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@@ -3571,10 +3571,22 @@ i64 type_align_of_internal(Type *t, TypePath *path) {
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return build_context.word_size;
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}
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- // return gb_clamp(next_pow2(type_size_of(t)), 1, build_context.max_align);
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+ i64 max_alignment = build_context.word_size;
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+ if (is_arch_wasm()) {
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+ // NOTE(bill): wasm32 with LLVM defines its default datalayout as:
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+ //
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+ // e-m:e-p:32:32-i64:64-n32:64-S128
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+ //
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+ // This means that the alignment of a 64-bit type is 64-bits and not 32-bits like
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+ // on other 32-bit architectures
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+ //
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+ // See: https://github.com/WebAssembly/tool-conventions/blob/main/BasicCABI.md
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+ max_alignment = 8;
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+ }
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+
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// NOTE(bill): Things that are bigger than build_context.word_size, are actually comprised of smaller types
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// TODO(bill): Is this correct for 128-bit types (integers)?
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- return gb_clamp(next_pow2(type_size_of_internal(t, path)), 1, build_context.word_size);
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+ return gb_clamp(next_pow2(type_size_of_internal(t, path)), 1, max_alignment);
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}
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i64 *type_set_offsets_of(Slice<Entity *> const &fields, bool is_packed, bool is_raw_union) {
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gingerBill