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aco: don't constant propagate to DPP instructions 

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12601>
This commit is contained in:
Rhys Perry 2021-08-27 17:50:11 +01:00 committed by Marge Bot
parent f4b61e9061
commit e27946ca11
1 changed files with 1 additions and 1 deletions
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2
src/amd/compiler/aco_optimizer.cpp
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@ -1058,7 +1058,7 @@ label_instruction(opt_ctx& ctx, aco_ptr<Instruction>& instr)
unsigned bits = get_operand_size(instr, i);
if (info.is_constant(bits) && alu_can_accept_constant(instr->opcode, i) &&
(!instr->isSDWA() || ctx.program->chip_class >= GFX9)) {
(!instr->isSDWA() || ctx.program->chip_class >= GFX9) && !instr->isDPP()) {
Operand op = get_constant_op(ctx, info, bits);
perfwarn(ctx.program, instr->opcode == aco_opcode::v_cndmask_b32 && i == 2,
"v_cndmask_b32 with a constant selector", instr.get());