fe7ad84129
Each InstructionFormat instance gets data members corresponding to its immediate operands, so the can be referred to as BinaryImm.imm, for example. This will be used to construct instruction predicates.
50 lines
1.8 KiB
Python
50 lines
1.8 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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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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