prog_to_nir: Use nir_op_dph
Shader-db results on HSW: instructions in affected programs: 72 -> 56 (-22.22%) Reviewed-by: Matt Turner <mattst88@gmail.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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@ -527,8 +527,7 @@ ptn_dp4(nir_builder *b, nir_alu_dest dest, nir_ssa_def **src)
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static void
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ptn_dph(nir_builder *b, nir_alu_dest dest, nir_ssa_def **src)
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{
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nir_ssa_def *dp3 = nir_fdot3(b, src[0], src[1]);
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ptn_move_dest(b, dest, nir_fadd(b, dp3, ptn_channel(b, src[1], W)));
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ptn_move_dest(b, dest, nir_fdph(b, src[0], src[1]));
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}
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static void
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