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Don't allocate context if it's unused

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This commit is contained in:
Jef
2019-01-17 14:34:34 +01:00
parent e0f032a0e5
commit d06be92a4e
3 changed files with 80 additions and 20 deletions
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13
src/tests.rs
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@@ -116,6 +116,7 @@ mod op32 {
unop_test!(clz, u32::leading_zeros);
unop_test!(ctz, u32::trailing_zeros);
unop_test!(popcnt, u32::count_ones);
unop_test!(eqz, |a: u32| if a == 0 { 1 } else { 0 });
binop_test!(add, i32::wrapping_add);
binop_test!(sub, i32::wrapping_sub);
@@ -194,31 +195,34 @@ mod op64 {
macro_rules! unop_test {
($name:ident, $func:expr) => {
unop_test!($name, $func, i64);
};
($name:ident, $func:expr, $out_ty:ty) => {
mod $name {
use super::{translate_wat, ExecutableModule};
use std::sync::Once;
lazy_static! {
static ref AS_PARAM: ExecutableModule = translate_wat(
concat!("(module (func (param i64) (result i64)
concat!("(module (func (param i64) (result ",stringify!($out_ty),")
(i64.",stringify!($name)," (get_local 0))))"),
);
}
quickcheck! {
fn as_param(a: u64) -> bool {
AS_PARAM.execute_func::<(u64,), u64>(0, (a,)) == Ok($func(a))
AS_PARAM.execute_func::<(u64,), $out_ty>(0, (a,)) == Ok($func(a))
}
fn lit(a: u64) -> bool {
let translated = translate_wat(&format!(concat!("
(module (func (result i64)
(module (func (result ",stringify!($out_ty),")
(i64.",stringify!($name)," (i64.const {val}))))
"), val = a));
static ONCE: Once = Once::new();
ONCE.call_once(|| translated.disassemble());
translated.execute_func::<(), u64>(0, ()) == Ok($func(a))
translated.execute_func::<(), $out_ty>(0, ()) == Ok($func(a))
}
}
}
@@ -228,6 +232,7 @@ mod op64 {
unop_test!(clz, |a: u64| a.leading_zeros() as _);
unop_test!(ctz, |a: u64| a.trailing_zeros() as _);
unop_test!(popcnt, |a: u64| a.count_ones() as _);
unop_test!(eqz, |a: u64| if a == 0 { 1 } else { 0 }, i32);
binop_test!(add, i64::wrapping_add);
binop_test!(sub, i64::wrapping_sub);