From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Mon, 10 Feb 2020 11:13:15 +0000 (+0100)
Subject: aco: fix creating v_madak if v_mad_f32 has two sgpr literals
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ddd767387f336ed1578f171a2af4ca33c564d7f3;p=mesa.git

aco: fix creating v_madak if v_mad_f32 has two sgpr literals

Do not ignore that src1 can be a sgpr.

Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2435
Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3759>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3759>
---

diff --git a/src/amd/compiler/aco_optimizer.cpp b/src/amd/compiler/aco_optimizer.cpp
index 0b9fccc379e..5f2e5637b71 100644
--- a/src/amd/compiler/aco_optimizer.cpp
+++ b/src/amd/compiler/aco_optimizer.cpp
@@ -2604,7 +2604,7 @@ void select_instruction(opt_ctx &ctx, aco_ptr<Instruction>& instr)
                continue;
             /* if one of the operands is sgpr, we cannot add a literal somewhere else on pre-GFX10 or operands other than the 1st */
             if (instr->operands[i].getTemp().type() == RegType::sgpr && (i > 0 || ctx.program->chip_class < GFX10)) {
-               if (ctx.info[instr->operands[i].tempId()].is_literal()) {
+               if (!sgpr_used && ctx.info[instr->operands[i].tempId()].is_literal()) {
                   literal_uses = ctx.uses[instr->operands[i].tempId()];
                   literal_idx = i;
                } else {