From 17c7f4e30ed8f7a04ae3ad80e39cfbdf8d8ea46c Mon Sep 17 00:00:00 2001
From: Rhys Perry <pendingchaos02@gmail.com>
Date: Mon, 23 Mar 2020 13:49:08 +0000
Subject: [PATCH] aco: fix boolean undef regclass
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Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4285>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4285>
---
 src/amd/compiler/aco_instruction_selection_setup.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/amd/compiler/aco_instruction_selection_setup.cpp b/src/amd/compiler/aco_instruction_selection_setup.cpp
index feb914e1c53..2bf9ff0e09a 100644
--- a/src/amd/compiler/aco_instruction_selection_setup.cpp
+++ b/src/amd/compiler/aco_instruction_selection_setup.cpp
@@ -593,6 +593,8 @@ void init_context(isel_context *ctx, nir_shader *shader)
                unsigned size = nir_instr_as_ssa_undef(instr)->def.num_components;
                if (nir_instr_as_ssa_undef(instr)->def.bit_size == 64)
                   size *= 2;
+               else if (nir_instr_as_ssa_undef(instr)->def.bit_size == 1)
+                  size *= lane_mask_size;
                allocated[nir_instr_as_ssa_undef(instr)->def.index] = Temp(0, RegClass(RegType::sgpr, size));
                break;
             }
-- 
2.30.2