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ql_dsp: Fix precondition for cascading

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This commit is contained in:
Martin Povišer 2025-03-11 10:34:28 +01:00
parent f157a868a3
commit b230c00551
1 changed files with 1 additions and 1 deletions
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techlibs/quicklogic/ql_dsp.pmg
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@ -220,7 +220,7 @@ match dsp2
select dsp2->type.in(\dspv2_32x18x64_cfg_ports, \dspv2_16x9x32_cfg_ports) select dsp2->type.in(\dspv2_32x18x64_cfg_ports, \dspv2_16x9x32_cfg_ports)
filter port(dsp2, \output_select_i).is_fully_const() filter port(dsp2, \output_select_i).is_fully_const()
define <int> output_sel port(dsp2, \output_select_i).as_int() define <int> output_sel port(dsp2, \output_select_i).as_int()
filter output_sel == 3 || (output_sel == 4 && !param(dsp2, \M_REG).as_bool()) filter output_sel == 0 || (output_sel == 4 && !param(dsp2, \M_REG).as_bool())
// expect `dsp2` and `add` for exclusive users // expect `dsp2` and `add` for exclusive users
filter nusers(port(dsp2, \z_o)) == 2 filter nusers(port(dsp2, \z_o)) == 2
filter !dsp2->hasPort(\z_cout_o) || nusers(port(dsp2, \z_cout_o)) == 1 filter !dsp2->hasPort(\z_cout_o) || nusers(port(dsp2, \z_cout_o)) == 1