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|
#![allow(unused_macros)]
#![cfg_attr(f16_enabled, feature(f16))]
#![cfg_attr(f128_enabled, feature(f128))]
use builtins_test::*;
mod int_addsub {
use super::*;
macro_rules! sum {
($($i:ty, $fn_add:ident, $fn_sub:ident);*;) => {
$(
#[test]
fn $fn_add() {
use compiler_builtins::int::addsub::{$fn_add, $fn_sub};
fuzz_2(N, |x: $i, y: $i| {
let add0 = x.wrapping_add(y);
let sub0 = x.wrapping_sub(y);
let add1: $i = $fn_add(x, y);
let sub1: $i = $fn_sub(x, y);
if add0 != add1 {
panic!(
"{}({}, {}): std: {}, builtins: {}",
stringify!($fn_add), x, y, add0, add1
);
}
if sub0 != sub1 {
panic!(
"{}({}, {}): std: {}, builtins: {}",
stringify!($fn_sub), x, y, sub0, sub1
);
}
});
}
)*
};
}
macro_rules! overflowing_sum {
($($i:ty, $fn_add:ident, $fn_sub:ident);*;) => {
$(
#[test]
fn $fn_add() {
use compiler_builtins::int::addsub::{$fn_add, $fn_sub};
fuzz_2(N, |x: $i, y: $i| {
let (add0, add_o0)= x.overflowing_add(y);
let (sub0, sub_o0)= x.overflowing_sub(y);
let mut add_o1 = 0;
let mut sub_o1 = 0;
let add1: $i = $fn_add(x, y, &mut add_o1);
let sub1: $i = $fn_sub(x, y, &mut sub_o1);
if add0 != add1 || i32::from(add_o0) != add_o1 {
panic!(
"{}({}, {}): std: {:?}, builtins: {:?}",
stringify!($fn_add), x, y, (add0, add_o0) , (add1, add_o1)
);
}
if sub0 != sub1 || i32::from(sub_o0) != sub_o1 {
panic!(
"{}({}, {}): std: {:?}, builtins: {:?}",
stringify!($fn_sub), x, y, (sub0, sub_o0) , (sub1, sub_o1)
);
}
});
}
)*
};
}
// Integer addition and subtraction is very simple, so 100 fuzzing passes should be plenty.
sum! {
u128, __rust_u128_add, __rust_u128_sub;
i128, __rust_i128_add, __rust_i128_sub;
}
overflowing_sum! {
u128, __rust_u128_addo, __rust_u128_subo;
i128, __rust_i128_addo, __rust_i128_subo;
}
}
macro_rules! float_sum {
($($f:ty, $fn_add:ident, $fn_sub:ident, $apfloat_ty:ident, $sys_available:meta);*;) => {
$(
#[test]
fn $fn_add() {
use core::ops::{Add, Sub};
use compiler_builtins::float::{{add::$fn_add, sub::$fn_sub}, Float};
fuzz_float_2(N, |x: $f, y: $f| {
let add0 = apfloat_fallback!($f, $apfloat_ty, $sys_available, Add::add, x, y);
let sub0 = apfloat_fallback!($f, $apfloat_ty, $sys_available, Sub::sub, x, y);
let add1: $f = $fn_add(x, y);
let sub1: $f = $fn_sub(x, y);
if !Float::eq_repr(add0, add1) {
panic!(
"{}({:?}, {:?}): std: {:?}, builtins: {:?}",
stringify!($fn_add), x, y, add0, add1
);
}
if !Float::eq_repr(sub0, sub1) {
panic!(
"{}({:?}, {:?}): std: {:?}, builtins: {:?}",
stringify!($fn_sub), x, y, sub0, sub1
);
}
});
}
)*
}
}
#[cfg(not(x86_no_sse))]
mod float_addsub {
use super::*;
#[cfg(f16_enabled)]
float_sum! {
f16, __addhf3, __subhf3, Half, all();
}
float_sum! {
f32, __addsf3, __subsf3, Single, all();
f64, __adddf3, __subdf3, Double, all();
}
#[cfg(f128_enabled)]
#[cfg(not(x86_no_sse))]
#[cfg(not(any(target_arch = "powerpc", target_arch = "powerpc64")))]
float_sum! {
f128, __addtf3, __subtf3, Quad, not(feature = "no-sys-f128");
}
#[cfg(f128_enabled)]
#[cfg(any(target_arch = "powerpc", target_arch = "powerpc64"))]
float_sum! {
f128, __addkf3, __subkf3, Quad, not(feature = "no-sys-f128");
}
}
|
