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|
#import "Basic";
#import "Compiler";
#import "Math";
// #run test_math_ext();
// TODO Comparing implementaitons using dump
// test_math_ext :: () { set_build_options_dc(.{do_output=false});
main :: () {
write_strings("=====================\n", "--- Test Math_Ext ---\n");
// Different signals: only works if signaled variable is higher.
/*
#run cena();
cena :: () {
a: s64 = -232;
b: u32 = 4;
c := a+b;
print("\n\n--- --- ---\ntttt : % : % + % = %\n--- --- ---\n\n", type_of(c), a, b, c);
}
*/
#import "Random";
add_test :: (x: $Tx, y: $Ty, r: $Tr, t: Type, o: bool) {
tr, to := add(cast(Tx)x, cast(Ty)y);
print("add(%): % + % = % : %\n", t, x, y, r, o);
if r != tr print(" > incorrect result value: got % expected %\n", tr, r);
if t != type_of(tr) print(" > incorrect result type: got % expected %\n", type_of(tr), t);
if o != to print(" > incorrect overflow flag: got % expected %\n", to, o);
}
// add_test(cast(u8)1, cast(u8)2, 3, u8, false);
// add_test(cast(u8)255, cast(u8)1, 255, u8, true);
add_test(cast( s8) S8_MAX, cast( s8)1, S8_MAX, s8, true);
add_test(cast(s16)S16_MAX, cast(s16)1, S16_MAX, s16, true);
add_test(cast(s32)S32_MAX, cast(s32)1, S32_MAX, s32, true);
add_test(cast(s64)S64_MAX, cast(s64)1, S64_MAX, s64, true);
// add_test(cast(s32)66, cast(s64)-2, 64, s64, false);
// add_test(cast(u32)66, cast(s64)4, 70, s64, false);
// add_test(cast(s32)S32_MAX, cast(s64)1, 2147483648, s64, false);
// add_test(cast(s32)S32_MAX, cast(s32)1, S32_MAX, s32, true);
// add_test(cast(s64)S64_MAX, cast(s64)0, S64_MAX, s64, false);
// add_test(cast(s64)9223372036854775806, cast(s64)1, S64_MAX, s64, false);
// add_test(cast(s64)9223372036854775806, cast(s64)2, S64_MAX, s64, true);
// add_test(cast(u8)7, cast(u8)1, 8, u8, false);
// add_test(cast(u8)U8_MAX, cast(u8)1, U8_MAX, u8, true);
// add_test(cast(u16)10, cast(u8)3, 13, u16, false);
// add_test(cast(u8)1, cast(u16)U16_MAX, U16_MAX, u16, true);
return;
/*
best_generic: float;
best_asm: float;
for 0..100 {
size, time_generic, time_asm := performance_test();
perf_generic := cast(float)size/cast(float)to_microseconds(time_generic);
perf_asm := cast(float)size/cast(float)to_microseconds(time_asm);
best_generic = max(best_generic, perf_generic);
best_asm = max(best_asm, perf_asm);
}
print("generic : %\nasm : %\n", best_generic, best_asm);
performance_test :: () -> sum_size: s64, time_generic: Apollo_Time, time_asm: Apollo_Time {
SUM_SIZE := 2000000;
numbers: [..] s64;
array_reserve(*numbers, SUM_SIZE);
for 0..SUM_SIZE-1 {
array_add(*numbers, cast(s64)random_get());
}
sum := 0;
start := current_time_monotonic();
for numbers sum = old_add(sum, it);
time := current_time_monotonic() - start;
sum_asm := 0;
start_asm := current_time_monotonic();
for numbers sum_asm = add(sum_asm, it);
time_asm := current_time_monotonic() - start_asm;
assert(sum == sum_asm);
return SUM_SIZE, time, time_asm;
}
*/
}
old_add :: (x: $Tx, y: $Ty) -> result: $Tr, overflow: bool // #dump
#modify {
type_info_x := cast(*Type_Info)Tx;
type_info_y := cast(*Type_Info)Ty;
if type_info_x.type != .INTEGER || type_info_y.type != .INTEGER return false, "Non integers values passed.";
tx := cast(*Type_Info_Integer)type_info_x;
ty := cast(*Type_Info_Integer)type_info_y;
largest_type :=
ifx tx.runtime_size > ty.runtime_size then Tx else
ifx ty.runtime_size > tx.runtime_size then Ty else
ifx tx.signed == ty.signed then Tx else
void;
// Only allow to add different signedness values if largest type is the signed one (as in JAI).
if tx.signed == ty.signed {
Tx = largest_type;
Ty = largest_type;
Tr = largest_type;
}
else if tx.signed && Tx == largest_type {
Ty = largest_type;
Tr = largest_type;
}
else if ty.signed && Ty == largest_type {
Tx = largest_type;
Tr = largest_type;
}
else return false, "Number signedness mismatch.";
print("old>tx:ty:%:%\n", Tx, Ty);
return true;
}
{
#if Tr == u64 { MAX :: U64_MAX; MIN :: 0; BITS :: 64; }
#if Tr == u32 { MAX :: U32_MAX; MIN :: 0; BITS :: 32; }
#if Tr == u16 { MAX :: U16_MAX; MIN :: 0; BITS :: 16; }
#if Tr == u8 { MAX :: U8_MAX; MIN :: 0; BITS :: 8; }
#if Tr == s64 { MAX :: S64_MAX; MIN :: S64_MIN; BITS :: 63; }
#if Tr == s32 { MAX :: S32_MAX; MIN :: S32_MIN; BITS :: 31; }
#if Tr == s16 { MAX :: S16_MAX; MIN :: S16_MIN; BITS :: 15; }
#if Tr == s8 { MAX :: S8_MAX; MIN :: S8_MIN; BITS :: 7; }
if (y > 0 && x > MAX - y) then return MAX, true;
if (y < 0 && x < MIN - y) then return MIN, true;
return x + y, false;
}
add :: (x: $Tx, y: $Ty) -> result: $Tr, overflow: bool #dump
#modify {
type_info_x := cast(*Type_Info)Tx;
type_info_y := cast(*Type_Info)Ty;
if type_info_x.type != .INTEGER || type_info_y.type != .INTEGER return false, "Non integers values passed.";
tx := cast(*Type_Info_Integer)type_info_x;
ty := cast(*Type_Info_Integer)type_info_y;
largest_type :=
ifx tx.runtime_size > ty.runtime_size then Tx else
ifx ty.runtime_size > tx.runtime_size then Ty else
ifx tx.signed == ty.signed then Tx else
void;
// Only allow to add different signedness values if largest type is the signed one (as in JAI).
if tx.signed == ty.signed {
Tx = largest_type;
Ty = largest_type;
Tr = largest_type;
}
else if tx.signed && Tx == largest_type {
Ty = largest_type;
Tr = largest_type;
}
else if ty.signed && Ty == largest_type {
Tx = largest_type;
Tr = largest_type;
}
else return false, "Number signedness mismatch.";
print(">tx:ty:%:%\n", Tx, Ty);
return true;
}
{
#if Tr == u64 { MAX :: U64_MAX; MIN :: 0; BITS :: 64; }
#if Tr == u32 { MAX :: U32_MAX; MIN :: 0; BITS :: 32; }
#if Tr == u16 { MAX :: U16_MAX; MIN :: 0; BITS :: 16; }
#if Tr == u8 { MAX :: U8_MAX; MIN :: 0; BITS :: 8; }
#if Tr == s64 { MAX :: S64_MAX; MIN :: S64_MIN; BITS :: 63; }
#if Tr == s32 { MAX :: S32_MAX; MIN :: S32_MIN; BITS :: 31; }
#if Tr == s16 { MAX :: S16_MAX; MIN :: S16_MIN; BITS :: 15; }
#if Tr == s8 { MAX :: S8_MAX; MIN :: S8_MIN; BITS :: 7; }
#if CPU != .X64 {
if (y > 0 && x > MAX - y) then return MAX, true;
if (y < 0 && x < MIN - y) then return MIN, true;
return x + y, false;
} else {
result: Tr = ---;
overflow: bool = ---;
#import "String";
ADD_ASM :: #string DONE
#asm { // s8
x === a;
y === b;
mov max: gpr === d, MAX;
mov.SIZE c: gpr === c, x; // TODO Not using .b was erroing.
shr c, BITS;
add c, max;
add.SIZE x, y; // add.b for 8bits
cmovo x, c;
seto overflow;
mov result, x;
}
DONE
#if Tr == s8
#insert #run replace(replace(replace(ADD_ASM, ".SIZE", ".b"), "MAX", "127"), "BITS", "7");
#if Tr == s16
#insert #run replace(replace(replace(ADD_ASM, ".SIZE", ".w"), "MAX", "32767"), "BITS", "15");
#if Tr == s32
#insert #run replace(replace(replace(ADD_ASM, ".SIZE", ".d"), "MAX", "2147483647"), "BITS", "31");
#if Tr == s64
#insert #run replace(replace(replace(ADD_ASM, ".SIZE", ".q"), "MAX", "9223372036854775807"), "BITS", "63");
// TODO
// WIP - doing a similar process for unsigned saturation add
else #if Tr == u8 {
#asm { // u8
x === a;
y === b;
d: gpr;
add.b x, y; // add.b for 8bits
setc overflow;
sbb d, d;
or d, x;
mov result, d;
}
}
else #if Tr == u16 {
#asm { // u16
x === a;
y === b;
d: gpr;
add.w x, y; // add.w for 16bits
setc overflow;
sbb d, d;
or d, x;
mov result, d;
}
}
// #asm { // s8
// x === a;
// y === b;
// mov d: gpr === d, MAX;
// mov.b c: gpr === c, x; // TODO Not using .b was erroing.
// shr c, BITS;
// add c, d;
// add.b x, y; // add.b for 8bits
// cmovo x, c;
// seto overflow;
// mov result, x;
// }
// }
/*
else #if Tr == s32 {
#asm { // s32
x === a;
y === b;
mov d: gpr === d, MAX;
mov.d c: gpr === c, x;
shr c, BITS;
add c, d;
add.d x, y; // add.d for 32bits
cmovo x, c;
seto overflow;
mov result, x;
}
}
else #if Tr == s64 {
#asm { // s64
x === a;
y === b;
mov d: gpr === d, MAX;
mov c: gpr === c, x;
shr c, BITS;
add c, d;
// add.b x, y; // 8bits
// add.w x, y; // 16bits
// add.d x, y; // 32bits
// add.q x, y; // 64bits
add x, y;
cmovo x, c;
seto overflow;
mov result, x;
}
}
else #if Tr == u8 {
#asm { // u8
x === a;
y === b;
d: gpr;
add.b x, y; // add.b for 8bits
setc overflow;
sbb d, d;
or d, x;
mov result, d;
}
}
else #if Tr == u16 {
#asm { // u16
x === a;
y === b;
d: gpr;
add.w x, y; // add.w for 16bits
setc overflow;
sbb d, d;
or d, x;
mov result, d;
}
}
*/
return result, overflow;
}
}
sub :: (x: $Tx, y: $Ty) -> result: $Tr, overflow: bool //#dump
#modify {
return true;
}
{
#if CPU != .X64 {
if (y < 0 && x > S64_MAX + y) then return S64_MAX, true;
if (y > 0 && x < S64_MIN + y) then return S64_MIN, true;
return x - y, false;
} else {
return x + y, false; // TODO Implement me please.
}
}
|
