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Make clone_list more robust in crane build

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This commit is contained in:
Richard Feldman 2020-03-25 00:32:56 -04:00
parent 5d28ae5fa6
commit f27f324c4c
1 changed files with 13 additions and 8 deletions
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21
compiler/gen/src/crane/build.rs
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@ -1017,16 +1017,21 @@ fn clone_list<B: Backend>(
ptr_bytes * Builtin::LIST_WORDS,
));
// Store the new pointer in slot 0 of the wrapper
builder
.ins()
.stack_store(new_elems_ptr, slot, Offset32::new(0));
// Store the new pointer in the wrapper
builder.ins().stack_store(
new_elems_ptr,
slot,
Offset32::new((Builtin::WRAPPER_PTR * ptr_bytes) as i32),
);
// Store the length in slot 1 of the wrapper
builder
.ins()
.stack_store(list_len, slot, Offset32::new(ptr_bytes as i32));
// Store the length in slot the wrapper
builder.ins().stack_store(
list_len,
slot,
Offset32::new((Builtin::WRAPPER_LEN * ptr_bytes) as i32),
);
// Return the wrapper struct
builder
.ins()
.stack_addr(cfg.pointer_type(), slot, Offset32::new(0))