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quicklogic: ql_dsp_simd remove unused MODE_BITS packing

This commit is contained in:
Emil J. Tywoniak 2025-03-06 12:54:36 +01:00
parent 7514c4738a
commit 6685f92c93
1 changed files with 7 additions and 38 deletions
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45
techlibs/quicklogic/ql_dsp_simd.cc
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@ -61,9 +61,6 @@ struct QlDspSimdPass : public Pass {
// ..........................................
const int m_Dspv1ModeBitsSize = 80;
const int m_Dspv2ModeBitsSize = 68;
/// Temporary SigBit to SigBit helper map.
SigMap sigmap;
@ -110,12 +107,13 @@ struct QlDspSimdPass : public Pass {
ID(shift_right_i),
ID(subtract_i),
ID(register_inputs_i),
ID(coeff_0_i),
ID(coeff_1_i),
ID(coeff_2_i),
ID(coeff_3_i),
};
static const std::vector<IdString> m_Dspv1CfgParams = {};
static const std::vector<IdString> m_Dspv1CfgParams = {
ID(COEFF_0),
ID(COEFF_1),
ID(COEFF_2),
ID(COEFF_3),
};
static const std::vector<IdString> m_Dspv2CfgPorts = {
ID(clock_i),
ID(reset_i),
@ -159,15 +157,6 @@ struct QlDspSimdPass : public Pass {
ID(z_o),
};
// Params to serialize into MODE_BITS param
static const std::vector<IdString> m_Dspv1ModeBitParams = {
ID(COEFF_3),
ID(COEFF_2),
ID(COEFF_1),
ID(COEFF_0),
};
static const std::vector<IdString> m_Dspv2ModeBitParams = {};
// Source DSP cell type (half-block)
static const IdString m_Dspv1SisdType = ID(dsp_t1_10x9x32_cfg_ports);
static const IdString m_Dspv2SisdType = ID(dspv2_16x9x32_cfg_ports);
@ -195,8 +184,6 @@ struct QlDspSimdPass : public Pass {
const auto& data_ports = (dsp_version == 1) ? m_Dspv1DataPorts : m_Dspv2DataPorts;
auto half_dsp = (dsp_version == 1) ? m_Dspv1SisdType : m_Dspv2SisdType;
auto full_dsp = (dsp_version == 1) ? m_Dspv1SimdType : m_Dspv2SimdType;
auto mode_bit_params = (dsp_version == 1) ? m_Dspv1ModeBitParams : m_Dspv2ModeBitParams;
auto mode_bits_size = (dsp_version == 1) ? m_Dspv1ModeBitsSize : m_Dspv2ModeBitsSize;
int cellsMerged = 0;
// Process modules
@ -300,27 +287,9 @@ struct QlDspSimdPass : public Pass {
simd->setPort(port, sigspec);
}
if (mode_bit_params.size()) {
// Concatenate FIR coefficient parameters into the single
// MODE_BITS parameter
Const mode_bits;
for (const auto &it : mode_bit_params) {
auto val_a = dsp_a->getParam(it);
auto val_b = dsp_b->getParam(it);
mode_bits.bits().insert(mode_bits.bits().end(),
val_a.begin(), val_a.end());
mode_bits.bits().insert(mode_bits.bits().end(),
val_b.begin(), val_b.end());
}
simd->setParam(ID(MODE_BITS), mode_bits);
log_assert(mode_bits.size() == mode_bits_size);
}
// Enable the fractured mode
if (dsp_version == 1)
simd->setPort(ID(f_mode), State::S1);
simd->setPort(ID(f_mode_i), State::S1);
else
simd->setParam(ID(FRAC_MODE), State::S1);