d301fb9f2b
With the Return and ReturnReg formats converted to using value lists for storing their arguments, thee are no remaining instruction formats with variable argument lists in boxed storage. The Return and ReturnReg formats are also going to be merged since they are identical now.
59 lines
2.3 KiB
Python
59 lines
2.3 KiB
Python
"""
|
|
The cretonne.formats defines all instruction formats.
|
|
|
|
Every instruction format has a corresponding `InstructionData` variant in the
|
|
Rust representation of cretonne IL, so all instruction formats must be defined
|
|
in this module.
|
|
"""
|
|
from __future__ import absolute_import
|
|
from cdsl.formats import InstructionFormat
|
|
from cdsl.operands import VALUE, VARIABLE_ARGS
|
|
from .immediates import imm64, uimm8, ieee32, ieee64, immvector, intcc, floatcc
|
|
from .entities import ebb, sig_ref, func_ref, jump_table
|
|
|
|
Nullary = InstructionFormat()
|
|
|
|
Unary = InstructionFormat(VALUE)
|
|
UnaryImm = InstructionFormat(imm64)
|
|
UnaryIeee32 = InstructionFormat(ieee32)
|
|
UnaryIeee64 = InstructionFormat(ieee64)
|
|
UnaryImmVector = InstructionFormat(immvector, boxed_storage=True)
|
|
UnarySplit = InstructionFormat(VALUE, multiple_results=True)
|
|
|
|
Binary = InstructionFormat(VALUE, VALUE)
|
|
BinaryImm = InstructionFormat(VALUE, imm64)
|
|
BinaryImmRev = InstructionFormat(imm64, VALUE)
|
|
|
|
# Generate result + overflow flag.
|
|
BinaryOverflow = InstructionFormat(VALUE, VALUE, multiple_results=True)
|
|
|
|
# The select instructions are controlled by the second VALUE operand.
|
|
# The first VALUE operand is the controlling flag which has a derived type.
|
|
# The fma instruction has the same constraint on all inputs.
|
|
Ternary = InstructionFormat(VALUE, VALUE, VALUE, typevar_operand=1)
|
|
|
|
# Carry in *and* carry out for `iadd_carry` and friends.
|
|
TernaryOverflow = InstructionFormat(
|
|
VALUE, VALUE, VALUE, multiple_results=True, boxed_storage=True)
|
|
|
|
InsertLane = InstructionFormat(VALUE, ('lane', uimm8), VALUE)
|
|
ExtractLane = InstructionFormat(VALUE, ('lane', uimm8))
|
|
|
|
IntCompare = InstructionFormat(intcc, VALUE, VALUE)
|
|
FloatCompare = InstructionFormat(floatcc, VALUE, VALUE)
|
|
|
|
Jump = InstructionFormat(ebb, VARIABLE_ARGS, value_list=True)
|
|
Branch = InstructionFormat(VALUE, ebb, VARIABLE_ARGS, value_list=True)
|
|
BranchTable = InstructionFormat(VALUE, jump_table)
|
|
|
|
Call = InstructionFormat(
|
|
func_ref, VARIABLE_ARGS, multiple_results=True, value_list=True)
|
|
IndirectCall = InstructionFormat(
|
|
sig_ref, VALUE, VARIABLE_ARGS,
|
|
multiple_results=True, value_list=True)
|
|
Return = InstructionFormat(VARIABLE_ARGS, value_list=True)
|
|
ReturnReg = InstructionFormat(VALUE, VARIABLE_ARGS, value_list=True)
|
|
|
|
# Finally extract the names of global variables in this module.
|
|
InstructionFormat.extract_names(globals())
|