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fhdl/tools/group_by_target: remove resort_statements

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This commit is contained in:
Sebastien Bourdeauducq 2013-07-17 10:38:39 +02:00
parent 16ebe41028
commit 939f01cee2
1 changed files with 4 additions and 9 deletions
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13
migen/fhdl/tools.py
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@ -48,29 +48,24 @@ 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_order, statement in enumerate(flat_iteration(sl)):
for statement in 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), [(statement_order, statement)])
new_group = (set(targets), [])
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 [(target, resort_statements(stmts))
for target, stmts in groups]
return groups
def list_special_ios(f, ins, outs, inouts):
r = set()