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aco/gfx11: optimize LS/HS load_local_invocation_index

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fossil-db (gfx1100):
Totals from 1361 (1.01% of 135032) affected shaders:
Instrs: 501227 -> 500469 (-0.15%); split: -0.16%, +0.01%
CodeSize: 2730012 -> 2724820 (-0.19%); split: -0.20%, +0.00%
VGPRs: 63716 -> 63688 (-0.04%)
Latency: 2228848 -> 2228858 (+0.00%); split: -0.00%, +0.00%
InvThroughput: 878418 -> 878275 (-0.02%); split: -0.02%, +0.00%
VClause: 14866 -> 14868 (+0.01%); split: -0.03%, +0.04%
SClause: 16674 -> 16645 (-0.17%); split: -0.22%, +0.05%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19196>
This commit is contained in:
Rhys Perry 2022-10-20 15:47:02 +01:00 • committed by Marge Bot
parent 8c716525cf
commit dfce433385
1 changed files with 1 additions and 3 deletions
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4
src/amd/compiler/aco_instruction_selection.cpp
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@ -8448,9 +8448,7 @@ visit_intrinsic(isel_context* ctx, nir_intrinsic_instr* instr)
Temp temp = bld.sop2(aco_opcode::s_mul_i32, bld.def(s1), wave_id,
Operand::c32(ctx->program->wave_size));
Temp thread_id = emit_mbcnt(ctx, bld.tmp(v1));
bld.vadd32(Definition(get_ssa_temp(ctx, &instr->dest.ssa)), temp, thread_id);
emit_mbcnt(ctx, get_ssa_temp(ctx, &instr->dest.ssa), Operand(), Operand(temp));
} else {
bld.copy(Definition(get_ssa_temp(ctx, &instr->dest.ssa)),
get_arg(ctx, ctx->args->ac.vs_rel_patch_id));