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compiler_rt implementations for __fixuns* functions

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* add u128 and i128 integer types
 * add f128 floating point type
 * implement big integer multiplication (See #405)
This commit is contained in:
Andrew Kelley
2017-08-16 19:07:35 -04:00
parent cf46cd5f2b
commit 6a98bf3dba
27 changed files with 588 additions and 22 deletions
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16
src/codegen.cpp
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@@ -4208,6 +4208,7 @@ static const uint8_t int_sizes_in_bits[] = {
16,
32,
64,
128,
};
struct CIntTypeInfo {
@@ -4390,6 +4391,19 @@ static void define_builtin_types(CodeGen *g) {
g->builtin_types.entry_f64 = entry;
g->primitive_type_table.put(&entry->name, entry);
}
{
TypeTableEntry *entry = new_type_table_entry(TypeTableEntryIdFloat);
entry->type_ref = LLVMFP128Type();
buf_init_from_str(&entry->name, "f128");
entry->data.floating.bit_count = 128;
uint64_t debug_size_in_bits = 8*LLVMStoreSizeOfType(g->target_data_ref, entry->type_ref);
entry->di_type = ZigLLVMCreateDebugBasicType(g->dbuilder, buf_ptr(&entry->name),
debug_size_in_bits,
ZigLLVMEncoding_DW_ATE_float());
g->builtin_types.entry_f128 = entry;
g->primitive_type_table.put(&entry->name, entry);
}
{
TypeTableEntry *entry = new_type_table_entry(TypeTableEntryIdFloat);
entry->type_ref = LLVMX86FP80Type();
@@ -4435,10 +4449,12 @@ static void define_builtin_types(CodeGen *g) {
g->builtin_types.entry_u16 = get_int_type(g, false, 16);
g->builtin_types.entry_u32 = get_int_type(g, false, 32);
g->builtin_types.entry_u64 = get_int_type(g, false, 64);
g->builtin_types.entry_u128 = get_int_type(g, false, 128);
g->builtin_types.entry_i8 = get_int_type(g, true, 8);
g->builtin_types.entry_i16 = get_int_type(g, true, 16);
g->builtin_types.entry_i32 = get_int_type(g, true, 32);
g->builtin_types.entry_i64 = get_int_type(g, true, 64);
g->builtin_types.entry_i128 = get_int_type(g, true, 128);
{
g->builtin_types.entry_c_void = get_opaque_type(g, nullptr, nullptr, "c_void");