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Correct endianness on slicing

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This commit is contained in:
gingerBill
2021-09-12 16:45:57 +01:00
parent 9e018b642e
commit 15921d032c
2 changed files with 17 additions and 3 deletions
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9
src/llvm_backend_expr.cpp
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@@ -888,7 +888,6 @@ lbValue lb_build_binary_expr(lbProcedure *p, Ast *expr) {
return {};
}
lbValue lb_emit_conv(lbProcedure *p, lbValue value, Type *t) {
lbModule *m = p->module;
t = reduce_tuple_to_single_type(t);
@@ -2981,8 +2980,12 @@ lbAddr lb_build_addr(lbProcedure *p, Ast *expr) {
lbValue low = lb_const_int(p->module, t_int, 0);
lbValue high = {};
if (se->low != nullptr) low = lb_build_expr(p, se->low);
if (se->high != nullptr) high = lb_build_expr(p, se->high);
if (se->low != nullptr) {
low = lb_correct_endianness(p, lb_build_expr(p, se->low));
}
if (se->high != nullptr) {
high = lb_correct_endianness(p, lb_build_expr(p, se->high));
}
bool no_indices = se->low == nullptr && se->high == nullptr;

11
src/llvm_backend_utility.cpp
View File

@@ -38,6 +38,16 @@ bool lb_is_type_aggregate(Type *t) {
}
lbValue lb_correct_endianness(lbProcedure *p, lbValue value) {
Type *src = core_type(value.type);
GB_ASSERT(is_type_integer(src) || is_type_float(src));
if (is_type_different_to_arch_endianness(src)) {
Type *platform_src_type = integer_endian_type_to_platform_type(src);
value = lb_emit_byte_swap(p, value, platform_src_type);
}
return value;
}
void lb_mem_zero_ptr_internal(lbProcedure *p, LLVMValueRef ptr, LLVMValueRef len, unsigned alignment) {
bool is_inlinable = false;
@@ -1125,6 +1135,7 @@ lbValue lb_emit_array_epi(lbProcedure *p, lbValue s, isize index) {
}
lbValue lb_emit_ptr_offset(lbProcedure *p, lbValue ptr, lbValue index) {
index = lb_correct_endianness(p, index);
LLVMValueRef indices[1] = {index.value};
lbValue res = {};
res.type = ptr.type;