520a438c42
It is possible to return multiple values from a function, so ReturnData contains a VariableArgs instance. We don't want return instructions to appear as 'return (v1)', so tweak the printing of VariableArgs so the parantheses are added externally.
51 lines
1.8 KiB
Python
51 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 . 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, uimm8, value)
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ExtractLane = InstructionFormat(value, 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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