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author | David Shah <davey1576@gmail.com> | 2018-06-23 12:09:01 +0200 |
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committer | David Shah <davey1576@gmail.com> | 2018-06-23 12:09:01 +0200 |
commit | 289fca0976071eabaeccedb7caf9125f70740ef8 (patch) | |
tree | fa182d79e8dc25625fce57dac7756a093a6cf730 /ice40/arch.cc | |
parent | 2e6916ecabeb9b4e4df23e68378a0c4fc608c6ec (diff) | |
download | nextpnr-289fca0976071eabaeccedb7caf9125f70740ef8.tar.gz nextpnr-289fca0976071eabaeccedb7caf9125f70740ef8.tar.bz2 nextpnr-289fca0976071eabaeccedb7caf9125f70740ef8.zip |
ice40: Move global net test to Arch
Signed-off-by: David Shah <davey1576@gmail.com>
Diffstat (limited to 'ice40/arch.cc')
-rw-r--r-- | ice40/arch.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/ice40/arch.cc b/ice40/arch.cc index ce45b051..78d4c29c 100644 --- a/ice40/arch.cc +++ b/ice40/arch.cc @@ -168,6 +168,9 @@ Arch::Arch(ArchArgs args) : args(args) wire_to_net.resize(chip_info->num_wires); pip_to_net.resize(chip_info->num_pips); switches_locked.resize(chip_info->num_switches); + + // Initialise regularly used IDStrings for performance + id_glb_buf_out = id("GLOBAL_BUFFER_OUTPUT"); } // ----------------------------------------------------------------------- @@ -501,4 +504,11 @@ bool Arch::isClockPort(const CellInfo *cell, IdString port) const return false; } +bool Arch::isGlobalNet(const NetInfo *net) const +{ + if (net == nullptr) + return false; + return net->driver.cell != nullptr && net->driver.port == id_glb_buf_out; +} + NEXTPNR_NAMESPACE_END |