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codegen: handle elem_ptr when lowering to memory

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* x64: handle storing from-to non-stack memory
This commit is contained in:
Jakub Konka
2022-03-03 00:03:54 +01:00
committed by Andrew Kelley
parent 1c8a86f063
commit 3ec74a1cd8
3 changed files with 61 additions and 4 deletions
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24
src/codegen.zig
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@@ -392,6 +392,30 @@ pub fn generateSymbol(
},
}
},
.elem_ptr => {
const elem_ptr = typed_value.val.castTag(.elem_ptr).?.data;
const elem_size = typed_value.ty.childType().abiSize(target);
const addend = @intCast(u32, elem_ptr.index * elem_size);
const array_ptr = elem_ptr.array_ptr;
switch (array_ptr.tag()) {
.decl_ref => {
const decl = array_ptr.castTag(.decl_ref).?.data;
return lowerDeclRef(bin_file, src_loc, typed_value, decl, code, debug_output, .{
.parent_atom_index = reloc_info.parent_atom_index,
.addend = (reloc_info.addend orelse 0) + addend,
});
},
else => return Result{
.fail = try ErrorMsg.create(
bin_file.allocator,
src_loc,
"TODO implement generateSymbol for pointer type value: '{s}'",
.{@tagName(typed_value.val.tag())},
),
},
}
},
else => return Result{
.fail = try ErrorMsg.create(
bin_file.allocator,