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@ -1003,6 +1003,12 @@ void OptimiseVarAction2Adjust(VarAction2OptimiseState &state, const GrfSpecFeatu
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group->dsg_flags |= DSGF_CHECK_INSERT_JUMP;
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}
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}
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if (adjust.operation == DSGA_OP_RST && adjust.type == DSGA_TYPE_MOD && adjust.divmod_val == 2) {
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/* Non-negative value % 2 implies VA2AIF_ONE_OR_ZERO */
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if ((uint64)adjust.and_mask + (uint64)adjust.add_val < (uint64)get_sign_bit()) {
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state.inference |= VA2AIF_SIGNED_NON_NEGATIVE | VA2AIF_ONE_OR_ZERO;
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}
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}
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} else {
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if (adjust.and_mask == 0 && IsEvalAdjustWithZeroRemovable(adjust.operation)) {
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/* Delete useless zero operations */
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