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-rw-r--r--core/runtime/core.odin153
-rw-r--r--core/runtime/internal.odin20
-rw-r--r--core/runtime/soft_numbers.odin112
3 files changed, 81 insertions, 204 deletions
diff --git a/core/runtime/core.odin b/core/runtime/core.odin
index 57835acb6..da5bdaef9 100644
--- a/core/runtime/core.odin
+++ b/core/runtime/core.odin
@@ -4,7 +4,6 @@
package runtime
import "core:os"
-import "core:raw"
import "core:mem"
// Naming Conventions:
@@ -134,9 +133,9 @@ Type_Info :: struct {
// NOTE(bill): only the ones that are needed (not all types)
// This will be set by the compiler
-__type_table: []Type_Info;
+type_table: []Type_Info;
-__args__: []cstring;
+args__: []cstring;
// IMPORTANT NOTE(bill): Must be in this order (as the compiler relies upon it)
@@ -147,27 +146,8 @@ Source_Code_Location :: struct {
procedure: string,
}
-Allocator_Mode :: enum byte {
- Alloc,
- Free,
- Free_All,
- Resize,
-}
-
-Allocator_Proc :: #type proc(allocator_data: rawptr, mode: Allocator_Mode,
- size, alignment: int,
- old_memory: rawptr, old_size: int, flags: u64 = 0, location := #caller_location) -> rawptr;
-
-
-Allocator :: struct {
- procedure: Allocator_Proc,
- data: rawptr,
-}
-
-
-
Context :: struct {
- allocator: Allocator,
+ allocator: mem.Allocator,
thread_id: int,
user_data: any,
@@ -177,34 +157,33 @@ Context :: struct {
derived: any, // May be used for derived data types
}
-DEFAULT_ALIGNMENT :: 2*align_of(rawptr);
-__INITIAL_MAP_CAP :: 16;
+INITIAL_MAP_CAP :: 16;
-__Map_Key :: struct {
+Map_Key :: struct {
hash: u64,
str: string,
}
-__Map_Find_Result :: struct {
+Map_Find_Result :: struct {
hash_index: int,
entry_prev: int,
entry_index: int,
}
-__Map_Entry_Header :: struct {
- key: __Map_Key,
+Map_Entry_Header :: struct {
+ key: Map_Key,
next: int,
/*
value: Value_Type,
*/
}
-__Map_Header :: struct {
- m: ^raw.Map,
+Map_Header :: struct {
+ m: ^mem.Raw_Map,
is_key_string: bool,
entry_size: int,
entry_align: int,
@@ -251,10 +230,10 @@ __typeid_of :: proc "contextless" (ti: ^Type_Info) -> typeid {
}
__type_info_of :: proc "contextless" (id: typeid) -> ^Type_Info {
n := int(transmute(uintptr)id);
- if n < 0 || n >= len(__type_table) {
+ if n < 0 || n >= len(type_table) {
n = 0;
}
- return &__type_table[n];
+ return &type_table[n];
}
typeid_base :: proc "contextless" (id: typeid) -> typeid {
@@ -297,17 +276,13 @@ __init_context_from_ptr :: proc "contextless" (c: ^Context, other: ^Context) {
__init_context :: proc "contextless" (c: ^Context) {
if c == nil do return;
- if c.allocator.procedure == nil {
- c.allocator = mem.default_allocator();
- }
- if c.thread_id == 0 {
- c.thread_id = os.current_thread_id();
- }
+ c.allocator = os.default_allocator();
+ c.thread_id = os.current_thread_id();
}
-
+@(builtin)
copy :: proc "contextless" (dst, src: $T/[]$E) -> int {
n := max(0, min(len(dst), len(src)));
if n > 0 do mem.copy(&dst[0], &src[0], n*size_of(E));
@@ -316,33 +291,38 @@ copy :: proc "contextless" (dst, src: $T/[]$E) -> int {
+@(builtin)
pop :: proc "contextless" (array: ^$T/[dynamic]$E) -> E {
if array == nil do return E{};
assert(len(array) > 0);
res := array[len(array)-1];
- (^raw.Dynamic_Array)(array).len -= 1;
+ (^mem.Raw_Dynamic_Array)(array).len -= 1;
return res;
}
-
+@(builtin)
clear :: proc[clear_dynamic_array, clear_map];
-reserve :: proc[reserve_dynamic_array, reserve_map];
+@(builtin)
+reserve :: proc[reserve_dynamic_array, reserve_map];
+@(builtin)
new :: inline proc(T: type, loc := #caller_location) -> ^T {
ptr := (^T)(mem.alloc(size_of(T), align_of(T), loc));
ptr^ = T{};
return ptr;
}
+
+@(builtin)
new_clone :: inline proc(data: $T, loc := #caller_location) -> ^T {
ptr := (^T)(mem.alloc(size_of(T), align_of(T), loc));
ptr^ = data;
return ptr;
}
-
+@(builtin)
free :: proc[
mem.free_ptr,
mem.free_string,
@@ -355,25 +335,29 @@ free :: proc[
+@(builtin)
clear_map :: inline proc "contextless" (m: ^$T/map[$K]$V) {
if m == nil do return;
- raw_map := (^raw.Map)(m);
- hashes := (^raw.Dynamic_Array)(&raw_map.hashes);
- entries := (^raw.Dynamic_Array)(&raw_map.entries);
+ raw_map := (^mem.Raw_Map)(m);
+ hashes := (^mem.Raw_Dynamic_Array)(&raw_map.hashes);
+ entries := (^mem.Raw_Dynamic_Array)(&raw_map.entries);
hashes.len = 0;
entries.len = 0;
}
+@(builtin)
reserve_map :: proc(m: ^$T/map[$K]$V, capacity: int) {
if m != nil do __dynamic_map_reserve(__get_map_header(m), capacity);
}
+@(builtin)
delete :: proc(m: ^$T/map[$K]$V, key: K) {
if m != nil do __dynamic_map_delete(__get_map_header(m), __get_map_key(key));
}
+@(builtin)
append :: proc(array: ^$T/[dynamic]$E, args: ...E, loc := #caller_location) -> int {
if array == nil do return 0;
@@ -387,7 +371,7 @@ append :: proc(array: ^$T/[dynamic]$E, args: ...E, loc := #caller_location) -> i
}
arg_len = min(cap(array)-len(array), arg_len);
if arg_len > 0 {
- a := (^raw.Dynamic_Array)(array);
+ a := (^mem.Raw_Dynamic_Array)(array);
data := (^E)(a.data);
assert(data != nil);
mem.copy(mem.ptr_offset(data, uintptr(a.len)), &args[0], size_of(E) * arg_len);
@@ -396,6 +380,7 @@ append :: proc(array: ^$T/[dynamic]$E, args: ...E, loc := #caller_location) -> i
return len(array);
}
+@(builtin)
append_string :: proc(array: ^$T/[dynamic]$E/u8, args: ...string, loc := #caller_location) -> int {
for arg in args {
append(array = array, args = ([]E)(arg), loc = loc);
@@ -403,13 +388,15 @@ append_string :: proc(array: ^$T/[dynamic]$E/u8, args: ...string, loc := #caller
return len(array);
}
+@(builtin)
clear_dynamic_array :: inline proc "contextless" (array: ^$T/[dynamic]$E) {
- if array != nil do (^raw.Dynamic_Array)(array).len = 0;
+ if array != nil do (^mem.Raw_Dynamic_Array)(array).len = 0;
}
+@(builtin)
reserve_dynamic_array :: proc(array: ^$T/[dynamic]$E, capacity: int, loc := #caller_location) -> bool {
if array == nil do return false;
- a := (^raw.Dynamic_Array)(array);
+ a := (^mem.Raw_Dynamic_Array)(array);
if capacity <= a.cap do return true;
@@ -423,7 +410,7 @@ reserve_dynamic_array :: proc(array: ^$T/[dynamic]$E, capacity: int, loc := #cal
allocator := a.allocator;
new_data := allocator.procedure(
- allocator.data, Allocator_Mode.Resize, new_size, align_of(E),
+ allocator.data, mem.Allocator_Mode.Resize, new_size, align_of(E),
a.data, old_size, 0, loc,
);
if new_data == nil do return false;
@@ -438,6 +425,7 @@ reserve_dynamic_array :: proc(array: ^$T/[dynamic]$E, capacity: int, loc := #cal
+@(builtin)
assert :: proc "contextless" (condition: bool, message := "", using loc := #caller_location) -> bool {
if !condition {
fd := os.stderr;
@@ -453,6 +441,7 @@ assert :: proc "contextless" (condition: bool, message := "", using loc := #call
return condition;
}
+@(builtin)
panic :: proc "contextless" (message := "", using loc := #caller_location) {
fd := os.stderr;
__print_caller_location(fd, loc);
@@ -471,7 +460,7 @@ panic :: proc "contextless" (message := "", using loc := #caller_location) {
__dynamic_array_make :: proc(array_: rawptr, elem_size, elem_align: int, len, cap: int, loc := #caller_location) {
- array := (^raw.Dynamic_Array)(array_);
+ array := (^mem.Raw_Dynamic_Array)(array_);
array.allocator = context.allocator;
assert(array.allocator.procedure != nil);
@@ -482,7 +471,7 @@ __dynamic_array_make :: proc(array_: rawptr, elem_size, elem_align: int, len, ca
}
__dynamic_array_reserve :: proc(array_: rawptr, elem_size, elem_align: int, cap: int, loc := #caller_location) -> bool {
- array := (^raw.Dynamic_Array)(array_);
+ array := (^mem.Raw_Dynamic_Array)(array_);
if cap <= array.cap do return true;
@@ -495,7 +484,7 @@ __dynamic_array_reserve :: proc(array_: rawptr, elem_size, elem_align: int, cap:
new_size := cap * elem_size;
allocator := array.allocator;
- new_data := allocator.procedure(allocator.data, Allocator_Mode.Resize, new_size, elem_align, array.data, old_size, 0, loc);
+ new_data := allocator.procedure(allocator.data, mem.Allocator_Mode.Resize, new_size, elem_align, array.data, old_size, 0, loc);
if new_data == nil do return false;
array.data = new_data;
@@ -504,7 +493,7 @@ __dynamic_array_reserve :: proc(array_: rawptr, elem_size, elem_align: int, cap:
}
__dynamic_array_resize :: proc(array_: rawptr, elem_size, elem_align: int, len: int, loc := #caller_location) -> bool {
- array := (^raw.Dynamic_Array)(array_);
+ array := (^mem.Raw_Dynamic_Array)(array_);
ok := __dynamic_array_reserve(array_, elem_size, elem_align, len, loc);
if ok do array.len = len;
@@ -514,7 +503,7 @@ __dynamic_array_resize :: proc(array_: rawptr, elem_size, elem_align: int, len:
__dynamic_array_append :: proc(array_: rawptr, elem_size, elem_align: int,
items: rawptr, item_count: int, loc := #caller_location) -> int {
- array := (^raw.Dynamic_Array)(array_);
+ array := (^mem.Raw_Dynamic_Array)(array_);
if items == nil do return 0;
if item_count <= 0 do return 0;
@@ -537,7 +526,7 @@ __dynamic_array_append :: proc(array_: rawptr, elem_size, elem_align: int,
}
__dynamic_array_append_nothing :: proc(array_: rawptr, elem_size, elem_align: int, loc := #caller_location) -> int {
- array := (^raw.Dynamic_Array)(array_);
+ array := (^mem.Raw_Dynamic_Array)(array_);
ok := true;
if array.cap <= array.len+1 {
@@ -559,10 +548,10 @@ __dynamic_array_append_nothing :: proc(array_: rawptr, elem_size, elem_align: in
// Map
-__get_map_header :: proc "contextless" (m: ^$T/map[$K]$V) -> __Map_Header {
- header := __Map_Header{m = (^raw.Map)(m)};
+__get_map_header :: proc "contextless" (m: ^$T/map[$K]$V) -> Map_Header {
+ header := Map_Header{m = (^mem.Raw_Map)(m)};
Entry :: struct {
- key: __Map_Key,
+ key: Map_Key,
next: int,
value: V,
}
@@ -576,8 +565,8 @@ __get_map_header :: proc "contextless" (m: ^$T/map[$K]$V) -> __Map_Header {
return header;
}
-__get_map_key :: proc "contextless" (key: $K) -> __Map_Key {
- map_key: __Map_Key;
+__get_map_key :: proc "contextless" (key: $K) -> Map_Key {
+ map_key: Map_Key;
ti := type_info_base_without_enum(type_info_of(K));
switch _ in ti.variant {
case Type_Info_Integer:
@@ -621,17 +610,17 @@ __default_hash :: proc(data: []byte) -> u64 {
}
__default_hash_string :: proc(s: string) -> u64 do return __default_hash(([]byte)(s));
-__dynamic_map_reserve :: proc(using header: __Map_Header, cap: int, loc := #caller_location) {
+__dynamic_map_reserve :: proc(using header: Map_Header, cap: int, loc := #caller_location) {
__dynamic_array_reserve(&m.hashes, size_of(int), align_of(int), cap, loc);
__dynamic_array_reserve(&m.entries, entry_size, entry_align, cap, loc);
}
-__dynamic_map_rehash :: proc(using header: __Map_Header, new_count: int, loc := #caller_location) #no_bounds_check {
- new_header: __Map_Header = header;
- nm: raw.Map;
+__dynamic_map_rehash :: proc(using header: Map_Header, new_count: int, loc := #caller_location) #no_bounds_check {
+ new_header: Map_Header = header;
+ nm: mem.Raw_Map;
new_header.m = &nm;
- header_hashes := (^raw.Dynamic_Array)(&header.m.hashes);
- nm_hashes := (^raw.Dynamic_Array)(&nm.hashes);
+ header_hashes := (^mem.Raw_Dynamic_Array)(&header.m.hashes);
+ nm_hashes := (^mem.Raw_Dynamic_Array)(&nm.hashes);
__dynamic_array_resize(nm_hashes, size_of(int), align_of(int), new_count, loc);
__dynamic_array_reserve(&nm.entries, entry_size, entry_align, m.entries.len, loc);
@@ -664,7 +653,7 @@ __dynamic_map_rehash :: proc(using header: __Map_Header, new_count: int, loc :=
header.m^ = nm;
}
-__dynamic_map_get :: proc(h: __Map_Header, key: __Map_Key) -> rawptr {
+__dynamic_map_get :: proc(h: Map_Header, key: Map_Key) -> rawptr {
index := __dynamic_map_find(h, key).entry_index;
if index >= 0 {
data := uintptr(__dynamic_map_get_entry(h, index));
@@ -673,13 +662,13 @@ __dynamic_map_get :: proc(h: __Map_Header, key: __Map_Key) -> rawptr {
return nil;
}
-__dynamic_map_set :: proc(h: __Map_Header, key: __Map_Key, value: rawptr, loc := #caller_location) #no_bounds_check {
+__dynamic_map_set :: proc(h: Map_Header, key: Map_Key, value: rawptr, loc := #caller_location) #no_bounds_check {
index: int;
assert(value != nil);
if len(h.m.hashes) == 0 {
- __dynamic_map_reserve(h, __INITIAL_MAP_CAP, loc);
+ __dynamic_map_reserve(h, INITIAL_MAP_CAP, loc);
__dynamic_map_grow(h, loc);
}
@@ -708,18 +697,18 @@ __dynamic_map_set :: proc(h: __Map_Header, key: __Map_Key, value: rawptr, loc :=
}
-__dynamic_map_grow :: proc(using h: __Map_Header, loc := #caller_location) {
+__dynamic_map_grow :: proc(using h: Map_Header, loc := #caller_location) {
// TODO(bill): Determine an efficient growing rate
- new_count := max(4*m.entries.cap + 7, __INITIAL_MAP_CAP);
+ new_count := max(4*m.entries.cap + 7, INITIAL_MAP_CAP);
__dynamic_map_rehash(h, new_count, loc);
}
-__dynamic_map_full :: inline proc(using h: __Map_Header) -> bool {
+__dynamic_map_full :: inline proc(using h: Map_Header) -> bool {
return int(0.75 * f64(len(m.hashes))) <= m.entries.cap;
}
-__dynamic_map_hash_equal :: proc(h: __Map_Header, a, b: __Map_Key) -> bool {
+__dynamic_map_hash_equal :: proc(h: Map_Header, a, b: Map_Key) -> bool {
if a.hash == b.hash {
if h.is_key_string do return a.str == b.str;
return true;
@@ -727,8 +716,8 @@ __dynamic_map_hash_equal :: proc(h: __Map_Header, a, b: __Map_Key) -> bool {
return false;
}
-__dynamic_map_find :: proc(using h: __Map_Header, key: __Map_Key) -> __Map_Find_Result #no_bounds_check {
- fr := __Map_Find_Result{-1, -1, -1};
+__dynamic_map_find :: proc(using h: Map_Header, key: Map_Key) -> Map_Find_Result #no_bounds_check {
+ fr := Map_Find_Result{-1, -1, -1};
if len(m.hashes) > 0 {
fr.hash_index = int(key.hash % u64(len(m.hashes)));
fr.entry_index = m.hashes[fr.hash_index];
@@ -742,7 +731,7 @@ __dynamic_map_find :: proc(using h: __Map_Header, key: __Map_Key) -> __Map_Find_
return fr;
}
-__dynamic_map_add_entry :: proc(using h: __Map_Header, key: __Map_Key, loc := #caller_location) -> int {
+__dynamic_map_add_entry :: proc(using h: Map_Header, key: Map_Key, loc := #caller_location) -> int {
prev := m.entries.len;
c := __dynamic_array_append_nothing(&m.entries, entry_size, entry_align, loc);
if c != prev {
@@ -753,19 +742,19 @@ __dynamic_map_add_entry :: proc(using h: __Map_Header, key: __Map_Key, loc := #c
return prev;
}
-__dynamic_map_delete :: proc(using h: __Map_Header, key: __Map_Key) {
+__dynamic_map_delete :: proc(using h: Map_Header, key: Map_Key) {
fr := __dynamic_map_find(h, key);
if fr.entry_index >= 0 {
__dynamic_map_erase(h, fr);
}
}
-__dynamic_map_get_entry :: proc(using h: __Map_Header, index: int) -> ^__Map_Entry_Header {
+__dynamic_map_get_entry :: proc(using h: Map_Header, index: int) -> ^Map_Entry_Header {
assert(0 <= index && index < m.entries.len);
- return (^__Map_Entry_Header)(uintptr(m.entries.data) + uintptr(index*entry_size));
+ return (^Map_Entry_Header)(uintptr(m.entries.data) + uintptr(index*entry_size));
}
-__dynamic_map_erase :: proc(using h: __Map_Header, fr: __Map_Find_Result) #no_bounds_check {
+__dynamic_map_erase :: proc(using h: Map_Header, fr: Map_Find_Result) #no_bounds_check {
if fr.entry_prev < 0 {
m.hashes[fr.hash_index] = __dynamic_map_get_entry(h, fr.entry_index).next;
} else {
diff --git a/core/runtime/internal.odin b/core/runtime/internal.odin
index 87d19ab87..7f38bb7ce 100644
--- a/core/runtime/internal.odin
+++ b/core/runtime/internal.odin
@@ -1,6 +1,5 @@
package runtime
-import "core:raw"
import "core:mem"
import "core:os"
import "core:unicode/utf8"
@@ -239,7 +238,7 @@ __cstring_to_string :: proc "contextless" (s: cstring) -> string {
if s == nil do return "";
ptr := (^byte)(s);
n := __cstring_len(s);
- return transmute(string)raw.String{ptr, n};
+ return transmute(string)mem.Raw_String{ptr, n};
}
@@ -250,7 +249,7 @@ __complex128_eq :: inline proc "contextless" (a, b: complex128) -> bool { return
__complex128_ne :: inline proc "contextless" (a, b: complex128) -> bool { return real(a) != real(b) || imag(a) != imag(b); }
-__bounds_check_error :: proc "contextless" (file: string, line, column: int, index, count: int) {
+bounds_check_error :: proc "contextless" (file: string, line, column: int, index, count: int) {
if 0 <= index && index < count do return;
fd := os.stderr;
@@ -263,7 +262,7 @@ __bounds_check_error :: proc "contextless" (file: string, line, column: int, ind
__debug_trap();
}
-__slice_expr_error :: proc "contextless" (file: string, line, column: int, lo, hi: int, len: int) {
+slice_expr_error :: proc "contextless" (file: string, line, column: int, lo, hi: int, len: int) {
if 0 <= lo && lo <= hi && hi <= len do return;
@@ -279,7 +278,7 @@ __slice_expr_error :: proc "contextless" (file: string, line, column: int, lo, h
__debug_trap();
}
-__dynamic_array_expr_error :: proc "contextless" (file: string, line, column: int, low, high, max: int) {
+dynamic_array_expr_error :: proc "contextless" (file: string, line, column: int, low, high, max: int) {
if 0 <= low && low <= high && high <= max do return;
fd := os.stderr;
@@ -294,7 +293,7 @@ __dynamic_array_expr_error :: proc "contextless" (file: string, line, column: in
__debug_trap();
}
-__type_assertion_check :: proc "contextless" (ok: bool, file: string, line, column: int, from, to: typeid) {
+type_assertion_check :: proc "contextless" (ok: bool, file: string, line, column: int, from, to: typeid) {
if ok do return;
fd := os.stderr;
@@ -311,11 +310,12 @@ __string_decode_rune :: inline proc "contextless" (s: string) -> (rune, int) {
return utf8.decode_rune_from_string(s);
}
-__bounds_check_error_loc :: inline proc "contextless" (using loc := #caller_location, index, count: int) {
- __bounds_check_error(file_path, int(line), int(column), index, count);
+bounds_check_error_loc :: inline proc "contextless" (using loc := #caller_location, index, count: int) {
+ bounds_check_error(file_path, int(line), int(column), index, count);
}
-__slice_expr_error_loc :: inline proc "contextless" (using loc := #caller_location, lo, hi: int, len: int) {
- __slice_expr_error(file_path, int(line), int(column), lo, hi, len);
+
+slice_expr_error_loc :: inline proc "contextless" (using loc := #caller_location, lo, hi: int, len: int) {
+ slice_expr_error(file_path, int(line), int(column), lo, hi, len);
}
diff --git a/core/runtime/soft_numbers.odin b/core/runtime/soft_numbers.odin
deleted file mode 100644
index 92ec2bfec..000000000
--- a/core/runtime/soft_numbers.odin
+++ /dev/null
@@ -1,112 +0,0 @@
-package runtime
-
-/*
-@(link_name="__multi3")
-__multi3 :: proc "c" (a, b: u128) -> u128 {
- bits_in_dword_2 :: size_of(i64) * 4;
- lower_mask :: u128(~u64(0) >> bits_in_dword_2);
-
-
- when ODIN_ENDIAN == "big" {
- TWords :: struct #raw_union {
- all: u128,
- using _: struct {lo, hi: u64},
- };
- } else {
- TWords :: struct #raw_union {
- all: u128,
- using _: struct {hi, lo: u64},
- };
- }
-
- r: TWords;
- t: u64;
-
- r.lo = u64(a & lower_mask) * u64(b & lower_mask);
- t = r.lo >> bits_in_dword_2;
- r.lo &= u64(lower_mask);
- t += u64(a >> bits_in_dword_2) * u64(b & lower_mask);
- r.lo += u64(t & u64(lower_mask)) << bits_in_dword_2;
- r.hi = t >> bits_in_dword_2;
- t = r.lo >> bits_in_dword_2;
- r.lo &= u64(lower_mask);
- t += u64(b >> bits_in_dword_2) * u64(a & lower_mask);
- r.lo += u64(t & u64(lower_mask)) << bits_in_dword_2;
- r.hi += t >> bits_in_dword_2;
- r.hi += u64(a >> bits_in_dword_2) * u64(b >> bits_in_dword_2);
- return r.all;
-}
-
-@(link_name="__umodti3")
-__u128_mod :: proc "c" (a, b: u128) -> u128 {
- r: u128;
- __u128_quo_mod(a, b, &r);
- return r;
-}
-
-@(link_name="__udivti3")
-__u128_quo :: proc "c" (a, b: u128) -> u128 {
- return __u128_quo_mod(a, b, nil);
-}
-
-@(link_name="__modti3")
-__i128_mod :: proc "c" (a, b: i128) -> i128 {
- r: i128;
- __i128_quo_mod(a, b, &r);
- return r;
-}
-
-@(link_name="__divti3")
-__i128_quo :: proc "c" (a, b: i128) -> i128 {
- return __i128_quo_mod(a, b, nil);
-}
-
-@(link_name="__divmodti4")
-__i128_quo_mod :: proc "c" (a, b: i128, rem: ^i128) -> (quo: i128) {
- s: i128;
- s = b >> 127;
- b = (b~s) - s;
- s = a >> 127;
- b = (a~s) - s;
-
- uquo: u128;
- urem := __u128_quo_mod(transmute(u128)a, transmute(u128)b, &uquo);
- iquo := transmute(i128)uquo;
- irem := transmute(i128)urem;
-
- iquo = (iquo~s) - s;
- irem = (irem~s) - s;
- if rem != nil do rem^ = irem;
- return iquo;
-}
-
-
-@(link_name="__udivmodti4")
-__u128_quo_mod :: proc "c" (a, b: u128, rem: ^u128) -> (quo: u128) {
- alo := u64(a);
- blo := u64(b);
- if b == 0 {
- if rem != nil do rem^ = 0;
- return u128(alo/blo);
- }
-
- r, d, x, q: u128 = a, b, 1, 0;
-
- for r >= d && (d>>127)&1 == 0 {
- x <<= 1;
- d <<= 1;
- }
-
- for x != 0 {
- if r >= d {
- r -= d;
- q |= x;
- }
- x >>= 1;
- d >>= 1;
- }
-
- if rem != nil do rem^ = r;
- return q;
-}
-*/