e7f30a40b4
The 'lib/cretonne' directory will be the new root of a stand-alone cretonne crate containg both Python and Rust sources. This is in preparation for publishing crates on crates.io.
29 lines
908 B
Python
29 lines
908 B
Python
"""
|
|
RISC-V settings.
|
|
"""
|
|
from __future__ import absolute_import
|
|
from cretonne import SettingGroup, BoolSetting
|
|
from cretonne.predicates import And
|
|
import cretonne.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)
|
|
|
|
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())
|