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aco/live_var_analysis: don't set lateKill for p_interp_gfx11 m0 operand

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There is no danger of overwriting m0 anymore.

Fixes: dfc13fcf9f ('aco: introduce Operand flag 'CopyKill'')
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31127>
This commit is contained in:
Daniel Schürmann 2024-09-11 10:28:51 +02:00 • committed by Marge Bot
parent 1aa7218a1f
commit 07b1fd64b7
1 changed files with 2 additions and 4 deletions
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6
src/amd/compiler/aco_live_var_analysis.cpp
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@ -214,10 +214,8 @@ process_live_temps_per_block(live_ctx& ctx, Block* block)
insn->opcode == aco_opcode::v_mqsad_u32_u8) {
for (Operand& op : insn->operands)
op.setLateKill(true);
} else if (insn->opcode == aco_opcode::p_interp_gfx11) {
insn->operands.back().setLateKill(true); /* we don't want the bld.lm def to use m0 */
if (insn->operands.size() == 7)
insn->operands[5].setLateKill(true); /* we re-use the destination reg in the middle */
} else if (insn->opcode == aco_opcode::p_interp_gfx11 && insn->operands.size() == 7) {
insn->operands[5].setLateKill(true); /* we re-use the destination reg in the middle */
} else if (insn->opcode == aco_opcode::v_interp_p1_f32 && ctx.program->dev.has_16bank_lds) {
insn->operands[0].setLateKill(true);
} else if (insn->opcode == aco_opcode::p_init_scratch) {