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aco/ra: Add affinities for DS vector-aligned operands

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35269>
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Natalie Vock 2025-04-14 23:03:11 +02:00 • committed by Marge Bot
parent df5495b934
commit b2a95d2133
1 changed files with 8 additions and 0 deletions
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8
src/amd/compiler/aco_register_allocation.cpp
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@ -3036,6 +3036,14 @@ get_affinities(ra_ctx& ctx)
ctx.assignments[instr->operands[0].tempId()].vcc = true;
} else if (instr->opcode == aco_opcode::s_sendmsg) {
ctx.assignments[instr->operands[0].tempId()].m0 = true;
} else if (instr->format == Format::DS) {
bool is_vector = false;
for (unsigned i = 0, vector_begin = 0; i < instr->operands.size(); i++) {
if (is_vector || instr->operands[i].isVectorAligned())
ctx.vectors[instr->operands[i].tempId()] = vector_info(instr.get(), vector_begin);
is_vector = instr->operands[i].isVectorAligned();
vector_begin = is_vector ? vector_begin : i + 1;
}
}
auto tied_defs = get_tied_defs(instr.get());