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feat: all mem stores
Signed-off-by: Henry Gressmann <[email protected]>
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3 files changed

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-11
lines changed

‎crates/tinywasm/src/runtime/executor/macros.rs‎

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Original file line numberDiff line numberDiff line change
@@ -30,6 +30,27 @@ macro_rules! mem_load {
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}};
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}
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/// Store a value to memory
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macro_rules! mem_store {
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($type:ty, $arg:ident, $stack:ident, $store:ident, $module:ident) => {{
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mem_store!($type, $type, $arg, $stack, $store, $module)
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}};
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($store_type:ty, $target_type:ty, $arg:ident, $stack:ident, $store:ident, $module:ident) => {{
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let mem_idx = $module.resolve_mem_addr($arg.mem_addr);
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let mem = $store.get_mem(mem_idx as usize)?;
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let val = $stack.values.pop()?.raw_value();
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let addr = $stack.values.pop()?.raw_value();
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let val = val as $store_type;
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let val = val.to_le_bytes();
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mem.borrow_mut()
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.store(($arg.offset + addr) as usize, $arg.align as usize, &val)?;
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}};
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}
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/// Doing the actual conversion from float to int is a bit tricky, because
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/// we need to check for overflow. This macro generates the min/max values
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/// for a specific conversion, which are then used in the actual conversion.
@@ -193,3 +214,4 @@ pub(super) use comp_zero;
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pub(super) use conv;
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pub(super) use float_min_max;
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pub(super) use mem_load;
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pub(super) use mem_store;

‎crates/tinywasm/src/runtime/executor/mod.rs‎

Lines changed: 9 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -302,16 +302,15 @@ fn exec_one(
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}
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}
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I32Store(arg) => {
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let mem_idx = module.resolve_mem_addr(arg.mem_addr);
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let mem = store.get_mem(mem_idx as usize)?;
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let val = stack.values.pop()?.raw_value();
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let addr = stack.values.pop()?.raw_value();
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mem.borrow_mut()
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.store((arg.offset + addr) as usize, arg.align as usize, &val.to_le_bytes())?;
314-
}
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I32Store(arg) => mem_store!(i32, arg, stack, store, module),
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I64Store(arg) => mem_store!(i64, arg, stack, store, module),
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F32Store(arg) => mem_store!(f32, arg, stack, store, module),
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F64Store(arg) => mem_store!(f64, arg, stack, store, module),
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I32Store8(arg) => mem_store!(i8, i32, arg, stack, store, module),
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I32Store16(arg) => mem_store!(i16, i32, arg, stack, store, module),
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I64Store8(arg) => mem_store!(i8, i64, arg, stack, store, module),
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I64Store16(arg) => mem_store!(i16, i64, arg, stack, store, module),
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I64Store32(arg) => mem_store!(i32, i64, arg, stack, store, module),
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I32Load(arg) => mem_load!(i32, arg, stack, store, module),
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I64Load(arg) => mem_load!(i64, arg, stack, store, module),

‎crates/tinywasm/tests/generated/mvp.csv‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2,4 +2,4 @@
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