("count", "number of objects to allocate" ),
]
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("X_regular", "control flow when no exception occurs", "pn_Generic_X_regular"),
- ("X_except", "control flow when exception occured", "pn_Generic_X_except"),
- ("res", "pointer to newly allocated memory", "pn_Generic_other"),
+ ("M", "memory result"),
+ ("res", "pointer to newly allocated memory"),
+ ("X_regular", "control flow when no exception occurs"),
+ ("X_except", "control flow when exception occured"),
]
attrs = [
dict(
)
]
flags = [ "fragile", "uses_memory" ]
- pinned = "yes"
+ pinned = "exception"
+ throws_init = "false"
+ pinned_init = "op_pin_state_pinned"
attr_struct = "alloc_attr"
class Anchor(Op):
),
dict(
name = "n_output_constraints",
- type = "int",
+ type = "size_t",
noprop = True,
comment = "number of output constraints",
),
),
dict(
name = "n_clobbers",
- type = "int",
+ type = "size_t",
noprop = True,
comment = "number of clobbered registers/memory",
),
they are set to Bad, and the actual removal is left to the control flow
optimisation phase. Block, Phi, Tuple with only Bad inputs however are
replaced by Bad right away."""
- mode = "mode_T"
- flags = [ "cfopcode", "start_block", "dump_noblock" ]
+ flags = [ "start_block", "dump_noblock" ]
pinned = "yes"
knownBlock = True
block = "get_irg_start_block(irg)"
- singleton = True
attr_struct = "bad_attr"
init = '''
res->attr.bad.irg.irg = irg;
flags = [ ]
pinned = "yes"
noconstructor = True
- customSerializer = True
+ customSerializer = True # this has no serializer
class Block(Op):
"""A basic block"""
arity = "variable"
flags = [ "labeled" ]
attr_struct = "block_attr"
+ attrs = [
+ dict(
+ name = "entity",
+ type = "ir_entity*",
+ comment = "entity representing this block",
+ init = "NULL",
+ ),
+ ]
customSerializer = True
init = '''
("upper", "upper bound (exclusive)"),
]
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("X_regular", "control flow when no exception occurs", "pn_Generic_X_regular"),
- ("X_except", "control flow when exception occured", "pn_Generic_X_except"),
- ("res", "the checked index", "pn_Generic_other"),
+ ("M", "memory result"),
+ ("res", "the checked index"),
+ ("X_regular", "control flow when no exception occurs"),
+ ("X_except", "control flow when exception occured"),
]
flags = [ "fragile", "highlevel" ]
pinned = "exception"
pinned_init = "op_pin_state_pinned"
+ throws_init = "false"
attr_struct = "bound_attr"
- attrs_name = "bound"
class Builtin(Op):
"""performs a backend-specific builtin."""
]
arity = "variable"
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("1_result", "first result", "pn_Generic_other"),
+ ("M", "memory result"),
+ # results follow here
]
flags = [ "uses_memory" ]
attrs = [
]
arity = "variable"
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("X_regular", "control flow when no exception occurs", "pn_Generic_X_regular"),
- ("X_except", "control flow when exception occured", "pn_Generic_X_except"),
- ("T_result", "tuple containing all results", "pn_Generic_other"),
- ("P_value_res_base", "pointer to memory register containing copied results passed by value"),
+ ("M", "memory result"),
+ ("T_result", "tuple containing all results"),
+ ("X_regular", "control flow when no exception occurs"),
+ ("X_except", "control flow when exception occured"),
]
flags = [ "fragile", "uses_memory" ]
attrs = [
name = "type",
comment = "type of the call (usually type of the called procedure)",
),
- dict(
- type = "unsigned",
- name = "tail_call",
- # the tail call attribute can only be set by analysis
- init = "0",
- )
]
attr_struct = "call_attr"
pinned = "memory"
pinned_init = "op_pin_state_pinned"
+ throws_init = "false"
init = '''
assert((get_unknown_type() == type) || is_Method_type(type));
'''
init = "assert(is_atomic_type(type));"
class Cmp(Binop):
- """Returns the relation of 2 operands"""
- outs = [
- ("False", "always false", "0"),
- ("Eq", "equal", "1"),
- ("Lt", "less", "2"),
- ("Le", "less or equal", "pn_Cmp_Eq|pn_Cmp_Lt"),
- ("Gt", "greater", "4"),
- ("Ge", "greater or equal", "pn_Cmp_Eq|pn_Cmp_Gt"),
- ("Lg", "less or greater ('not equal' for integer numbers)", "pn_Cmp_Lt|pn_Cmp_Gt"),
- ("Leg", "less, equal or greater ('not unordered')", "pn_Cmp_Lt|pn_Cmp_Eq|pn_Cmp_Gt"),
- ("Uo", "unordered", "8"),
- ("Ue", "unordered or equal", "pn_Cmp_Uo|pn_Cmp_Eq"),
- ("Ul", "unordered or less", "pn_Cmp_Uo|pn_Cmp_Lt"),
- ("Ule", "unordered, less or equal", "pn_Cmp_Uo|pn_Cmp_Lt|pn_Cmp_Eq"),
- ("Ug", "unordered or greater", "pn_Cmp_Uo|pn_Cmp_Gt"),
- ("Uge", "onordered, greater or equal", "pn_Cmp_Uo|pn_Cmp_Gt|pn_Cmp_Eq"),
- ("Ne", "unordered, less or greater ('not equal' for floatingpoint numbers)", "pn_Cmp_Uo|pn_Cmp_Lt|pn_Cmp_Gt"),
- ("True", "always true", "15"),
- ]
+ """Compares its two operands and checks whether a specified
+ relation (like less or equal) is fulfilled."""
flags = []
+ mode = "mode_b"
+ attrs = [
+ dict(
+ type = "ir_relation",
+ name = "relation",
+ comment = "Comparison relation"
+ )
+ ]
+ attr_struct = "cmp_attr"
class Cond(Op):
- """Conditionally change control flow. There are two versions of this node:
-
- Boolean Cond:
- Input: A value of mode_b
- Output: A tuple of two control flows. The first is taken if the input is
- false, the second if it is true.
-
- Switch Cond:
- Input: A value of mode_Iu
- Output: A tuple of n control flows. If the Cond's input is i, control flow
- will proceed along output i. If the input is >= n control flow proceeds
- along output def_proj.
- """
+ """Conditionally change control flow."""
ins = [
("selector", "condition parameter"),
]
flags = [ "cfopcode", "forking" ]
pinned = "yes"
attrs = [
- dict(
- name = "default_proj",
- type = "long",
- init = "0",
- comment = "Proj-number of default case for switch-Cond",
- ),
dict(
name = "jmp_pred",
type = "cond_jmp_predicate",
init = "COND_JMP_PRED_NONE",
comment = "can indicate the most likely jump",
- )
+ ),
]
attr_struct = "cond_attr"
+class Switch(Op):
+ """Change control flow. The destination is choosen based on an integer input value which is looked up in a table.
+
+ Backends can implement this efficiently using a jump table."""
+ ins = [
+ ("selector", "input selector"),
+ ]
+ outs = [
+ ("default", "control flow if no other case matches"),
+ ]
+ flags = [ "cfopcode", "forking" ]
+ pinned = "yes"
+ attrs = [
+ dict(
+ name = "n_outs",
+ type = "unsigned",
+ comment = "number of outputs (including pn_Switch_default)",
+ ),
+ dict(
+ name = "table",
+ type = "ir_switch_table*",
+ comment = "table describing mapping from input values to Proj numbers",
+ ),
+ ]
+ attr_struct = "switch_attr"
+ attrs_name = "switcha"
+
class Confirm(Op):
"""Specifies constraints for a value. This allows explicit representation
of path-sensitive properties. (Example: This value is always >= 0 on 1
pinned = "yes"
attrs = [
dict(
- name = "cmp",
- type = "pn_Cmp",
- comment = "compare operation",
+ name = "relation",
+ type = "ir_relation",
+ comment = "relation of value to bound",
),
]
attr_struct = "confirm_attr"
- attrs_name = "confirm"
class Const(Op):
"""Returns a constant value."""
)
]
attr_struct = "conv_attr"
- attrs_name = "conv"
class CopyB(Op):
"""Copies a block of memory"""
("src", "source address"),
]
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("X_regular", "control flow when no exception occurs", "pn_Generic_X_regular"),
- ("X_except", "control flow when exception occured", "pn_Generic_X_except"),
+ ("M", "memory result"),
+ ("X_regular", "control flow when no exception occurs"),
+ ("X_except", "control flow when exception occured"),
]
flags = [ "fragile", "uses_memory" ]
attrs = [
)
]
attr_struct = "copyb_attr"
- attrs_name = "copyb"
pinned = "memory"
pinned_init = "op_pin_state_pinned"
+ throws_init = "false"
class Div(Op):
"""returns the quotient of its 2 operands"""
("right", "second operand"),
]
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("X_regular", "control flow when no exception occurs", "pn_Generic_X_regular"),
- ("X_except", "control flow when exception occured", "pn_Generic_X_except"),
- ("res", "result of computation", "pn_Generic_other"),
+ ("M", "memory result"),
+ ("res", "result of computation"),
+ ("X_regular", "control flow when no exception occurs"),
+ ("X_except", "control flow when exception occured"),
]
flags = [ "fragile", "uses_memory" ]
- attrs_name = "divmod"
attrs = [
dict(
type = "ir_mode*",
init = "0",
)
]
- attr_struct = "divmod_attr"
+ attr_struct = "div_attr"
pinned = "exception"
+ throws_init = "false"
op_index = 1
arity_override = "oparity_binary"
knownBlock = True
block = "get_irg_end_block(irg)"
singleton = True
- customSerializer = True
class Eor(Binop):
"""returns the result of a bitwise exclusive or operation of its operands"""
ins = [
("mem", "memory dependency" ),
("ptr", "pointer to the object to free"),
- ("size", "number of objects to allocate" ),
+ ("count", "number of objects to allocate" ),
]
mode = "mode_M"
flags = [ "uses_memory" ]
ins = [
("target", "target address of the jump"),
]
- flags = [ "cfopcode", "forking", "keep" ]
+ flags = [ "cfopcode", "forking", "keep", "unknown_jump" ]
class InstOf(Op):
- """Tests wether an object is an instance of a class-type"""
+ """Tests whether an object is an instance of a class-type"""
ins = [
("store", "memory dependency"),
("obj", "pointer to object being queried")
]
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("X_regular", "control flow when no exception occurs", "pn_Generic_X_regular"),
- ("X_except", "control flow when exception occured", "pn_Generic_X_except"),
- ("res", "checked object pointer", "pn_Generic_other"),
+ ("M", "memory result"),
+ ("res", "checked object pointer"),
+ ("X_regular", "control flow when no exception occurs"),
+ ("X_except", "control flow when exception occured"),
]
flags = [ "highlevel" ]
attrs = [
("ptr", "address to load from"),
]
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("X_regular", "control flow when no exception occurs", "pn_Generic_X_regular"),
- ("X_except", "control flow when exception occured", "pn_Generic_X_except"),
- ("res", "result of load operation", "pn_Generic_other"),
+ ("M", "memory result"),
+ ("res", "result of load operation"),
+ ("X_regular", "control flow when no exception occurs"),
+ ("X_except", "control flow when exception occured"),
]
flags = [ "fragile", "uses_memory" ]
pinned = "exception"
dict(
type = "ir_mode*",
name = "mode",
- java_name = "load_mode",
comment = "mode of the value to be loaded",
),
+ dict(
+ type = "ir_volatility",
+ name = "volatility",
+ comment = "volatile loads are a visible side-effect and may not be optimized",
+ init = "flags & cons_volatile ? volatility_is_volatile : volatility_non_volatile",
+ to_flags = "%s == volatility_is_volatile ? cons_volatile : 0"
+ ),
+ dict(
+ type = "ir_align",
+ name = "unaligned",
+ comment = "pointers to unaligned loads don't need to respect the load-mode/type alignments",
+ init = "flags & cons_unaligned ? align_non_aligned : align_is_aligned",
+ to_flags = "%s == align_non_aligned ? cons_unaligned : 0"
+ ),
]
attr_struct = "load_attr"
constructor_args = [
),
]
pinned_init = "flags & cons_floats ? op_pin_state_floats : op_pin_state_pinned"
- init = '''
- res->attr.load.volatility = flags & cons_volatile ? volatility_is_volatile : volatility_non_volatile;
- res->attr.load.aligned = flags & cons_unaligned ? align_non_aligned : align_is_aligned;
- '''
+ throws_init = "(flags & cons_throws_exception) != 0"
class Minus(Unop):
"""returns the difference between its operands"""
"""returns the remainder of its operands from an implied division.
Examples:
+
* mod(5,3) produces 2
* mod(5,-3) produces 2
* mod(-5,3) produces -2
("right", "second operand"),
]
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("X_regular", "control flow when no exception occurs", "pn_Generic_X_regular"),
- ("X_except", "control flow when exception occured", "pn_Generic_X_except"),
- ("res", "result of computation", "pn_Generic_other"),
+ ("M", "memory result"),
+ ("res", "result of computation"),
+ ("X_regular", "control flow when no exception occurs"),
+ ("X_except", "control flow when exception occured"),
]
flags = [ "fragile", "uses_memory" ]
- attrs_name = "divmod"
attrs = [
dict(
type = "ir_mode*",
comment = "mode of the result",
),
]
- attr_struct = "divmod_attr"
+ attr_struct = "mod_attr"
pinned = "exception"
+ throws_init = "false"
op_index = 1
arity_override = "oparity_binary"
As we can't distinguish these easily we keep all of them alive. */
if (is_Phi(res) && mode == mode_M)
add_End_keepalive(get_irg_end(irg), res);'''
+ customSerializer = True
class Pin(Op):
"""Pin the value of the node node in the current block. No users of the Pin
knownGraph = True
block = "get_nodes_block(irn_pred)"
graph = "get_irn_irg(irn_pred)"
- customSerializer = True
attrs = [
dict(
type = "long",
("exo_ptr", "pointer to exception object to be thrown"),
]
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("X", "control flow to exception handler", "pn_Generic_X_regular"),
+ ("M", "memory result"),
+ ("X", "control flow to exception handler"),
]
flags = [ "highlevel", "cfopcode" ]
pinned = "yes"
class Sel(Op):
"""Computes the address of a entity of a compound type given the base
- address of an instance of the compound type."""
+ address of an instance of the compound type.
+
+ Optimisations assume that a Sel node can only produce a NULL pointer if the
+ ptr input was NULL."""
ins = [
("mem", "memory dependency"),
("ptr", "pointer to object to select from"),
("X_initial_exec", "control flow"),
("M", "initial memory"),
("P_frame_base", "frame base pointer"),
- ("P_tls", "pointer to thread local storage segment"),
("T_args", "function arguments")
]
mode = "mode_T"
flags = [ "cfopcode" ]
singleton = True
knownBlock = True
- customSerializer = True
block = "get_irg_start_block(irg)"
class Store(Op):
("value", "value to store"),
]
outs = [
- ("M", "memory result", "pn_Generic_M"),
- ("X_regular", "control flow when no exception occurs", "pn_Generic_X_regular"),
- ("X_except", "control flow when exception occured", "pn_Generic_X_except"),
+ ("M", "memory result"),
+ ("X_regular", "control flow when no exception occurs"),
+ ("X_except", "control flow when exception occured"),
]
flags = [ "fragile", "uses_memory" ]
pinned = "exception"
attr_struct = "store_attr"
pinned_init = "flags & cons_floats ? op_pin_state_floats : op_pin_state_pinned"
+ throws_init = "(flags & cons_throws_exception) != 0"
+ attrs = [
+ dict(
+ type = "ir_volatility",
+ name = "volatility",
+ comment = "volatile stores are a visible side-effect and may not be optimized",
+ init = "flags & cons_volatile ? volatility_is_volatile : volatility_non_volatile",
+ to_flags = "%s == volatility_is_volatile ? cons_volatile : 0"
+ ),
+ dict(
+ type = "ir_align",
+ name = "unaligned",
+ comment = "pointers to unaligned stores don't need to respect the load-mode/type alignments",
+ init = "flags & cons_unaligned ? align_non_aligned : align_is_aligned",
+ to_flags = "%s == align_non_aligned ? cons_unaligned : 0"
+ ),
+ ]
constructor_args = [
dict(
type = "ir_cons_flags",
comment = "specifies alignment, volatility and pin state",
),
]
- init = '''
- res->attr.store.volatility = flags & cons_volatile ? volatility_is_volatile : volatility_non_volatile;
- res->attr.store.aligned = flags & cons_unaligned ? align_non_aligned : align_is_aligned;
- '''
class Sub(Binop):
"""returns the difference of its operands"""
class SymConst(Op):
"""A symbolic constant.
- - symconst_type_tag The symbolic constant represents a type tag. The
- type the tag stands for is given explicitly.
- - symconst_type_size The symbolic constant represents the size of a type.
- The type of which the constant represents the size
- is given explicitly.
- - symconst_type_align The symbolic constant represents the alignment of a
- type. The type of which the constant represents the
- size is given explicitly.
- - symconst_addr_ent The symbolic constant represents the address of an
- entity (variable or method). The variable is given
- explicitly by a firm entity.
- - symconst_ofs_ent The symbolic constant represents the offset of an
- entity in its owner type.
- - symconst_enum_const The symbolic constant is a enumeration constant of
- an enumeration type."""
+ - *symconst_type_size* The symbolic constant represents the size of a type.
+ The type of which the constant represents the size
+ is given explicitly.
+ - *symconst_type_align* The symbolic constant represents the alignment of a
+ type. The type of which the constant represents the
+ size is given explicitly.
+ - *symconst_addr_ent* The symbolic constant represents the address of an
+ entity (variable or method). The variable is given
+ explicitly by a firm entity.
+ - *symconst_ofs_ent* The symbolic constant represents the offset of an
+ entity in its owner type.
+ - *symconst_enum_const* The symbolic constant is a enumeration constant of
+ an enumeration type."""
mode = "mode_P"
flags = [ "constlike", "start_block" ]
knownBlock = True
following Proj nodes have not to be changed. (They are hard to find due to
the implementation with pointers in only one direction.) The Tuple node is
smaller than any other node, so that a node can be changed into a Tuple by
- just changing it's opcode and giving it a new in array."""
+ just changing its opcode and giving it a new in array."""
arity = "variable"
mode = "mode_T"
pinned = "no"
knownBlock = True
pinned = "yes"
block = "get_irg_start_block(irg)"
- flags = [ "cfopcode", "start_block", "constlike", "dump_noblock" ]
+ flags = [ "start_block", "constlike", "dump_noblock" ]
# Prepare node list
projects / libfirm / blobdiff