Files
wasmtime/lib/codegen/meta/isa/riscv/settings.py
Dan Gohman 24fa169e1f Rename the 'cretonne' crate to 'cretonne-codegen'.
This fixes the next part of #287.
2018-04-17 09:46:56 -07:00

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Python

"""
RISC-V settings.
"""
from __future__ import absolute_import
from cdsl.settings import SettingGroup, BoolSetting
from cdsl.predicates import And
import base.settings as shared
from .defs import ISA
ISA.settings = SettingGroup('riscv', parent=shared.group)
supports_m = BoolSetting("CPU supports the 'M' extension (mul/div)")
supports_a = BoolSetting("CPU supports the 'A' extension (atomics)")
supports_f = BoolSetting("CPU supports the 'F' extension (float)")
supports_d = BoolSetting("CPU supports the 'D' extension (double)")
enable_m = BoolSetting(
"Enable the use of 'M' instructions if available",
default=True)
enable_e = BoolSetting(
"Enable the 'RV32E' instruction set with only 16 registers")
use_m = And(supports_m, enable_m)
use_a = And(supports_a, shared.enable_atomics)
use_f = And(supports_f, shared.enable_float)
use_d = And(supports_d, shared.enable_float)
full_float = And(shared.enable_simd, supports_f, supports_d)
ISA.settings.close(globals())