13d33d5a7a
Predcates are boolean functions. There will be ISA predicates and instruction predicates. The ISA predicates will be turned into member functions on the generated Flags structs.
20 lines
591 B
Python
20 lines
591 B
Python
"""
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RISC-V settings.
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"""
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from cretonne import SettingGroup, BoolSetting
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from cretonne.predicates import And
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import cretonne.settings as shared
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from defs import isa
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isa.settings = SettingGroup('riscv', parent=shared.group)
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supports_m = BoolSetting("CPU supports the 'M' extension (mul/div)")
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supports_a = BoolSetting("CPU supports the 'A' extension (atomics)")
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supports_f = BoolSetting("CPU supports the 'F' extension (float)")
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supports_d = BoolSetting("CPU supports the 'D' extension (double)")
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full_float = And(shared.enable_simd, supports_f, supports_d)
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isa.settings.close(globals())
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