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aco: implement elect 

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6558>
This commit is contained in:
Rhys Perry 2020-09-01 16:36:58 +01:00 committed by Marge Bot
parent bf77f539ee
commit 36da9c4aa2
1 changed files with 6 additions and 0 deletions
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6
src/amd/compiler/aco_instruction_selection.cpp
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@ -8232,6 +8232,12 @@ void visit_intrinsic(isel_context *ctx, nir_intrinsic_instr *instr)
get_ssa_temp(ctx, &instr->dest.ssa));
break;
}
case nir_intrinsic_elect: {
Temp first = bld.sop1(Builder::s_ff1_i32, bld.def(s1), Operand(exec, bld.lm));
emit_wqm(ctx, bld.sop2(Builder::s_lshl, bld.def(bld.lm), bld.def(s1, scc), Operand(1u), first),
get_ssa_temp(ctx, &instr->dest.ssa));
break;
}
case nir_intrinsic_shader_clock: {
Temp dst = get_ssa_temp(ctx, &instr->dest.ssa);
if (nir_intrinsic_memory_scope(instr) == NIR_SCOPE_SUBGROUP && ctx->options->chip_class >= GFX10_3) {