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Merge pull request #2789 from rtfeldman/atomic-rc

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Use zig for all refcounts and add atomic support
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Brendan Hansknecht 2022-04-03 22:23:28 +00:00 • committed by GitHub
commit 19c02aa087
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7 changed files with 104 additions and 177 deletions
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7
compiler/gen_llvm/src/llvm/build_list.rs
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@ -1259,7 +1259,6 @@ pub fn allocate_list<'a, 'ctx, 'env>(
number_of_elements: IntValue<'ctx>,
) -> PointerValue<'ctx> {
let builder = env.builder;
let ctx = env.context;
let len_type = env.ptr_int();
let elem_bytes = elem_layout.stack_size(env.target_info) as u64;
@ -1267,13 +1266,9 @@ pub fn allocate_list<'a, 'ctx, 'env>(
let number_of_data_bytes =
builder.build_int_mul(bytes_per_element, number_of_elements, "data_length");
// the refcount of a new list is initially 1
// we assume that the list is indeed used (dead variables are eliminated)
let rc1 = crate::llvm::refcounting::refcount_1(ctx, env.target_info);
let basic_type = basic_type_from_layout(env, elem_layout);
let alignment_bytes = elem_layout.alignment_bytes(env.target_info);
allocate_with_refcount_help(env, basic_type, alignment_bytes, number_of_data_bytes, rc1)
allocate_with_refcount_help(env, basic_type, alignment_bytes, number_of_data_bytes)
}
pub fn store_list<'a, 'ctx, 'env>(