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Fixed a comment and added another one.

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This commit is contained in:
Armin Rigo 2004-10-30 21:08:59 +00:00
parent effb3931ea
commit d7bcf4deb1
1 changed files with 4 additions and 1 deletions
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5
Python/compile.c
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@ -651,7 +651,7 @@ optimize_code(PyObject *code, PyObject* consts, PyObject *names, PyObject *linen
"if a and b:" "if a and b:"
"if a or b:" "if a or b:"
"a and b or c" "a and b or c"
"a and b and c" "(a and b) and c"
x:JUMP_IF_FALSE y y:JUMP_IF_FALSE z --> x:JUMP_IF_FALSE z x:JUMP_IF_FALSE y y:JUMP_IF_FALSE z --> x:JUMP_IF_FALSE z
x:JUMP_IF_FALSE y y:JUMP_IF_TRUE z --> x:JUMP_IF_FALSE y+3 x:JUMP_IF_FALSE y y:JUMP_IF_TRUE z --> x:JUMP_IF_FALSE y+3
where y+3 is the instruction following the second test. where y+3 is the instruction following the second test.
@ -749,6 +749,9 @@ optimize_code(PyObject *code, PyObject* consts, PyObject *names, PyObject *linen
while (adj--) while (adj--)
codestr[h++] = codestr[i++]; codestr[h++] = codestr[i++];
} }
/* The following assertion detects the presence of NOPs in the input
bytecode. The compiler never produces NOPs so far; if one day it
does, the way 'nops' is counted above must be changed. */
assert(h + nops == codelen); assert(h + nops == codelen);
code = PyString_FromStringAndSize((char *)codestr, h); code = PyString_FromStringAndSize((char *)codestr, h);