summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--Include/internal/pycore_opcode.h18
-rw-r--r--Lib/dis.py13
-rw-r--r--Lib/opcode.py6
-rw-r--r--Lib/test/test__opcode.py2
-rw-r--r--Tools/build/generate_opcode_h.py5
5 files changed, 23 insertions, 21 deletions
diff --git a/Include/internal/pycore_opcode.h b/Include/internal/pycore_opcode.h
index d7f6b84..aff09a2 100644
--- a/Include/internal/pycore_opcode.h
+++ b/Include/internal/pycore_opcode.h
@@ -19,20 +19,20 @@ extern const uint8_t _PyOpcode_Deopt[256];
#ifdef NEED_OPCODE_TABLES
const uint8_t _PyOpcode_Caches[256] = {
- [TO_BOOL] = 3,
- [BINARY_SUBSCR] = 1,
- [STORE_SUBSCR] = 1,
+ [LOAD_GLOBAL] = 4,
+ [BINARY_OP] = 1,
[UNPACK_SEQUENCE] = 1,
+ [COMPARE_OP] = 1,
+ [BINARY_SUBSCR] = 1,
[FOR_ITER] = 1,
- [STORE_ATTR] = 4,
+ [LOAD_SUPER_ATTR] = 1,
[LOAD_ATTR] = 9,
- [COMPARE_OP] = 1,
- [LOAD_GLOBAL] = 4,
- [BINARY_OP] = 1,
+ [STORE_ATTR] = 4,
+ [CALL] = 3,
+ [STORE_SUBSCR] = 1,
[SEND] = 1,
[JUMP_BACKWARD] = 1,
- [LOAD_SUPER_ATTR] = 1,
- [CALL] = 3,
+ [TO_BOOL] = 3,
};
const uint8_t _PyOpcode_Deopt[256] = {
diff --git a/Lib/dis.py b/Lib/dis.py
index 184eb14..b167773 100644
--- a/Lib/dis.py
+++ b/Lib/dis.py
@@ -288,13 +288,16 @@ _ExceptionTableEntry = collections.namedtuple("_ExceptionTableEntry",
_OPNAME_WIDTH = 20
_OPARG_WIDTH = 5
+def _get_cache_size(opname):
+ return _inline_cache_entries.get(opname, 0)
+
def _get_jump_target(op, arg, offset):
"""Gets the bytecode offset of the jump target if this is a jump instruction.
Otherwise return None.
"""
deop = _deoptop(op)
- caches = _inline_cache_entries[deop]
+ caches = _get_cache_size(_all_opname[deop])
if deop in hasjrel:
if _is_backward_jump(deop):
arg = -arg
@@ -353,7 +356,7 @@ class Instruction(_Instruction):
@property
def end_offset(self):
"""End index of the cache entries following the operation."""
- return self.cache_offset + _inline_cache_entries[self.opcode]*2
+ return self.cache_offset + _get_cache_size(_all_opname[self.opcode])*2
@property
def jump_target(self):
@@ -535,7 +538,7 @@ def _get_instructions_bytes(code, varname_from_oparg=None,
argrepr = ''
positions = Positions(*next(co_positions, ()))
deop = _deoptop(op)
- caches = _inline_cache_entries[deop]
+ caches = _get_cache_size(_all_opname[deop])
op = code[offset]
if arg is not None:
# Set argval to the dereferenced value of the argument when
@@ -679,7 +682,7 @@ def _disassemble_bytes(code, lasti=-1, varname_from_oparg=None,
else:
# Each CACHE takes 2 bytes
is_current_instr = instr.offset <= lasti \
- <= instr.offset + 2 * _inline_cache_entries[_deoptop(instr.opcode)]
+ <= instr.offset + 2 * _get_cache_size(_all_opname[_deoptop(instr.opcode)])
print(instr._disassemble(lineno_width, is_current_instr, offset_width),
file=file)
if exception_entries:
@@ -712,7 +715,7 @@ def _unpack_opargs(code):
continue
op = code[i]
deop = _deoptop(op)
- caches = _inline_cache_entries[deop]
+ caches = _get_cache_size(_all_opname[deop])
if deop in hasarg:
arg = code[i+1] | extended_arg
extended_arg = (arg << 8) if deop == EXTENDED_ARG else 0
diff --git a/Lib/opcode.py b/Lib/opcode.py
index 36831d8..bed9223 100644
--- a/Lib/opcode.py
+++ b/Lib/opcode.py
@@ -347,6 +347,6 @@ _cache_format = {
},
}
-_inline_cache_entries = [
- sum(_cache_format.get(opname[opcode], {}).values()) for opcode in range(256)
-]
+_inline_cache_entries = {
+ name : sum(value.values()) for (name, value) in _cache_format.items()
+}
diff --git a/Lib/test/test__opcode.py b/Lib/test/test__opcode.py
index b3a9bcb..c1f612d 100644
--- a/Lib/test/test__opcode.py
+++ b/Lib/test/test__opcode.py
@@ -106,7 +106,7 @@ class SpecializationStatsTests(unittest.TestCase):
specialized_opcodes = [
op.lower()
for op in opcode._specializations
- if opcode._inline_cache_entries[opcode.opmap[op]]
+ if opcode._inline_cache_entries.get(op, 0)
]
self.assertIn('load_attr', specialized_opcodes)
self.assertIn('binary_subscr', specialized_opcodes)
diff --git a/Tools/build/generate_opcode_h.py b/Tools/build/generate_opcode_h.py
index 179abcf..19e5eab 100644
--- a/Tools/build/generate_opcode_h.py
+++ b/Tools/build/generate_opcode_h.py
@@ -120,9 +120,8 @@ def main(opcode_py,
iobj.write("\n#ifdef NEED_OPCODE_TABLES\n")
iobj.write("\nconst uint8_t _PyOpcode_Caches[256] = {\n")
- for i, entries in enumerate(opcode["_inline_cache_entries"]):
- if entries:
- iobj.write(f" [{opname[i]}] = {entries},\n")
+ for name, entries in opcode["_inline_cache_entries"].items():
+ iobj.write(f" [{name}] = {entries},\n")
iobj.write("};\n")
deoptcodes = {}