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Translate Wasm's widen instructions to Cranelift's [u|s]widen_[low|high]

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This commit is contained in:
Andrew Brown
2020-07-07 16:54:18 -07:00
parent f0b083c6ad
commit 3576d8c5bb
1 changed files with 33 additions and 11 deletions
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44
cranelift/wasm/src/code_translator.rs
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@@ -1582,17 +1582,39 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
let (a, b) = pop2_with_bitcast(state, I32X4, builder);
state.push1(builder.ins().unarrow(a, b))
}
Operator::I16x8WidenLowI8x16S { .. }
| Operator::I16x8WidenHighI8x16S { .. }
| Operator::I16x8WidenLowI8x16U { .. }
| Operator::I16x8WidenHighI8x16U { .. }
| Operator::I32x4WidenLowI16x8S { .. }
| Operator::I32x4WidenHighI16x8S { .. }
| Operator::I32x4WidenLowI16x8U { .. }
| Operator::I32x4WidenHighI16x8U { .. }
| Operator::I8x16Bitmask
| Operator::I16x8Bitmask
| Operator::I32x4Bitmask => {
Operator::I16x8WidenLowI8x16S => {
let a = pop1_with_bitcast(state, I8X16, builder);
state.push1(builder.ins().swiden_low(a))
}
Operator::I16x8WidenHighI8x16S => {
let a = pop1_with_bitcast(state, I8X16, builder);
state.push1(builder.ins().swiden_high(a))
}
Operator::I16x8WidenLowI8x16U => {
let a = pop1_with_bitcast(state, I8X16, builder);
state.push1(builder.ins().uwiden_low(a))
}
Operator::I16x8WidenHighI8x16U => {
let a = pop1_with_bitcast(state, I8X16, builder);
state.push1(builder.ins().uwiden_high(a))
}
Operator::I32x4WidenLowI16x8S => {
let a = pop1_with_bitcast(state, I16X8, builder);
state.push1(builder.ins().swiden_low(a))
}
Operator::I32x4WidenHighI16x8S => {
let a = pop1_with_bitcast(state, I16X8, builder);
state.push1(builder.ins().swiden_high(a))
}
Operator::I32x4WidenLowI16x8U => {
let a = pop1_with_bitcast(state, I16X8, builder);
state.push1(builder.ins().uwiden_low(a))
}
Operator::I32x4WidenHighI16x8U => {
let a = pop1_with_bitcast(state, I16X8, builder);
state.push1(builder.ins().uwiden_high(a))
}
Operator::I8x16Bitmask | Operator::I16x8Bitmask | Operator::I32x4Bitmask => {
return Err(wasm_unsupported!("proposed SIMD operator {:?}", op));
}