Merge commit 'e8dca3e87d' into sync_from_cg_gcc
This commit is contained in:
Antoni Boucher
commit
3fac982e07
41 changed files with 7933 additions and 592 deletions
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@ -3,32 +3,13 @@
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// Run-time:
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// status: 0
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#![feature(arbitrary_self_types, auto_traits, core_intrinsics, lang_items, start, intrinsics)]
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#![feature(bench_black_box, const_black_box, core_intrinsics, start)]
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#![no_std]
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mod intrinsics {
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extern "rust-intrinsic" {
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pub fn abort() -> !;
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}
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}
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/*
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* Core
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*/
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mod libc {
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#[link(name = "c")]
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extern "C" {
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pub fn puts(s: *const u8) -> i32;
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}
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}
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#[panic_handler]
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fn panic_handler(_: &core::panic::PanicInfo) -> ! {
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unsafe {
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core::intrinsics::abort();
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}
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core::intrinsics::abort();
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}
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/*
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@ -36,118 +17,324 @@ fn panic_handler(_: &core::panic::PanicInfo) -> ! {
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*/
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#[start]
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fn main(argc: isize, _argv: *const *const u8) -> isize {
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let var = 134217856_u128;
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let var2 = 10475372733397991552_u128;
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let var3 = 193236519889708027473620326106273939584_u128;
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let var4 = 123236519889708027473620326106273939584_u128;
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let var5 = 153236519889708027473620326106273939584_u128;
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let var6 = 18446744073709551616_i128;
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let var7 = 170141183460469231731687303715884105728_u128;
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fn main(_argc: isize, _argv: *const *const u8) -> isize {
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use core::hint::black_box;
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// Shifts.
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assert_eq!(var << (argc as u128 - 1), var);
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assert_eq!(var << argc as u128, 268435712);
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assert_eq!(var << (argc + 32) as u128, 1152922604118474752);
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assert_eq!(var << (argc + 48) as u128, 75557935783508361347072);
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assert_eq!(var << (argc + 60) as u128, 309485304969250248077606912);
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assert_eq!(var << (argc + 62) as u128, 1237941219877000992310427648);
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assert_eq!(var << (argc + 63) as u128, 2475882439754001984620855296);
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assert_eq!(var << (argc + 80) as u128, 324518863143436548128224745357312);
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macro_rules! check {
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($ty:ty, $expr:expr) => {
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{
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const EXPECTED: $ty = $expr;
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assert_eq!($expr, EXPECTED);
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}
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};
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}
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assert_eq!(var2 << argc as u128, 20950745466795983104);
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assert_eq!(var2 << (argc as u128 - 1), var2);
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assert_eq!(var2 << (argc + 32) as u128, 89982766606709001335848566784);
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assert_eq!(var2 << (argc + 48) as u128, 5897110592337281111546171672756224);
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assert_eq!(var2 << (argc + 60) as u128, 24154564986213503432893119171609493504);
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assert_eq!(var2 << (argc + 62) as u128, 96618259944854013731572476686437974016);
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assert_eq!(var2 << (argc + 63) as u128, 193236519889708027463144953372875948032);
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check!(u32, (2220326408_u32 + black_box(1)) >> (32 - 6));
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assert_eq!(var3 << argc as u128, 46190672858477591483866044780779667712);
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assert_eq!(var3 << (argc as u128 - 1), var3);
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assert_eq!(var3 << (argc + 32) as u128, 21267668304951024224840338247585366016);
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assert_eq!(var3 << (argc + 48) as u128, 1335125106377253154015353231953100800);
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assert_eq!(var3 << (argc + 60) as u128, 24154564986213503432893119171609493504);
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assert_eq!(var3 << (argc + 62) as u128, 96618259944854013731572476686437974016);
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assert_eq!(var3 << (argc + 63) as u128, 193236519889708027463144953372875948032);
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/// Generate `check!` tests for integer types at least as wide as 128 bits.
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macro_rules! check_ops128 {
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() => {
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check_ops64!();
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assert_eq!((2220326408_u32 + argc as u32) >> (32 - 6), 33);
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// Shifts.
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check!(T, VAL1 << black_box(64));
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check!(T, VAL1 << black_box(81));
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check!(T, VAL3 << black_box(63));
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check!(T, VAL3 << black_box(64));
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assert_eq!(var >> (argc as u128 - 1), var);
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assert_eq!(var >> argc as u128, 67108928);
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assert_eq!(var >> (argc + 32) as u128, 0);
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assert_eq!(var >> (argc + 48) as u128, 0);
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assert_eq!(var >> (argc + 60) as u128, 0);
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assert_eq!(var >> (argc + 62) as u128, 0);
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assert_eq!(var >> (argc + 63) as u128, 0);
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check!(T, VAL1 >> black_box(64));
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check!(T, VAL2 >> black_box(64));
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check!(T, VAL3 >> black_box(64));
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check!(T, VAL3 >> black_box(81));
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};
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}
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assert_eq!(var2 >> argc as u128, 5237686366698995776);
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assert_eq!(var2 >> (argc as u128 - 1), var2);
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assert_eq!(var2 >> (argc + 32) as u128, 1219493888);
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assert_eq!(var2 >> (argc + 48) as u128, 18608);
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assert_eq!(var2 >> (argc + 60) as u128, 4);
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assert_eq!(var2 >> (argc + 62) as u128, 1);
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assert_eq!(var2 >> (argc + 63) as u128, 0);
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/// Generate `check!` tests for integer types at least as wide as 64 bits.
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macro_rules! check_ops64 {
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() => {
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check_ops32!();
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assert_eq!(var3 >> (argc as u128 - 1), var3);
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assert_eq!(var3 >> argc as u128, 96618259944854013736810163053136969792);
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assert_eq!(var3 >> (argc + 32) as u128, 22495691651677250335181635584);
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assert_eq!(var3 >> (argc + 48) as u128, 343257013727985387194544);
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assert_eq!(var3 >> (argc + 60) as u128, 83802981867183932420);
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assert_eq!(var3 >> (argc + 62) as u128, 20950745466795983105);
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assert_eq!(var3 >> (argc + 63) as u128, 10475372733397991552);
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assert_eq!(var3 >> (argc + 80) as u128, 79920751444992);
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// Shifts.
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check!(T, VAL2 << black_box(33));
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check!(T, VAL2 << black_box(49));
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check!(T, VAL2 << black_box(61));
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check!(T, VAL2 << black_box(63));
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assert_eq!(var6 >> argc as u128, 9223372036854775808);
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assert_eq!((var6 - 1) >> argc as u128, 9223372036854775807);
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assert_eq!(var7 >> argc as u128, 85070591730234615865843651857942052864);
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check!(T, VAL3 << black_box(33));
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check!(T, VAL3 << black_box(49));
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check!(T, VAL3 << black_box(61));
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// Casts
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assert_eq!((var >> (argc + 32) as u128) as u64, 0);
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assert_eq!((var >> argc as u128) as u64, 67108928);
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check!(T, VAL1 >> black_box(33));
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check!(T, VAL1 >> black_box(49));
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check!(T, VAL1 >> black_box(61));
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check!(T, VAL1 >> black_box(63));
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// Addition.
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assert_eq!(var + argc as u128, 134217857);
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check!(T, VAL2 >> black_box(33));
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check!(T, VAL2 >> black_box(49));
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check!(T, VAL2 >> black_box(61));
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check!(T, VAL2 >> black_box(63));
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assert_eq!(var2 + argc as u128, 10475372733397991553);
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assert_eq!(var2 + (var2 + argc as u128) as u128, 20950745466795983105);
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check!(T, VAL3 >> black_box(33));
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check!(T, VAL3 >> black_box(49));
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check!(T, VAL3 >> black_box(61));
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check!(T, VAL3 >> black_box(63));
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};
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}
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assert_eq!(var3 + argc as u128, 193236519889708027473620326106273939585);
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/// Generate `check!` tests for integer types at least as wide as 32 bits.
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macro_rules! check_ops32 {
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() => {
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// Shifts.
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check!(T, VAL2 << black_box(1));
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check!(T, VAL2 << black_box(0));
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// Subtraction
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assert_eq!(var - argc as u128, 134217855);
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check!(T, VAL3 << black_box(1));
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check!(T, VAL3 << black_box(0));
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assert_eq!(var2 - argc as u128, 10475372733397991551);
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check!(T, VAL1.wrapping_shl(black_box(0)));
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check!(T, VAL1.wrapping_shl(black_box(1)));
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check!(T, VAL1.wrapping_shl(black_box(33)));
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check!(T, VAL1.wrapping_shl(black_box(49)));
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check!(T, VAL1.wrapping_shl(black_box(61)));
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check!(T, VAL1.wrapping_shl(black_box(63)));
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check!(T, VAL1.wrapping_shl(black_box(64)));
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check!(T, VAL1.wrapping_shl(black_box(81)));
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assert_eq!(var3 - argc as u128, 193236519889708027473620326106273939583);
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check!(Option<T>, VAL1.checked_shl(black_box(0)));
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check!(Option<T>, VAL1.checked_shl(black_box(1)));
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check!(Option<T>, VAL1.checked_shl(black_box(33)));
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check!(Option<T>, VAL1.checked_shl(black_box(49)));
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check!(Option<T>, VAL1.checked_shl(black_box(61)));
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check!(Option<T>, VAL1.checked_shl(black_box(63)));
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check!(Option<T>, VAL1.checked_shl(black_box(64)));
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check!(Option<T>, VAL1.checked_shl(black_box(81)));
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// Multiplication
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assert_eq!(var * (argc + 1) as u128, 268435712);
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assert_eq!(var * (argc as u128 + var2), 1405982069077538020949770368);
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check!(T, VAL1 >> black_box(0));
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check!(T, VAL1 >> black_box(1));
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assert_eq!(var2 * (argc + 1) as u128, 20950745466795983104);
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assert_eq!(var2 * (argc as u128 + var2), 109733433903618109003204073240861360256);
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check!(T, VAL2 >> black_box(1));
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check!(T, VAL2 >> black_box(0));
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assert_eq!(var3 * argc as u128, 193236519889708027473620326106273939584);
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check!(T, VAL3 >> black_box(0));
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check!(T, VAL3 >> black_box(1));
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assert_eq!(var4 * (argc + 1) as u128, 246473039779416054947240652212547879168);
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check!(T, VAL1.wrapping_shr(black_box(0)));
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check!(T, VAL1.wrapping_shr(black_box(1)));
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check!(T, VAL1.wrapping_shr(black_box(33)));
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check!(T, VAL1.wrapping_shr(black_box(49)));
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check!(T, VAL1.wrapping_shr(black_box(61)));
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check!(T, VAL1.wrapping_shr(black_box(63)));
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check!(T, VAL1.wrapping_shr(black_box(64)));
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check!(T, VAL1.wrapping_shr(black_box(81)));
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assert_eq!(var5 * (argc + 1) as u128, 306473039779416054947240652212547879168);
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check!(Option<T>, VAL1.checked_shr(black_box(0)));
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check!(Option<T>, VAL1.checked_shr(black_box(1)));
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check!(Option<T>, VAL1.checked_shr(black_box(33)));
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check!(Option<T>, VAL1.checked_shr(black_box(49)));
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check!(Option<T>, VAL1.checked_shr(black_box(61)));
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check!(Option<T>, VAL1.checked_shr(black_box(63)));
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check!(Option<T>, VAL1.checked_shr(black_box(64)));
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check!(Option<T>, VAL1.checked_shr(black_box(81)));
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// Division.
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assert_eq!(var / (argc + 1) as u128, 67108928);
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assert_eq!(var / (argc + 2) as u128, 44739285);
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// Casts
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check!(u64, (VAL1 >> black_box(1)) as u64);
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assert_eq!(var2 / (argc + 1) as u128, 5237686366698995776);
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assert_eq!(var2 / (argc + 2) as u128, 3491790911132663850);
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// Addition.
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check!(T, VAL1 + black_box(1));
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check!(T, VAL2 + black_box(1));
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check!(T, VAL2 + (VAL2 + black_box(1)));
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check!(T, VAL3 + black_box(1));
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assert_eq!(var3 / (argc + 1) as u128, 96618259944854013736810163053136969792);
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assert_eq!(var3 / (argc + 2) as u128, 64412173296569342491206775368757979861);
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assert_eq!(var3 / (argc as u128 + var4), 1);
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assert_eq!(var3 / (argc as u128 + var2), 18446744073709551615);
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check!(Option<T>, VAL1.checked_add(black_box(1)));
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check!(Option<T>, VAL2.checked_add(black_box(1)));
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check!(Option<T>, VAL2.checked_add(VAL2 + black_box(1)));
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check!(Option<T>, VAL3.checked_add(T::MAX));
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check!(Option<T>, VAL3.checked_add(T::MIN));
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assert_eq!(var4 / (argc + 1) as u128, 61618259944854013736810163053136969792);
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assert_eq!(var4 / (argc + 2) as u128, 41078839963236009157873442035424646528);
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check!(T, VAL1.wrapping_add(black_box(1)));
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check!(T, VAL2.wrapping_add(black_box(1)));
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check!(T, VAL2.wrapping_add(VAL2 + black_box(1)));
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check!(T, VAL3.wrapping_add(T::MAX));
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check!(T, VAL3.wrapping_add(T::MIN));
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check!((T, bool), VAL1.overflowing_add(black_box(1)));
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check!((T, bool), VAL2.overflowing_add(black_box(1)));
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check!((T, bool), VAL2.overflowing_add(VAL2 + black_box(1)));
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check!((T, bool), VAL3.overflowing_add(T::MAX));
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check!((T, bool), VAL3.overflowing_add(T::MIN));
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check!(T, VAL1.saturating_add(black_box(1)));
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check!(T, VAL2.saturating_add(black_box(1)));
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check!(T, VAL2.saturating_add(VAL2 + black_box(1)));
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check!(T, VAL3.saturating_add(T::MAX));
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check!(T, VAL3.saturating_add(T::MIN));
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// Subtraction
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check!(T, VAL1 - black_box(1));
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check!(T, VAL2 - black_box(1));
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check!(T, VAL3 - black_box(1));
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check!(Option<T>, VAL1.checked_sub(black_box(1)));
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check!(Option<T>, VAL2.checked_sub(black_box(1)));
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check!(Option<T>, VAL2.checked_sub(VAL2 + black_box(1)));
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check!(Option<T>, VAL3.checked_sub(T::MAX));
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check!(Option<T>, VAL3.checked_sub(T::MIN));
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check!(T, VAL1.wrapping_sub(black_box(1)));
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check!(T, VAL2.wrapping_sub(black_box(1)));
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check!(T, VAL2.wrapping_sub(VAL2 + black_box(1)));
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check!(T, VAL3.wrapping_sub(T::MAX));
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check!(T, VAL3.wrapping_sub(T::MIN));
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check!((T, bool), VAL1.overflowing_sub(black_box(1)));
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check!((T, bool), VAL2.overflowing_sub(black_box(1)));
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check!((T, bool), VAL2.overflowing_sub(VAL2 + black_box(1)));
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check!((T, bool), VAL3.overflowing_sub(T::MAX));
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check!((T, bool), VAL3.overflowing_sub(T::MIN));
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check!(T, VAL1.saturating_sub(black_box(1)));
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check!(T, VAL2.saturating_sub(black_box(1)));
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check!(T, VAL2.saturating_sub(VAL2 + black_box(1)));
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check!(T, VAL3.saturating_sub(T::MAX));
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check!(T, VAL3.saturating_sub(T::MIN));
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// Multiplication
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check!(T, VAL1 * black_box(2));
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check!(T, VAL1 * (black_box(1) + VAL2));
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check!(T, VAL2 * black_box(2));
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check!(T, VAL2 * (black_box(1) + VAL2));
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check!(T, VAL3 * black_box(1));
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check!(T, VAL4 * black_box(2));
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check!(T, VAL5 * black_box(2));
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check!(Option<T>, VAL1.checked_mul(black_box(2)));
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check!(Option<T>, VAL1.checked_mul(black_box(1) + VAL2));
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check!(Option<T>, VAL3.checked_mul(VAL3));
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check!(Option<T>, VAL4.checked_mul(black_box(2)));
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check!(Option<T>, VAL5.checked_mul(black_box(2)));
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check!(T, VAL1.wrapping_mul(black_box(2)));
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check!(T, VAL1.wrapping_mul((black_box(1) + VAL2)));
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check!(T, VAL3.wrapping_mul(VAL3));
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check!(T, VAL4.wrapping_mul(black_box(2)));
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check!(T, VAL5.wrapping_mul(black_box(2)));
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check!((T, bool), VAL1.overflowing_mul(black_box(2)));
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check!((T, bool), VAL1.overflowing_mul(black_box(1) + VAL2));
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check!((T, bool), VAL3.overflowing_mul(VAL3));
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check!((T, bool), VAL4.overflowing_mul(black_box(2)));
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check!((T, bool), VAL5.overflowing_mul(black_box(2)));
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check!(T, VAL1.saturating_mul(black_box(2)));
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check!(T, VAL1.saturating_mul(black_box(1) + VAL2));
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check!(T, VAL3.saturating_mul(VAL3));
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check!(T, VAL4.saturating_mul(black_box(2)));
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check!(T, VAL5.saturating_mul(black_box(2)));
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// Division.
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check!(T, VAL1 / black_box(2));
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check!(T, VAL1 / black_box(3));
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||||
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check!(T, VAL2 / black_box(2));
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check!(T, VAL2 / black_box(3));
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||||
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||||
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
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
// Compiler:
|
||||
//
|
||||
// Run-time:
|
||||
// stdout: Panicking
|
||||
// stdout: Success
|
||||
// status: signal
|
||||
|
||||
#![allow(unused_attributes)]
|
||||
|
|
@ -64,7 +64,9 @@ mod intrinsics {
|
|||
#[no_mangle]
|
||||
pub fn panic(_msg: &str) -> ! {
|
||||
unsafe {
|
||||
libc::puts("Panicking\0" as *const str as *const u8);
|
||||
// Panicking is expected iff overflow checking is enabled.
|
||||
#[cfg(debug_assertions)]
|
||||
libc::puts("Success\0" as *const str as *const u8);
|
||||
libc::fflush(libc::stdout);
|
||||
intrinsics::abort();
|
||||
}
|
||||
|
|
@ -124,6 +126,15 @@ impl Add for isize {
|
|||
#[start]
|
||||
fn main(mut argc: isize, _argv: *const *const u8) -> isize {
|
||||
let int = 9223372036854775807isize;
|
||||
let int = int + argc;
|
||||
let int = int + argc; // overflow
|
||||
|
||||
// If overflow checking is disabled, we should reach here.
|
||||
#[cfg(not(debug_assertions))]
|
||||
unsafe {
|
||||
libc::puts("Success\0" as *const str as *const u8);
|
||||
libc::fflush(libc::stdout);
|
||||
intrinsics::abort();
|
||||
}
|
||||
|
||||
int
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue