Mesa (master): aco: fix creating v_madak if v_mad_f32 has two sgpr literals

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Module: Mesa
Branch: master
Commit: ddd767387f336ed1578f171a2af4ca33c564d7f3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ddd767387f336ed1578f171a2af4ca33c564d7f3

Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date:   Mon Feb 10 12:13:15 2020 +0100

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 at lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02 at 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>

---

 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 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 {