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Improve performance of memory access.

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This commit is contained in:
Heyang Zhou
2019-05-13 05:11:08 -07:00
parent 620a6ddd85
commit af1ac9af96
3 changed files with 100 additions and 44 deletions
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36
lib/runtime-core/src/vmcalls.rs
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@ -20,10 +20,15 @@ pub unsafe extern "C" fn local_static_memory_grow(
let local_memory = *ctx.internal.memories.add(memory_index.index());
let memory = (*local_memory).memory as *mut StaticMemory;
match (*memory).grow(delta, &mut *local_memory) {
let ret = match (*memory).grow(delta, &mut *local_memory) {
Ok(old) => old.0 as i32,
Err(_) => -1,
}
};
ctx.internal.memory_base = (*local_memory).base;
ctx.internal.memory_bound = (*local_memory).bound;
ret
}
pub unsafe extern "C" fn local_static_memory_size(
@ -44,10 +49,15 @@ pub unsafe extern "C" fn local_dynamic_memory_grow(
let local_memory = *ctx.internal.memories.add(memory_index.index());
let memory = (*local_memory).memory as *mut DynamicMemory;
match (*memory).grow(delta, &mut *local_memory) {
let ret = match (*memory).grow(delta, &mut *local_memory) {
Ok(old) => old.0 as i32,
Err(_) => -1,
}
};
ctx.internal.memory_base = (*local_memory).base;
ctx.internal.memory_bound = (*local_memory).bound;
ret
}
pub unsafe extern "C" fn local_dynamic_memory_size(
@ -75,10 +85,15 @@ pub unsafe extern "C" fn imported_static_memory_grow(
.add(import_memory_index.index());
let memory = (*local_memory).memory as *mut StaticMemory;
match (*memory).grow(delta, &mut *local_memory) {
let ret = match (*memory).grow(delta, &mut *local_memory) {
Ok(old) => old.0 as i32,
Err(_) => -1,
}
};
ctx.internal.memory_base = (*local_memory).base;
ctx.internal.memory_bound = (*local_memory).bound;
ret
}
pub unsafe extern "C" fn imported_static_memory_size(
@ -102,10 +117,15 @@ pub unsafe extern "C" fn imported_dynamic_memory_grow(
let local_memory = *ctx.internal.imported_memories.add(memory_index.index());
let memory = (*local_memory).memory as *mut DynamicMemory;
match (*memory).grow(delta, &mut *local_memory) {
let ret = match (*memory).grow(delta, &mut *local_memory) {
Ok(old) => old.0 as i32,
Err(_) => -1,
}
};
ctx.internal.memory_base = (*local_memory).base;
ctx.internal.memory_bound = (*local_memory).bound;
ret
}
pub unsafe extern "C" fn imported_dynamic_memory_size(