// Run-time:
// status: 0
-#![feature(arbitrary_self_types, auto_traits, core_intrinsics, lang_items, start, intrinsics)]
+#![feature(bench_black_box, const_black_box, core_intrinsics, start)]
#![no_std]
-mod intrinsics {
- extern "rust-intrinsic" {
- pub fn abort() -> !;
- }
+#[panic_handler]
+fn panic_handler(_: &core::panic::PanicInfo) -> ! {
+ core::intrinsics::abort();
}
/*
- * Core
+ * Code
*/
-mod libc {
- #[link(name = "c")]
- extern "C" {
- pub fn puts(s: *const u8) -> i32;
+#[start]
+fn main(_argc: isize, _argv: *const *const u8) -> isize {
+ use core::hint::black_box;
+
+ macro_rules! check {
+ ($ty:ty, $expr:expr) => {
+ {
+ const EXPECTED: $ty = $expr;
+ assert_eq!($expr, EXPECTED);
+ }
+ };
}
-}
-#[panic_handler]
-fn panic_handler(_: &core::panic::PanicInfo) -> ! {
- unsafe {
- core::intrinsics::abort();
+ check!(u32, (2220326408_u32 + black_box(1)) >> (32 - 6));
+
+ /// Generate `check!` tests for integer types at least as wide as 128 bits.
+ macro_rules! check_ops128 {
+ () => {
+ check_ops64!();
+
+ // Shifts.
+ check!(T, VAL1 << black_box(64));
+ check!(T, VAL1 << black_box(81));
+ check!(T, VAL3 << black_box(63));
+ check!(T, VAL3 << black_box(64));
+
+ check!(T, VAL1 >> black_box(64));
+ check!(T, VAL2 >> black_box(64));
+ check!(T, VAL3 >> black_box(64));
+ check!(T, VAL3 >> black_box(81));
+ };
}
-}
-/*
- * Code
- */
+ /// Generate `check!` tests for integer types at least as wide as 64 bits.
+ macro_rules! check_ops64 {
+ () => {
+ check_ops32!();
+
+ // Shifts.
+ check!(T, VAL2 << black_box(33));
+ check!(T, VAL2 << black_box(49));
+ check!(T, VAL2 << black_box(61));
+ check!(T, VAL2 << black_box(63));
+
+ check!(T, VAL3 << black_box(33));
+ check!(T, VAL3 << black_box(49));
+ check!(T, VAL3 << black_box(61));
+
+ check!(T, VAL1 >> black_box(33));
+ check!(T, VAL1 >> black_box(49));
+ check!(T, VAL1 >> black_box(61));
+ check!(T, VAL1 >> black_box(63));
+
+ check!(T, VAL2 >> black_box(33));
+ check!(T, VAL2 >> black_box(49));
+ check!(T, VAL2 >> black_box(61));
+ check!(T, VAL2 >> black_box(63));
+
+ check!(T, VAL3 >> black_box(33));
+ check!(T, VAL3 >> black_box(49));
+ check!(T, VAL3 >> black_box(61));
+ check!(T, VAL3 >> black_box(63));
+ };
+ }
-#[start]
-fn main(argc: isize, _argv: *const *const u8) -> isize {
- let var = 134217856_u128;
- let var2 = 10475372733397991552_u128;
- let var3 = 193236519889708027473620326106273939584_u128;
- let var4 = 123236519889708027473620326106273939584_u128;
- let var5 = 153236519889708027473620326106273939584_u128;
- let var6 = 18446744073709551616_i128;
- let var7 = 170141183460469231731687303715884105728_u128;
-
- // Shifts.
- assert_eq!(var << (argc as u128 - 1), var);
- assert_eq!(var << argc as u128, 268435712);
- assert_eq!(var << (argc + 32) as u128, 1152922604118474752);
- assert_eq!(var << (argc + 48) as u128, 75557935783508361347072);
- assert_eq!(var << (argc + 60) as u128, 309485304969250248077606912);
- assert_eq!(var << (argc + 62) as u128, 1237941219877000992310427648);
- assert_eq!(var << (argc + 63) as u128, 2475882439754001984620855296);
- assert_eq!(var << (argc + 80) as u128, 324518863143436548128224745357312);
-
- assert_eq!(var2 << argc as u128, 20950745466795983104);
- assert_eq!(var2 << (argc as u128 - 1), var2);
- assert_eq!(var2 << (argc + 32) as u128, 89982766606709001335848566784);
- assert_eq!(var2 << (argc + 48) as u128, 5897110592337281111546171672756224);
- assert_eq!(var2 << (argc + 60) as u128, 24154564986213503432893119171609493504);
- assert_eq!(var2 << (argc + 62) as u128, 96618259944854013731572476686437974016);
- assert_eq!(var2 << (argc + 63) as u128, 193236519889708027463144953372875948032);
-
- assert_eq!(var3 << argc as u128, 46190672858477591483866044780779667712);
- assert_eq!(var3 << (argc as u128 - 1), var3);
- assert_eq!(var3 << (argc + 32) as u128, 21267668304951024224840338247585366016);
- assert_eq!(var3 << (argc + 48) as u128, 1335125106377253154015353231953100800);
- assert_eq!(var3 << (argc + 60) as u128, 24154564986213503432893119171609493504);
- assert_eq!(var3 << (argc + 62) as u128, 96618259944854013731572476686437974016);
- assert_eq!(var3 << (argc + 63) as u128, 193236519889708027463144953372875948032);
-
- assert_eq!((2220326408_u32 + argc as u32) >> (32 - 6), 33);
-
- assert_eq!(var >> (argc as u128 - 1), var);
- assert_eq!(var >> argc as u128, 67108928);
- assert_eq!(var >> (argc + 32) as u128, 0);
- assert_eq!(var >> (argc + 48) as u128, 0);
- assert_eq!(var >> (argc + 60) as u128, 0);
- assert_eq!(var >> (argc + 62) as u128, 0);
- assert_eq!(var >> (argc + 63) as u128, 0);
-
- assert_eq!(var2 >> argc as u128, 5237686366698995776);
- assert_eq!(var2 >> (argc as u128 - 1), var2);
- assert_eq!(var2 >> (argc + 32) as u128, 1219493888);
- assert_eq!(var2 >> (argc + 48) as u128, 18608);
- assert_eq!(var2 >> (argc + 60) as u128, 4);
- assert_eq!(var2 >> (argc + 62) as u128, 1);
- assert_eq!(var2 >> (argc + 63) as u128, 0);
-
- assert_eq!(var3 >> (argc as u128 - 1), var3);
- assert_eq!(var3 >> argc as u128, 96618259944854013736810163053136969792);
- assert_eq!(var3 >> (argc + 32) as u128, 22495691651677250335181635584);
- assert_eq!(var3 >> (argc + 48) as u128, 343257013727985387194544);
- assert_eq!(var3 >> (argc + 60) as u128, 83802981867183932420);
- assert_eq!(var3 >> (argc + 62) as u128, 20950745466795983105);
- assert_eq!(var3 >> (argc + 63) as u128, 10475372733397991552);
- assert_eq!(var3 >> (argc + 80) as u128, 79920751444992);
-
- assert_eq!(var6 >> argc as u128, 9223372036854775808);
- assert_eq!((var6 - 1) >> argc as u128, 9223372036854775807);
- assert_eq!(var7 >> argc as u128, 85070591730234615865843651857942052864);
-
- // Casts
- assert_eq!((var >> (argc + 32) as u128) as u64, 0);
- assert_eq!((var >> argc as u128) as u64, 67108928);
-
- // Addition.
- assert_eq!(var + argc as u128, 134217857);
-
- assert_eq!(var2 + argc as u128, 10475372733397991553);
- assert_eq!(var2 + (var2 + argc as u128) as u128, 20950745466795983105);
-
- assert_eq!(var3 + argc as u128, 193236519889708027473620326106273939585);
-
- // Subtraction
- assert_eq!(var - argc as u128, 134217855);
-
- assert_eq!(var2 - argc as u128, 10475372733397991551);
-
- assert_eq!(var3 - argc as u128, 193236519889708027473620326106273939583);
-
- // Multiplication
- assert_eq!(var * (argc + 1) as u128, 268435712);
- assert_eq!(var * (argc as u128 + var2), 1405982069077538020949770368);
-
- assert_eq!(var2 * (argc + 1) as u128, 20950745466795983104);
- assert_eq!(var2 * (argc as u128 + var2), 109733433903618109003204073240861360256);
-
- assert_eq!(var3 * argc as u128, 193236519889708027473620326106273939584);
-
- assert_eq!(var4 * (argc + 1) as u128, 246473039779416054947240652212547879168);
-
- assert_eq!(var5 * (argc + 1) as u128, 306473039779416054947240652212547879168);
-
- // Division.
- assert_eq!(var / (argc + 1) as u128, 67108928);
- assert_eq!(var / (argc + 2) as u128, 44739285);
-
- assert_eq!(var2 / (argc + 1) as u128, 5237686366698995776);
- assert_eq!(var2 / (argc + 2) as u128, 3491790911132663850);
-
- assert_eq!(var3 / (argc + 1) as u128, 96618259944854013736810163053136969792);
- assert_eq!(var3 / (argc + 2) as u128, 64412173296569342491206775368757979861);
- assert_eq!(var3 / (argc as u128 + var4), 1);
- assert_eq!(var3 / (argc as u128 + var2), 18446744073709551615);
-
- assert_eq!(var4 / (argc + 1) as u128, 61618259944854013736810163053136969792);
- assert_eq!(var4 / (argc + 2) as u128, 41078839963236009157873442035424646528);
+ /// Generate `check!` tests for integer types at least as wide as 32 bits.
+ macro_rules! check_ops32 {
+ () => {
+ // Shifts.
+ check!(T, VAL2 << black_box(1));
+ check!(T, VAL2 << black_box(0));
+
+ check!(T, VAL3 << black_box(1));
+ check!(T, VAL3 << black_box(0));
+
+ check!(T, VAL1.wrapping_shl(black_box(0)));
+ check!(T, VAL1.wrapping_shl(black_box(1)));
+ check!(T, VAL1.wrapping_shl(black_box(33)));
+ check!(T, VAL1.wrapping_shl(black_box(49)));
+ check!(T, VAL1.wrapping_shl(black_box(61)));
+ check!(T, VAL1.wrapping_shl(black_box(63)));
+ check!(T, VAL1.wrapping_shl(black_box(64)));
+ check!(T, VAL1.wrapping_shl(black_box(81)));
+
+ check!(Option<T>, VAL1.checked_shl(black_box(0)));
+ check!(Option<T>, VAL1.checked_shl(black_box(1)));
+ check!(Option<T>, VAL1.checked_shl(black_box(33)));
+ check!(Option<T>, VAL1.checked_shl(black_box(49)));
+ check!(Option<T>, VAL1.checked_shl(black_box(61)));
+ check!(Option<T>, VAL1.checked_shl(black_box(63)));
+ check!(Option<T>, VAL1.checked_shl(black_box(64)));
+ check!(Option<T>, VAL1.checked_shl(black_box(81)));
+
+ check!(T, VAL1 >> black_box(0));
+ check!(T, VAL1 >> black_box(1));
+
+ check!(T, VAL2 >> black_box(1));
+ check!(T, VAL2 >> black_box(0));
+
+ check!(T, VAL3 >> black_box(0));
+ check!(T, VAL3 >> black_box(1));
+
+ check!(T, VAL1.wrapping_shr(black_box(0)));
+ check!(T, VAL1.wrapping_shr(black_box(1)));
+ check!(T, VAL1.wrapping_shr(black_box(33)));
+ check!(T, VAL1.wrapping_shr(black_box(49)));
+ check!(T, VAL1.wrapping_shr(black_box(61)));
+ check!(T, VAL1.wrapping_shr(black_box(63)));
+ check!(T, VAL1.wrapping_shr(black_box(64)));
+ check!(T, VAL1.wrapping_shr(black_box(81)));
+
+ check!(Option<T>, VAL1.checked_shr(black_box(0)));
+ check!(Option<T>, VAL1.checked_shr(black_box(1)));
+ check!(Option<T>, VAL1.checked_shr(black_box(33)));
+ check!(Option<T>, VAL1.checked_shr(black_box(49)));
+ check!(Option<T>, VAL1.checked_shr(black_box(61)));
+ check!(Option<T>, VAL1.checked_shr(black_box(63)));
+ check!(Option<T>, VAL1.checked_shr(black_box(64)));
+ check!(Option<T>, VAL1.checked_shr(black_box(81)));
+
+ // Casts
+ check!(u64, (VAL1 >> black_box(1)) as u64);
+
+ // Addition.
+ check!(T, VAL1 + black_box(1));
+ check!(T, VAL2 + black_box(1));
+ check!(T, VAL2 + (VAL2 + black_box(1)));
+ check!(T, VAL3 + black_box(1));
+
+ check!(Option<T>, VAL1.checked_add(black_box(1)));
+ check!(Option<T>, VAL2.checked_add(black_box(1)));
+ check!(Option<T>, VAL2.checked_add(VAL2 + black_box(1)));
+ check!(Option<T>, VAL3.checked_add(T::MAX));
+ check!(Option<T>, VAL3.checked_add(T::MIN));
+
+ check!(T, VAL1.wrapping_add(black_box(1)));
+ check!(T, VAL2.wrapping_add(black_box(1)));
+ check!(T, VAL2.wrapping_add(VAL2 + black_box(1)));
+ check!(T, VAL3.wrapping_add(T::MAX));
+ check!(T, VAL3.wrapping_add(T::MIN));
+
+ check!((T, bool), VAL1.overflowing_add(black_box(1)));
+ check!((T, bool), VAL2.overflowing_add(black_box(1)));
+ check!((T, bool), VAL2.overflowing_add(VAL2 + black_box(1)));
+ check!((T, bool), VAL3.overflowing_add(T::MAX));
+ check!((T, bool), VAL3.overflowing_add(T::MIN));
+
+ check!(T, VAL1.saturating_add(black_box(1)));
+ check!(T, VAL2.saturating_add(black_box(1)));
+ check!(T, VAL2.saturating_add(VAL2 + black_box(1)));
+ check!(T, VAL3.saturating_add(T::MAX));
+ check!(T, VAL3.saturating_add(T::MIN));
+
+ // Subtraction
+ check!(T, VAL1 - black_box(1));
+ check!(T, VAL2 - black_box(1));
+ check!(T, VAL3 - black_box(1));
+
+ check!(Option<T>, VAL1.checked_sub(black_box(1)));
+ check!(Option<T>, VAL2.checked_sub(black_box(1)));
+ check!(Option<T>, VAL2.checked_sub(VAL2 + black_box(1)));
+ check!(Option<T>, VAL3.checked_sub(T::MAX));
+ check!(Option<T>, VAL3.checked_sub(T::MIN));
+
+ check!(T, VAL1.wrapping_sub(black_box(1)));
+ check!(T, VAL2.wrapping_sub(black_box(1)));
+ check!(T, VAL2.wrapping_sub(VAL2 + black_box(1)));
+ check!(T, VAL3.wrapping_sub(T::MAX));
+ check!(T, VAL3.wrapping_sub(T::MIN));
+
+ check!((T, bool), VAL1.overflowing_sub(black_box(1)));
+ check!((T, bool), VAL2.overflowing_sub(black_box(1)));
+ check!((T, bool), VAL2.overflowing_sub(VAL2 + black_box(1)));
+ check!((T, bool), VAL3.overflowing_sub(T::MAX));
+ check!((T, bool), VAL3.overflowing_sub(T::MIN));
+
+ check!(T, VAL1.saturating_sub(black_box(1)));
+ check!(T, VAL2.saturating_sub(black_box(1)));
+ check!(T, VAL2.saturating_sub(VAL2 + black_box(1)));
+ check!(T, VAL3.saturating_sub(T::MAX));
+ check!(T, VAL3.saturating_sub(T::MIN));
+
+ // Multiplication
+ check!(T, VAL1 * black_box(2));
+ check!(T, VAL1 * (black_box(1) + VAL2));
+ check!(T, VAL2 * black_box(2));
+ check!(T, VAL2 * (black_box(1) + VAL2));
+ check!(T, VAL3 * black_box(1));
+ check!(T, VAL4 * black_box(2));
+ check!(T, VAL5 * black_box(2));
+
+ check!(Option<T>, VAL1.checked_mul(black_box(2)));
+ check!(Option<T>, VAL1.checked_mul(black_box(1) + VAL2));
+ check!(Option<T>, VAL3.checked_mul(VAL3));
+ check!(Option<T>, VAL4.checked_mul(black_box(2)));
+ check!(Option<T>, VAL5.checked_mul(black_box(2)));
+
+ check!(T, VAL1.wrapping_mul(black_box(2)));
+ check!(T, VAL1.wrapping_mul((black_box(1) + VAL2)));
+ check!(T, VAL3.wrapping_mul(VAL3));
+ check!(T, VAL4.wrapping_mul(black_box(2)));
+ check!(T, VAL5.wrapping_mul(black_box(2)));
+
+ check!((T, bool), VAL1.overflowing_mul(black_box(2)));
+ check!((T, bool), VAL1.overflowing_mul(black_box(1) + VAL2));
+ check!((T, bool), VAL3.overflowing_mul(VAL3));
+ check!((T, bool), VAL4.overflowing_mul(black_box(2)));
+ check!((T, bool), VAL5.overflowing_mul(black_box(2)));
+
+ check!(T, VAL1.saturating_mul(black_box(2)));
+ check!(T, VAL1.saturating_mul(black_box(1) + VAL2));
+ check!(T, VAL3.saturating_mul(VAL3));
+ check!(T, VAL4.saturating_mul(black_box(2)));
+ check!(T, VAL5.saturating_mul(black_box(2)));
+
+ // Division.
+ check!(T, VAL1 / black_box(2));
+ check!(T, VAL1 / black_box(3));
+
+ check!(T, VAL2 / black_box(2));
+ check!(T, VAL2 / black_box(3));
+
+ check!(T, VAL3 / black_box(2));
+ check!(T, VAL3 / black_box(3));
+ check!(T, VAL3 / (black_box(1) + VAL4));
+ check!(T, VAL3 / (black_box(1) + VAL2));
+
+ check!(T, VAL4 / black_box(2));
+ check!(T, VAL4 / black_box(3));
+
+ check!(Option<T>, VAL1.checked_div(black_box(2)));
+ check!(Option<T>, VAL1.checked_div(black_box(1) + VAL2));
+ check!(Option<T>, VAL3.checked_div(VAL3));
+ check!(Option<T>, VAL4.checked_div(black_box(2)));
+ check!(Option<T>, VAL5.checked_div(black_box(2)));
+ check!(Option<T>, (T::MIN).checked_div(black_box(0 as T).wrapping_sub(1)));
+ check!(Option<T>, VAL5.checked_div(black_box(0))); // var5 / 0
+
+ check!(T, VAL1.wrapping_div(black_box(2)));
+ check!(T, VAL1.wrapping_div(black_box(1) + VAL2));
+ check!(T, VAL3.wrapping_div(VAL3));
+ check!(T, VAL4.wrapping_div(black_box(2)));
+ check!(T, VAL5.wrapping_div(black_box(2)));
+ check!(T, (T::MIN).wrapping_div(black_box(0 as T).wrapping_sub(1)));
+
+ check!((T, bool), VAL1.overflowing_div(black_box(2)));
+ check!((T, bool), VAL1.overflowing_div(black_box(1) + VAL2));
+ check!((T, bool), VAL3.overflowing_div(VAL3));
+ check!((T, bool), VAL4.overflowing_div(black_box(2)));
+ check!((T, bool), VAL5.overflowing_div(black_box(2)));
+ check!((T, bool), (T::MIN).overflowing_div(black_box(0 as T).wrapping_sub(1)));
+
+ check!(T, VAL1.saturating_div(black_box(2)));
+ check!(T, VAL1.saturating_div((black_box(1) + VAL2)));
+ check!(T, VAL3.saturating_div(VAL3));
+ check!(T, VAL4.saturating_div(black_box(2)));
+ check!(T, VAL5.saturating_div(black_box(2)));
+ check!(T, (T::MIN).saturating_div((0 as T).wrapping_sub(black_box(1))));
+ };
+ }
+
+ {
+ type T = u32;
+ const VAL1: T = 14162_u32;
+ const VAL2: T = 14556_u32;
+ const VAL3: T = 323656954_u32;
+ const VAL4: T = 2023651954_u32;
+ const VAL5: T = 1323651954_u32;
+ check_ops32!();
+ }
+
+ {
+ type T = i32;
+ const VAL1: T = 13456_i32;
+ const VAL2: T = 10475_i32;
+ const VAL3: T = 923653954_i32;
+ const VAL4: T = 993198738_i32;
+ const VAL5: T = 1023653954_i32;
+ check_ops32!();
+ }
+
+ {
+ type T = u64;
+ const VAL1: T = 134217856_u64;
+ const VAL2: T = 104753732_u64;
+ const VAL3: T = 12323651988970863954_u64;
+ const VAL4: T = 7323651988970863954_u64;
+ const VAL5: T = 8323651988970863954_u64;
+ check_ops64!();
+ }
+
+ {
+ type T = i64;
+ const VAL1: T = 134217856_i64;
+ const VAL2: T = 104753732_i64;
+ const VAL3: T = 6323651988970863954_i64;
+ const VAL4: T = 2323651988970863954_i64;
+ const VAL5: T = 3323651988970863954_i64;
+ check_ops64!();
+ }
+
+ {
+ type T = u128;
+ const VAL1: T = 134217856_u128;
+ const VAL2: T = 10475372733397991552_u128;
+ const VAL3: T = 193236519889708027473620326106273939584_u128;
+ const VAL4: T = 123236519889708027473620326106273939584_u128;
+ const VAL5: T = 153236519889708027473620326106273939584_u128;
+ check_ops128!();
+ }
+ {
+ type T = i128;
+ const VAL1: T = 134217856_i128;
+ const VAL2: T = 10475372733397991552_i128;
+ const VAL3: T = 83236519889708027473620326106273939584_i128;
+ const VAL4: T = 63236519889708027473620326106273939584_i128;
+ const VAL5: T = 73236519889708027473620326106273939584_i128;
+ check_ops128!();
+ }
0
}
projects / rust.git / blobdiff