diff options
Diffstat (limited to 'passes')
| -rw-r--r-- | passes/pmgen/xilinx_dsp.pmg | 15 | ||||
| -rw-r--r-- | passes/pmgen/xilinx_dsp_CREG.pmg | 5 |
2 files changed, 0 insertions, 20 deletions
diff --git a/passes/pmgen/xilinx_dsp.pmg b/passes/pmgen/xilinx_dsp.pmg index bcf966a8a..6b6151564 100644 --- a/passes/pmgen/xilinx_dsp.pmg +++ b/passes/pmgen/xilinx_dsp.pmg @@ -103,11 +103,6 @@ code sigA sigB sigC sigD sigM clock } else sigM = P; - // TODO: Check if necessary - // This sigM could have no users if downstream $add - // is narrower than $mul result, for example - if (sigM.empty()) - reject; clock = port(dsp, \CLK, SigBit()); endcode @@ -159,16 +154,6 @@ match preAdd optional endmatch -code sigA sigD - // TODO: Check if this is necessary? - if (preAdd) { - sigA = port(preAdd, \A); - sigD = port(preAdd, \B); - if (GetSize(sigA) < GetSize(sigD)) - std::swap(sigA, sigD); - } -endcode - // (4) If pre-adder was present, find match 'A' input for A2REG // If pre-adder was not present, move ADREG to A2REG // Then match 'A' input for A1REG diff --git a/passes/pmgen/xilinx_dsp_CREG.pmg b/passes/pmgen/xilinx_dsp_CREG.pmg index 38a5a8d24..5697ee737 100644 --- a/passes/pmgen/xilinx_dsp_CREG.pmg +++ b/passes/pmgen/xilinx_dsp_CREG.pmg @@ -79,11 +79,6 @@ endcode // (attached to at most two $mux cells that implement clock-enable or // reset functionality, using a subpattern discussed below) code argQ ffC ffCcemux ffCrstmux ffCcepol ffCrstpol sigC clock - // TODO: Any downside to allowing this? - // If this DSP implements an accumulator, do not attempt to match - if (sigC == sigP) - reject; - argQ = sigC; subpattern(in_dffe); if (dff) { |