Commit 4bce9494 authored by Robert Bradshaw's avatar Robert Bradshaw

gcc branch prediction

For some reason, it actually makes it slower in some of the most common cases (now commented out). Why? It does help in others.
parent 08b3b0de
......@@ -3,6 +3,7 @@
#
import Naming
import Options
from Pyrex.Utils import open_new_file
from PyrexTypes import py_object_type, typecast
......@@ -294,6 +295,10 @@ class CCodeWriter:
doc_code,
term))
def put_error_if_neg(self, pos, value):
# return self.putln("if (unlikely(%s < 0)) %s" % (value, self.error_goto(pos))) # TODO this path is almost _never_ taken, yet this macro makes is slower!
return self.putln("if (%s < 0) %s" % (value, self.error_goto(pos)))
def error_goto(self, pos):
lbl = self.error_label
self.use_label(lbl)
......@@ -304,6 +309,21 @@ class CCodeWriter:
Naming.lineno_cname,
pos[1],
lbl)
def error_goto_if(self, cond, pos):
if Options.gcc_branch_hints or 0: # TODO this path is almost _never_ taken, yet this macro makes is slower!
return "if (unlikely(%s)) %s" % (cond, self.error_goto(pos))
else:
return "if (%s) %s" % (cond, self.error_goto(pos))
def error_goto_if_null(self, cname, pos):
return self.error_goto_if("!%s" % cname, pos)
def error_goto_if_neg(self, cname, pos):
return self.error_goto_if("%s < 0" % cname, pos)
def error_goto_if_PyErr(self, pos):
return self.error_goto_if("PyErr_Occurred()", pos)
def lookup_filename(self, filename):
try:
......
......@@ -646,11 +646,10 @@ class LongNode(AtomicExprNode):
def generate_evaluation_code(self, code):
code.putln(
'%s = PyLong_FromString("%s", 0, 0); if (!%s) %s' % (
'%s = PyLong_FromString("%s", 0, 0); %s' % (
self.result_code,
self.value,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class ImagNode(AtomicExprNode):
......@@ -664,11 +663,10 @@ class ImagNode(AtomicExprNode):
def generate_evaluation_code(self, code):
code.putln(
"%s = PyComplex_FromDoubles(0.0, %s); if (!%s) %s" % (
"%s = PyComplex_FromDoubles(0.0, %s); %s" % (
self.result_code,
self.value,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class NameNode(AtomicExprNode):
......@@ -797,20 +795,18 @@ class NameNode(AtomicExprNode):
if Options.intern_names:
#assert entry.interned_cname is not None
code.putln(
'%s = __Pyx_GetName(%s, %s); if (!%s) %s' % (
'%s = __Pyx_GetName(%s, %s); %s' % (
self.result_code,
namespace,
entry.interned_cname,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
else:
code.putln(
'%s = __Pyx_GetName(%s, "%s"); if (!%s) %s' % (
'%s = __Pyx_GetName(%s, "%s"); %s' % (
self.result_code,
namespace,
self.entry.name,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
def generate_assignment_code(self, rhs, code):
entry = self.entry
......@@ -819,19 +815,17 @@ class NameNode(AtomicExprNode):
if entry.is_pyglobal:
namespace = self.entry.namespace_cname
if Options.intern_names:
code.putln(
'if (PyObject_SetAttr(%s, %s, %s) < 0) %s' % (
code.put_error_if_neg(self.pos,
'PyObject_SetAttr(%s, %s, %s)' % (
namespace,
entry.interned_cname,
rhs.py_result(),
code.error_goto(self.pos)))
rhs.py_result()))
else:
code.putln(
'if (PyObject_SetAttrString(%s, "%s", %s) < 0) %s' % (
code.put_error_if_neg(self.pos,
'PyObject_SetAttrString(%s, "%s", %s)' % (
namespace,
entry.name,
rhs.py_result(),
code.error_goto(self.pos)))
rhs.py_result()))
if debug_disposal_code:
print "NameNode.generate_assignment_code:"
print "...generating disposal code for", rhs
......@@ -856,11 +850,10 @@ class NameNode(AtomicExprNode):
if not self.entry.is_pyglobal:
error(self.pos, "Deletion of local or C global name not supported")
return
code.putln(
'if (PyObject_DelAttrString(%s, "%s") < 0) %s' % (
code.put_error_if_neg(self.pos,
'PyObject_DelAttrString(%s, "%s")' % (
Naming.module_cname,
self.entry.name,
code.error_goto(self.pos)))
self.entry.name))
class BackquoteNode(ExprNode):
......@@ -878,11 +871,10 @@ class BackquoteNode(ExprNode):
def generate_result_code(self, code):
code.putln(
"%s = PyObject_Repr(%s); if (!%s) %s" % (
"%s = PyObject_Repr(%s); %s" % (
self.result_code,
self.arg.py_result(),
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class ImportNode(ExprNode):
......@@ -910,12 +902,11 @@ class ImportNode(ExprNode):
else:
name_list_code = "0"
code.putln(
"%s = __Pyx_Import(%s, %s); if (!%s) %s" % (
"%s = __Pyx_Import(%s, %s); %s" % (
self.result_code,
self.module_name.py_result(),
name_list_code,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class IteratorNode(ExprNode):
......@@ -947,11 +938,10 @@ class IteratorNode(ExprNode):
self.result_code,
self.sequence.py_result(),
self.result_code))
code.putln("else { %s = PyObject_GetIter(%s); if (!%s) %s }" % (
code.putln("else { %s = PyObject_GetIter(%s); %s }" % (
self.result_code,
self.sequence.py_result(),
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class NextNode(AtomicExprNode):
......@@ -986,9 +976,7 @@ class NextNode(AtomicExprNode):
code.putln(
"if (!%s) {" %
self.result_code)
code.putln(
"if (PyErr_Occurred()) %s" %
code.error_goto(self.pos))
code.error_goto_if_PyErr(self.pos)
code.putln("break;")
code.putln("}")
code.putln("}")
......@@ -1007,10 +995,9 @@ class ExcValueNode(AtomicExprNode):
def generate_result_code(self, code):
code.putln(
"%s = __Pyx_GetExcValue(); if (!%s) %s" % (
"%s = __Pyx_GetExcValue(); %s" % (
self.result_code,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class TempNode(AtomicExprNode):
......@@ -1137,12 +1124,11 @@ class IndexNode(ExprNode):
def generate_generic_code_result(self, code):
self.py_index.generate_result_code(code)
code.putln(
"%s = PyObject_GetItem(%s, %s); if (!%s) %s" % (
"%s = PyObject_GetItem(%s, %s); %s" % (
self.result_code,
self.base.py_result(),
self.py_index.py_result(),
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
if self.is_temp:
self.py_index.generate_disposal_code(code)
......@@ -1177,23 +1163,21 @@ class IndexNode(ExprNode):
def generate_generic_assignment_code(self, rhs, code):
self.py_index.generate_result_code(code)
code.putln(
"if (PyObject_SetItem(%s, %s, %s) < 0) %s" % (
code.put_error_if_neg(self.pos,
"PyObject_SetItem(%s, %s, %s)" % (
self.base.py_result(),
self.py_index.py_result(),
rhs.py_result(),
code.error_goto(self.pos)))
rhs.py_result()))
if self.is_temp:
self.py_index.generate_disposal_code(code)
def generate_deletion_code(self, code):
self.generate_subexpr_evaluation_code(code)
self.py_index.generate_evaluation_code(code)
code.putln(
"if (PyObject_DelItem(%s, %s) < 0) %s" % (
code.put_error_if_neg(self.pos,
"PyObject_DelItem(%s, %s)" % (
self.base.py_result(),
self.py_index.py_result(),
code.error_goto(self.pos)))
self.py_index.py_result()))
self.generate_subexpr_disposal_code(code)
self.py_index.generate_disposal_code(code)
......@@ -1227,34 +1211,31 @@ class SliceIndexNode(ExprNode):
def generate_result_code(self, code):
code.putln(
"%s = PySequence_GetSlice(%s, %s, %s); if (!%s) %s" % (
"%s = PySequence_GetSlice(%s, %s, %s); %s" % (
self.result_code,
self.base.py_result(),
self.start_code(),
self.stop_code(),
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
def generate_assignment_code(self, rhs, code):
self.generate_subexpr_evaluation_code(code)
code.putln(
"if (PySequence_SetSlice(%s, %s, %s, %s) < 0) %s" % (
code.put_error_if_neg(self.pos,
"PySequence_SetSlice(%s, %s, %s, %s)" % (
self.base.py_result(),
self.start_code(),
self.stop_code(),
rhs.result_code,
code.error_goto(self.pos)))
rhs.result_code))
self.generate_subexpr_disposal_code(code)
rhs.generate_disposal_code(code)
def generate_deletion_code(self, code):
self.generate_subexpr_evaluation_code(code)
code.putln(
"if (PySequence_DelSlice(%s, %s, %s) < 0) %s" % (
code.put_error_if_neg(self.pos,
"PySequence_DelSlice(%s, %s, %s)" % (
self.base.py_result(),
self.start_code(),
self.stop_code(),
code.error_goto(self.pos)))
self.stop_code()))
self.generate_subexpr_disposal_code(code)
def start_code(self):
......@@ -1295,13 +1276,12 @@ class SliceNode(ExprNode):
def generate_result_code(self, code):
code.putln(
"%s = PySlice_New(%s, %s, %s); if (!%s) %s" % (
"%s = PySlice_New(%s, %s, %s); %s" % (
self.result_code,
self.start.py_result(),
self.stop.py_result(),
self.step.py_result(),
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class SimpleCallNode(ExprNode):
# Function call without keyword, * or ** args.
......@@ -1426,12 +1406,11 @@ class SimpleCallNode(ExprNode):
else:
arg_code = "0"
code.putln(
"%s = PyObject_CallObject(%s, %s); if (!%s) %s" % (
"%s = PyObject_CallObject(%s, %s); %s" % (
self.result_code,
self.function.py_result(),
arg_code,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
elif func_type.is_cfunction:
exc_checks = []
if self.type.is_pyobject:
......@@ -1455,11 +1434,10 @@ class SimpleCallNode(ExprNode):
else:
lhs = ""
code.putln(
"%s%s; if (%s) %s" % (
"%s%s; %s" % (
lhs,
rhs,
" && ".join(exc_checks),
code.error_goto(self.pos)))
code.error_goto_if(" && ".join(exc_checks), self.pos)))
class GeneralCallNode(ExprNode):
# General Python function call, including keyword,
......@@ -1490,11 +1468,10 @@ class GeneralCallNode(ExprNode):
def generate_result_code(self, code):
if self.keyword_args and self.starstar_arg:
code.putln(
"if (PyDict_Update(%s, %s) < 0) %s" % (
code.put_error_if_neg(self.pos,
"PyDict_Update(%s, %s)" % (
self.keyword_args.py_result(),
self.starstar_arg.py_result(),
code.error_goto(self.pos)))
self.starstar_arg.py_result()))
keyword_code = self.keyword_args.py_result()
elif self.keyword_args:
keyword_code = self.keyword_args.py_result()
......@@ -1512,11 +1489,10 @@ class GeneralCallNode(ExprNode):
self.positional_args.py_result(),
keyword_code)
code.putln(
"%s = %s; if (!%s) %s" % (
"%s = %s; %s" % (
self.result_code,
call_code,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class AsTupleNode(ExprNode):
......@@ -1535,11 +1511,10 @@ class AsTupleNode(ExprNode):
def generate_result_code(self, code):
code.putln(
"%s = PySequence_Tuple(%s); if (!%s) %s" % (
"%s = PySequence_Tuple(%s); %s" % (
self.result_code,
self.arg.py_result(),
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class AttributeNode(ExprNode):
......@@ -1745,38 +1720,34 @@ class AttributeNode(ExprNode):
if self.is_py_attr:
if Options.intern_names:
code.putln(
'%s = PyObject_GetAttr(%s, %s); if (!%s) %s' % (
'%s = PyObject_GetAttr(%s, %s); %s' % (
self.result_code,
self.obj.py_result(),
self.interned_attr_cname,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
else:
code.putln(
'%s = PyObject_GetAttrString(%s, "%s"); if (!%s) %s' % (
'%s = PyObject_GetAttrString(%s, "%s"); %s' % (
self.result_code,
self.objpy_result(),
self.attribute,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
def generate_assignment_code(self, rhs, code):
self.obj.generate_evaluation_code(code)
if self.is_py_attr:
if Options.intern_names:
code.putln(
'if (PyObject_SetAttr(%s, %s, %s) < 0) %s' % (
code.put_error_if_neg(self.pos,
'PyObject_SetAttr(%s, %s, %s)' % (
self.obj.py_result(),
self.interned_attr_cname,
rhs.py_result(),
code.error_goto(self.pos)))
rhs.py_result()))
else:
code.putln(
'if (PyObject_SetAttrString(%s, "%s", %s) < 0) %s' % (
code.put_error_if_neg(self.pos,
'PyObject_SetAttrString(%s, "%s", %s)' % (
self.obj.py_result(),
self.attribute,
rhs.py_result(),
code.error_goto(self.pos)))
rhs.py_result()))
rhs.generate_disposal_code(code)
else:
select_code = self.result_code
......@@ -1795,17 +1766,15 @@ class AttributeNode(ExprNode):
self.obj.generate_evaluation_code(code)
if self.is_py_attr:
if Options.intern_names:
code.putln(
'if (PyObject_DelAttr(%s, %s) < 0) %s' % (
code.put_error_if_neg(self.pos,
'PyObject_DelAttr(%s, %s)' % (
self.obj.py_result(),
self.interned_attr_cname,
code.error_goto(self.pos)))
self.interned_attr_cname))
else:
code.putln(
'if (PyObject_DelAttrString(%s, "%s") < 0) %s' % (
code.put_error_if_neg(self.pos,
'PyObject_DelAttrString(%s, "%s")' % (
self.obj.py_result(),
self.attribute,
code.error_goto(self.pos)))
self.attribute))
else:
error(self.pos, "Cannot delete C attribute of extension type")
self.obj.generate_disposal_code(code)
......@@ -1899,29 +1868,26 @@ class SequenceNode(ExprNode):
code.putln("else {")
code.putln(
"%s = PyObject_GetIter(%s); if (!%s) %s" % (
"%s = PyObject_GetIter(%s); %s" % (
self.iterator.result_code,
rhs.py_result(),
self.iterator.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.iterator.result_code, self.pos)))
rhs.generate_disposal_code(code)
for i in range(len(self.args)):
item = self.unpacked_items[i]
unpack_code = "__Pyx_UnpackItem(%s)" % (
self.iterator.py_result())
code.putln(
"%s = %s; if (!%s) %s" % (
"%s = %s; %s" % (
item.result_code,
typecast(item.ctype(), py_object_type, unpack_code),
item.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(item.result_code, self.pos)))
value_node = self.coerced_unpacked_items[i]
value_node.generate_evaluation_code(code)
self.args[i].generate_assignment_code(value_node, code)
code.putln(
"if (__Pyx_EndUnpack(%s) < 0) %s" % (
self.iterator.py_result(),
code.error_goto(self.pos)))
code.put_error_if_neg(self.pos,
"__Pyx_EndUnpack(%s)" % (
self.iterator.py_result()))
if debug_disposal_code:
print "UnpackNode.generate_assignment_code:"
print "...generating disposal code for", iterator
......@@ -1935,11 +1901,10 @@ class TupleNode(SequenceNode):
def generate_operation_code(self, code):
code.putln(
"%s = PyTuple_New(%s); if (!%s) %s" % (
"%s = PyTuple_New(%s); %s" % (
self.result_code,
len(self.args),
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
for i in range(len(self.args)):
arg = self.args[i]
if not arg.result_in_temp():
......@@ -1962,11 +1927,10 @@ class ListNode(SequenceNode):
# List constructor.
def generate_operation_code(self, code):
code.putln("%s = PyList_New(%s); if (!%s) %s" %
code.putln("%s = PyList_New(%s); %s" %
(self.result_code,
len(self.args),
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
for i in range(len(self.args)):
arg = self.args[i]
#if not arg.is_temp:
......@@ -2002,11 +1966,10 @@ class ListComprehensionNode(SequenceNode):
self.loop.analyse_expressions(env)
def generate_operation_code(self, code):
code.putln("%s = PyList_New(%s); if (!%s) %s" %
code.putln("%s = PyList_New(%s); %s" %
(self.result_code,
0,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
self.loop.generate_execution_code(code)
......@@ -2022,12 +1985,11 @@ class ListComprehensionAppendNode(ExprNode):
self.is_temp = 1
def generate_result_code(self, code):
code.putln("%s = PyList_Append(%s, %s); if (%s) %s" %
code.putln("%s = PyList_Append(%s, %s); %s" %
(self.result_code,
self.target.result_code,
self.expr.result_code,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if(self.result_code, self.pos)))
class DictNode(ExprNode):
......@@ -2061,19 +2023,17 @@ class DictNode(ExprNode):
# Custom method used here because key-value
# pairs are evaluated and used one at a time.
code.putln(
"%s = PyDict_New(); if (!%s) %s" % (
"%s = PyDict_New(); %s" % (
self.result_code,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
for key, value in self.key_value_pairs:
key.generate_evaluation_code(code)
value.generate_evaluation_code(code)
code.putln(
"if (PyDict_SetItem(%s, %s, %s) < 0) %s" % (
code.put_error_if_neg(self.pos,
"PyDict_SetItem(%s, %s, %s)" % (
self.result_code,
key.py_result(),
value.py_result(),
code.error_goto(self.pos)))
value.py_result()))
key.generate_disposal_code(code)
value.generate_disposal_code(code)
......@@ -2105,20 +2065,18 @@ class ClassNode(ExprNode):
def generate_result_code(self, code):
if self.doc:
code.putln(
'if (PyDict_SetItemString(%s, "__doc__", %s) < 0) %s' % (
code.put_error_if_neg(self.pos,
'PyDict_SetItemString(%s, "__doc__", %s)' % (
self.dict.py_result(),
self.doc.py_result(),
code.error_goto(self.pos)))
self.doc.py_result()))
code.putln(
'%s = __Pyx_CreateClass(%s, %s, %s, "%s"); if (!%s) %s' % (
'%s = __Pyx_CreateClass(%s, %s, %s, "%s"); %s' % (
self.result_code,
self.bases.py_result(),
self.dict.py_result(),
self.name.py_result(),
self.module_name,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class UnboundMethodNode(ExprNode):
......@@ -2138,12 +2096,11 @@ class UnboundMethodNode(ExprNode):
def generate_result_code(self, code):
code.putln(
"%s = PyMethod_New(%s, 0, %s); if (!%s) %s" % (
"%s = PyMethod_New(%s, 0, %s); %s" % (
self.result_code,
self.function.py_result(),
self.class_cname,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class PyCFunctionNode(AtomicExprNode):
......@@ -2159,11 +2116,10 @@ class PyCFunctionNode(AtomicExprNode):
def generate_result_code(self, code):
code.putln(
"%s = PyCFunction_New(&%s, 0); if (!%s) %s" % (
"%s = PyCFunction_New(&%s, 0); %s" % (
self.result_code,
self.pymethdef_cname,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
#-------------------------------------------------------------------
#
......@@ -2213,12 +2169,11 @@ class UnopNode(ExprNode):
def generate_py_operation_code(self, code):
function = self.py_operation_function()
code.putln(
"%s = %s(%s); if (!%s) %s" % (
"%s = %s(%s); %s" % (
self.result_code,
function,
self.operand.py_result(),
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
def type_error(self):
if not self.operand.type.is_error:
......@@ -2497,14 +2452,13 @@ class BinopNode(ExprNode):
else:
extra_args = ""
code.putln(
"%s = %s(%s, %s%s); if (!%s) %s" % (
"%s = %s(%s, %s%s); %s" % (
self.result_code,
function,
self.operand1.py_result(),
self.operand2.py_result(),
extra_args,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
else:
if self.is_temp:
self.generate_c_operation_code(code)
......@@ -2744,11 +2698,10 @@ class BoolBinopNode(ExprNode):
if self.type.is_pyobject:
test_result = self.temp_bool.result_code
code.putln(
"%s = PyObject_IsTrue(%s); if (%s < 0) %s" % (
"%s = PyObject_IsTrue(%s); %s" % (
test_result,
self.operand1.py_result(),
test_result,
code.error_goto(self.pos)))
code.error_goto_if_neg(test_result, self.pos)))
else:
test_result = self.operand1.result_code
return test_result
......@@ -2873,24 +2826,22 @@ class CmpNode:
operand1, op , operand2):
if op == 'in' or op == 'not_in':
code.putln(
"%s = PySequence_Contains(%s, %s); if (%s < 0) %s" % (
"%s = PySequence_Contains(%s, %s); %s" % (
result_code,
operand2.py_result(),
operand1.py_result(),
result_code,
code.error_goto(self.pos)))
code.error_goto_if_neg(result_code, self.pos)))
if op == 'not_in':
code.putln(
"%s = !%s;" % (
result_code, result_code))
elif (operand1.type.is_pyobject
and op not in ('is', 'is_not')):
code.putln(
"if (PyObject_Cmp(%s, %s, &%s) < 0) %s" % (
code.put_error_if_neg(self.pos,
"PyObject_Cmp(%s, %s, &%s)" % (
operand1.py_result(),
operand2.py_result(),
result_code,
code.error_goto(self.pos)))
result_code))
code.putln(
"%s = %s %s 0;" % (
result_code, result_code, op))
......@@ -3178,12 +3129,11 @@ class CoerceToPyTypeNode(CoercionNode):
def generate_result_code(self, code):
function = self.arg.type.to_py_function
code.putln('%s = %s(%s); if (!%s) %s' % (
code.putln('%s = %s(%s); %s' % (
self.result_code,
function,
self.arg.result_code,
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.result_code, self.pos)))
class CoerceFromPyTypeNode(CoercionNode):
......@@ -3207,10 +3157,10 @@ class CoerceFromPyTypeNode(CoercionNode):
rhs = "%s(%s)" % (function, operand)
if self.type.is_enum:
rhs = typecast(self.type, c_long_type, rhs)
code.putln('%s = %s; if (PyErr_Occurred()) %s' % (
code.putln('%s = %s; %s' % (
self.result_code,
rhs,
code.error_goto(self.pos)))
code.error_goto_if_PyErr(self.pos)))
class CoerceToBooleanNode(CoercionNode):
......@@ -3234,11 +3184,10 @@ class CoerceToBooleanNode(CoercionNode):
def generate_result_code(self, code):
if self.arg.type.is_pyobject:
code.putln(
"%s = PyObject_IsTrue(%s); if (%s < 0) %s" % (
"%s = PyObject_IsTrue(%s); %s" % (
self.result_code,
self.arg.py_result(),
self.result_code,
code.error_goto(self.pos)))
code.error_goto_if_neg(self.result_code, self.pos)))
class CoerceToTempNode(CoercionNode):
......
......@@ -155,6 +155,7 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
# code.putln('#include "%s"' % filename)
code.putln('')
code.put(Nodes.utility_function_predeclarations)
code.put(Nodes.branch_prediction_macros)
#if Options.intern_names:
# code.putln(Nodes.get_name_interned_predeclaration)
#else:
......@@ -1207,13 +1208,12 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
objstruct = type.objstruct_cname
else:
objstruct = "struct %s" % type.objstruct_cname
code.putln('%s = __Pyx_ImportType("%s", "%s", sizeof(%s)); if (!%s) %s' % (
code.putln('%s = __Pyx_ImportType("%s", "%s", sizeof(%s)); %s' % (
type.typeptr_cname,
type.module_name,
type.name,
objstruct,
type.typeptr_cname,
code.error_goto(pos)))
code.error_goto_if_null(type.typeptr_cname, pos)))
self.use_type_import_utility_code(env)
if type.vtabptr_cname:
code.putln(
......
......@@ -744,7 +744,7 @@ class CFuncDefNode(FuncDefNode):
typeptr_cname = arg.type.typeptr_cname
arg_code = "((PyObject *)%s)" % arg.cname
code.putln(
'if (!__Pyx_ArgTypeTest(%s, %s, %d, "%s")) %s' % (
'if (unlikely(!__Pyx_ArgTypeTest(%s, %s, %d, "%s"))) %s' % (
arg_code,
typeptr_cname,
not arg.not_none,
......@@ -1029,7 +1029,7 @@ class DefNode(FuncDefNode):
Naming.kwdlist_cname] + arg_addrs
pt_argstring = string.join(pt_arglist, ", ")
code.put(
'if (!PyArg_ParseTupleAndKeywords(%s)) ' %
'if (unlikely(!PyArg_ParseTupleAndKeywords(%s))) ' %
pt_argstring)
error_return_code = "return %s;" % self.error_value()
if has_starargs:
......@@ -1102,11 +1102,11 @@ class DefNode(FuncDefNode):
new_type = arg.type
func = new_type.from_py_function
if func:
code.putln("%s = %s(%s); if (PyErr_Occurred()) %s" % (
code.putln("%s = %s(%s); %s" % (
arg.entry.cname,
func,
arg.hdr_cname,
code.error_goto(arg.pos)))
code.error_goto_if_PyErr(arg.pos)))
else:
error(arg.pos,
"Cannot convert Python object argument to type '%s'"
......@@ -1116,12 +1116,11 @@ class DefNode(FuncDefNode):
old_type = arg.hdr_type
func = old_type.to_py_function
if func:
code.putln("%s = %s(%s); if (!%s) %s" % (
code.putln("%s = %s(%s); %s" % (
arg.entry.cname,
func,
arg.hdr_cname,
arg.entry.cname,
code.error_goto(arg.pos)))
code.error_goto_if_null(arg.entry.cname, arg.pos)))
else:
error(arg.pos,
"Cannot convert argument of type '%s' to Python object"
......@@ -1141,7 +1140,7 @@ class DefNode(FuncDefNode):
typeptr_cname = arg.type.typeptr_cname
arg_code = "((PyObject *)%s)" % arg.entry.cname
code.putln(
'if (!__Pyx_ArgTypeTest(%s, %s, %d, "%s")) %s' % (
'if (unlikely(!__Pyx_ArgTypeTest(%s, %s, %d, "%s"))) %s' % (
arg_code,
typeptr_cname,
not arg.not_none,
......@@ -1623,13 +1622,12 @@ class InPlaceAssignmentNode(AssignmentNode):
self.dup.generate_result_code(code)
if self.lhs.type.is_pyobject:
code.putln(
"%s = %s(%s, %s); if (!%s) %s" % (
"%s = %s(%s, %s); %s" % (
self.result.result_code,
self.py_operation_function(),
self.dup.py_result(),
self.rhs.py_result(),
self.result.py_result(),
code.error_goto(self.pos)))
code.error_goto_if_null(self.result.py_result(), self.pos)))
self.rhs.generate_disposal_code(code)
self.dup.generate_disposal_code(code)
self.lhs.generate_assignment_code(self.result, code)
......@@ -1910,7 +1908,7 @@ class AssertStatNode(StatNode):
if self.value:
self.value.generate_evaluation_code(code)
code.putln(
"if (!%s) {" %
"if (unlikely(!%s)) {" %
self.cond.result_code)
if self.value:
code.putln(
......@@ -2563,22 +2561,20 @@ class FromImportStatNode(StatNode):
if Options.intern_names:
for cname, target in self.interned_items:
code.putln(
'%s = PyObject_GetAttr(%s, %s); if (!%s) %s' % (
'%s = PyObject_GetAttr(%s, %s); %s' % (
self.item.result_code,
self.module.py_result(),
cname,
self.item.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.item.result_code, self.pos)))
target.generate_assignment_code(self.item, code)
else:
for name, target in self.items:
code.putln(
'%s = PyObject_GetAttrString(%s, "%s"); if (!%s) %s' % (
'%s = PyObject_GetAttrString(%s, "%s"); %s' % (
self.item.result_code,
self.module.py_result(),
name,
self.item.result_code,
code.error_goto(self.pos)))
code.error_goto_if_null(self.item.result_code, self.pos)))
target.generate_assignment_code(self.item, code)
self.module.generate_disposal_code(code)
......@@ -2600,7 +2596,20 @@ static inline int __Pyx_PyObject_IsTrue(PyObject* x) {
else return PyObject_IsTrue(x);
}
"""
"""
if Options.gcc_branch_hints:
branch_prediction_macros = \
"""
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
"""
else:
branch_prediction_macros = \
"""
#define likely(x) (x)
#define unlikely(x) (x)
"""
#get_name_predeclaration = \
#"static PyObject *__Pyx_GetName(PyObject *dict, char *name); /*proto*/"
......
......@@ -6,3 +6,4 @@ intern_names = 1 # Intern global variable and attribute names
cache_builtins = 1 # Perform lookups on builtin names only once
embed_pos_in_docstring = 0
gcc_branch_hints = 1
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