diff options
Diffstat (limited to 'passes/pmgen')
-rw-r--r-- | passes/pmgen/ice40_dsp.cc | 8 | ||||
-rw-r--r-- | passes/pmgen/ice40_dsp.pmg | 21 | ||||
-rw-r--r-- | passes/pmgen/xilinx_dsp.pmg | 16 |
3 files changed, 26 insertions, 19 deletions
diff --git a/passes/pmgen/ice40_dsp.cc b/passes/pmgen/ice40_dsp.cc index f60e67158..c364cd91a 100644 --- a/passes/pmgen/ice40_dsp.cc +++ b/passes/pmgen/ice40_dsp.cc @@ -73,11 +73,11 @@ void create_ice40_dsp(ice40_dsp_pm &pm) // SB_MAC16 Input Interface SigSpec A = st.sigA; - A.extend_u0(16, st.mul->getParam(ID(A_SIGNED)).as_bool()); + A.extend_u0(16, st.mul->parameters.at(ID(A_SIGNED), State::S0).as_bool()); log_assert(GetSize(A) == 16); SigSpec B = st.sigB; - B.extend_u0(16, st.mul->getParam(ID(B_SIGNED)).as_bool()); + B.extend_u0(16, st.mul->parameters.at(ID(B_SIGNED), State::S0).as_bool()); log_assert(GetSize(B) == 16); SigSpec CD = st.sigCD; @@ -248,8 +248,8 @@ void create_ice40_dsp(ice40_dsp_pm &pm) cell->setParam(ID(BOTADDSUB_CARRYSELECT), Const(0, 2)); cell->setParam(ID(MODE_8x8), State::S0); - cell->setParam(ID(A_SIGNED), st.mul->getParam(ID(A_SIGNED)).as_bool()); - cell->setParam(ID(B_SIGNED), st.mul->getParam(ID(B_SIGNED)).as_bool()); + cell->setParam(ID(A_SIGNED), st.mul->parameters.at(ID(A_SIGNED), State::S0).as_bool()); + cell->setParam(ID(B_SIGNED), st.mul->parameters.at(ID(B_SIGNED), State::S0).as_bool()); if (st.ffO) { if (st.o_lo) diff --git a/passes/pmgen/ice40_dsp.pmg b/passes/pmgen/ice40_dsp.pmg index 6b6d2b56f..9d649cb98 100644 --- a/passes/pmgen/ice40_dsp.pmg +++ b/passes/pmgen/ice40_dsp.pmg @@ -56,11 +56,16 @@ code sigA sigB sigH break; sigH.append(O[i]); } + // This sigM could have no users if downstream sinks (e.g. $add) is + // narrower than $mul result, for example + if (i == 0) + reject; + log_assert(nusers(O.extract_end(i)) <= 1); endcode code argQ ffA ffAholdmux ffArstmux ffAholdpol ffArstpol sigA clock clock_pol - if (mul->type != \SB_MAC16 || !param(mul, \A_REG).as_bool()) { + if (mul->type != \SB_MAC16 || !param(mul, \A_REG, State::S0).as_bool()) { argQ = sigA; subpattern(in_dffe); if (dff) { @@ -81,7 +86,7 @@ code argQ ffA ffAholdmux ffArstmux ffAholdpol ffArstpol sigA clock clock_pol endcode code argQ ffB ffBholdmux ffBrstmux ffBholdpol ffBrstpol sigB clock clock_pol - if (mul->type != \SB_MAC16 || !param(mul, \B_REG).as_bool()) { + if (mul->type != \SB_MAC16 || !param(mul, \B_REG, State::S0).as_bool()) { argQ = sigB; subpattern(in_dffe); if (dff) { @@ -104,7 +109,7 @@ endcode code argD ffFJKG sigH clock clock_pol if (nusers(sigH) == 2 && (mul->type != \SB_MAC16 || - (!param(mul, \TOP_8x8_MULT_REG).as_bool() && !param(mul, \BOT_8x8_MULT_REG).as_bool() && !param(mul, \PIPELINE_16x16_MULT_REG1).as_bool() && !param(mul, \PIPELINE_16x16_MULT_REG1).as_bool()))) { + (!param(mul, \TOP_8x8_MULT_REG, State::S0).as_bool() && !param(mul, \BOT_8x8_MULT_REG, State::S0).as_bool() && !param(mul, \PIPELINE_16x16_MULT_REG1, State::S0).as_bool() && !param(mul, \PIPELINE_16x16_MULT_REG1, State::S0).as_bool()))) { argD = sigH; subpattern(out_dffe); if (dff) { @@ -143,7 +148,7 @@ endcode code argD ffH sigH sigO clock clock_pol if (ffFJKG && nusers(sigH) == 2 && - (mul->type != \SB_MAC16 || !param(mul, \PIPELINE_16x16_MULT_REG2).as_bool())) { + (mul->type != \SB_MAC16 || !param(mul, \PIPELINE_16x16_MULT_REG2, State::S0).as_bool())) { argD = sigH; subpattern(out_dffe); if (dff) { @@ -174,7 +179,7 @@ reject_ffH: ; endcode match add - if mul->type != \SB_MAC16 || (param(mul, \TOPOUTPUT_SELECT).as_int() == 3 && param(mul, \BOTOUTPUT_SELECT).as_int() == 3) + if mul->type != \SB_MAC16 || (param(mul, \TOPOUTPUT_SELECT, State::S0).as_int() == 3 && param(mul, \BOTOUTPUT_SELECT, State::S0).as_int() == 3) select add->type.in($add) choice <IdString> AB {\A, \B} @@ -200,7 +205,7 @@ code sigCD sigO cd_signed if ((actual_acc_width > actual_mul_width) && (natural_mul_width > actual_mul_width)) reject; // If accumulator, check adder width and signedness - if (sigCD == sigH && (actual_acc_width != actual_mul_width) && (param(mul, \A_SIGNED).as_bool() != param(add, \A_SIGNED).as_bool())) + if (sigCD == sigH && (actual_acc_width != actual_mul_width) && (param(mul, \A_SIGNED, State::S0).as_bool() != param(add, \A_SIGNED).as_bool())) reject; sigO = port(add, \Y); @@ -275,7 +280,7 @@ endcode code argQ ffCD ffCDholdmux ffCDholdpol ffCDrstpol sigCD clock clock_pol if (!sigCD.empty() && sigCD != sigO && - (mul->type != \SB_MAC16 || (!param(mul, \C_REG).as_bool() && !param(mul, \D_REG).as_bool()))) { + (mul->type != \SB_MAC16 || (!param(mul, \C_REG, State::S0).as_bool() && !param(mul, \D_REG, State::S0).as_bool()))) { argQ = sigCD; subpattern(in_dffe); if (dff) { @@ -328,6 +333,8 @@ arg argD argQ clock clock_pol code dff = nullptr; + if (argQ.empty()) + reject; for (auto c : argQ.chunks()) { if (!c.wire) reject; diff --git a/passes/pmgen/xilinx_dsp.pmg b/passes/pmgen/xilinx_dsp.pmg index 5d3b9c2eb..af47ab111 100644 --- a/passes/pmgen/xilinx_dsp.pmg +++ b/passes/pmgen/xilinx_dsp.pmg @@ -120,7 +120,7 @@ endcode // reset functionality, using a subpattern discussed above) // If matched, treat 'A' input as input of ADREG code argQ ffAD ffADcemux ffADrstmux ffADcepol ffADrstpol sigA clock - if (param(dsp, \ADREG).as_int() == 0) { + if (param(dsp, \ADREG, 1).as_int() == 0) { argQ = sigA; subpattern(in_dffe); if (dff) { @@ -176,7 +176,7 @@ code argQ ffAD ffADcemux ffADrstmux ffADcepol ffADrstpol sigA clock ffA2 ffA2cem // Only search for ffA2 if there was a pre-adder // (otherwise ffA2 would have been matched as ffAD) if (preAdd) { - if (param(dsp, \AREG).as_int() == 0) { + if (param(dsp, \AREG, 1).as_int() == 0) { argQ = sigA; subpattern(in_dffe); if (dff) { @@ -237,7 +237,7 @@ endcode // (5) Match 'B' input for B2REG // If B2REG, then match 'B' input for B1REG code argQ ffB2 ffB2cemux ffB2rstmux ffB2cepol ffBrstpol sigB clock ffB1 ffB1cemux ffB1rstmux ffB1cepol - if (param(dsp, \BREG).as_int() == 0) { + if (param(dsp, \BREG, 1).as_int() == 0) { argQ = sigB; subpattern(in_dffe); if (dff) { @@ -287,7 +287,7 @@ endcode // (6) Match 'D' input for DREG code argQ ffD ffDcemux ffDrstmux ffDcepol ffDrstpol sigD clock - if (param(dsp, \DREG).as_int() == 0) { + if (param(dsp, \DREG, 1).as_int() == 0) { argQ = sigD; subpattern(in_dffe); if (dff) { @@ -308,7 +308,7 @@ endcode // (7) Match 'P' output that exclusively drives an MREG code argD ffM ffMcemux ffMrstmux ffMcepol ffMrstpol sigM sigP clock - if (param(dsp, \MREG).as_int() == 0 && nusers(sigM) == 2) { + if (param(dsp, \MREG, 1).as_int() == 0 && nusers(sigM) == 2) { argD = sigM; subpattern(out_dffe); if (dff) { @@ -335,7 +335,7 @@ endcode // recognised in xilinx_dsp.cc). match postAdd // Ensure that Z mux is not already used - if port(dsp, \OPMODE, SigSpec()).extract(4,3).is_fully_zero() + if port(dsp, \OPMODE, SigSpec(0, 7)).extract(4,3).is_fully_zero() select postAdd->type.in($add) select GetSize(port(postAdd, \Y)) <= 48 @@ -363,7 +363,7 @@ endcode // (9) Match 'P' output that exclusively drives a PREG code argD ffP ffPcemux ffPrstmux ffPcepol ffPrstpol sigP clock - if (param(dsp, \PREG).as_int() == 0) { + if (param(dsp, \PREG, 1).as_int() == 0) { int users = 2; // If ffMcemux and no postAdd new-value net must have three users: ffMcemux, ffM and ffPcemux if (ffMcemux && !postAdd) users++; @@ -460,7 +460,7 @@ arg argD argQ clock code dff = nullptr; - if (GetSize(argQ) == 0) + if (argQ.empty()) reject; for (const auto &c : argQ.chunks()) { // Abandon matches when 'Q' is a constant |