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Translate Wasm SIMD's avgr_u to Cranelift's new avg_round instruction

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This commit is contained in:
Andrew Brown
2020-01-31 14:40:39 -08:00
parent 032e81fd6f
commit 78bf63c76d
1 changed files with 7 additions and 3 deletions
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10
cranelift/wasm/src/code_translator.rs
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@@ -1304,6 +1304,10 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
let (a, b) = pop2_with_bitcast(state, type_of(op), builder);
state.push1(builder.ins().umax(a, b))
}
Operator::I8x16RoundingAverageU | Operator::I16x8RoundingAverageU => {
let (a, b) = pop2_with_bitcast(state, type_of(op), builder);
state.push1(builder.ins().avg_round(a, b))
}
Operator::I8x16Neg | Operator::I16x8Neg | Operator::I32x4Neg | Operator::I64x2Neg => {
let a = pop1_with_bitcast(state, type_of(op), builder);
state.push1(builder.ins().ineg(a))
@@ -1491,9 +1495,7 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
| Operator::I32x4Load16x4S { .. }
| Operator::I32x4Load16x4U { .. }
| Operator::I64x2Load32x2S { .. }
| Operator::I64x2Load32x2U { .. }
| Operator::I8x16RoundingAverageU { .. }
| Operator::I16x8RoundingAverageU { .. } => {
| Operator::I64x2Load32x2U { .. } => {
return Err(wasm_unsupported!("proposed SIMD operator {:?}", op));
}
};
@@ -1833,6 +1835,7 @@ fn type_of(operator: &Operator) -> Type {
| Operator::I8x16MinU
| Operator::I8x16MaxS
| Operator::I8x16MaxU
| Operator::I8x16RoundingAverageU
| Operator::I8x16Mul => I8X16,
Operator::I16x8Splat
@@ -1866,6 +1869,7 @@ fn type_of(operator: &Operator) -> Type {
| Operator::I16x8MinU
| Operator::I16x8MaxS
| Operator::I16x8MaxU
| Operator::I16x8RoundingAverageU
| Operator::I16x8Mul => I16X8,
Operator::I32x4Splat