Author: Carl Friedrich Bolz <[email protected]>
Branch:
Changeset: r61232:aabdafe82886
Date: 2013-02-14 15:42 +0100
http://bitbucket.org/pypy/pypy/changeset/aabdafe82886/
Log: Add an assertion that the number of constants in a function is only
up to 256. I just ran into the problem and the behaviour is very
confusing.
diff --git a/rpython/jit/codewriter/assembler.py
b/rpython/jit/codewriter/assembler.py
--- a/rpython/jit/codewriter/assembler.py
+++ b/rpython/jit/codewriter/assembler.py
@@ -107,7 +107,9 @@
key = (kind, Constant(value))
if key not in self.constants_dict:
constants.append(value)
- self.constants_dict[key] = 256 - len(constants)
+ val = 256 - len(constants)
+ assert val >= 0, "too many constants"
+ self.constants_dict[key] = val
# emit the constant normally, as one byte that is an index in the
# list of constants
self.code.append(chr(self.constants_dict[key]))
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