From: Timur Kristóf <timur.kristof@gmail.com>
Date: Tue, 13 Dec 2022 09:45:48 +0000 (+0100)
Subject: aco: Don't accept constants on p_bpermute.
X-Git-Tag: upstream/23.3.3~15538
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=614348f28be16fb8a3763bd68064652160975411;p=platform%2Fupstream%2Fmesa.git

aco: Don't accept constants on p_bpermute.

The sequence emitted for this pseudo instruction is not ready
to handle constants or literals at all.

Cc: mesa-stable
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20293>
---

diff --git a/src/amd/compiler/aco_optimizer.cpp b/src/amd/compiler/aco_optimizer.cpp
index abf3e92..0952ace 100644
--- a/src/amd/compiler/aco_optimizer.cpp
+++ b/src/amd/compiler/aco_optimizer.cpp
@@ -673,6 +673,7 @@ alu_can_accept_constant(aco_opcode opcode, unsigned operand)
    case aco_opcode::v_readfirstlane_b32:
    case aco_opcode::p_extract:
    case aco_opcode::p_insert: return operand != 0;
+   case aco_opcode::p_bpermute:
    case aco_opcode::p_interp_gfx11:
    case aco_opcode::p_dual_src_export_gfx11: return false;
    default: return true;