52ba72f341
* cranelift: Add `iabs.i128` runtest * riscv64: Fix incorrect extension in iabs When lowering iabs, we were accidentally comparing the unextended value this caused the instruction to misbehave with certain top bits. This commit also adds a zbb lowering that does not use jumps.
29 lines
1.3 KiB
Rust
29 lines
1.3 KiB
Rust
use crate::cdsl::isa::TargetIsa;
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use crate::cdsl::settings::{SettingGroup, SettingGroupBuilder};
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use crate::shared::Definitions as SharedDefinitions;
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fn define_settings(_shared: &SettingGroup) -> SettingGroup {
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let mut setting = SettingGroupBuilder::new("riscv64");
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let _has_m = setting.add_bool("has_m", "has extension M?", "", false);
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let _has_a = setting.add_bool("has_a", "has extension A?", "", false);
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let _has_f = setting.add_bool("has_f", "has extension F?", "", false);
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let _has_d = setting.add_bool("has_d", "has extension D?", "", false);
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let _has_v = setting.add_bool("has_v", "has extension V?", "", false);
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let _has_b = setting.add_bool("has_b", "has extension B?", "", false);
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let _has_c = setting.add_bool("has_c", "has extension C?", "", false);
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let _has_zbkb = setting.add_bool("has_zbkb", "has extension zbkb?", "", false);
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let _has_zbb = setting.add_bool("has_zbb", "has extension zbb?", "", false);
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let _has_zicsr = setting.add_bool("has_zicsr", "has extension zicsr?", "", false);
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let _has_zifencei = setting.add_bool("has_zifencei", "has extension zifencei?", "", false);
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setting.build()
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}
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pub(crate) fn define(shared_defs: &mut SharedDefinitions) -> TargetIsa {
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let settings = define_settings(&shared_defs.settings);
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TargetIsa::new("riscv64", settings)
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}
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