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Remove registers from cranelift-codegen-meta

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This commit is contained in:
bjorn3
2021-06-21 12:57:37 +02:00
parent 18bd27e90b
commit 3e4167ba95
9 changed files with 6 additions and 573 deletions
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41
cranelift/codegen/meta/src/isa/arm32/mod.rs
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@@ -1,5 +1,4 @@
use crate::cdsl::isa::TargetIsa;
use crate::cdsl::regs::{IsaRegs, IsaRegsBuilder, RegBankBuilder, RegClassBuilder};
use crate::cdsl::settings::{SettingGroup, SettingGroupBuilder};
use crate::shared::Definitions as SharedDefinitions;
@@ -9,46 +8,8 @@ fn define_settings(_shared: &SettingGroup) -> SettingGroup {
setting.build()
}
fn define_regs() -> IsaRegs {
let mut regs = IsaRegsBuilder::new();
let builder = RegBankBuilder::new("FloatRegs", "s")
.units(64)
.track_pressure(true);
let float_regs = regs.add_bank(builder);
let builder = RegBankBuilder::new("IntRegs", "r")
.units(16)
.track_pressure(true);
let int_regs = regs.add_bank(builder);
let builder = RegBankBuilder::new("FlagRegs", "")
.units(1)
.names(vec!["nzcv"])
.track_pressure(false);
let flag_reg = regs.add_bank(builder);
let builder = RegClassBuilder::new_toplevel("S", float_regs).count(32);
regs.add_class(builder);
let builder = RegClassBuilder::new_toplevel("D", float_regs).width(2);
regs.add_class(builder);
let builder = RegClassBuilder::new_toplevel("Q", float_regs).width(4);
regs.add_class(builder);
let builder = RegClassBuilder::new_toplevel("GPR", int_regs);
regs.add_class(builder);
let builder = RegClassBuilder::new_toplevel("FLAG", flag_reg);
regs.add_class(builder);
regs.build()
}
pub(crate) fn define(shared_defs: &mut SharedDefinitions) -> TargetIsa {
let settings = define_settings(&shared_defs.settings);
let regs = define_regs();
TargetIsa::new("arm32", settings, regs)
TargetIsa::new("arm32", settings)
}

37
cranelift/codegen/meta/src/isa/arm64/mod.rs
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@@ -1,5 +1,4 @@
use crate::cdsl::isa::TargetIsa;
use crate::cdsl::regs::{IsaRegs, IsaRegsBuilder, RegBankBuilder, RegClassBuilder};
use crate::cdsl::settings::{SettingGroup, SettingGroupBuilder};
use crate::shared::Definitions as SharedDefinitions;
@@ -12,42 +11,8 @@ fn define_settings(_shared: &SettingGroup) -> SettingGroup {
setting.build()
}
fn define_registers() -> IsaRegs {
let mut regs = IsaRegsBuilder::new();
// The `x31` regunit serves as the stack pointer / zero register depending on context. We
// reserve it and don't model the difference.
let builder = RegBankBuilder::new("IntRegs", "x")
.units(32)
.track_pressure(true);
let int_regs = regs.add_bank(builder);
let builder = RegBankBuilder::new("FloatRegs", "v")
.units(32)
.track_pressure(true);
let float_regs = regs.add_bank(builder);
let builder = RegBankBuilder::new("FlagRegs", "")
.units(1)
.names(vec!["nzcv"])
.track_pressure(false);
let flag_reg = regs.add_bank(builder);
let builder = RegClassBuilder::new_toplevel("GPR", int_regs);
regs.add_class(builder);
let builder = RegClassBuilder::new_toplevel("FPR", float_regs);
regs.add_class(builder);
let builder = RegClassBuilder::new_toplevel("FLAG", flag_reg);
regs.add_class(builder);
regs.build()
}
pub(crate) fn define(shared_defs: &mut SharedDefinitions) -> TargetIsa {
let settings = define_settings(&shared_defs.settings);
let regs = define_registers();
TargetIsa::new("arm64", settings, regs)
TargetIsa::new("arm64", settings)
}

4
cranelift/codegen/meta/src/isa/s390x/mod.rs
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@@ -1,5 +1,4 @@
use crate::cdsl::isa::TargetIsa;
use crate::cdsl::regs::IsaRegsBuilder;
use crate::cdsl::settings::{SettingGroup, SettingGroupBuilder};
use crate::shared::Definitions as SharedDefinitions;
@@ -43,7 +42,6 @@ fn define_settings(_shared: &SettingGroup) -> SettingGroup {
pub(crate) fn define(shared_defs: &mut SharedDefinitions) -> TargetIsa {
let settings = define_settings(&shared_defs.settings);
let regs = IsaRegsBuilder::new().build();
TargetIsa::new("s390x", settings, regs)
TargetIsa::new("s390x", settings)
}

3
cranelift/codegen/meta/src/isa/x86/mod.rs
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@@ -1,5 +1,4 @@
use crate::cdsl::isa::TargetIsa;
use crate::cdsl::regs::IsaRegsBuilder;
use crate::shared::Definitions as SharedDefinitions;
@@ -8,5 +7,5 @@ pub(crate) mod settings;
pub(crate) fn define(shared_defs: &mut SharedDefinitions) -> TargetIsa {
let settings = settings::define(&shared_defs.settings);
TargetIsa::new("x86", settings, IsaRegsBuilder::new().build())
TargetIsa::new("x86", settings)
}