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

Port vconst to ISLE (AArch64) (#4750)

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

Ported the existing implementation of `vconst` to ISLE for AArch64, and
added support for 64-bit vector constants.

Also introduced 64-bit `vconst` support to the interpreter.

Copyright (c) 2022 Arm Limited

* Replace if-chains with match statements

Copyright (c) 2022 Arm Limited
This commit is contained in:
Damian Heaton
2022-08-23 17:40:11 +01:00
committed by GitHub
parent 418dbc15bd
commit da1fb305a3
10 changed files with 97 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
cranelift/interpreter/src/step.rs
View File

@@ -75,7 +75,11 @@ where
.constants
.get(constant_handle.clone())
.as_slice();
DataValue::V128(buffer.try_into().expect("a 16-byte data buffer"))
match ctrl_ty.bytes() {
16 => DataValue::V128(buffer.try_into().expect("a 16-byte data buffer")),
8 => DataValue::V64(buffer.try_into().expect("an 8-byte data buffer")),
length => panic!("unexpected UnaryConst buffer length {}", length),
}
}
InstructionData::Shuffle { imm, .. } => {
let mask = state
@@ -85,7 +89,11 @@ where
.get(imm)
.unwrap()
.as_slice();
DataValue::V128(mask.try_into().expect("a 16-byte vector mask"))
match ctrl_ty.bytes() {
16 => DataValue::V128(mask.try_into().expect("a 16-byte vector mask")),
8 => DataValue::V64(mask.try_into().expect("an 8-byte vector mask")),
length => panic!("unexpected Shuffle mask length {}", length),
}
}
_ => inst.imm_value().unwrap(),
})