c4f0b13530f0bc2afe1e9815801c3b85502503c Mon Sep 17 00:00:00 2001
From: nihui <shuizhuyuanluo@126.com>
Date: Thu, 26 Jun 2025 11:49:55 +0800
Subject: [PATCH] aco: gfx940 has no mad f32 instruction
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Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35655>
---
 src/amd/compiler/aco_optimizer.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/amd/compiler/aco_optimizer.cpp b/src/amd/compiler/aco_optimizer.cpp
index 4ac8821464d..c50eba30237 100644
--- a/src/amd/compiler/aco_optimizer.cpp
+++ b/src/amd/compiler/aco_optimizer.cpp
@@ -3910,7 +3910,8 @@ combine_instruction(opt_ctx& ctx, aco_ptr<Instruction>& instr)
                         (mad32 && !legacy && !mad_mix && ctx.program->dev.has_fast_fma32) ||
                         (mad_mix && ctx.program->dev.fused_mad_mix);
          bool has_mad = mad_mix ? !ctx.program->dev.fused_mad_mix
-                                : ((mad32 && ctx.program->gfx_level < GFX10_3) ||
+                                : ((mad32 && ctx.program->gfx_level < GFX10_3 &&
+                                    ctx.program->family != CHIP_GFX940) ||
                                    (mad16 && ctx.program->gfx_level <= GFX9));
          bool can_use_fma = has_fma && (!(info.parent_instr->definitions[0].isPrecise() ||
                                           instr->definitions[0].isPrecise()) ||