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Charles G. Waldman <cgw@fnal.gov>:

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Add the EXTENDED_ARG opcode to the virtual machine, allowing 32-bit
arguments to opcodes instead of being forced to stick to the 16-bit
limit.  This is especially useful for machine-generated code, which
can be too long for the SET_LINENO parameter to fit into 16 bits.

This closes the implementation portion of SourceForge patch #100893.
This commit is contained in:
Fred Drake 2000-08-24 00:32:09 +00:00
parent e266e42c9c
commit ef8ace3a6f
6 changed files with 56 additions and 6 deletions
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6
Python/ceval.c
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@ -613,6 +613,7 @@ eval_code2(PyCodeObject *co, PyObject *globals, PyObject *locals,
opcode = NEXTOP();
if (HAS_ARG(opcode))
oparg = NEXTARG();
dispatch_opcode:
#ifdef DYNAMIC_EXECUTION_PROFILE
#ifdef DXPAIRS
dxpairs[lastopcode][opcode]++;
@ -1750,6 +1751,11 @@ eval_code2(PyCodeObject *co, PyObject *globals, PyObject *locals,
if (x != NULL) continue;
break;
case EXTENDED_ARG:
opcode = NEXTOP();
oparg = oparg<<16 | NEXTARG();
goto dispatch_opcode;
break;
default:
fprintf(stderr,