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

Rewrite as iterator methods

Browse Source 
Copyright (c) 2021, Arm Limited
This commit is contained in:
dheaton-arm
2021-09-09 10:31:23 +01:00
parent 5824cca0f8
commit 924b0368e9
1 changed files with 10 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
cranelift/interpreter/src/step.rs
View File

@@ -826,24 +826,20 @@ where
Opcode::SwidenHigh => unimplemented!("SwidenHigh"),
Opcode::UwidenLow => {
let new_type = ctrl_ty.merge_lanes().unwrap();
let mut new_vec = SimdVec::new();
let mut arg0 = extractlanes(&arg(0)?, ctrl_ty.lane_type())?;
arg0.truncate(new_type.lane_count() as usize);
for lane in arg0 {
let lane = lane.convert(ValueConversionKind::ZeroExtend(new_type.lane_type()))?;
new_vec.push(lane);
}
let new_vec = extractlanes(&arg(0)?, ctrl_ty.lane_type())?
.into_iter()
.take(new_type.lane_count() as usize)
.map(|lane| lane.convert(ValueConversionKind::ZeroExtend(new_type.lane_type())))
.collect::<ValueResult<Vec<_>>>()?;
assign(vectorizelanes(&new_vec, new_type)?)
}
Opcode::UwidenHigh => {
let new_type = ctrl_ty.merge_lanes().unwrap();
let mut new_vec = SimdVec::new();
let mut arg0 = extractlanes(&arg(0)?, ctrl_ty.lane_type())?;
arg0.drain(0..new_type.lane_count() as usize);
for lane in arg0 {
let lane = lane.convert(ValueConversionKind::ZeroExtend(new_type.lane_type()))?;
new_vec.push(lane);
}
let new_vec = extractlanes(&arg(0)?, ctrl_ty.lane_type())?
.into_iter()
.skip(new_type.lane_count() as usize)
.map(|lane| lane.convert(ValueConversionKind::ZeroExtend(new_type.lane_type())))
.collect::<ValueResult<Vec<_>>>()?;
assign(vectorizelanes(&new_vec, new_type)?)
}
Opcode::FcvtToUint => unimplemented!("FcvtToUint"),