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Reorganize unsafe code.

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This commit is contained in:
Dan Gohman
2018-12-08 15:28:33 -05:00
parent 7dcca6be5b
commit 10bb311aea
4 changed files with 20 additions and 23 deletions
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16
lib/execute/src/vmcontext.rs
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@@ -266,15 +266,13 @@ impl VMGlobal {
/// Construct a `VMGlobalDefinition` variant of `VMGlobal`.
pub fn definition(global: &Global) -> Self {
let mut result = VMGlobalDefinition { storage: [0; 8] };
unsafe {
match global.initializer {
GlobalInit::I32Const(x) => *result.as_i32() = x,
GlobalInit::I64Const(x) => *result.as_i64() = x,
GlobalInit::F32Const(x) => *result.as_f32_bits() = x,
GlobalInit::F64Const(x) => *result.as_f64_bits() = x,
GlobalInit::GetGlobal(_x) => unimplemented!("globals init with get_global"),
GlobalInit::Import => panic!("attempting to initialize imported global"),
}
match global.initializer {
GlobalInit::I32Const(x) => *unsafe { result.as_i32() } = x,
GlobalInit::I64Const(x) => *unsafe { result.as_i64() } = x,
GlobalInit::F32Const(x) => *unsafe { result.as_f32_bits() } = x,
GlobalInit::F64Const(x) => *unsafe { result.as_f64_bits() } = x,
GlobalInit::GetGlobal(_x) => unimplemented!("globals init with get_global"),
GlobalInit::Import => panic!("attempting to initialize imported global"),
}
Self { definition: result }
}