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VarAction2: Mark suitable AND ops as jump insertion candidates

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Jonathan G Rennison 2022-08-09 18:34:01 +01:00
parent aa49e17e39
commit 06cc71b6c5
1 changed files with 4 additions and 0 deletions
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4
src/newgrf.cpp
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@ -6907,6 +6907,10 @@ static void OptimiseVarAction2Adjust(VarAction2OptimiseState &state, const GrfSp
state.inference = VA2AIF_SIGNED_NON_NEGATIVE; state.inference = VA2AIF_SIGNED_NON_NEGATIVE;
} }
state.inference |= non_const_var_inference; state.inference |= non_const_var_inference;
if ((state.inference & VA2AIF_ONE_OR_ZERO) && (prev_inference & VA2AIF_ONE_OR_ZERO)) {
adjust.adjust_flags |= DSGAF_JUMP_INS_HINT;
group->dsg_flags |= DSGF_CHECK_INSERT_JUMP;
}
try_merge_with_previous(); try_merge_with_previous();
break; break;
case DSGA_OP_OR: case DSGA_OP_OR: