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Factored out test for absolute jumps.

This commit is contained in:
Raymond Hettinger 2003-03-28 12:05:00 +00:00
parent 6e5c1792d9
commit 5b75c38cc9
1 changed files with 3 additions and 2 deletions
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5
Python/compile.c
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@ -325,7 +325,8 @@ intern_strings(PyObject *tuple)
#define GETARG(arr, i) ((int)((arr[i+2]<<8) + arr[i+1]))
#define UNCONDITIONAL_JUMP(op) (op==JUMP_ABSOLUTE || op==JUMP_FORWARD)
#define GETJUMPTGT(arr, i) (GETARG(arr,i) + (arr[i]==JUMP_ABSOLUTE ? 0 : i+3))
#define ABSOLUTE_JUMP(op) (op==JUMP_ABSOLUTE || op==CONTINUE_LOOP)
#define GETJUMPTGT(arr, i) (GETARG(arr,i) + (ABSOLUTE_JUMP(arr[i]) ? 0 : i+3))
#define SETARG(arr, i, val) arr[i+2] = val>>8; arr[i+1] = val & 255
static PyObject *
@ -394,7 +395,7 @@ optimize_code(PyObject *code, PyObject* consts)
tgttgt = GETJUMPTGT(codestr, tgt);
if (opcode == JUMP_FORWARD) /* JMP_ABS can go backwards */
opcode = JUMP_ABSOLUTE;
if (opcode != JUMP_ABSOLUTE && opcode != CONTINUE_LOOP)
if (!ABSOLUTE_JUMP(opcode))
tgttgt -= i + 3; /* Calc relative jump addr */
if (tgttgt < 0) /* No backward relative jumps */
continue;