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Fix #3902

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gingerBill
2024-07-11 13:08:38 +01:00
parent 5e7634d90c
commit 6b3453cc64
1 changed files with 2 additions and 1 deletions
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3
src/llvm_backend_general.cpp
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@@ -1163,11 +1163,12 @@ gb_internal lbValue lb_addr_load(lbProcedure *p, lbAddr const &addr) {
r = lb_addr_load(p, dst);
r.value = LLVMBuildShl(p->builder, r.value, shift_amount, "");
} else if ((addr.bitfield.bit_offset % 8) == 0) {
do_mask = 8*dst_byte_size != addr.bitfield.bit_size;
lbValue copy_size = byte_size;
lbValue src_offset = lb_emit_conv(p, src, t_u8_ptr);
src_offset = lb_emit_ptr_offset(p, src_offset, byte_offset);
if (addr.bitfield.bit_offset + 8*dst_byte_size <= total_bitfield_bit_size) {
do_mask = true;
copy_size = lb_const_int(p->module, t_uintptr, dst_byte_size);
}
lb_mem_copy_non_overlapping(p, dst.addr, src_offset, copy_size, false);