diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc/tests/run/int.rs')
| -rw-r--r-- | compiler/rustc_codegen_gcc/tests/run/int.rs | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_gcc/tests/run/int.rs b/compiler/rustc_codegen_gcc/tests/run/int.rs new file mode 100644 index 000000000..2b90e4ae8 --- /dev/null +++ b/compiler/rustc_codegen_gcc/tests/run/int.rs @@ -0,0 +1,340 @@ +// Compiler: +// +// Run-time: +// status: 0 + +#![feature(bench_black_box, const_black_box, core_intrinsics, start)] + +#![no_std] + +#[panic_handler] +fn panic_handler(_: &core::panic::PanicInfo) -> ! { + core::intrinsics::abort(); +} + +/* + * Code + */ + +#[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); + } + }; + } + + 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)); + }; + } + + /// 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)); + }; + } + + /// 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 +} |