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wasm_interp: last few instructions!

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Brian Carroll 2022-11-29 08:59:37 +00:00
parent 17810d5134
commit d29ea7fedf
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3 changed files with 91 additions and 7 deletions
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50
crates/wasm_interp/src/instance.rs
View file

@ -1107,9 +1107,28 @@ impl<'a> Instance<'a> {
let arg1 = self.value_stack.pop_f32();
self.value_stack.push(Value::F32(arg1 / arg2));
}
F32MIN => todo!("{:?} @ {:#x}", op_code, file_offset),
F32MAX => todo!("{:?} @ {:#x}", op_code, file_offset),
F32COPYSIGN => todo!("{:?} @ {:#x}", op_code, file_offset),
F32MIN => {
let arg2 = self.value_stack.pop_f32();
let arg1 = self.value_stack.pop_f32();
let result = if arg1 < arg2 { arg1 } else { arg2 };
self.value_stack.push(Value::F32(result));
}
F32MAX => {
let arg2 = self.value_stack.pop_f32();
let arg1 = self.value_stack.pop_f32();
let result = if arg1 > arg2 { arg1 } else { arg2 };
self.value_stack.push(Value::F32(result));
}
F32COPYSIGN => {
let arg2 = self.value_stack.pop_f32();
let arg1 = self.value_stack.pop_f32();
let result = if arg1.is_sign_negative() == arg2.is_sign_negative() {
arg1
} else {
arg2
};
self.value_stack.push(Value::F32(result));
}
F64ABS => {
let arg = self.value_stack.pop_f64();
@ -1175,9 +1194,28 @@ impl<'a> Instance<'a> {
let arg1 = self.value_stack.pop_f64();
self.value_stack.push(Value::F64(arg1 / arg2));
}
F64MIN => todo!("{:?} @ {:#x}", op_code, file_offset),
F64MAX => todo!("{:?} @ {:#x}", op_code, file_offset),
F64COPYSIGN => todo!("{:?} @ {:#x}", op_code, file_offset),
F64MIN => {
let arg2 = self.value_stack.pop_f64();
let arg1 = self.value_stack.pop_f64();
let result = if arg1 < arg2 { arg1 } else { arg2 };
self.value_stack.push(Value::F64(result));
}
F64MAX => {
let arg2 = self.value_stack.pop_f64();
let arg1 = self.value_stack.pop_f64();
let result = if arg1 > arg2 { arg1 } else { arg2 };
self.value_stack.push(Value::F64(result));
}
F64COPYSIGN => {
let arg2 = self.value_stack.pop_f64();
let arg1 = self.value_stack.pop_f64();
let result = if arg1.is_sign_negative() == arg2.is_sign_negative() {
arg1
} else {
arg2
};
self.value_stack.push(Value::F64(result));
}
I32WRAPI64 => {
let arg = self.value_stack.pop_u64();

23
crates/wasm_interp/tests/test_f32.rs
View file

@ -160,3 +160,26 @@ fn test_f32div() {
test_f32_binop(op, -1.0, 0.0, f32::NEG_INFINITY);
// test_f32_binop(op, 0.0, 0.0, f32::NAN); // can't check NaN for equality! LOL
}
#[test]
fn test_f32min() {
let op = F32MIN;
test_f32_binop(op, 1.1, 2.2, 1.1);
test_f32_binop(op, -1.1, -2.2, -2.2);
}
#[test]
fn test_f32max() {
let op = F32MAX;
test_f32_binop(op, 1.1, 2.2, 2.2);
test_f32_binop(op, -1.1, -2.2, -1.1);
}
#[test]
fn test_f32copysign() {
let op = F32COPYSIGN;
test_f32_binop(op, 1.1, 2.2, 1.1);
test_f32_binop(op, -1.1, -2.2, -1.1);
test_f32_binop(op, -1.1, 1.1, 1.1);
test_f32_binop(op, 1.1, -1.1, -1.1);
}

25
crates/wasm_interp/tests/test_f64.rs
View file

@ -158,5 +158,28 @@ fn test_f64div() {
test_f64_binop(op, 1.0, 0.0, f64::INFINITY);
test_f64_binop(op, -1.0, 0.0, f64::NEG_INFINITY);
// test_f64_binop(op, 0.0, 0.0, f64::NAN); // can't check NaN for equality! LOL
// to-probably-never-do: check NaN. It needs its own special test setup.
}
#[test]
fn test_f64min() {
let op = F64MIN;
test_f64_binop(op, 1.1, 2.2, 1.1);
test_f64_binop(op, -1.1, -2.2, -2.2);
}
#[test]
fn test_f64max() {
let op = F64MAX;
test_f64_binop(op, 1.1, 2.2, 2.2);
test_f64_binop(op, -1.1, -2.2, -1.1);
}
#[test]
fn test_f64copysign() {
let op = F64COPYSIGN;
test_f64_binop(op, 1.1, 2.2, 1.1);
test_f64_binop(op, -1.1, -2.2, -1.1);
test_f64_binop(op, -1.1, 1.1, 1.1);
test_f64_binop(op, 1.1, -1.1, -1.1);
}