T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Port icmp to ISLE (AArch64) (#4898)

Browse Source 
* Port `icmp` to ISLE (AArch64)

Ported the existing implementation of `icmp` (and, by extension, the
`lower_icmp` function) to ISLE for AArch64.

Copyright (c) 2022 Arm Limited

* Allow 'producer chains', eliminating `Nop0`s

Copyright (c) 2022 Arm Limited
This commit is contained in:
Damian Heaton
2022-09-13 16:56:50 +01:00
committed by GitHub
parent c3f8415ac7
commit e9b08b856d
11 changed files with 310 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
cranelift/codegen/src/machinst/isle.rs
View File

@@ -8,8 +8,8 @@ use target_lexicon::Triple;
pub use super::MachLabel;
pub use crate::ir::{
dynamic_to_fixed, ArgumentExtension, Constant, DynamicStackSlot, ExternalName, FuncRef,
GlobalValue, Immediate, SigRef, StackSlot,
condcodes, dynamic_to_fixed, ArgumentExtension, Constant, DynamicStackSlot, ExternalName,
FuncRef, GlobalValue, Immediate, SigRef, StackSlot,
};
pub use crate::isa::unwind::UnwindInst;
pub use crate::machinst::{
@@ -1087,6 +1087,27 @@ macro_rules! isle_prelude_methods {
fn gen_move(&mut self, ty: Type, dst: WritableReg, src: Reg) -> MInst {
MInst::gen_move(dst, src, ty)
}
#[inline]
fn intcc_unsigned(&mut self, x: &IntCC) -> IntCC {
x.unsigned()
}
#[inline]
fn signed_cond_code(&mut self, cc: &condcodes::IntCC) -> Option<condcodes::IntCC> {
match cc {
IntCC::Equal
| IntCC::UnsignedGreaterThanOrEqual
| IntCC::UnsignedGreaterThan
| IntCC::UnsignedLessThanOrEqual
| IntCC::UnsignedLessThan
| IntCC::NotEqual => None,
IntCC::SignedGreaterThanOrEqual
| IntCC::SignedGreaterThan
| IntCC::SignedLessThanOrEqual
| IntCC::SignedLessThan => Some(*cc),
}
}
};
}