Hardware
/
litex
mirror of https://github.com/enjoy-digital/litex.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Revert "fhdl/tools/group_by_target: remove resort_statements" 

This reverts commit 939f01cee2.
This commit is contained in:
Sebastien Bourdeauducq 2013-07-17 16:49:26 +02:00
parent 9190568685
commit d5d2e64dc3
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
migen/fhdl/tools.py
View File

@ -48,24 +48,29 @@ def list_targets(node):
lister.visit(node)
return lister.output_list
def resort_statements(ol):
return [statement for i, statement in
sorted(ol, key=lambda x: x[0])]
def group_by_targets(sl):
groups = []
for statement in flat_iteration(sl):
for statement_order, statement in enumerate(flat_iteration(sl)):
targets = list_targets(statement)
chk_groups = [(targets.isdisjoint(g[0]), g) for g in groups]
merge_groups = [g for dj, g in chk_groups if not dj]
groups = [g for dj, g in chk_groups if dj]
new_group = (set(targets), [])
new_group = (set(targets), [(statement_order, statement)])
for g in merge_groups:
new_group[0].update(g[0])
new_group[1].extend(g[1])
new_group[1].append(statement)
groups.append(new_group)
return groups
return [(target, resort_statements(stmts))
for target, stmts in groups]
def list_special_ios(f, ins, outs, inouts):
r = set()