mirror of
https://github.com/ziglang/zig.git
synced 2024-11-27 15:42:49 +00:00
1674 lines
62 KiB
C
1674 lines
62 KiB
C
#undef linux
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#define __STDC_WANT_IEC_60559_TYPES_EXT__
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#include <float.h>
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#include <limits.h>
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#include <stddef.h>
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#include <stdint.h>
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#if defined(__has_builtin)
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#define zig_has_builtin(builtin) __has_builtin(__builtin_##builtin)
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#else
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#define zig_has_builtin(builtin) 0
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#endif
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#if defined(__has_attribute)
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#define zig_has_attribute(attribute) __has_attribute(attribute)
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#else
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#define zig_has_attribute(attribute) 0
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#endif
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#if __STDC_VERSION__ >= 201112L
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#define zig_threadlocal _Thread_local
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#elif defined(__GNUC__)
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#define zig_threadlocal __thread
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#elif _MSC_VER
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#define zig_threadlocal __declspec(thread)
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#else
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#define zig_threadlocal zig_threadlocal_unavailable
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#endif
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#if zig_has_attribute(naked) || defined(__GNUC__)
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#define zig_naked __attribute__((naked))
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#elif defined(_MSC_VER)
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#define zig_naked __declspec(naked)
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#else
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#define zig_naked zig_naked_unavailable
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#endif
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#if zig_has_attribute(cold)
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#define zig_cold __attribute__((cold))
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#else
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#define zig_cold
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#endif
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#if __STDC_VERSION__ >= 199901L
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#define zig_restrict restrict
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#elif defined(__GNUC__)
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#define zig_restrict __restrict
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#else
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#define zig_restrict
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#endif
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#if __STDC_VERSION__ >= 201112L
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#define zig_align(alignment) _Alignas(alignment)
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#elif zig_has_attribute(aligned)
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#define zig_align(alignment) __attribute__((aligned(alignment)))
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#elif _MSC_VER
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#else
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#error the C compiler being used does not support aligning variables
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#endif
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#if zig_has_builtin(unreachable)
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#define zig_unreachable() __builtin_unreachable()
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#else
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#define zig_unreachable()
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#endif
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#if defined(__cplusplus)
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#define zig_extern extern "C"
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#else
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#define zig_extern extern
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#endif
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#if zig_has_builtin(debugtrap)
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#define zig_breakpoint() __builtin_debugtrap()
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#elif zig_has_builtin(trap)
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#define zig_breakpoint() __builtin_trap()
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#elif defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
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#define zig_breakpoint() __debugbreak()
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#elif defined(__i386__) || defined(__x86_64__)
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#define zig_breakpoint() __asm__ volatile("int $0x03");
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#else
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#define zig_breakpoint() raise(SIGTRAP)
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#endif
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#if zig_has_builtin(return_address)
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#define zig_return_address() __builtin_extract_return_addr(__builtin_return_address(0))
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#elif defined(_MSC_VER)
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#define zig_return_address() _ReturnAddress()
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#else
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#define zig_return_address() 0
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#endif
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#if zig_has_builtin(frame_address)
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#define zig_frame_address() __builtin_frame_address(0)
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#else
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#define zig_frame_address() 0
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#endif
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#if zig_has_builtin(prefetch)
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#define zig_prefetch(addr, rw, locality) __builtin_prefetch(addr, rw, locality)
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#else
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#define zig_prefetch(addr, rw, locality)
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#endif
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#if zig_has_builtin(memory_size) && zig_has_builtin(memory_grow)
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#define zig_wasm_memory_size(index) __builtin_wasm_memory_size(index)
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#define zig_wasm_memory_grow(index, delta) __builtin_wasm_memory_grow(index, delta)
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#else
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#define zig_wasm_memory_size(index) zig_unimplemented()
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#define zig_wasm_memory_grow(index, delta) zig_unimplemented()
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#endif
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#if __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_ATOMICS__)
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#include <stdatomic.h>
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#define zig_atomic(type) _Atomic(type)
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#define zig_cmpxchg_strong(obj, expected, desired, succ, fail) atomic_compare_exchange_strong_explicit(obj, &(expected), desired, succ, fail)
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#define zig_cmpxchg_weak(obj, expected, desired, succ, fail) atomic_compare_exchange_weak_explicit (obj, &(expected), desired, succ, fail)
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#define zig_atomicrmw_xchg(obj, arg, order) atomic_exchange_explicit (obj, arg, order)
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#define zig_atomicrmw_add(obj, arg, order) atomic_fetch_add_explicit (obj, arg, order)
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#define zig_atomicrmw_sub(obj, arg, order) atomic_fetch_sub_explicit (obj, arg, order)
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#define zig_atomicrmw_or(obj, arg, order) atomic_fetch_or_explicit (obj, arg, order)
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#define zig_atomicrmw_xor(obj, arg, order) atomic_fetch_xor_explicit (obj, arg, order)
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#define zig_atomicrmw_and(obj, arg, order) atomic_fetch_and_explicit (obj, arg, order)
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#define zig_atomicrmw_nand(obj, arg, order) __atomic_fetch_nand (obj, arg, order)
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#define zig_atomicrmw_min(obj, arg, order) __atomic_fetch_min (obj, arg, order)
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#define zig_atomicrmw_max(obj, arg, order) __atomic_fetch_max (obj, arg, order)
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#define zig_atomic_store(obj, arg, order) atomic_store_explicit (obj, arg, order)
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#define zig_atomic_load(obj, order) atomic_load_explicit (obj, order)
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#define zig_fence(order) atomic_thread_fence(order)
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#elif defined(__GNUC__)
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#define memory_order_relaxed __ATOMIC_RELAXED
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#define memory_order_consume __ATOMIC_CONSUME
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#define memory_order_acquire __ATOMIC_ACQUIRE
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#define memory_order_release __ATOMIC_RELEASE
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#define memory_order_acq_rel __ATOMIC_ACQ_REL
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#define memory_order_seq_cst __ATOMIC_SEQ_CST
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#define zig_atomic(type) type
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#define zig_cmpxchg_strong(obj, expected, desired, succ, fail) __atomic_compare_exchange_n(obj, &(expected), desired, zig_false, succ, fail)
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#define zig_cmpxchg_weak(obj, expected, desired, succ, fail) __atomic_compare_exchange_n(obj, &(expected), desired, zig_true , succ, fail)
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#define zig_atomicrmw_xchg(obj, arg, order) __atomic_exchange_n(obj, arg, order)
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#define zig_atomicrmw_add(obj, arg, order) __atomic_fetch_add (obj, arg, order)
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#define zig_atomicrmw_sub(obj, arg, order) __atomic_fetch_sub (obj, arg, order)
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#define zig_atomicrmw_or(obj, arg, order) __atomic_fetch_or (obj, arg, order)
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#define zig_atomicrmw_xor(obj, arg, order) __atomic_fetch_xor (obj, arg, order)
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#define zig_atomicrmw_and(obj, arg, order) __atomic_fetch_and (obj, arg, order)
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#define zig_atomicrmw_nand(obj, arg, order) __atomic_fetch_nand(obj, arg, order)
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#define zig_atomicrmw_min(obj, arg, order) __atomic_fetch_min (obj, arg, order)
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#define zig_atomicrmw_max(obj, arg, order) __atomic_fetch_max (obj, arg, order)
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#define zig_atomic_store(obj, arg, order) __atomic_store_n (obj, arg, order)
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#define zig_atomic_load(obj, order) __atomic_load_n (obj, order)
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#define zig_fence(order) __atomic_thread_fence(order)
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#else
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#define memory_order_relaxed 0
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#define memory_order_consume 1
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#define memory_order_acquire 2
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#define memory_order_release 3
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#define memory_order_acq_rel 4
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#define memory_order_seq_cst 5
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#define zig_atomic(type) type
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#define zig_cmpxchg_strong(obj, expected, desired, succ, fail) zig_unimplemented()
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#define zig_cmpxchg_weak(obj, expected, desired, succ, fail) zig_unimplemented()
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#define zig_atomicrmw_xchg(obj, arg, order) zig_unimplemented()
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#define zig_atomicrmw_add(obj, arg, order) zig_unimplemented()
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#define zig_atomicrmw_sub(obj, arg, order) zig_unimplemented()
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#define zig_atomicrmw_or(obj, arg, order) zig_unimplemented()
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#define zig_atomicrmw_xor(obj, arg, order) zig_unimplemented()
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#define zig_atomicrmw_and(obj, arg, order) zig_unimplemented()
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#define zig_atomicrmw_nand(obj, arg, order) zig_unimplemented()
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#define zig_atomicrmw_min(obj, arg, order) zig_unimplemented()
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#define zig_atomicrmw_max(obj, arg, order) zig_unimplemented()
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#define zig_atomic_store(obj, arg, order) zig_unimplemented()
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#define zig_atomic_load(obj, order) zig_unimplemented()
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#define zig_fence(order) zig_unimplemented()
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#endif
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#if __STDC_VERSION__ >= 201112L
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#define zig_noreturn _Noreturn void
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#elif zig_has_attribute(noreturn) || defined(__GNUC__)
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#define zig_noreturn __attribute__((noreturn)) void
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#elif _MSC_VER
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#define zig_noreturn __declspec(noreturn) void
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#else
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#define zig_noreturn void
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#endif
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#define zig_concat(lhs, rhs) lhs##rhs
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#define zig_expand_concat(lhs, rhs) zig_concat(lhs, rhs)
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#define zig_bitSizeOf(T) (CHAR_BIT * sizeof(T))
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typedef void zig_void;
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#if defined(__cplusplus)
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typedef bool zig_bool;
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#define zig_false false
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#define zig_true true
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#else
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#if __STDC_VERSION__ >= 199901L
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typedef _Bool zig_bool;
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#else
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typedef char zig_bool;
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#endif
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#define zig_false ((zig_bool)0)
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#define zig_true ((zig_bool)1)
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#endif
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typedef uintptr_t zig_usize;
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typedef intptr_t zig_isize;
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typedef signed short int zig_c_short;
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typedef unsigned short int zig_c_ushort;
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typedef signed int zig_c_int;
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typedef unsigned int zig_c_uint;
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typedef signed long int zig_c_long;
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typedef unsigned long int zig_c_ulong;
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typedef signed long long int zig_c_longlong;
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typedef unsigned long long int zig_c_ulonglong;
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typedef uint8_t zig_u8;
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typedef int8_t zig_i8;
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typedef uint16_t zig_u16;
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typedef int16_t zig_i16;
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typedef uint32_t zig_u32;
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typedef int32_t zig_i32;
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typedef uint64_t zig_u64;
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typedef int64_t zig_i64;
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#define zig_as_u8(val) UINT8_C(val)
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#define zig_as_i8(val) INT8_C(val)
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#define zig_as_u16(val) UINT16_C(val)
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#define zig_as_i16(val) INT16_C(val)
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#define zig_as_u32(val) UINT32_C(val)
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#define zig_as_i32(val) INT32_C(val)
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#define zig_as_u64(val) UINT64_C(val)
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#define zig_as_i64(val) INT64_C(val)
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#define zig_minInt_u8 zig_as_u8(0)
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#define zig_maxInt_u8 UINT8_MAX
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#define zig_minInt_i8 INT8_MIN
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#define zig_maxInt_i8 INT8_MAX
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#define zig_minInt_u16 zig_as_u16(0)
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#define zig_maxInt_u16 UINT16_MAX
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#define zig_minInt_i16 INT16_MIN
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#define zig_maxInt_i16 INT16_MAX
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#define zig_minInt_u32 zig_as_u32(0)
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#define zig_maxInt_u32 UINT32_MAX
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#define zig_minInt_i32 INT32_MIN
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#define zig_maxInt_i32 INT32_MAX
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#define zig_minInt_u64 zig_as_u64(0)
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#define zig_maxInt_u64 UINT64_MAX
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#define zig_minInt_i64 INT64_MIN
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#define zig_maxInt_i64 INT64_MAX
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#define zig_compiler_rt_abbrev_u32 si
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#define zig_compiler_rt_abbrev_i32 si
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#define zig_compiler_rt_abbrev_u64 di
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#define zig_compiler_rt_abbrev_i64 di
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#define zig_compiler_rt_abbrev_u128 ti
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#define zig_compiler_rt_abbrev_i128 ti
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#define zig_compiler_rt_abbrev_f16 hf
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#define zig_compiler_rt_abbrev_f32 sf
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#define zig_compiler_rt_abbrev_f64 df
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#define zig_compiler_rt_abbrev_f80 xf
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#define zig_compiler_rt_abbrev_f128 tf
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zig_extern void *memcpy (void *zig_restrict, void const *zig_restrict, zig_usize);
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zig_extern void *memset (void *, int, zig_usize);
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/* ==================== 8/16/32/64-bit Integer Routines ===================== */
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#define zig_maxInt(Type, bits) zig_shr_##Type(zig_maxInt_##Type, (zig_bitSizeOf(zig_##Type) - bits))
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#define zig_expand_maxInt(Type, bits) zig_maxInt(Type, bits)
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#define zig_minInt(Type, bits) zig_not_##Type(zig_maxInt(Type, bits), bits)
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#define zig_expand_minInt(Type, bits) zig_minInt(Type, bits)
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#define zig_int_operator(Type, RhsType, operation, operator) \
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static inline zig_##Type zig_##operation##_##Type(zig_##Type lhs, zig_##RhsType rhs) { \
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return lhs operator rhs; \
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}
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#define zig_int_basic_operator(Type, operation, operator) \
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zig_int_operator(Type, Type, operation, operator)
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#define zig_int_shift_operator(Type, operation, operator) \
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zig_int_operator(Type, u8, operation, operator)
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#define zig_int_helpers(w) \
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zig_int_basic_operator(u##w, and, &) \
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zig_int_basic_operator(i##w, and, &) \
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zig_int_basic_operator(u##w, or, |) \
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zig_int_basic_operator(i##w, or, |) \
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zig_int_basic_operator(u##w, xor, ^) \
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zig_int_basic_operator(i##w, xor, ^) \
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zig_int_shift_operator(u##w, shl, <<) \
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zig_int_shift_operator(i##w, shl, <<) \
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zig_int_shift_operator(u##w, shr, >>) \
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\
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static inline zig_i##w zig_shr_i##w(zig_i##w lhs, zig_u8 rhs) { \
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zig_i##w sign_mask = lhs < zig_as_i##w(0) ? -zig_as_i##w(1) : zig_as_i##w(0); \
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return ((lhs ^ sign_mask) >> rhs) ^ sign_mask; \
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} \
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\
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static inline zig_u##w zig_not_u##w(zig_u##w val, zig_u8 bits) { \
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return val ^ zig_maxInt(u##w, bits); \
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} \
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\
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static inline zig_i##w zig_not_i##w(zig_i##w val, zig_u8 bits) { \
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(void)bits; \
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return ~val; \
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} \
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\
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static inline zig_u##w zig_wrap_u##w(zig_u##w val, zig_u8 bits) { \
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return val & zig_maxInt(u##w, bits); \
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} \
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\
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static inline zig_i##w zig_wrap_i##w(zig_i##w val, zig_u8 bits) { \
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return (val & zig_as_u##w(1) << (bits - zig_as_u8(1))) != 0 \
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? val | zig_minInt(i##w, bits) : val & zig_maxInt(i##w, bits); \
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} \
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\
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zig_int_basic_operator(u##w, div_floor, /) \
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\
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static inline zig_i##w zig_div_floor_i##w(zig_i##w lhs, zig_i##w rhs) { \
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return lhs / rhs - (((lhs ^ rhs) & (lhs % rhs)) < zig_as_i##w(0)); \
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} \
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\
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zig_int_basic_operator(u##w, mod, %) \
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\
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static inline zig_i##w zig_mod_i##w(zig_i##w lhs, zig_i##w rhs) { \
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zig_i##w rem = lhs % rhs; \
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return rem + (((lhs ^ rhs) & rem) < zig_as_i##w(0) ? rhs : zig_as_i##w(0)); \
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}
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zig_int_helpers(8)
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zig_int_helpers(16)
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zig_int_helpers(32)
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zig_int_helpers(64)
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static inline zig_bool zig_addo_u32(zig_u32 *res, zig_u32 lhs, zig_u32 rhs, zig_u8 bits) {
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#if zig_has_builtin(add_overflow)
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zig_u32 full_res;
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zig_bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
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*res = zig_wrap_u32(full_res, bits);
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return overflow || full_res < zig_minInt(u32, bits) || full_res > zig_maxInt(u32, bits);
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#else
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*res = zig_addw_u32(lhs, rhs, bits);
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return *res < lhs;
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#endif
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}
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zig_extern zig_i32 __addosi4(zig_i32 lhs, zig_i32 rhs, zig_c_int *overflow);
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static inline zig_bool zig_addo_i32(zig_i32 *res, zig_i32 lhs, zig_i32 rhs, zig_u8 bits) {
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#if zig_has_builtin(add_overflow)
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zig_i32 full_res;
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zig_bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
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#else
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zig_c_int overflow_int;
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zig_u32 full_res = __addosi4(lhs, rhs, &overflow_int);
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zig_bool overflow = overflow_int != 0;
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#endif
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*res = zig_wrap_i32(full_res, bits);
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return overflow || full_res < zig_minInt(i32, bits) || full_res > zig_maxInt(i32, bits);
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}
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static inline zig_bool zig_addo_u64(zig_u64 *res, zig_u64 lhs, zig_u64 rhs, zig_u8 bits) {
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#if zig_has_builtin(add_overflow)
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zig_u64 full_res;
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zig_bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
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*res = zig_wrap_u64(full_res, bits);
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return overflow || full_res < zig_minInt(u64, bits) || full_res > zig_maxInt(u64, bits);
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#else
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*res = zig_addw_u64(lhs, rhs, bits);
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return *res < lhs;
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#endif
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}
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zig_extern zig_i64 __addodi4(zig_i64 lhs, zig_i64 rhs, zig_c_int *overflow);
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static inline zig_bool zig_addo_i64(zig_i64 *res, zig_i64 lhs, zig_i64 rhs, zig_u8 bits) {
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#if zig_has_builtin(add_overflow)
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zig_i64 full_res;
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zig_bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
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#else
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zig_c_int overflow_int;
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zig_u64 full_res = __addodi4(lhs, rhs, &overflow_int);
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zig_bool overflow = overflow_int != 0;
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#endif
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*res = zig_wrap_i64(full_res, bits);
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return overflow || full_res < zig_minInt(i64, bits) || full_res > zig_maxInt(i64, bits);
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}
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static inline zig_bool zig_addo_u8(zig_u8 *res, zig_u8 lhs, zig_u8 rhs, zig_u8 bits) {
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|
#if zig_has_builtin(add_overflow)
|
|
zig_u8 full_res;
|
|
zig_bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u8(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u8, bits) || full_res > zig_maxInt(u8, bits);
|
|
#else
|
|
return zig_addo_u32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_addo_i8(zig_i8 *res, zig_i8 lhs, zig_i8 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(add_overflow)
|
|
zig_i8 full_res;
|
|
zig_bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_i8(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i8, bits) || full_res > zig_maxInt(i8, bits);
|
|
#else
|
|
return zig_addo_i32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_addo_u16(zig_u16 *res, zig_u16 lhs, zig_u16 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(add_overflow)
|
|
zig_u16 full_res;
|
|
zig_bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u16(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u16, bits) || full_res > zig_maxInt(u16, bits);
|
|
#else
|
|
return zig_addo_u32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_addo_i16(zig_i16 *res, zig_i16 lhs, zig_i16 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(add_overflow)
|
|
zig_i16 full_res;
|
|
zig_bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_i16(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i16, bits) || full_res > zig_maxInt(i16, bits);
|
|
#else
|
|
return zig_addo_i32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_subo_u32(zig_u32 *res, zig_u32 lhs, zig_u32 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(sub_overflow)
|
|
zig_u32 full_res;
|
|
zig_bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u32(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u32, bits) || full_res > zig_maxInt(u32, bits);
|
|
#else
|
|
*res = zig_subw_u32(lhs, rhs, bits);
|
|
return *res > lhs;
|
|
#endif
|
|
}
|
|
|
|
zig_extern zig_i32 __subosi4(zig_i32 lhs, zig_i32 rhs, zig_c_int *overflow);
|
|
static inline zig_bool zig_subo_i32(zig_i32 *res, zig_i32 lhs, zig_i32 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(sub_overflow)
|
|
zig_i32 full_res;
|
|
zig_bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
|
|
#else
|
|
zig_c_int overflow_int;
|
|
zig_u32 full_res = __subosi4(lhs, rhs, &overflow_int);
|
|
zig_bool overflow = overflow_int != 0;
|
|
#endif
|
|
*res = zig_wrap_i32(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i32, bits) || full_res > zig_maxInt(i32, bits);
|
|
}
|
|
|
|
static inline zig_bool zig_subo_u64(zig_u64 *res, zig_u64 lhs, zig_u64 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(sub_overflow)
|
|
zig_u64 full_res;
|
|
zig_bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u64(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u64, bits) || full_res > zig_maxInt(u64, bits);
|
|
#else
|
|
*res = zig_subw_u64(lhs, rhs, bits);
|
|
return *res > lhs;
|
|
#endif
|
|
}
|
|
|
|
zig_extern zig_i64 __subodi4(zig_i64 lhs, zig_i64 rhs, zig_c_int *overflow);
|
|
static inline zig_bool zig_subo_i64(zig_i64 *res, zig_i64 lhs, zig_i64 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(sub_overflow)
|
|
zig_i64 full_res;
|
|
zig_bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
|
|
#else
|
|
zig_c_int overflow_int;
|
|
zig_u64 full_res = __subodi4(lhs, rhs, &overflow_int);
|
|
zig_bool overflow = overflow_int != 0;
|
|
#endif
|
|
*res = zig_wrap_i64(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i64, bits) || full_res > zig_maxInt(i64, bits);
|
|
}
|
|
|
|
static inline zig_bool zig_subo_u8(zig_u8 *res, zig_u8 lhs, zig_u8 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(sub_overflow)
|
|
zig_u8 full_res;
|
|
zig_bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u8(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u8, bits) || full_res > zig_maxInt(u8, bits);
|
|
#else
|
|
return zig_subo_u32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_subo_i8(zig_i8 *res, zig_i8 lhs, zig_i8 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(sub_overflow)
|
|
zig_i8 full_res;
|
|
zig_bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_i8(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i8, bits) || full_res > zig_maxInt(i8, bits);
|
|
#else
|
|
return zig_subo_i32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_subo_u16(zig_u16 *res, zig_u16 lhs, zig_u16 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(sub_overflow)
|
|
zig_u16 full_res;
|
|
zig_bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u16(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u16, bits) || full_res > zig_maxInt(u16, bits);
|
|
#else
|
|
return zig_subo_u32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_subo_i16(zig_i16 *res, zig_i16 lhs, zig_i16 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(sub_overflow)
|
|
zig_i16 full_res;
|
|
zig_bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_i16(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i16, bits) || full_res > zig_maxInt(i16, bits);
|
|
#else
|
|
return zig_subo_i32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_mulo_u32(zig_u32 *res, zig_u32 lhs, zig_u32 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(mul_overflow)
|
|
zig_u32 full_res;
|
|
zig_bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u32(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u32, bits) || full_res > zig_maxInt(u32, bits);
|
|
#else
|
|
*res = zig_mulw_u32(lhs, rhs, bits);
|
|
return rhs != zig_as_u32(0) && lhs > zig_maxInt(u32, bits) / rhs;
|
|
#endif
|
|
}
|
|
|
|
zig_extern zig_i32 __mulosi4(zig_i32 lhs, zig_i32 rhs, zig_c_int *overflow);
|
|
static inline zig_bool zig_mulo_i32(zig_i32 *res, zig_i32 lhs, zig_i32 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(mul_overflow)
|
|
zig_i32 full_res;
|
|
zig_bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
|
|
#else
|
|
zig_c_int overflow_int;
|
|
zig_u32 full_res = __mulosi4(lhs, rhs, &overflow_int);
|
|
zig_bool overflow = overflow_int != 0;
|
|
#endif
|
|
*res = zig_wrap_i32(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i32, bits) || full_res > zig_maxInt(i32, bits);
|
|
}
|
|
|
|
static inline zig_bool zig_mulo_u64(zig_u64 *res, zig_u64 lhs, zig_u64 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(mul_overflow)
|
|
zig_u64 full_res;
|
|
zig_bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u64(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u64, bits) || full_res > zig_maxInt(u64, bits);
|
|
#else
|
|
*res = zig_mulw_u64(lhs, rhs, bits);
|
|
return rhs != zig_as_u64(0) && lhs > zig_maxInt(u64, bits) / rhs;
|
|
#endif
|
|
}
|
|
|
|
zig_extern zig_i64 __mulodi4(zig_i64 lhs, zig_i64 rhs, zig_c_int *overflow);
|
|
static inline zig_bool zig_mulo_i64(zig_i64 *res, zig_i64 lhs, zig_i64 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(mul_overflow)
|
|
zig_i64 full_res;
|
|
zig_bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
|
|
#else
|
|
zig_c_int overflow_int;
|
|
zig_u64 full_res = __mulodi4(lhs, rhs, &overflow_int);
|
|
zig_bool overflow = overflow_int != 0;
|
|
#endif
|
|
*res = zig_wrap_i64(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i64, bits) || full_res > zig_maxInt(i64, bits);
|
|
}
|
|
|
|
static inline zig_bool zig_mulo_u8(zig_u8 *res, zig_u8 lhs, zig_u8 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(mul_overflow)
|
|
zig_u8 full_res;
|
|
zig_bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u8(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u8, bits) || full_res > zig_maxInt(u8, bits);
|
|
#else
|
|
return zig_mulo_u32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_mulo_i8(zig_i8 *res, zig_i8 lhs, zig_i8 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(mul_overflow)
|
|
zig_i8 full_res;
|
|
zig_bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_i8(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i8, bits) || full_res > zig_maxInt(i8, bits);
|
|
#else
|
|
return zig_mulo_i32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_mulo_u16(zig_u16 *res, zig_u16 lhs, zig_u16 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(mul_overflow)
|
|
zig_u16 full_res;
|
|
zig_bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u16(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u16, bits) || full_res > zig_maxInt(u16, bits);
|
|
#else
|
|
return zig_mulo_u32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
static inline zig_bool zig_mulo_i16(zig_i16 *res, zig_i16 lhs, zig_i16 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(mul_overflow)
|
|
zig_i16 full_res;
|
|
zig_bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_i16(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i16, bits) || full_res > zig_maxInt(i16, bits);
|
|
#else
|
|
return zig_mulo_i32(res, lhs, rhs, bits);
|
|
#endif
|
|
}
|
|
|
|
#define zig_int_builtins(w) \
|
|
static inline zig_u##w zig_shlw_u##w(zig_u##w lhs, zig_u8 rhs, zig_u8 bits) { \
|
|
return zig_wrap_u##w(zig_shl_u##w(lhs, rhs), bits); \
|
|
} \
|
|
\
|
|
static inline zig_i##w zig_shlw_i##w(zig_i##w lhs, zig_u8 rhs, zig_u8 bits) { \
|
|
return zig_wrap_i##w((zig_i##w)zig_shl_u##w((zig_u##w)lhs, (zig_u##w)rhs), bits); \
|
|
} \
|
|
\
|
|
static inline zig_u##w zig_addw_u##w(zig_u##w lhs, zig_u##w rhs, zig_u8 bits) { \
|
|
return zig_wrap_u##w(lhs + rhs, bits); \
|
|
} \
|
|
\
|
|
static inline zig_i##w zig_addw_i##w(zig_i##w lhs, zig_i##w rhs, zig_u8 bits) { \
|
|
return zig_wrap_i##w((zig_i##w)((zig_u##w)lhs + (zig_u##w)rhs), bits); \
|
|
} \
|
|
\
|
|
static inline zig_u##w zig_subw_u##w(zig_u##w lhs, zig_u##w rhs, zig_u8 bits) { \
|
|
return zig_wrap_u##w(lhs - rhs, bits); \
|
|
} \
|
|
\
|
|
static inline zig_i##w zig_subw_i##w(zig_i##w lhs, zig_i##w rhs, zig_u8 bits) { \
|
|
return zig_wrap_i##w((zig_i##w)((zig_u##w)lhs - (zig_u##w)rhs), bits); \
|
|
} \
|
|
\
|
|
static inline zig_u##w zig_mulw_u##w(zig_u##w lhs, zig_u##w rhs, zig_u8 bits) { \
|
|
return zig_wrap_u##w(lhs * rhs, bits); \
|
|
} \
|
|
\
|
|
static inline zig_i##w zig_mulw_i##w(zig_i##w lhs, zig_i##w rhs, zig_u8 bits) { \
|
|
return zig_wrap_i##w((zig_i##w)((zig_u##w)lhs * (zig_u##w)rhs), bits); \
|
|
} \
|
|
\
|
|
static inline zig_bool zig_shlo_u##w(zig_u##w *res, zig_u##w lhs, zig_u8 rhs, zig_u8 bits) { \
|
|
*res = zig_shlw_u##w(lhs, rhs, bits); \
|
|
return (lhs & zig_maxInt_u##w << (bits - rhs)) != zig_as_u##w(0); \
|
|
} \
|
|
\
|
|
static inline zig_bool zig_shlo_i##w(zig_i##w *res, zig_i##w lhs, zig_u8 rhs, zig_u8 bits) { \
|
|
*res = zig_shlw_i##w(lhs, rhs, bits); \
|
|
zig_i##w mask = (zig_i##w)(zig_maxInt_u##w << (bits - rhs - 1)); \
|
|
return (lhs & mask) != zig_as_i##w(0) && (lhs & mask) != mask; \
|
|
} \
|
|
\
|
|
static inline zig_u##w zig_shls_u##w(zig_u##w lhs, zig_u##w rhs, zig_u8 bits) { \
|
|
zig_u##w res; \
|
|
if (rhs >= bits) return lhs != zig_as_u##w(0) ? zig_maxInt(u##w, bits) : lhs; \
|
|
return zig_shlo_u##w(&res, lhs, (zig_u8)rhs, bits) ? zig_maxInt(u##w, bits) : res; \
|
|
} \
|
|
\
|
|
static inline zig_i##w zig_shls_i##w(zig_i##w lhs, zig_i##w rhs, zig_u8 bits) { \
|
|
zig_i##w res; \
|
|
if ((zig_u##w)rhs < (zig_u##w)bits && !zig_shlo_i##w(&res, lhs, rhs, bits)) return res; \
|
|
return lhs < zig_as_i##w(0) ? zig_minInt(i##w, bits) : zig_maxInt(i##w, bits); \
|
|
} \
|
|
\
|
|
static inline zig_u##w zig_adds_u##w(zig_u##w lhs, zig_u##w rhs, zig_u8 bits) { \
|
|
zig_u##w res; \
|
|
return zig_addo_u##w(&res, lhs, rhs, bits) ? zig_maxInt(u##w, bits) : res; \
|
|
} \
|
|
\
|
|
static inline zig_i##w zig_adds_i##w(zig_i##w lhs, zig_i##w rhs, zig_u8 bits) { \
|
|
zig_i##w res; \
|
|
if (!zig_addo_i##w(&res, lhs, rhs, bits)) return res; \
|
|
return res >= zig_as_i##w(0) ? zig_minInt(i##w, bits) : zig_maxInt(i##w, bits); \
|
|
} \
|
|
\
|
|
static inline zig_u##w zig_subs_u##w(zig_u##w lhs, zig_u##w rhs, zig_u8 bits) { \
|
|
zig_u##w res; \
|
|
return zig_subo_u##w(&res, lhs, rhs, bits) ? zig_minInt(u##w, bits) : res; \
|
|
} \
|
|
\
|
|
static inline zig_i##w zig_subs_i##w(zig_i##w lhs, zig_i##w rhs, zig_u8 bits) { \
|
|
zig_i##w res; \
|
|
if (!zig_subo_i##w(&res, lhs, rhs, bits)) return res; \
|
|
return res >= zig_as_i##w(0) ? zig_minInt(i##w, bits) : zig_maxInt(i##w, bits); \
|
|
} \
|
|
\
|
|
static inline zig_u##w zig_muls_u##w(zig_u##w lhs, zig_u##w rhs, zig_u8 bits) { \
|
|
zig_u##w res; \
|
|
return zig_mulo_u##w(&res, lhs, rhs, bits) ? zig_maxInt(u##w, bits) : res; \
|
|
} \
|
|
\
|
|
static inline zig_i##w zig_muls_i##w(zig_i##w lhs, zig_i##w rhs, zig_u8 bits) { \
|
|
zig_i##w res; \
|
|
if (!zig_mulo_i##w(&res, lhs, rhs, bits)) return res; \
|
|
return (lhs ^ rhs) < zig_as_i##w(0) ? zig_minInt(i##w, bits) : zig_maxInt(i##w, bits); \
|
|
}
|
|
zig_int_builtins(8)
|
|
zig_int_builtins(16)
|
|
zig_int_builtins(32)
|
|
zig_int_builtins(64)
|
|
|
|
#define zig_builtin8(name, val) __builtin_##name(val)
|
|
typedef zig_c_uint zig_Builtin8;
|
|
|
|
#define zig_builtin16(name, val) __builtin_##name(val)
|
|
typedef zig_c_uint zig_Builtin16;
|
|
|
|
#if INT_MIN <= INT32_MIN
|
|
#define zig_builtin32(name, val) __builtin_##name(val)
|
|
typedef zig_c_uint zig_Builtin32;
|
|
#elif LONG_MIN <= INT32_MIN
|
|
#define zig_builtin32(name, val) __builtin_##name##l(val)
|
|
typedef zig_c_ulong zig_Builtin32;
|
|
#endif
|
|
|
|
#if INT_MIN <= INT64_MIN
|
|
#define zig_builtin64(name, val) __builtin_##name(val)
|
|
typedef zig_c_uint zig_Builtin64;
|
|
#elif LONG_MIN <= INT64_MIN
|
|
#define zig_builtin64(name, val) __builtin_##name##l(val)
|
|
typedef zig_c_ulong zig_Builtin64;
|
|
#elif LLONG_MIN <= INT64_MIN
|
|
#define zig_builtin64(name, val) __builtin_##name##ll(val)
|
|
typedef zig_c_ulonglong zig_Builtin64;
|
|
#endif
|
|
|
|
#if zig_has_builtin(clz)
|
|
#define zig_builtin_clz(w) \
|
|
static inline zig_u8 zig_clz_u##w(zig_u##w val, zig_u8 bits) { \
|
|
if (val == 0) return bits; \
|
|
return zig_builtin##w(clz, val) - (zig_bitSizeOf(zig_Builtin##w) - bits); \
|
|
} \
|
|
\
|
|
static inline zig_u8 zig_clz_i##w(zig_i##w val, zig_u8 bits) { \
|
|
return zig_clz_u##w((zig_u##w)val, bits); \
|
|
}
|
|
zig_builtin_clz(8)
|
|
zig_builtin_clz(16)
|
|
zig_builtin_clz(32)
|
|
zig_builtin_clz(64)
|
|
#endif
|
|
|
|
#if zig_has_builtin(ctz)
|
|
#define zig_builtin_ctz(w) \
|
|
static inline zig_u8 zig_ctz_u##w(zig_u##w val, zig_u8 bits) { \
|
|
if (val == 0) return bits; \
|
|
return zig_builtin##w(ctz, val); \
|
|
} \
|
|
\
|
|
static inline zig_u8 zig_ctz_i##w(zig_i##w val, zig_u8 bits) { \
|
|
return zig_ctz_u##w((zig_u##w)val, bits); \
|
|
}
|
|
zig_builtin_ctz(8)
|
|
zig_builtin_ctz(16)
|
|
zig_builtin_ctz(32)
|
|
zig_builtin_ctz(64)
|
|
#endif
|
|
|
|
#if zig_has_builtin(popcount)
|
|
#define zig_builtin_popcount(w) \
|
|
static inline zig_u8 zig_popcount_u##w(zig_u##w val, zig_u8 bits) { \
|
|
(void)bits; \
|
|
return zig_builtin##w(popcount, val); \
|
|
} \
|
|
\
|
|
static inline zig_u8 zig_popcount_i##w(zig_i##w val, zig_u8 bits) { \
|
|
\
|
|
return zig_popcount_u##w((zig_u##w)val, bits); \
|
|
}
|
|
zig_builtin_popcount(8)
|
|
zig_builtin_popcount(16)
|
|
zig_builtin_popcount(32)
|
|
zig_builtin_popcount(64)
|
|
#endif
|
|
|
|
static inline zig_u8 zig_byte_swap_u8(zig_u8 val, zig_u8 bits) {
|
|
return zig_wrap_u8(val >> (8 - bits), bits);
|
|
}
|
|
|
|
static inline zig_i8 zig_byte_swap_i8(zig_i8 val, zig_u8 bits) {
|
|
return zig_wrap_i8((zig_i8)zig_byte_swap_u8((zig_u8)val, bits), bits);
|
|
}
|
|
|
|
static inline zig_u16 zig_byte_swap_u16(zig_u16 val, zig_u8 bits) {
|
|
zig_u16 full_res;
|
|
#if zig_has_builtin(bswap16)
|
|
full_res = __builtin_bswap16(val);
|
|
#else
|
|
full_res = (zig_u16)zig_byte_swap_u8((zig_u8)(val >> 0)) << 8 |
|
|
(zig_u16)zig_byte_swap_u8((zig_u8)(val >> 8)) >> 0;
|
|
#endif
|
|
return zig_wrap_u16(full_res >> (16 - bits), bits);
|
|
}
|
|
|
|
static inline zig_i16 zig_byte_swap_i16(zig_i16 val, zig_u8 bits) {
|
|
return zig_wrap_i16((zig_i16)zig_byte_swap_u16((zig_u16)val, bits), bits);
|
|
}
|
|
|
|
static inline zig_u32 zig_byte_swap_u32(zig_u32 val, zig_u8 bits) {
|
|
zig_u32 full_res;
|
|
#if zig_has_builtin(bswap32)
|
|
full_res = __builtin_bswap32(val);
|
|
#else
|
|
full_res = (zig_u32)zig_byte_swap_u16((zig_u16)(val >> 0)) << 16 |
|
|
(zig_u32)zig_byte_swap_u16((zig_u16)(val >> 16)) >> 0;
|
|
#endif
|
|
return zig_wrap_u32(full_res >> (32 - bits), bits);
|
|
}
|
|
|
|
static inline zig_i32 zig_byte_swap_i32(zig_i32 val, zig_u8 bits) {
|
|
return zig_wrap_i32((zig_i32)zig_byte_swap_u32((zig_u32)val, bits), bits);
|
|
}
|
|
|
|
static inline zig_u64 zig_byte_swap_u64(zig_u64 val, zig_u8 bits) {
|
|
zig_u64 full_res;
|
|
#if zig_has_builtin(bswap64)
|
|
full_res = __builtin_bswap64(val);
|
|
#else
|
|
full_res = (zig_u64)zig_byte_swap_u32((zig_u32)(val >> 0)) << 32 |
|
|
(zig_u64)zig_byte_swap_u32((zig_u32)(val >> 32)) >> 0;
|
|
#endif
|
|
return zig_wrap_u64(full_res >> (64 - bits), bits);
|
|
}
|
|
|
|
static inline zig_i64 zig_byte_swap_i64(zig_i64 val, zig_u8 bits) {
|
|
return zig_wrap_i64((zig_i64)zig_byte_swap_u64((zig_u64)val, bits), bits);
|
|
}
|
|
|
|
static inline zig_u8 zig_bit_reverse_u8(zig_u8 val, zig_u8 bits) {
|
|
zig_u8 full_res;
|
|
#if zig_has_builtin(bitreverse8)
|
|
full_res = __builtin_bitreverse8(val);
|
|
#else
|
|
static zig_u8 const lut[0x10] = {
|
|
0x0, 0x8, 0x4, 0xc, 0x2, 0xa, 0x6, 0xe,
|
|
0x1, 0x9, 0x5, 0xd, 0x3, 0xb, 0x7, 0xf
|
|
};
|
|
full_res = lut[val >> 0 & 0xF] << 4 | lut[val >> 4 & 0xF] << 0;
|
|
#endif
|
|
return zig_wrap_u8(full_res >> (8 - bits), bits);
|
|
}
|
|
|
|
static inline zig_i8 zig_bit_reverse_i8(zig_i8 val, zig_u8 bits) {
|
|
return zig_wrap_i8((zig_i8)zig_bit_reverse_u8((zig_u8)val, bits), bits);
|
|
}
|
|
|
|
static inline zig_u16 zig_bit_reverse_u16(zig_u16 val, zig_u8 bits) {
|
|
zig_u16 full_res;
|
|
#if zig_has_builtin(bitreverse16)
|
|
full_res = __builtin_bitreverse16(val);
|
|
#else
|
|
full_res = (zig_u16)zig_bit_reverse_u8((zig_u8)(val >> 0), 8) << 8 |
|
|
(zig_u16)zig_bit_reverse_u8((zig_u8)(val >> 8), 8) >> 0;
|
|
#endif
|
|
return zig_wrap_u16(full_res >> (16 - bits), bits);
|
|
}
|
|
|
|
static inline zig_i16 zig_bit_reverse_i16(zig_i16 val, zig_u8 bits) {
|
|
return zig_wrap_i16((zig_i16)zig_bit_reverse_u16((zig_u16)val, bits), bits);
|
|
}
|
|
|
|
static inline zig_u32 zig_bit_reverse_u32(zig_u32 val, zig_u8 bits) {
|
|
zig_u32 full_res;
|
|
#if zig_has_builtin(bitreverse32)
|
|
full_res = __builtin_bitreverse32(val);
|
|
#else
|
|
full_res = (zig_u32)zig_bit_reverse_u16((zig_u16)(val >> 0), 16) << 16 |
|
|
(zig_u32)zig_bit_reverse_u16((zig_u16)(val >> 16), 16) >> 0;
|
|
#endif
|
|
return zig_wrap_u32(full_res >> (32 - bits), bits);
|
|
}
|
|
|
|
static inline zig_i32 zig_bit_reverse_i32(zig_i32 val, zig_u8 bits) {
|
|
return zig_wrap_i32((zig_i32)zig_bit_reverse_u32((zig_u32)val, bits), bits);
|
|
}
|
|
|
|
static inline zig_u64 zig_bit_reverse_u64(zig_u64 val, zig_u8 bits) {
|
|
zig_u64 full_res;
|
|
#if zig_has_builtin(bitreverse64)
|
|
full_res = __builtin_bitreverse64(val);
|
|
#else
|
|
full_res = (zig_u64)zig_bit_reverse_u32((zig_u32)(val >> 0), 32) << 32 |
|
|
(zig_u64)zig_bit_reverse_u32((zig_u32)(val >> 32), 32) >> 0;
|
|
#endif
|
|
return zig_wrap_u64(full_res >> (64 - bits), bits);
|
|
}
|
|
|
|
static inline zig_i64 zig_bit_reverse_i64(zig_i64 val, zig_u8 bits) {
|
|
return zig_wrap_i64((zig_i64)zig_bit_reverse_u64((zig_u64)val, bits), bits);
|
|
}
|
|
|
|
/* ======================== 128-bit Integer Routines ======================== */
|
|
|
|
#if !defined(zig_has_int128)
|
|
# if defined(__SIZEOF_INT128__)
|
|
# define zig_has_int128 1
|
|
# else
|
|
# define zig_has_int128 0
|
|
# endif
|
|
#endif
|
|
|
|
#if zig_has_int128
|
|
|
|
typedef unsigned __int128 zig_u128;
|
|
typedef signed __int128 zig_i128;
|
|
|
|
#define zig_as_u128(hi, lo) ((zig_u128)(hi)<<64|(lo))
|
|
#define zig_as_i128(hi, lo) ((zig_i128)zig_as_u128(hi, lo))
|
|
#define zig_hi_u128(val) ((zig_u64)((val) >> 64))
|
|
#define zig_lo_u128(val) ((zig_u64)((val) >> 0))
|
|
#define zig_hi_i128(val) ((zig_i64)((val) >> 64))
|
|
#define zig_lo_i128(val) ((zig_u64)((val) >> 0))
|
|
#define zig_bitcast_u128(val) ((zig_u128)(val))
|
|
#define zig_bitcast_i128(val) ((zig_i128)(val))
|
|
#define zig_cmp_int128(Type) \
|
|
static inline zig_i32 zig_cmp_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return (lhs > rhs) - (lhs < rhs); \
|
|
}
|
|
#define zig_bit_int128(Type, operation, operator) \
|
|
static inline zig_##Type zig_##operation##_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return lhs operator rhs; \
|
|
}
|
|
|
|
#else /* zig_has_int128 */
|
|
|
|
#if __LITTLE_ENDIAN__ || _MSC_VER
|
|
typedef struct { zig_align(16) zig_u64 lo; zig_u64 hi; } zig_u128;
|
|
typedef struct { zig_align(16) zig_u64 lo; zig_i64 hi; } zig_i128;
|
|
#else
|
|
typedef struct { zig_align(16) zig_u64 hi; zig_u64 lo; } zig_u128;
|
|
typedef struct { zig_align(16) zig_i64 hi; zig_u64 lo; } zig_i128;
|
|
#endif
|
|
|
|
#define zig_as_u128(hi, lo) ((zig_u128){ .h##i = (hi), .l##o = (lo) })
|
|
#define zig_as_i128(hi, lo) ((zig_i128){ .h##i = (hi), .l##o = (lo) })
|
|
#define zig_hi_u128(val) ((val).hi)
|
|
#define zig_lo_u128(val) ((val).lo)
|
|
#define zig_hi_i128(val) ((val).hi)
|
|
#define zig_lo_i128(val) ((val).lo)
|
|
#define zig_bitcast_u128(val) zig_as_u128((zig_u64)(val).hi, (val).lo)
|
|
#define zig_bitcast_i128(val) zig_as_i128((zig_i64)(val).hi, (val).lo)
|
|
#define zig_cmp_int128(Type) \
|
|
static inline zig_i32 zig_cmp_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return (lhs.hi == rhs.hi) \
|
|
? (lhs.lo > rhs.lo) - (lhs.lo < rhs.lo) \
|
|
: (lhs.hi > rhs.hi) - (lhs.hi < rhs.hi); \
|
|
}
|
|
#define zig_bit_int128(Type, operation, operator) \
|
|
static inline zig_##Type zig_##operation##_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return (zig_##Type){ .hi = lhs.hi operator rhs.hi, .lo = lhs.lo operator rhs.lo }; \
|
|
}
|
|
|
|
#endif /* zig_has_int128 */
|
|
|
|
#define zig_minInt_u128 zig_as_u128(zig_minInt_u64, zig_minInt_u64)
|
|
#define zig_maxInt_u128 zig_as_u128(zig_maxInt_u64, zig_maxInt_u64)
|
|
#define zig_minInt_i128 zig_as_i128(zig_minInt_i64, zig_minInt_u64)
|
|
#define zig_maxInt_i128 zig_as_i128(zig_maxInt_i64, zig_maxInt_u64)
|
|
|
|
zig_cmp_int128(u128)
|
|
zig_cmp_int128(i128)
|
|
|
|
zig_bit_int128(u128, and, &)
|
|
zig_bit_int128(i128, and, &)
|
|
|
|
zig_bit_int128(u128, or, |)
|
|
zig_bit_int128(i128, or, |)
|
|
|
|
zig_bit_int128(u128, xor, ^)
|
|
zig_bit_int128(i128, xor, ^)
|
|
|
|
static inline zig_u128 zig_shr_u128(zig_u128 lhs, zig_u8 rhs);
|
|
|
|
#if zig_has_int128
|
|
|
|
static inline zig_u128 zig_not_u128(zig_u128 val, zig_u8 bits) {
|
|
return val ^ zig_maxInt(u128, bits);
|
|
}
|
|
|
|
static inline zig_i128 zig_not_i128(zig_i128 val, zig_u8 bits) {
|
|
(void)bits;
|
|
return ~val;
|
|
}
|
|
|
|
static inline zig_u128 zig_shr_u128(zig_u128 lhs, zig_u8 rhs) {
|
|
return lhs >> rhs;
|
|
}
|
|
|
|
static inline zig_u128 zig_shl_u128(zig_u128 lhs, zig_u8 rhs) {
|
|
return lhs << rhs;
|
|
}
|
|
|
|
static inline zig_i128 zig_shl_i128(zig_i128 lhs, zig_u8 rhs) {
|
|
return lhs << rhs;
|
|
}
|
|
|
|
static inline zig_u128 zig_add_u128(zig_u128 lhs, zig_u128 rhs) {
|
|
return lhs + rhs;
|
|
}
|
|
|
|
static inline zig_i128 zig_add_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
return lhs + rhs;
|
|
}
|
|
|
|
static inline zig_u128 zig_sub_u128(zig_u128 lhs, zig_u128 rhs) {
|
|
return lhs - rhs;
|
|
}
|
|
|
|
static inline zig_i128 zig_sub_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
return lhs - rhs;
|
|
}
|
|
|
|
static inline zig_u128 zig_mul_u128(zig_u128 lhs, zig_u128 rhs) {
|
|
return lhs * rhs;
|
|
}
|
|
|
|
static inline zig_i128 zig_mul_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
return lhs * rhs;
|
|
}
|
|
|
|
static inline zig_u128 zig_div_trunc_u128(zig_u128 lhs, zig_u128 rhs) {
|
|
return lhs / rhs;
|
|
}
|
|
|
|
static inline zig_i128 zig_div_trunc_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
return lhs / rhs;
|
|
}
|
|
|
|
static inline zig_u128 zig_rem_u128(zig_u128 lhs, zig_u128 rhs) {
|
|
return lhs % rhs;
|
|
}
|
|
|
|
static inline zig_i128 zig_rem_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
return lhs % rhs;
|
|
}
|
|
|
|
static inline zig_i128 zig_div_floor_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
return zig_div_trunc_i128(lhs, rhs) - (((lhs ^ rhs) & zig_rem_i128(lhs, rhs)) < zig_as_i128(0, 0));
|
|
}
|
|
|
|
static inline zig_i128 zig_mod_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
zig_i128 rem = zig_rem_i128(lhs, rhs);
|
|
return rem + (((lhs ^ rhs) & rem) < zig_as_i128(0, 0) ? rhs : zig_as_i128(0, 0));
|
|
}
|
|
|
|
#else /* zig_has_int128 */
|
|
|
|
static inline zig_u128 zig_not_u128(zig_u128 val, zig_u8 bits) {
|
|
return (zig_u128){ .hi = zig_not_u64(val.hi, bits - zig_as_u8(64)), .lo = zig_not_u64(val.lo, zig_as_u8(64)) };
|
|
}
|
|
|
|
static inline zig_i128 zig_not_i128(zig_i128 val, zig_u8 bits) {
|
|
return (zig_i128){ .hi = zig_not_i64(val.hi, bits - zig_as_u8(64)), .lo = zig_not_u64(val.lo, zig_as_u8(64)) };
|
|
}
|
|
|
|
static inline zig_u128 zig_shr_u128(zig_u128 lhs, zig_u8 rhs) {
|
|
if (rhs >= zig_as_u8(64)) return (zig_u128){ .hi = lhs.hi << (rhs - zig_as_u8(64)), .lo = zig_minInt_u64 };
|
|
return (zig_u128){ .hi = lhs.hi << rhs | lhs.lo >> (zig_as_u8(64) - rhs), .lo = lhs.lo << rhs };
|
|
}
|
|
|
|
static inline zig_u128 zig_shl_u128(zig_u128 lhs, zig_u8 rhs) {
|
|
if (rhs >= zig_as_u8(64)) return (zig_u128){ .hi = lhs.hi << (rhs - zig_as_u8(64)), .lo = zig_minInt_u64 };
|
|
return (zig_u128){ .hi = lhs.hi << rhs | lhs.lo >> (zig_as_u8(64) - rhs), .lo = lhs.lo << rhs };
|
|
}
|
|
|
|
static inline zig_i128 zig_shl_i128(zig_i128 lhs, zig_u8 rhs) {
|
|
if (rhs >= zig_as_u8(64)) return (zig_i128){ .hi = lhs.hi << (rhs - zig_as_u8(64)), .lo = zig_minInt_u64 };
|
|
return (zig_i128){ .hi = lhs.hi << rhs | lhs.lo >> (zig_as_u8(64) - rhs), .lo = lhs.lo << rhs };
|
|
}
|
|
|
|
static inline zig_u128 zig_add_u128(zig_u128 lhs, zig_u128 rhs) {
|
|
zig_u128 res;
|
|
res.hi = lhs.hi + rhs.hi + zig_addo_u64(&res.lo, lhs.lo, rhs.lo, zig_maxInt_u64);
|
|
return res;
|
|
}
|
|
|
|
static inline zig_i128 zig_add_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
zig_i128 res;
|
|
res.hi = lhs.hi + rhs.hi + zig_addo_u64(&res.lo, lhs.lo, rhs.lo, zig_maxInt_u64);
|
|
return res;
|
|
}
|
|
|
|
static inline zig_u128 zig_sub_u128(zig_u128 lhs, zig_u128 rhs) {
|
|
zig_u128 res;
|
|
res.hi = lhs.hi - rhs.hi - zig_subo_u64(&res.lo, lhs.lo, rhs.lo, zig_maxInt_u64);
|
|
return res;
|
|
}
|
|
|
|
static inline zig_i128 zig_sub_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
zig_i128 res;
|
|
res.hi = lhs.hi - rhs.hi - zig_subo_u64(&res.lo, lhs.lo, rhs.lo, zig_maxInt_u64);
|
|
return res;
|
|
}
|
|
|
|
static inline zig_i128 zig_div_floor_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
return zig_sub_i128(zig_div_trunc_i128(lhs, rhs), (((lhs.hi ^ rhs.hi) & zig_rem_i128(lhs, rhs).hi) < zig_as_i64(0)) ? zig_as_i128(0, 1) : zig_as_i128(0, 0));
|
|
}
|
|
|
|
static inline zig_i128 zig_mod_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
zig_i128 rem = zig_rem_i128(lhs, rhs);
|
|
return rem + (((lhs.hi ^ rhs.hi) & rem.hi) < zig_as_i64(0) ? rhs : zig_as_i128(0, 0));
|
|
}
|
|
|
|
#endif /* zig_has_int128 */
|
|
|
|
#define zig_div_floor_u128 zig_div_trunc_u128
|
|
#define zig_mod_u128 zig_rem_u128
|
|
|
|
static inline zig_u128 zig_min_u128(zig_u128 lhs, zig_u128 rhs) {
|
|
return zig_cmp_u128(lhs, rhs) < zig_as_i32(0) ? lhs : rhs;
|
|
}
|
|
|
|
static inline zig_i128 zig_min_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
return zig_cmp_i128(lhs, rhs) < zig_as_i32(0) ? lhs : rhs;
|
|
}
|
|
|
|
static inline zig_u128 zig_max_u128(zig_u128 lhs, zig_u128 rhs) {
|
|
return zig_cmp_u128(lhs, rhs) > zig_as_i32(0) ? lhs : rhs;
|
|
}
|
|
|
|
static inline zig_i128 zig_max_i128(zig_i128 lhs, zig_i128 rhs) {
|
|
return zig_cmp_i128(lhs, rhs) > zig_as_i32(0) ? lhs : rhs;
|
|
}
|
|
|
|
static inline zig_i128 zig_shr_i128(zig_i128 lhs, zig_u8 rhs) {
|
|
zig_i128 sign_mask = zig_cmp_i128(lhs, zig_as_i128(0, 0)) < zig_as_i32(0) ? -zig_as_i128(0, 1) : zig_as_i128(0, 0);
|
|
return zig_xor_i128(zig_bitcast_i128(zig_shr_u128(zig_bitcast_u128(zig_xor_i128(lhs, sign_mask)), rhs)), sign_mask);
|
|
}
|
|
|
|
static inline zig_u128 zig_wrap_u128(zig_u128 val, zig_u8 bits) {
|
|
return zig_and_u128(val, zig_maxInt(u128, bits));
|
|
}
|
|
|
|
static inline zig_i128 zig_wrap_i128(zig_i128 val, zig_u8 bits) {
|
|
return zig_as_i128(zig_wrap_i64(zig_hi_i128(val), bits - zig_as_u8(64)), zig_lo_i128(val));
|
|
}
|
|
|
|
static inline zig_u128 zig_shlw_u128(zig_u128 lhs, zig_u8 rhs, zig_u8 bits) {
|
|
return zig_wrap_u128(zig_shl_u128(lhs, rhs), bits);
|
|
}
|
|
|
|
static inline zig_i128 zig_shlw_i128(zig_i128 lhs, zig_u8 rhs, zig_u8 bits) {
|
|
return zig_wrap_i128(zig_bitcast_i128(zig_shl_u128(zig_bitcast_u128(lhs), zig_bitcast_u128(rhs))), bits);
|
|
}
|
|
|
|
static inline zig_u128 zig_addw_u128(zig_u128 lhs, zig_u8 rhs, zig_u8 bits) {
|
|
return zig_wrap_u128(zig_add_u128(lhs, rhs), bits);
|
|
}
|
|
|
|
static inline zig_i128 zig_addw_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
|
|
return zig_wrap_i128(zig_bitcast_i128(zig_add_u128(zig_bitcast_u128(lhs), zig_bitcast_u128(rhs))), bits);
|
|
}
|
|
|
|
static inline zig_u128 zig_subw_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
|
|
return zig_wrap_u128(zig_sub_u128(lhs, rhs), bits);
|
|
}
|
|
|
|
static inline zig_i128 zig_subw_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
|
|
return zig_wrap_i128(zig_bitcast_i128(zig_sub_u128(zig_bitcast_u128(lhs), zig_bitcast_u128(rhs))), bits);
|
|
}
|
|
|
|
static inline zig_u128 zig_mulw_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
|
|
return zig_wrap_u128(zig_mul_u128(lhs, rhs), bits);
|
|
}
|
|
|
|
static inline zig_i128 zig_mulw_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
|
|
return zig_wrap_i128(zig_bitcast_i128(zig_mul_u128(zig_bitcast_u128(lhs), zig_bitcast_u128(rhs))), bits);
|
|
}
|
|
|
|
#if zig_has_int128
|
|
|
|
static inline zig_bool zig_shlo_u128(zig_u128 *res, zig_u128 lhs, zig_u8 rhs, zig_u8 bits) {
|
|
*res = zig_shlw_u128(lhs, rhs, bits);
|
|
return zig_and_u128(lhs, zig_shl_u128(zig_maxInt_u128, bits - rhs)) != zig_as_u128(0, 0);
|
|
}
|
|
|
|
static inline zig_bool zig_shlo_i128(zig_i128 *res, zig_i128 lhs, zig_u8 rhs, zig_u8 bits) {
|
|
*res = zig_shlw_i128(lhs, rhs, bits);
|
|
zig_i128 mask = zig_bitcast_i128(zig_shl_u128(zig_maxInt_u128, bits - rhs - zig_as_u8(1)));
|
|
return zig_cmp_i128(zig_and_i128(lhs, mask), zig_as_i128(0, 0)) != zig_as_i32(0) &&
|
|
zig_cmp_i128(zig_and_i128(lhs, mask), mask) != zig_as_i32(0);
|
|
}
|
|
|
|
static inline zig_bool zig_addo_u128(zig_u128 *res, zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(add_overflow)
|
|
zig_u128 full_res;
|
|
zig_bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u128(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u128, bits) || full_res > zig_maxInt(u128, bits);
|
|
#else
|
|
*res = zig_addw_u128(lhs, rhs, bits);
|
|
return *res < lhs;
|
|
#endif
|
|
}
|
|
|
|
zig_extern zig_i128 __addoti4(zig_i128 lhs, zig_i128 rhs, zig_c_int *overflow);
|
|
static inline zig_bool zig_addo_i128(zig_i128 *res, zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(add_overflow)
|
|
zig_i128 full_res;
|
|
zig_bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
|
|
#else
|
|
zig_c_int overflow_int;
|
|
zig_i128 full_res = __addoti4(lhs, rhs, &overflow_int);
|
|
zig_bool overflow = overflow_int != 0;
|
|
#endif
|
|
*res = zig_wrap_i128(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i128, bits) || full_res > zig_maxInt(i128, bits);
|
|
}
|
|
|
|
static inline zig_bool zig_subo_u128(zig_u128 *res, zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(sub_overflow)
|
|
zig_u128 full_res;
|
|
zig_bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u128(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u128, bits) || full_res > zig_maxInt(u128, bits);
|
|
#else
|
|
*res = zig_subw_u128(lhs, rhs, bits);
|
|
return *res > lhs;
|
|
#endif
|
|
}
|
|
|
|
zig_extern zig_i128 __suboti4(zig_i128 lhs, zig_i128 rhs, zig_c_int *overflow);
|
|
static inline zig_bool zig_subo_i128(zig_i128 *res, zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(sub_overflow)
|
|
zig_i128 full_res;
|
|
zig_bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
|
|
#else
|
|
zig_c_int overflow_int;
|
|
zig_i128 full_res = __suboti4(lhs, rhs, &overflow_int);
|
|
zig_bool overflow = overflow_int != 0;
|
|
#endif
|
|
*res = zig_wrap_i128(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i128, bits) || full_res > zig_maxInt(i128, bits);
|
|
}
|
|
|
|
static inline zig_bool zig_mulo_u128(zig_u128 *res, zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(mul_overflow)
|
|
zig_u128 full_res;
|
|
zig_bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
|
|
*res = zig_wrap_u128(full_res, bits);
|
|
return overflow || full_res < zig_minInt(u128, bits) || full_res > zig_maxInt(u128, bits);
|
|
#else
|
|
*res = zig_mulw_u128(lhs, rhs, bits);
|
|
return rhs != zig_as_u128(0, 0) && lhs > zig_maxInt(u128, bits) / rhs;
|
|
#endif
|
|
}
|
|
|
|
zig_extern zig_i128 __muloti4(zig_i128 lhs, zig_i128 rhs, zig_c_int *overflow);
|
|
static inline zig_bool zig_mulo_i128(zig_i128 *res, zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
|
|
#if zig_has_builtin(mul_overflow)
|
|
zig_i128 full_res;
|
|
zig_bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
|
|
#else
|
|
zig_c_int overflow_int;
|
|
zig_i128 full_res = __muloti4(lhs, rhs, &overflow);
|
|
zig_bool overflow = overflow_int != 0;
|
|
#endif
|
|
*res = zig_wrap_i128(full_res, bits);
|
|
return overflow || full_res < zig_minInt(i128, bits) || full_res > zig_maxInt(i128, bits);
|
|
}
|
|
|
|
#else /* zig_has_int128 */
|
|
|
|
static inline zig_bool zig_addo_u128(zig_u128 *res, zig_u128 lhs, zig_u128 rhs) {
|
|
return zig_addo_u64(&res->hi, lhs.hi, rhs.hi, UINT64_MAX) |
|
|
zig_addo_u64(&res->hi, res->hi, zig_addo_u64(&res->lo, lhs.lo, rhs.lo, UINT64_MAX));
|
|
}
|
|
|
|
static inline zig_bool zig_subo_u128(zig_u128 *res, zig_u128 lhs, zig_u128 rhs) {
|
|
return zig_subo_u64(&res->hi, lhs.hi, rhs.hi, UINT64_MAX) |
|
|
zig_subo_u64(&res->hi, res->hi, zig_subo_u64(&res->lo, lhs.lo, rhs.lo, UINT64_MAX));
|
|
}
|
|
|
|
#endif /* zig_has_int128 */
|
|
|
|
static inline zig_u128 zig_shls_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
|
|
zig_u128 res;
|
|
if (zig_cmp_u128(rhs, zig_as_u128(0, bits)) >= zig_as_i32(0))
|
|
return zig_cmp_u128(lhs, zig_as_u128(0, 0)) != zig_as_i32(0) ? zig_maxInt(u128, bits) : lhs;
|
|
return zig_shlo_u128(&res, lhs, (zig_u8)rhs, bits) ? zig_maxInt(u128, bits) : res;
|
|
}
|
|
|
|
static inline zig_i128 zig_shls_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
|
|
zig_i128 res;
|
|
if (zig_cmp_u128(zig_bitcast_u128(rhs), zig_as_u128(0, bits)) < zig_as_i32(0) && !zig_shlo_i128(&res, lhs, rhs, bits)) return res;
|
|
return zig_cmp_i128(lhs, zig_as_i128(0, 0)) < zig_as_i32(0) ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
|
|
}
|
|
|
|
static inline zig_u128 zig_adds_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
|
|
zig_u128 res;
|
|
return zig_addo_u128(&res, lhs, rhs, bits) ? zig_maxInt(u128, bits) : res;
|
|
}
|
|
|
|
static inline zig_i128 zig_adds_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
|
|
zig_i128 res;
|
|
if (!zig_addo_i128(&res, lhs, rhs, bits)) return res;
|
|
return zig_cmp_i128(res, zig_as_i128(0, 0)) >= zig_as_i32(0) ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
|
|
}
|
|
|
|
static inline zig_u128 zig_subs_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
|
|
zig_u128 res;
|
|
return zig_subo_u128(&res, lhs, rhs, bits) ? zig_minInt(u128, bits) : res;
|
|
}
|
|
|
|
static inline zig_i128 zig_subs_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
|
|
zig_i128 res;
|
|
if (!zig_subo_i128(&res, lhs, rhs, bits)) return res;
|
|
return zig_cmp_i128(res, zig_as_i128(0, 0)) >= zig_as_i32(0) ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
|
|
}
|
|
|
|
static inline zig_u128 zig_muls_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
|
|
zig_u128 res;
|
|
return zig_mulo_u128(&res, lhs, rhs, bits) ? zig_maxInt(u128, bits) : res;
|
|
}
|
|
|
|
static inline zig_i128 zig_muls_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
|
|
zig_i128 res;
|
|
if (!zig_mulo_i128(&res, lhs, rhs, bits)) return res;
|
|
return zig_cmp_i128(zig_xor_i128(lhs, rhs), zig_as_i128(0, 0)) < zig_as_i32(0) ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
|
|
}
|
|
|
|
static inline zig_u8 zig_clz_u128(zig_u128 val, zig_u8 bits) {
|
|
if (zig_hi_u128(val) != 0) return zig_clz_u64(zig_hi_u128(val), bits - zig_as_u8(64));
|
|
return zig_clz_u64(zig_lo_u128(val), zig_as_u8(64)) + zig_as_u8(64);
|
|
}
|
|
|
|
static inline zig_u8 zig_clz_i128(zig_i128 val, zig_u8 bits) {
|
|
return zig_clz_u128(zig_bitcast_u128(val), bits);
|
|
}
|
|
|
|
static inline zig_u8 zig_ctz_u128(zig_u128 val, zig_u8 bits) {
|
|
if (zig_lo_u128(val) != 0) return zig_ctz_u64(zig_lo_u128(val), zig_as_u8(64));
|
|
return zig_ctz_u64(zig_hi_u128(val), bits - zig_as_u8(64)) + zig_as_u8(64);
|
|
}
|
|
|
|
static inline zig_u8 zig_ctz_i128(zig_i128 val, zig_u8 bits) {
|
|
return zig_ctz_u128(zig_bitcast_u128(val), bits);
|
|
}
|
|
|
|
static inline zig_u8 zig_popcount_u128(zig_u128 val, zig_u8 bits) {
|
|
return zig_popcount_u64(zig_hi_u128(val), bits - zig_as_u8(64)) +
|
|
zig_popcount_u64(zig_lo_u128(val), zig_as_u8(64));
|
|
}
|
|
|
|
static inline zig_u8 zig_popcount_i128(zig_i128 val, zig_u8 bits) {
|
|
return zig_popcount_u128(zig_bitcast_u128(val), bits);
|
|
}
|
|
|
|
static inline zig_u128 zig_byte_swap_u128(zig_u128 val, zig_u8 bits) {
|
|
zig_u128 full_res;
|
|
#if zig_has_builtin(bswap128)
|
|
full_res = __builtin_bswap128(val);
|
|
#else
|
|
full_res = zig_as_u128(zig_byte_swap_u64(zig_lo_u128(val), zig_as_u8(64)),
|
|
zig_byte_swap_u64(zig_hi_u128(val), zig_as_u8(64)));
|
|
#endif
|
|
return zig_shr_u128(full_res, zig_as_u8(128) - bits);
|
|
}
|
|
|
|
static inline zig_i128 zig_byte_swap_i128(zig_i128 val, zig_u8 bits) {
|
|
return zig_byte_swap_u128(zig_bitcast_u128(val), bits);
|
|
}
|
|
|
|
static inline zig_u128 zig_bit_reverse_u128(zig_u128 val, zig_u8 bits) {
|
|
return zig_shr_u128(zig_as_u128(zig_bit_reverse_u64(zig_lo_u128(val), zig_as_u8(64)),
|
|
zig_bit_reverse_u64(zig_hi_u128(val), zig_as_u8(64))),
|
|
zig_as_u8(128) - bits);
|
|
}
|
|
|
|
static inline zig_i128 zig_bit_reverse_i128(zig_i128 val, zig_u8 bits) {
|
|
return zig_bit_reverse_u128(zig_bitcast_u128(val), bits);
|
|
}
|
|
|
|
/* ========================= Floating Point Support ========================= */
|
|
|
|
#define zig_has_f16 1
|
|
#define zig_bitSizeOf_f16 16
|
|
#define zig_libc_name_f16(name) __##name##h
|
|
#define zig_as_special_f16(sign, name, arg, repr) sign zig_as_f16(__builtin_##name, )(arg)
|
|
#if FLT_MANT_DIG == 11
|
|
typedef float zig_f16;
|
|
#define zig_as_f16(fp, repr) fp##f
|
|
#elif DBL_MANT_DIG == 11
|
|
typedef double zig_f16;
|
|
#define zig_as_f16(fp, repr) fp
|
|
#elif LDBL_MANT_DIG == 11
|
|
#define zig_bitSizeOf_c_longdouble 16
|
|
typedef long double zig_f16;
|
|
#define zig_as_f16(fp, repr) fp##l
|
|
#elif FLT16_MANT_DIG == 11
|
|
typedef _Float16 zig_f16;
|
|
#define zig_as_f16(fp, repr) fp##f16
|
|
#elif defined(__SIZEOF_FP16__)
|
|
typedef __fp16 zig_f16;
|
|
#define zig_as_f16(fp, repr) fp##f16
|
|
#else
|
|
#undef zig_has_f16
|
|
#define zig_has_f16 0
|
|
#define zig_repr_f16 i16
|
|
typedef zig_i16 zig_f16;
|
|
#define zig_as_f16(fp, repr) repr
|
|
#undef zig_as_special_f16
|
|
#define zig_as_special_f16(sign, name, arg, repr) repr
|
|
#endif
|
|
|
|
#define zig_has_f32 1
|
|
#define zig_bitSizeOf_f32 32
|
|
#define zig_libc_name_f32(name) name##f
|
|
#define zig_as_special_f32(sign, name, arg, repr) sign zig_as_f32(__builtin_##name, )(arg)
|
|
#if FLT_MANT_DIG == 24
|
|
typedef float zig_f32;
|
|
#define zig_as_f32(fp, repr) fp##f
|
|
#elif DBL_MANT_DIG == 24
|
|
typedef double zig_f32;
|
|
#define zig_as_f32(fp, repr) fp
|
|
#elif LDBL_MANT_DIG == 24
|
|
#define zig_bitSizeOf_c_longdouble 32
|
|
typedef long double zig_f32;
|
|
#define zig_as_f32(fp, repr) fp##l
|
|
#elif FLT32_MANT_DIG == 24
|
|
typedef _Float32 zig_f32;
|
|
#define zig_as_f32(fp, repr) fp##f32
|
|
#else
|
|
#undef zig_has_f32
|
|
#define zig_has_f32 0
|
|
#define zig_repr_f32 i32
|
|
typedef zig_i32 zig_f32;
|
|
#define zig_as_f32(fp, repr) repr
|
|
#undef zig_as_special_f32
|
|
#define zig_as_special_f32(sign, name, arg, repr) repr
|
|
#endif
|
|
|
|
#define zig_has_f64 1
|
|
#define zig_bitSizeOf_f64 64
|
|
#define zig_libc_name_f64(name) name
|
|
#define zig_as_special_f64(sign, name, arg, repr) sign zig_as_f64(__builtin_##name, )(arg)
|
|
#if FLT_MANT_DIG == 53
|
|
typedef float zig_f64;
|
|
#define zig_as_f64(fp, repr) fp##f
|
|
#elif DBL_MANT_DIG == 53
|
|
typedef double zig_f64;
|
|
#define zig_as_f64(fp, repr) fp
|
|
#elif LDBL_MANT_DIG == 53
|
|
#define zig_bitSizeOf_c_longdouble 64
|
|
typedef long double zig_f64;
|
|
#define zig_as_f64(fp, repr) fp##l
|
|
#elif FLT64_MANT_DIG == 53
|
|
typedef _Float64 zig_f64;
|
|
#define zig_as_f64(fp, repr) fp##f64
|
|
#elif FLT32X_MANT_DIG == 53
|
|
typedef _Float32x zig_f64;
|
|
#define zig_as_f64(fp, repr) fp##f32x
|
|
#else
|
|
#undef zig_has_f64
|
|
#define zig_has_f64 0
|
|
#define zig_repr_f64 i64
|
|
typedef zig_i64 zig_f64;
|
|
#define zig_as_f64(fp, repr) repr
|
|
#undef zig_as_special_f64
|
|
#define zig_as_special_f64(sign, name, arg, repr) repr
|
|
#endif
|
|
|
|
#define zig_has_f80 1
|
|
#define zig_bitSizeOf_f80 80
|
|
#define zig_libc_name_f80(name) __##name##x
|
|
#define zig_as_special_f80(sign, name, arg, repr) sign zig_as_f80(__builtin_##name, )(arg)
|
|
#if FLT_MANT_DIG == 64
|
|
typedef float zig_f80;
|
|
#define zig_as_f80(fp, repr) fp##f
|
|
#elif DBL_MANT_DIG == 64
|
|
typedef double zig_f80;
|
|
#define zig_as_f80(fp, repr) fp
|
|
#elif LDBL_MANT_DIG == 64
|
|
#define zig_bitSizeOf_c_longdouble 80
|
|
typedef long double zig_f80;
|
|
#define zig_as_f80(fp, repr) fp##l
|
|
#elif FLT80_MANT_DIG == 64
|
|
typedef _Float80 zig_f80;
|
|
#define zig_as_f80(fp, repr) fp##f80
|
|
#elif FLT64X_MANT_DIG == 64
|
|
typedef _Float64x zig_f80;
|
|
#define zig_as_f80(fp, repr) fp##f64x
|
|
#elif defined(__SIZEOF_FLOAT80__)
|
|
typedef __float80 zig_f80;
|
|
#define zig_as_f80(fp, repr) fp##l
|
|
#else
|
|
#undef zig_has_f80
|
|
#define zig_has_f80 0
|
|
#define zig_repr_f80 i128
|
|
typedef zig_i128 zig_f80;
|
|
#define zig_as_f80(fp, repr) repr
|
|
#undef zig_as_special_f80
|
|
#define zig_as_special_f80(sign, name, arg, repr) repr
|
|
#endif
|
|
|
|
#define zig_has_f128 1
|
|
#define zig_bitSizeOf_f128 128
|
|
#define zig_libc_name_f128(name) name##q
|
|
#define zig_as_special_f128(sign, name, arg, repr) sign zig_as_f128(__builtin_##name, )(arg)
|
|
#if FLT_MANT_DIG == 113
|
|
typedef float zig_f128;
|
|
#define zig_as_f128(fp, repr) fp##f
|
|
#elif DBL_MANT_DIG == 113
|
|
typedef double zig_f128;
|
|
#define zig_as_f128(fp, repr) fp
|
|
#elif LDBL_MANT_DIG == 113
|
|
#define zig_bitSizeOf_c_longdouble 128
|
|
typedef long double zig_f128;
|
|
#define zig_as_f128(fp, repr) fp##l
|
|
#elif FLT128_MANT_DIG == 113
|
|
typedef _Float128 zig_f128;
|
|
#define zig_as_f128(fp, repr) fp##f128
|
|
#elif FLT64X_MANT_DIG == 113
|
|
typedef _Float64x zig_f128;
|
|
#define zig_as_f128(fp, repr) fp##f64x
|
|
#elif defined(__SIZEOF_FLOAT128__)
|
|
typedef __float128 zig_f128;
|
|
#define zig_as_f128(fp, repr) fp##q
|
|
#undef zig_as_special_f128
|
|
#define zig_as_special_f128(sign, name, arg, repr) sign __builtin_##name##f128(arg)
|
|
#else
|
|
#undef zig_has_f128
|
|
#define zig_has_f128 0
|
|
#define zig_repr_f128 i128
|
|
typedef zig_i128 zig_f128;
|
|
#define zig_as_f128(fp, repr) repr
|
|
#undef zig_as_special_f128
|
|
#define zig_as_special_f128(sign, name, arg, repr) repr
|
|
#endif
|
|
|
|
#define zig_has_c_longdouble 1
|
|
typedef long double zig_c_longdouble;
|
|
#define zig_as_c_longdouble(fp, repr) fp##l
|
|
#define zig_libc_name_c_longdouble(name) name##l
|
|
#define zig_as_special_c_longdouble(sign, name, arg, repr) sign __builtin_##name##l(arg)
|
|
|
|
#define zig_convert_builtin(ResType, operation, ArgType, version) \
|
|
zig_extern zig_##ResType zig_expand_concat(zig_expand_concat(zig_expand_concat(__##operation, \
|
|
zig_compiler_rt_abbrev_##ArgType), zig_compiler_rt_abbrev_##ResType), version)(zig_##ArgType);
|
|
zig_convert_builtin(f16, trunc, f32, 2)
|
|
zig_convert_builtin(f16, trunc, f64, 2)
|
|
zig_convert_builtin(f16, trunc, f80, 2)
|
|
zig_convert_builtin(f16, trunc, f128, 2)
|
|
zig_convert_builtin(f32, extend, f16, 2)
|
|
zig_convert_builtin(f32, trunc, f64, 2)
|
|
zig_convert_builtin(f32, trunc, f80, 2)
|
|
zig_convert_builtin(f32, trunc, f128, 2)
|
|
zig_convert_builtin(f64, extend, f16, 2)
|
|
zig_convert_builtin(f64, extend, f32, 2)
|
|
zig_convert_builtin(f64, trunc, f80, 2)
|
|
zig_convert_builtin(f64, trunc, f128, 2)
|
|
zig_convert_builtin(f80, extend, f16, 2)
|
|
zig_convert_builtin(f80, extend, f32, 2)
|
|
zig_convert_builtin(f80, extend, f64, 2)
|
|
zig_convert_builtin(f80, trunc, f128, 2)
|
|
zig_convert_builtin(f128, extend, f16, 2)
|
|
zig_convert_builtin(f128, extend, f32, 2)
|
|
zig_convert_builtin(f128, extend, f64, 2)
|
|
zig_convert_builtin(f128, extend, f80, 2)
|
|
|
|
#define zig_float_negate_builtin_0(Type) \
|
|
static inline zig_##Type zig_neg_##Type(zig_##Type arg) { \
|
|
return zig_expand_concat(zig_xor_, zig_repr_##Type)(arg, zig_expand_minInt(zig_repr_##Type, zig_bitSizeOf_##Type)); \
|
|
}
|
|
#define zig_float_negate_builtin_1(Type) \
|
|
static inline zig_##Type zig_neg_##Type(zig_##Type arg) { \
|
|
return -arg; \
|
|
}
|
|
|
|
#define zig_float_less_builtin_0(Type, operation) \
|
|
zig_extern zig_i32 zig_expand_concat(zig_expand_concat(__##operation, \
|
|
zig_compiler_rt_abbrev_##Type), 2)(zig_##Type, zig_##Type); \
|
|
static inline zig_i32 zig_##operation##_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return zig_expand_concat(zig_expand_concat(__##operation, zig_compiler_rt_abbrev_##Type), 2)(lhs, rhs); \
|
|
}
|
|
#define zig_float_less_builtin_1(Type, operation) \
|
|
static inline zig_i32 zig_##operation##_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return (!(lhs <= rhs) - (lhs < rhs)); \
|
|
}
|
|
|
|
#define zig_float_greater_builtin_0(Type, operation) \
|
|
zig_float_less_builtin_0(Type, operation)
|
|
#define zig_float_greater_builtin_1(Type, operation) \
|
|
static inline zig_i32 zig_##operation##_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return ((lhs > rhs) - !(lhs >= rhs)); \
|
|
}
|
|
|
|
#define zig_float_binary_builtin_0(Type, operation, operator) \
|
|
zig_extern zig_##Type zig_expand_concat(zig_expand_concat(__##operation, \
|
|
zig_compiler_rt_abbrev_##Type), 3)(zig_##Type, zig_##Type); \
|
|
static inline zig_##Type zig_##operation##_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return zig_expand_concat(zig_expand_concat(__##operation, zig_compiler_rt_abbrev_##Type), 3)(lhs, rhs); \
|
|
}
|
|
#define zig_float_binary_builtin_1(Type, operation, operator) \
|
|
static inline zig_##Type zig_##operation##_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return lhs operator rhs; \
|
|
}
|
|
|
|
#define zig_float_builtins(Type) \
|
|
zig_convert_builtin(i32, fix, Type, ) \
|
|
zig_convert_builtin(u32, fixuns, Type, ) \
|
|
zig_convert_builtin(i64, fix, Type, ) \
|
|
zig_convert_builtin(u64, fixuns, Type, ) \
|
|
zig_convert_builtin(i128, fix, Type, ) \
|
|
zig_convert_builtin(u128, fixuns, Type, ) \
|
|
zig_convert_builtin(Type, float, i32, ) \
|
|
zig_convert_builtin(Type, floatun, u32, ) \
|
|
zig_convert_builtin(Type, float, i64, ) \
|
|
zig_convert_builtin(Type, floatun, u64, ) \
|
|
zig_convert_builtin(Type, float, i128, ) \
|
|
zig_convert_builtin(Type, floatun, u128, ) \
|
|
zig_expand_concat(zig_float_negate_builtin_, zig_has_##Type)(Type) \
|
|
zig_expand_concat(zig_float_less_builtin_, zig_has_##Type)(Type, cmp) \
|
|
zig_expand_concat(zig_float_less_builtin_, zig_has_##Type)(Type, ne) \
|
|
zig_expand_concat(zig_float_less_builtin_, zig_has_##Type)(Type, eq) \
|
|
zig_expand_concat(zig_float_less_builtin_, zig_has_##Type)(Type, lt) \
|
|
zig_expand_concat(zig_float_less_builtin_, zig_has_##Type)(Type, le) \
|
|
zig_expand_concat(zig_float_greater_builtin_, zig_has_##Type)(Type, gt) \
|
|
zig_expand_concat(zig_float_greater_builtin_, zig_has_##Type)(Type, ge) \
|
|
zig_expand_concat(zig_float_binary_builtin_, zig_has_##Type)(Type, add, +) \
|
|
zig_expand_concat(zig_float_binary_builtin_, zig_has_##Type)(Type, sub, -) \
|
|
zig_expand_concat(zig_float_binary_builtin_, zig_has_##Type)(Type, mul, *) \
|
|
zig_expand_concat(zig_float_binary_builtin_, zig_has_##Type)(Type, div, /) \
|
|
zig_extern zig_##Type zig_libc_name_##Type(sqrt)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(sin)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(cos)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(tan)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(exp)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(exp2)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(log)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(log2)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(log10)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(fabs)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(floor)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(ceil)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(round)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(trunc)(zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(fmod)(zig_##Type, zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(fmin)(zig_##Type, zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(fmax)(zig_##Type, zig_##Type); \
|
|
zig_extern zig_##Type zig_libc_name_##Type(fma)(zig_##Type, zig_##Type, zig_##Type); \
|
|
\
|
|
static inline zig_##Type zig_div_trunc_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return zig_libc_name_##Type(trunc)(zig_div_##Type(lhs, rhs)); \
|
|
} \
|
|
\
|
|
static inline zig_##Type zig_div_floor_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return zig_libc_name_##Type(floor)(zig_div_##Type(lhs, rhs)); \
|
|
} \
|
|
\
|
|
static inline zig_##Type zig_mod_##Type(zig_##Type lhs, zig_##Type rhs) { \
|
|
return zig_sub_##Type(lhs, zig_mul_##Type(zig_div_floor_##Type(lhs, rhs), rhs)); \
|
|
}
|
|
zig_float_builtins(f16)
|
|
zig_float_builtins(f32)
|
|
zig_float_builtins(f64)
|
|
zig_float_builtins(f80)
|
|
zig_float_builtins(f128)
|
|
zig_float_builtins(c_longdouble)
|