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remove DSP48 references

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Chun Lin Min 2024-07-03 07:20:29 -07:00
parent f57b624281
commit e5bdc9b5c9
2 changed files with 1 additions and 3 deletions
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3
passes/pmgen/mchp_dsp.pmg
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@ -16,8 +16,7 @@
// This file describes the main pattern matcher setup (of three total) that // This file describes the main pattern matcher setup (of three total) that
// forms the `mchp_dsp` pass described in mchp_dsp.cc - version for // forms the `mchp_dsp` pass described in mchp_dsp.cc
// DSP48A/DSP48A1 (Spartan 3A DSP, Spartan 6).
// At a high level, it works as follows: // At a high level, it works as follows:
// ( 1) Starting from a DSP cell. Capture DSP configurations as states // ( 1) Starting from a DSP cell. Capture DSP configurations as states
// ( 2) Match for pre-adder // ( 2) Match for pre-adder

1
passes/pmgen/mchp_dsp_CREG.pmg
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@ -125,7 +125,6 @@ code
if (c.wire->get_bool_attribute(\keep)) if (c.wire->get_bool_attribute(\keep))
reject; reject;
// Abandon matches when 'Q' has a non-zero init attribute set // Abandon matches when 'Q' has a non-zero init attribute set
// (not supported by DSP48E1)
Const init = c.wire->attributes.at(\init, Const()); Const init = c.wire->attributes.at(\init, Const());
if (!init.empty()) if (!init.empty())
for (auto b : init.extract(c.offset, c.width)) for (auto b : init.extract(c.offset, c.width))