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SF bug 1442442: LIST_APPEND optimization got lost in the AST merge.

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Add it back.
This commit is contained in:
Neal Norwitz 2006-03-03 20:29:11 +00:00
parent d4e3035701
commit 10be2ea85d
3 changed files with 22 additions and 22 deletions
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7
Python/compile.c
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@ -1297,6 +1297,9 @@ opcode_stack_effect(int opcode, int oparg)
case UNARY_INVERT:
return 0;
case LIST_APPEND:
return -2;
case BINARY_POWER:
case BINARY_MULTIPLY:
case BINARY_DIVIDE:
@ -3149,8 +3152,7 @@ compiler_listcomp_generator(struct compiler *c, PyObject *tmpname,
if (!compiler_nameop(c, tmpname, Load))
return 0;
VISIT(c, expr, elt);
ADDOP_I(c, CALL_FUNCTION, 1);
ADDOP(c, POP_TOP);
ADDOP(c, LIST_APPEND);
compiler_use_next_block(c, skip);
}
@ -3189,7 +3191,6 @@ compiler_listcomp(struct compiler *c, expr_ty e)
return 0;
ADDOP_I(c, BUILD_LIST, 0);
ADDOP(c, DUP_TOP);
ADDOP_O(c, LOAD_ATTR, append, names);
if (compiler_nameop(c, tmp, Store))
rc = compiler_listcomp_generator(c, tmp, generators, 0,
e->v.ListComp.elt);