From fa66b670d49bd93de36eede6fee0c8197a838dc6 Mon Sep 17 00:00:00 2001
From: Georg Lehmann <dadschoorse@gmail.com>
Date: Tue, 11 Nov 2025 18:13:05 +0100
Subject: [PATCH] aco/optimizer: reduce max alu_opt_info stack operands to 4
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ALU instructions typically have a maximum of 3 operands, and even when combining
instructions, the peak count will not go above 4.

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38150>
---
 src/amd/compiler/aco_optimizer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/compiler/aco_optimizer.cpp b/src/amd/compiler/aco_optimizer.cpp
index 9b07b1bdaff..c2d914111ac 100644
--- a/src/amd/compiler/aco_optimizer.cpp
+++ b/src/amd/compiler/aco_optimizer.cpp
@@ -417,7 +417,7 @@ struct alu_opt_op {
 
 struct alu_opt_info {
    aco::small_vec<Definition, 2> defs;
-   aco::small_vec<alu_opt_op, 5> operands;
+   aco::small_vec<alu_opt_op, 4> operands;
    aco_opcode opcode;
    Format format;
    uint32_t imm;