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aco: handle VOP3 modifiers when combining a constant comparison's NaN test

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-By: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3081>
This commit is contained in:
Rhys Perry 2019-12-11 16:57:11 +00:00
parent bbac52873f
commit 7ce244b7d1
1 changed files with 6 additions and 0 deletions
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6
src/amd/compiler/aco_optimizer.cpp
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@ -1345,6 +1345,12 @@ bool combine_constant_comparison_ordering(opt_ctx &ctx, aco_ptr<Instruction>& in
if (prop_nan0 != prop_nan1)
return false;
if (nan_test->isVOP3()) {
VOP3A_instruction *vop3 = static_cast<VOP3A_instruction*>(nan_test);
if (vop3->neg[0] != vop3->neg[1] || vop3->abs[0] != vop3->abs[1] || vop3->opsel == 1 || vop3->opsel == 2)
return false;
}
int constant_operand = -1;
for (unsigned i = 0; i < 2; i++) {
if (cmp->operands[i].isTemp() && original_temp_id(ctx, cmp->operands[i].getTemp()) == prop_nan0) {