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[engine] update code comments

This commit is contained in:
tangxifan 2022-09-06 13:51:29 -07:00
parent eab3580f79
commit e748c7697d
1 changed files with 3 additions and 2 deletions
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5
openfpga/src/utils/rr_gsb_utils.cpp
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@ -56,7 +56,7 @@ std::vector<RRNodeId> get_rr_gsb_chan_node_configurable_driver_nodes(const RRGra
return driver_nodes;
}
/** @brief Evaluate if two RRChan is mirror to each other */
/** @brief Evaluate if two routing channels are mirror to each other */
static
bool is_chan_mirror(const RRGraph& rr_graph,
const VprDeviceAnnotation& device_annotation,
@ -82,6 +82,7 @@ bool is_chan_mirror(const RRGraph& rr_graph,
return false;
}
/* 3.3 check node segment */
/* FIXME: Maybe this is too tight! Consider to remove the restrictions on segments */
if (device_annotation.rr_segment_circuit_model(base.get_node_segment(inode)) != device_annotation.rr_segment_circuit_model(cand.get_node_segment(inode))) {
return false;
}
@ -177,7 +178,7 @@ bool is_sb_side_segment_mirror(const RRGraph& rr_graph,
return false;
}
for (size_t itrack = 0; itrack < base.get_chan_width(side); ++itrack) {
/* Bypass unrelated segments */
/* FIXME: Maybe this is too tight! Consider to remove the restrictions on segments */
if (device_annotation.rr_segment_circuit_model(seg_id) != device_annotation.rr_segment_circuit_model(base.get_chan_node_segment(side, itrack))) {
continue;
}