54 lines
2.0 KiB
Python
54 lines
2.0 KiB
Python
"""
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The cretonne.formats defines all instruction formats.
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Every instruction format has a corresponding `InstructionData` variant in the
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Rust representation of cretonne IL, so all instruction formats must be defined
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in this module.
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"""
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from __future__ import absolute_import
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from . import InstructionFormat, value, variable_args
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from .immediates import imm64, uimm8, ieee32, ieee64, immvector, intcc, floatcc
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from .entities import ebb, function, jump_table
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Nullary = InstructionFormat()
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Unary = InstructionFormat(value)
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UnaryImm = InstructionFormat(imm64)
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UnaryIeee32 = InstructionFormat(ieee32)
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UnaryIeee64 = InstructionFormat(ieee64)
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UnaryImmVector = InstructionFormat(immvector)
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Binary = InstructionFormat(value, value)
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BinaryImm = InstructionFormat(value, imm64)
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BinaryImmRev = InstructionFormat(imm64, value)
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# Generate result + overflow flag.
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BinaryOverflow = InstructionFormat(value, value, multiple_results=True)
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# The select instructions are controlled by the second value operand.
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# The first value operand is the controlling flag which has a derived type.
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# The fma instruction has the same constraint on all inputs.
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Ternary = InstructionFormat(value, value, value, typevar_operand=1)
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# Carry in *and* carry out for `iadd_carry` and friends.
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TernaryOverflow = InstructionFormat(
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value, value, value, multiple_results=True, boxed_storage=True)
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InsertLane = InstructionFormat(value, ('lane', uimm8), value)
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ExtractLane = InstructionFormat(value, ('lane', uimm8))
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IntCompare = InstructionFormat(intcc, value, value)
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FloatCompare = InstructionFormat(floatcc, value, value)
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Jump = InstructionFormat(ebb, variable_args, boxed_storage=True)
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Branch = InstructionFormat(value, ebb, variable_args, boxed_storage=True)
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BranchTable = InstructionFormat(value, jump_table)
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Call = InstructionFormat(
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function, variable_args, multiple_results=True, boxed_storage=True)
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Return = InstructionFormat(variable_args, boxed_storage=True)
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# Finally extract the names of global variables in this module.
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InstructionFormat.extract_names(globals())
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