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aco/insert_exec: reset exec temporary after combined p_demote + p_end_wqm
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Otherwise the next divergent merge block might re-enable demoted invocations.

Fixes: 90faadae72 ("aco/insert_exec_mask: don't disable dead quads on demote in divergent CF")
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12898
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12912
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34278>
This commit is contained in:
Georg Lehmann 2025-03-30 11:22:33 +02:00 • committed by Marge Bot
parent ae75376c8f
commit de45676efd
1 changed files with 1 additions and 0 deletions
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src/amd/compiler/aco_insert_exec_mask.cpp
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@ -530,6 +530,7 @@ process_instructions(exec_ctx& ctx, Block* block, std::vector<aco_ptr<Instructio
assert(info.exec.size() == 1);
bld.sop2(Builder::s_andn2, Definition(exec, bld.lm), bld.def(s1, scc), info.exec[0].op,
src);
info.exec[0].op = Operand(exec, bld.lm);
} else {
Temp cond = bld.tmp(s1);
info.exec[0].op = bld.sop2(Builder::s_andn2, bld.def(bld.lm), Definition(cond, scc),