This is interesting for bisection, where an output file is plumbed,
but does not yet have patterns.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
scripts/decodetree.py | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/scripts/decodetree.py b/scripts/decodetree.py
index d6f94d902f..57d4c9297e 100755
--- a/scripts/decodetree.py
+++ b/scripts/decodetree.py
@@ -1046,15 +1046,16 @@ def main():
'(DisasContext *ctx, ', insntype, ' insn)\n{\n')
i4 = str_indent(4)
- output(i4, 'union {\n')
- for n in sorted(arguments.keys()):
- f = arguments[n]
- output(i4, i4, f.struct_name(), ' f_', f.name, ';\n')
- output(i4, '} u;\n\n')
- t.output_code(4, False, 0, 0)
+ if len(allpatterns) != 0:
+ output(i4, 'union {\n')
+ for n in sorted(arguments.keys()):
+ f = arguments[n]
+ output(i4, i4, f.struct_name(), ' f_', f.name, ';\n')
+ output(i4, '} u;\n\n')
+ t.output_code(4, False, 0, 0)
+
output(i4, 'return false;\n')
-
output('}\n')
if output_file:
--
2.17.2
