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Fix #1883

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This commit is contained in:
gingerBill
2022-07-16 18:03:43 +01:00
parent 0571b80d37
commit eafa5098aa
2 changed files with 31 additions and 25 deletions
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src/llvm_backend_const.cpp
+11 -12
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@@ -1025,7 +1025,10 @@ lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, bool allow_loc
return lb_const_nil(m, original_type);
}
u64 bits = 0;
BigInt bits = {};
BigInt one = {};
big_int_from_u64(&one, 1);
for_array(i, cl->elems) {
Ast *e = cl->elems[i];
GB_ASSERT(e->kind != Ast_FieldValue);
@@ -1037,18 +1040,14 @@ lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, bool allow_loc
GB_ASSERT(tav.value.kind == ExactValue_Integer);
i64 v = big_int_to_i64(&tav.value.value_integer);
i64 lower = type->BitSet.lower;
bits |= 1ull<<cast(u64)(v-lower);
u64 index = cast(u64)(v-lower);
gb_printf_err("index: %llu\n", index);
BigInt bit = {};
big_int_from_u64(&bit, index);
big_int_shl(&bit, &one, &bit);
big_int_or(&bits, &bits, &bit);
}
if (is_type_different_to_arch_endianness(type)) {
i64 size = type_size_of(type);
switch (size) {
case 2: bits = cast(u64)gb_endian_swap16(cast(u16)bits); break;
case 4: bits = cast(u64)gb_endian_swap32(cast(u32)bits); break;
case 8: bits = cast(u64)gb_endian_swap64(cast(u64)bits); break;
}
}
res.value = LLVMConstInt(lb_type(m, original_type), bits, false);
res.value = lb_big_int_to_llvm(m, original_type, &bits);
return res;
} else if (is_type_matrix(type)) {
ast_node(cl, CompoundLit, value.value_compound);