intel/fs/gen12: Fix barrier codegen.
The WAIT instruction has been removed, but SYNC.bar can be used instead to wait for a notification on n0.0. Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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@ -783,8 +783,12 @@ void
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fs_generator::generate_barrier(fs_inst *, struct brw_reg src)
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{
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brw_barrier(p, src);
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brw_set_default_swsb(p, tgl_swsb_null());
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brw_WAIT(p);
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if (devinfo->gen >= 12) {
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brw_set_default_swsb(p, tgl_swsb_null());
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brw_SYNC(p, TGL_SYNC_BAR);
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} else {
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brw_WAIT(p);
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}
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}
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bool
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@ -920,6 +920,7 @@ fs_visitor::emit_barrier()
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case 10:
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barrier_id_mask = 0x8f000000u; break;
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case 11:
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case 12:
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barrier_id_mask = 0x7f000000u; break;
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default:
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unreachable("barrier is only available on gen >= 7");
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