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-rw-r--r--3rdparty/asmjit/src/asmjit/core/support.h1522
1 files changed, 912 insertions, 610 deletions
diff --git a/3rdparty/asmjit/src/asmjit/core/support.h b/3rdparty/asmjit/src/asmjit/core/support.h
index 9e2bee477cb..345cf8cf4cd 100644
--- a/3rdparty/asmjit/src/asmjit/core/support.h
+++ b/3rdparty/asmjit/src/asmjit/core/support.h
@@ -1,25 +1,7 @@
-// AsmJit - Machine code generation for C++
+// This file is part of AsmJit project <https://asmjit.com>
//
-// * Official AsmJit Home Page: https://asmjit.com
-// * Official Github Repository: https://github.com/asmjit/asmjit
-//
-// Copyright (c) 2008-2020 The AsmJit Authors
-//
-// This software is provided 'as-is', without any express or implied
-// warranty. In no event will the authors be held liable for any damages
-// arising from the use of this software.
-//
-// Permission is granted to anyone to use this software for any purpose,
-// including commercial applications, and to alter it and redistribute it
-// freely, subject to the following restrictions:
-//
-// 1. The origin of this software must not be misrepresented; you must not
-// claim that you wrote the original software. If you use this software
-// in a product, an acknowledgment in the product documentation would be
-// appreciated but is not required.
-// 2. Altered source versions must be plainly marked as such, and must not be
-// misrepresented as being the original software.
-// 3. This notice may not be removed or altered from any source distribution.
+// See asmjit.h or LICENSE.md for license and copyright information
+// SPDX-License-Identifier: Zlib
#ifndef ASMJIT_CORE_SUPPORT_H_INCLUDED
#define ASMJIT_CORE_SUPPORT_H_INCLUDED
@@ -35,39 +17,34 @@ ASMJIT_BEGIN_NAMESPACE
//! \addtogroup asmjit_utilities
//! \{
-//! Contains support classes and functions that may be used by AsmJit source
-//! and header files. Anything defined here is considered internal and should
-//! not be used outside of AsmJit and related projects like AsmTK.
+//! Contains support classes and functions that may be used by AsmJit source and header files. Anything defined
+//! here is considered internal and should not be used outside of AsmJit and related projects like AsmTK.
namespace Support {
-// ============================================================================
-// [asmjit::Support - Architecture Features & Constraints]
-// ============================================================================
+// Support - Basic Traits
+// ======================
-//! \cond INTERNAL
-static constexpr bool kUnalignedAccess16 = ASMJIT_ARCH_X86 != 0;
-static constexpr bool kUnalignedAccess32 = ASMJIT_ARCH_X86 != 0;
-static constexpr bool kUnalignedAccess64 = ASMJIT_ARCH_X86 != 0;
-//! \endcond
-
-// ============================================================================
-// [asmjit::Support - Internal]
-// ============================================================================
+#if ASMJIT_ARCH_X86
+typedef uint8_t FastUInt8;
+#else
+typedef uint32_t FastUInt8;
+#endif
//! \cond INTERNAL
namespace Internal {
template<typename T, size_t Alignment>
- struct AlignedInt {};
-
- template<> struct AlignedInt<uint16_t, 1> { typedef uint16_t ASMJIT_ALIGN_TYPE(T, 1); };
- template<> struct AlignedInt<uint16_t, 2> { typedef uint16_t T; };
- template<> struct AlignedInt<uint32_t, 1> { typedef uint32_t ASMJIT_ALIGN_TYPE(T, 1); };
- template<> struct AlignedInt<uint32_t, 2> { typedef uint32_t ASMJIT_ALIGN_TYPE(T, 2); };
- template<> struct AlignedInt<uint32_t, 4> { typedef uint32_t T; };
- template<> struct AlignedInt<uint64_t, 1> { typedef uint64_t ASMJIT_ALIGN_TYPE(T, 1); };
- template<> struct AlignedInt<uint64_t, 2> { typedef uint64_t ASMJIT_ALIGN_TYPE(T, 2); };
- template<> struct AlignedInt<uint64_t, 4> { typedef uint64_t ASMJIT_ALIGN_TYPE(T, 4); };
- template<> struct AlignedInt<uint64_t, 8> { typedef uint64_t T; };
+ struct AliasedUInt {};
+
+ template<> struct AliasedUInt<uint16_t, 2> { typedef uint16_t ASMJIT_MAY_ALIAS T; };
+ template<> struct AliasedUInt<uint32_t, 4> { typedef uint32_t ASMJIT_MAY_ALIAS T; };
+ template<> struct AliasedUInt<uint64_t, 8> { typedef uint64_t ASMJIT_MAY_ALIAS T; };
+
+ template<> struct AliasedUInt<uint16_t, 1> { typedef uint16_t ASMJIT_MAY_ALIAS ASMJIT_ALIGN_TYPE(T, 1); };
+ template<> struct AliasedUInt<uint32_t, 1> { typedef uint32_t ASMJIT_MAY_ALIAS ASMJIT_ALIGN_TYPE(T, 1); };
+ template<> struct AliasedUInt<uint32_t, 2> { typedef uint32_t ASMJIT_MAY_ALIAS ASMJIT_ALIGN_TYPE(T, 2); };
+ template<> struct AliasedUInt<uint64_t, 1> { typedef uint64_t ASMJIT_MAY_ALIAS ASMJIT_ALIGN_TYPE(T, 1); };
+ template<> struct AliasedUInt<uint64_t, 2> { typedef uint64_t ASMJIT_MAY_ALIAS ASMJIT_ALIGN_TYPE(T, 2); };
+ template<> struct AliasedUInt<uint64_t, 4> { typedef uint64_t ASMJIT_MAY_ALIAS ASMJIT_ALIGN_TYPE(T, 4); };
// StdInt - Make an int-type by size (signed or unsigned) that is the
// same as types defined by <stdint.h>.
@@ -90,60 +67,60 @@ namespace Internal {
}
//! \endcond
-// ============================================================================
-// [asmjit::Support - Basic Traits]
-// ============================================================================
-
template<typename T>
-static constexpr bool isUnsigned() noexcept { return std::is_unsigned<T>::value; }
-
-// ============================================================================
-// [asmjit::Support - FastUInt8]
-// ============================================================================
-
-#if ASMJIT_ARCH_X86
-typedef uint8_t FastUInt8;
-#else
-typedef unsigned int FastUInt8;
-#endif
-
-// ============================================================================
-// [asmjit::Support - asInt / asUInt / asNormalized]
-// ============================================================================
+static ASMJIT_INLINE_NODEBUG constexpr bool isUnsigned() noexcept { return std::is_unsigned<T>::value; }
//! Casts an integer `x` to either `int32_t` or `int64_t` depending on `T`.
template<typename T>
-static constexpr typename Internal::Int32Or64<T, 0>::Type asInt(const T& x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr typename Internal::Int32Or64<T, 0>::Type asInt(const T& x) noexcept {
return (typename Internal::Int32Or64<T, 0>::Type)x;
}
//! Casts an integer `x` to either `uint32_t` or `uint64_t` depending on `T`.
template<typename T>
-static constexpr typename Internal::Int32Or64<T, 1>::Type asUInt(const T& x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr typename Internal::Int32Or64<T, 1>::Type asUInt(const T& x) noexcept {
return (typename Internal::Int32Or64<T, 1>::Type)x;
}
//! Casts an integer `x` to either `int32_t`, uint32_t`, `int64_t`, or `uint64_t` depending on `T`.
template<typename T>
-static constexpr typename Internal::Int32Or64<T>::Type asNormalized(const T& x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr typename Internal::Int32Or64<T>::Type asNormalized(const T& x) noexcept {
return (typename Internal::Int32Or64<T>::Type)x;
}
//! Casts an integer `x` to the same type as defined by `<stdint.h>`.
template<typename T>
-static constexpr typename Internal::StdInt<sizeof(T), isUnsigned<T>()>::Type asStdInt(const T& x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr typename Internal::StdInt<sizeof(T), isUnsigned<T>()>::Type asStdInt(const T& x) noexcept {
return (typename Internal::StdInt<sizeof(T), isUnsigned<T>()>::Type)x;
}
-// ============================================================================
-// [asmjit::Support - BitCast]
-// ============================================================================
+//! A helper class that can be used to iterate over enum values.
+template<typename T, T from = (T)0, T to = T::kMaxValue>
+struct EnumValues {
+ typedef typename std::underlying_type<T>::type ValueType;
+
+ struct Iterator {
+ ValueType value;
+
+ ASMJIT_INLINE_NODEBUG T operator*() const { return (T)value; }
+ ASMJIT_INLINE_NODEBUG void operator++() { ++value; }
+
+ ASMJIT_INLINE_NODEBUG bool operator==(const Iterator& other) const noexcept { return value == other.value; }
+ ASMJIT_INLINE_NODEBUG bool operator!=(const Iterator& other) const noexcept { return value != other.value; }
+ };
+
+ ASMJIT_INLINE_NODEBUG Iterator begin() const noexcept { return Iterator{ValueType(from)}; }
+ ASMJIT_INLINE_NODEBUG Iterator end() const noexcept { return Iterator{ValueType(to) + 1}; }
+};
+
+// Support - BitCast
+// =================
//! \cond
namespace Internal {
template<typename DstT, typename SrcT>
union BitCastUnion {
- ASMJIT_INLINE BitCastUnion(SrcT src) noexcept : src(src) {}
+ ASMJIT_INLINE_NODEBUG BitCastUnion(SrcT src) noexcept : src(src) {}
SrcT src;
DstT dst;
};
@@ -154,184 +131,311 @@ namespace Internal {
//!
//! Useful to bit-cast between integers and floating points.
template<typename Dst, typename Src>
-static inline Dst bitCast(const Src& x) noexcept { return Internal::BitCastUnion<Dst, Src>(x).dst; }
+static ASMJIT_INLINE_NODEBUG Dst bitCast(const Src& x) noexcept { return Internal::BitCastUnion<Dst, Src>(x).dst; }
-// ============================================================================
-// [asmjit::Support - BitOps]
-// ============================================================================
+// Support - BitOps
+// ================
//! Storage used to store a pack of bits (should by compatible with a machine word).
typedef Internal::StdInt<sizeof(uintptr_t), 1>::Type BitWord;
template<typename T>
-static constexpr uint32_t bitSizeOf() noexcept { return uint32_t(sizeof(T) * 8u); }
+static ASMJIT_INLINE_NODEBUG constexpr uint32_t bitSizeOf() noexcept { return uint32_t(sizeof(T) * 8u); }
//! Number of bits stored in a single `BitWord`.
static constexpr uint32_t kBitWordSizeInBits = bitSizeOf<BitWord>();
//! Returns `0 - x` in a safe way (no undefined behavior), works for unsigned numbers as well.
template<typename T>
-static constexpr T neg(const T& x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr T neg(const T& x) noexcept {
typedef typename std::make_unsigned<T>::type U;
return T(U(0) - U(x));
}
template<typename T>
-static constexpr T allOnes() noexcept { return neg<T>(T(1)); }
+static ASMJIT_INLINE_NODEBUG constexpr T allOnes() noexcept { return neg<T>(T(1)); }
//! Returns `x << y` (shift left logical) by explicitly casting `x` to an unsigned type and back.
template<typename X, typename Y>
-static constexpr X shl(const X& x, const Y& y) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr X shl(const X& x, const Y& y) noexcept {
typedef typename std::make_unsigned<X>::type U;
return X(U(x) << y);
}
//! Returns `x >> y` (shift right logical) by explicitly casting `x` to an unsigned type and back.
template<typename X, typename Y>
-static constexpr X shr(const X& x, const Y& y) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr X shr(const X& x, const Y& y) noexcept {
typedef typename std::make_unsigned<X>::type U;
return X(U(x) >> y);
}
//! Returns `x >> y` (shift right arithmetic) by explicitly casting `x` to a signed type and back.
template<typename X, typename Y>
-static constexpr X sar(const X& x, const Y& y) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr X sar(const X& x, const Y& y) noexcept {
typedef typename std::make_signed<X>::type S;
return X(S(x) >> y);
}
+template<typename X, typename Y>
+static ASMJIT_INLINE_NODEBUG constexpr X ror(const X& x, const Y& y) noexcept {
+ typedef typename std::make_unsigned<X>::type U;
+ return X((U(x) >> y) | (U(x) << (bitSizeOf<U>() - U(y))));
+}
+
//! Returns `x | (x >> y)` - helper used by some bit manipulation helpers.
template<typename X, typename Y>
-static constexpr X or_shr(const X& x, const Y& y) noexcept { return X(x | shr(x, y)); }
+static ASMJIT_INLINE_NODEBUG constexpr X or_shr(const X& x, const Y& y) noexcept { return X(x | shr(x, y)); }
//! Returns `x & -x` - extracts lowest set isolated bit (like BLSI instruction).
template<typename T>
-static constexpr T blsi(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr T blsi(T x) noexcept {
typedef typename std::make_unsigned<T>::type U;
return T(U(x) & neg(U(x)));
}
-//! Generate a trailing bit-mask that has `n` least significant (trailing) bits set.
+//! Tests whether the given value `x` has `n`th bit set.
+template<typename T, typename IndexT>
+static ASMJIT_INLINE_NODEBUG constexpr bool bitTest(T x, IndexT n) noexcept {
+ typedef typename std::make_unsigned<T>::type U;
+ return (U(x) & (U(1) << asStdInt(n))) != 0;
+}
+
+// Tests whether the given `value` is a consecutive mask of bits that starts at
+// the least significant bit.
+template<typename T>
+static ASMJIT_INLINE_NODEBUG constexpr bool isLsbMask(const T& value) {
+ typedef typename std::make_unsigned<T>::type U;
+ return value && ((U(value) + 1u) & U(value)) == 0;
+}
+
+// Tests whether the given value contains at least one bit or whether it's a
+// bit-mask of consecutive bits.
+//
+// This function is similar to \ref isLsbMask(), but the mask doesn't have to
+// start at a least significant bit.
+template<typename T>
+static ASMJIT_INLINE_NODEBUG constexpr bool isConsecutiveMask(const T& value) {
+ typedef typename std::make_unsigned<T>::type U;
+ return value && isLsbMask((U(value) - 1u) | U(value));
+}
+
+//! Generates a trailing bit-mask that has `n` least significant (trailing) bits set.
template<typename T, typename CountT>
-static constexpr T lsbMask(const CountT& n) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr T lsbMask(const CountT& n) noexcept {
typedef typename std::make_unsigned<T>::type U;
return (sizeof(U) < sizeof(uintptr_t))
// Prevent undefined behavior by using a larger type than T.
? T(U((uintptr_t(1) << n) - uintptr_t(1)))
- // Prevent undefined behavior by performing `n & (nBits - 1)` so it's always within the range.
- : shr(sar(neg(T(n)), bitSizeOf<T>() - 1u),
- neg(T(n)) & CountT(bitSizeOf<T>() - 1u));
+ // Prevent undefined behavior by checking `n` before shift.
+ : n ? T(shr(allOnes<T>(), bitSizeOf<T>() - size_t(n))) : T(0);
}
-//! Tests whether the given value `x` has `n`th bit set.
-template<typename T, typename IndexT>
-static constexpr bool bitTest(T x, IndexT n) noexcept {
+//! Generates a leading bit-mask that has `n` most significant (leading) bits set.
+template<typename T, typename CountT>
+static ASMJIT_INLINE_NODEBUG constexpr T msbMask(const CountT& n) noexcept {
typedef typename std::make_unsigned<T>::type U;
- return (U(x) & (U(1) << n)) != 0;
+ return (sizeof(U) < sizeof(uintptr_t))
+ // Prevent undefined behavior by using a larger type than T.
+ ? T(allOnes<uintptr_t>() >> (bitSizeOf<uintptr_t>() - n))
+ // Prevent undefined behavior by performing `n & (nBits - 1)` so it's always within the range.
+ : T(sar(U(n != 0) << (bitSizeOf<U>() - 1), n ? uint32_t(n - 1) : uint32_t(0)));
}
//! Returns a bit-mask that has `x` bit set.
-template<typename T>
-static constexpr uint32_t bitMask(T x) noexcept { return (1u << x); }
+template<typename Index>
+static ASMJIT_INLINE_NODEBUG constexpr uint32_t bitMask(const Index& x) noexcept { return (1u << asUInt(x)); }
//! Returns a bit-mask that has `x` bit set (multiple arguments).
-template<typename T, typename... Args>
-static constexpr uint32_t bitMask(T x, Args... args) noexcept { return bitMask(x) | bitMask(args...); }
+template<typename Index, typename... Args>
+static ASMJIT_INLINE_NODEBUG constexpr uint32_t bitMask(const Index& x, Args... args) noexcept { return bitMask(x) | bitMask(args...); }
//! Converts a boolean value `b` to zero or full mask (all bits set).
template<typename DstT, typename SrcT>
-static constexpr DstT bitMaskFromBool(SrcT b) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr DstT bitMaskFromBool(SrcT b) noexcept {
typedef typename std::make_unsigned<DstT>::type U;
return DstT(U(0) - U(b));
}
+//! Tests whether `a & b` is non-zero.
+template<typename A, typename B>
+static inline constexpr bool test(A a, B b) noexcept { return (asUInt(a) & asUInt(b)) != 0; }
+
//! \cond
namespace Internal {
// Fills all trailing bits right from the first most significant bit set.
- static constexpr uint8_t fillTrailingBitsImpl(uint8_t x) noexcept { return or_shr(or_shr(or_shr(x, 1), 2), 4); }
+ static ASMJIT_INLINE_NODEBUG constexpr uint8_t fillTrailingBitsImpl(uint8_t x) noexcept { return or_shr(or_shr(or_shr(x, 1), 2), 4); }
// Fills all trailing bits right from the first most significant bit set.
- static constexpr uint16_t fillTrailingBitsImpl(uint16_t x) noexcept { return or_shr(or_shr(or_shr(or_shr(x, 1), 2), 4), 8); }
+ static ASMJIT_INLINE_NODEBUG constexpr uint16_t fillTrailingBitsImpl(uint16_t x) noexcept { return or_shr(or_shr(or_shr(or_shr(x, 1), 2), 4), 8); }
// Fills all trailing bits right from the first most significant bit set.
- static constexpr uint32_t fillTrailingBitsImpl(uint32_t x) noexcept { return or_shr(or_shr(or_shr(or_shr(or_shr(x, 1), 2), 4), 8), 16); }
+ static ASMJIT_INLINE_NODEBUG constexpr uint32_t fillTrailingBitsImpl(uint32_t x) noexcept { return or_shr(or_shr(or_shr(or_shr(or_shr(x, 1), 2), 4), 8), 16); }
// Fills all trailing bits right from the first most significant bit set.
- static constexpr uint64_t fillTrailingBitsImpl(uint64_t x) noexcept { return or_shr(or_shr(or_shr(or_shr(or_shr(or_shr(x, 1), 2), 4), 8), 16), 32); }
+ static ASMJIT_INLINE_NODEBUG constexpr uint64_t fillTrailingBitsImpl(uint64_t x) noexcept { return or_shr(or_shr(or_shr(or_shr(or_shr(or_shr(x, 1), 2), 4), 8), 16), 32); }
}
//! \endcond
// Fills all trailing bits right from the first most significant bit set.
template<typename T>
-static constexpr T fillTrailingBits(const T& x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr T fillTrailingBits(const T& x) noexcept {
typedef typename std::make_unsigned<T>::type U;
return T(Internal::fillTrailingBitsImpl(U(x)));
}
-// ============================================================================
-// [asmjit::Support - CTZ]
-// ============================================================================
+// Support - Count Leading/Trailing Zeros
+// ======================================
//! \cond
namespace Internal {
- static constexpr uint32_t constCtzImpl(uint32_t xAndNegX) noexcept {
- return 31 - ((xAndNegX & 0x0000FFFFu) ? 16 : 0)
- - ((xAndNegX & 0x00FF00FFu) ? 8 : 0)
- - ((xAndNegX & 0x0F0F0F0Fu) ? 4 : 0)
- - ((xAndNegX & 0x33333333u) ? 2 : 0)
- - ((xAndNegX & 0x55555555u) ? 1 : 0);
+namespace {
+
+template<typename T>
+struct BitScanData { T x; uint32_t n; };
+
+template<typename T, uint32_t N>
+struct BitScanCalc {
+ static ASMJIT_INLINE_NODEBUG constexpr BitScanData<T> advanceLeft(const BitScanData<T>& data, uint32_t n) noexcept {
+ return BitScanData<T> { data.x << n, data.n + n };
}
- static constexpr uint32_t constCtzImpl(uint64_t xAndNegX) noexcept {
- return 63 - ((xAndNegX & 0x00000000FFFFFFFFu) ? 32 : 0)
- - ((xAndNegX & 0x0000FFFF0000FFFFu) ? 16 : 0)
- - ((xAndNegX & 0x00FF00FF00FF00FFu) ? 8 : 0)
- - ((xAndNegX & 0x0F0F0F0F0F0F0F0Fu) ? 4 : 0)
- - ((xAndNegX & 0x3333333333333333u) ? 2 : 0)
- - ((xAndNegX & 0x5555555555555555u) ? 1 : 0);
+ static ASMJIT_INLINE_NODEBUG constexpr BitScanData<T> advanceRight(const BitScanData<T>& data, uint32_t n) noexcept {
+ return BitScanData<T> { data.x >> n, data.n + n };
}
- template<typename T>
- static constexpr uint32_t constCtz(T x) noexcept {
- return constCtzImpl(x & neg(x));
+ static ASMJIT_INLINE_NODEBUG constexpr BitScanData<T> clz(const BitScanData<T>& data) noexcept {
+ return BitScanCalc<T, N / 2>::clz(advanceLeft(data, data.x & (allOnes<T>() << (bitSizeOf<T>() - N)) ? uint32_t(0) : N));
}
- static ASMJIT_INLINE uint32_t ctz(uint32_t x) noexcept {
- #if defined(__GNUC__)
- return uint32_t(__builtin_ctz(x));
- #elif defined(_MSC_VER) && (ASMJIT_ARCH_X86 || ASMJIT_ARCH_ARM)
- unsigned long i;
- _BitScanForward(&i, x);
- return uint32_t(i);
- #else
- return constCtz(x);
- #endif
+ static ASMJIT_INLINE_NODEBUG constexpr BitScanData<T> ctz(const BitScanData<T>& data) noexcept {
+ return BitScanCalc<T, N / 2>::ctz(advanceRight(data, data.x & (allOnes<T>() >> (bitSizeOf<T>() - N)) ? uint32_t(0) : N));
}
+};
- static ASMJIT_INLINE uint32_t ctz(uint64_t x) noexcept {
- #if defined(__GNUC__)
- return uint32_t(__builtin_ctzll(x));
- #elif defined(_MSC_VER) && (ASMJIT_ARCH_X86 == 64 || ASMJIT_ARCH_ARM == 64)
- unsigned long i;
- _BitScanForward64(&i, x);
- return uint32_t(i);
- #else
- return constCtz(x);
- #endif
+template<typename T>
+struct BitScanCalc<T, 0> {
+ static ASMJIT_INLINE_NODEBUG constexpr BitScanData<T> clz(const BitScanData<T>& ctx) noexcept {
+ return BitScanData<T> { 0, ctx.n - uint32_t(ctx.x >> (bitSizeOf<T>() - 1)) };
}
+
+ static ASMJIT_INLINE_NODEBUG constexpr BitScanData<T> ctz(const BitScanData<T>& ctx) noexcept {
+ return BitScanData<T> { 0, ctx.n - uint32_t(ctx.x & 0x1) };
+ }
+};
+
+template<typename T>
+ASMJIT_INLINE_NODEBUG constexpr uint32_t clzFallback(const T& x) noexcept {
+ return BitScanCalc<T, bitSizeOf<T>() / 2u>::clz(BitScanData<T>{x, 1}).n;
}
+
+template<typename T>
+ASMJIT_INLINE_NODEBUG constexpr uint32_t ctzFallback(const T& x) noexcept {
+ return BitScanCalc<T, bitSizeOf<T>() / 2u>::ctz(BitScanData<T>{x, 1}).n;
+}
+
+template<typename T> ASMJIT_INLINE_NODEBUG uint32_t clzImpl(const T& x) noexcept { return clzFallback(asUInt(x)); }
+template<typename T> ASMJIT_INLINE_NODEBUG uint32_t ctzImpl(const T& x) noexcept { return ctzFallback(asUInt(x)); }
+
+#if !defined(ASMJIT_NO_INTRINSICS)
+# if defined(__GNUC__)
+template<> ASMJIT_INLINE_NODEBUG uint32_t clzImpl(const uint32_t& x) noexcept { return uint32_t(__builtin_clz(x)); }
+template<> ASMJIT_INLINE_NODEBUG uint32_t clzImpl(const uint64_t& x) noexcept { return uint32_t(__builtin_clzll(x)); }
+template<> ASMJIT_INLINE_NODEBUG uint32_t ctzImpl(const uint32_t& x) noexcept { return uint32_t(__builtin_ctz(x)); }
+template<> ASMJIT_INLINE_NODEBUG uint32_t ctzImpl(const uint64_t& x) noexcept { return uint32_t(__builtin_ctzll(x)); }
+# elif defined(_MSC_VER)
+template<> ASMJIT_INLINE_NODEBUG uint32_t clzImpl(const uint32_t& x) noexcept { unsigned long i; _BitScanReverse(&i, x); return uint32_t(i ^ 31); }
+template<> ASMJIT_INLINE_NODEBUG uint32_t ctzImpl(const uint32_t& x) noexcept { unsigned long i; _BitScanForward(&i, x); return uint32_t(i); }
+# if ASMJIT_ARCH_X86 == 64 || ASMJIT_ARCH_ARM == 64
+template<> ASMJIT_INLINE_NODEBUG uint32_t clzImpl(const uint64_t& x) noexcept { unsigned long i; _BitScanReverse64(&i, x); return uint32_t(i ^ 63); }
+template<> ASMJIT_INLINE_NODEBUG uint32_t ctzImpl(const uint64_t& x) noexcept { unsigned long i; _BitScanForward64(&i, x); return uint32_t(i); }
+# endif
+# endif
+#endif
+
+} // {anonymous}
+} // {Internal}
//! \endcond
-//! Count trailing zeros in `x` (returns a position of a first bit set in `x`).
+//! Count leading zeros in `x` (returns a position of a first bit set in `x`).
//!
//! \note The input MUST NOT be zero, otherwise the result is undefined.
template<typename T>
-static inline uint32_t ctz(T x) noexcept { return Internal::ctz(asUInt(x)); }
+static ASMJIT_INLINE_NODEBUG uint32_t clz(T x) noexcept { return Internal::clzImpl(asUInt(x)); }
-//! Count trailing zeros in `x` (constant expression).
+//! Count trailing zeros in `x` (returns a position of a first bit set in `x`).
+//!
+//! \note The input MUST NOT be zero, otherwise the result is undefined.
template<typename T>
-static constexpr uint32_t constCtz(T x) noexcept { return Internal::constCtz(asUInt(x)); }
+static ASMJIT_INLINE_NODEBUG uint32_t ctz(T x) noexcept { return Internal::ctzImpl(asUInt(x)); }
+
+template<uint64_t kInput>
+struct ConstCTZ {
+ static constexpr uint32_t value =
+ (kInput & (uint64_t(1) << 0)) ? 0 :
+ (kInput & (uint64_t(1) << 1)) ? 1 :
+ (kInput & (uint64_t(1) << 2)) ? 2 :
+ (kInput & (uint64_t(1) << 3)) ? 3 :
+ (kInput & (uint64_t(1) << 4)) ? 4 :
+ (kInput & (uint64_t(1) << 5)) ? 5 :
+ (kInput & (uint64_t(1) << 6)) ? 6 :
+ (kInput & (uint64_t(1) << 7)) ? 7 :
+ (kInput & (uint64_t(1) << 8)) ? 8 :
+ (kInput & (uint64_t(1) << 9)) ? 9 :
+ (kInput & (uint64_t(1) << 10)) ? 10 :
+ (kInput & (uint64_t(1) << 11)) ? 11 :
+ (kInput & (uint64_t(1) << 12)) ? 12 :
+ (kInput & (uint64_t(1) << 13)) ? 13 :
+ (kInput & (uint64_t(1) << 14)) ? 14 :
+ (kInput & (uint64_t(1) << 15)) ? 15 :
+ (kInput & (uint64_t(1) << 16)) ? 16 :
+ (kInput & (uint64_t(1) << 17)) ? 17 :
+ (kInput & (uint64_t(1) << 18)) ? 18 :
+ (kInput & (uint64_t(1) << 19)) ? 19 :
+ (kInput & (uint64_t(1) << 20)) ? 20 :
+ (kInput & (uint64_t(1) << 21)) ? 21 :
+ (kInput & (uint64_t(1) << 22)) ? 22 :
+ (kInput & (uint64_t(1) << 23)) ? 23 :
+ (kInput & (uint64_t(1) << 24)) ? 24 :
+ (kInput & (uint64_t(1) << 25)) ? 25 :
+ (kInput & (uint64_t(1) << 26)) ? 26 :
+ (kInput & (uint64_t(1) << 27)) ? 27 :
+ (kInput & (uint64_t(1) << 28)) ? 28 :
+ (kInput & (uint64_t(1) << 29)) ? 29 :
+ (kInput & (uint64_t(1) << 30)) ? 30 :
+ (kInput & (uint64_t(1) << 31)) ? 31 :
+ (kInput & (uint64_t(1) << 32)) ? 32 :
+ (kInput & (uint64_t(1) << 33)) ? 33 :
+ (kInput & (uint64_t(1) << 34)) ? 34 :
+ (kInput & (uint64_t(1) << 35)) ? 35 :
+ (kInput & (uint64_t(1) << 36)) ? 36 :
+ (kInput & (uint64_t(1) << 37)) ? 37 :
+ (kInput & (uint64_t(1) << 38)) ? 38 :
+ (kInput & (uint64_t(1) << 39)) ? 39 :
+ (kInput & (uint64_t(1) << 40)) ? 40 :
+ (kInput & (uint64_t(1) << 41)) ? 41 :
+ (kInput & (uint64_t(1) << 42)) ? 42 :
+ (kInput & (uint64_t(1) << 43)) ? 43 :
+ (kInput & (uint64_t(1) << 44)) ? 44 :
+ (kInput & (uint64_t(1) << 45)) ? 45 :
+ (kInput & (uint64_t(1) << 46)) ? 46 :
+ (kInput & (uint64_t(1) << 47)) ? 47 :
+ (kInput & (uint64_t(1) << 48)) ? 48 :
+ (kInput & (uint64_t(1) << 49)) ? 49 :
+ (kInput & (uint64_t(1) << 50)) ? 50 :
+ (kInput & (uint64_t(1) << 51)) ? 51 :
+ (kInput & (uint64_t(1) << 52)) ? 52 :
+ (kInput & (uint64_t(1) << 53)) ? 53 :
+ (kInput & (uint64_t(1) << 54)) ? 54 :
+ (kInput & (uint64_t(1) << 55)) ? 55 :
+ (kInput & (uint64_t(1) << 56)) ? 56 :
+ (kInput & (uint64_t(1) << 57)) ? 57 :
+ (kInput & (uint64_t(1) << 58)) ? 58 :
+ (kInput & (uint64_t(1) << 59)) ? 59 :
+ (kInput & (uint64_t(1) << 60)) ? 60 :
+ (kInput & (uint64_t(1) << 61)) ? 61 :
+ (kInput & (uint64_t(1) << 62)) ? 62 :
+ (kInput & (uint64_t(1) << 63)) ? 63 : 64;
+};
-// ============================================================================
-// [asmjit::Support - PopCnt]
-// ============================================================================
+// Support - PopCnt
+// ================
// Based on the following resource:
// http://graphics.stanford.edu/~seander/bithacks.html
@@ -346,78 +450,98 @@ static constexpr uint32_t constCtz(T x) noexcept { return Internal::constCtz(asU
//! \cond
namespace Internal {
- static inline uint32_t constPopcntImpl(uint32_t x) noexcept {
+ static ASMJIT_INLINE_NODEBUG uint32_t constPopcntImpl(uint32_t x) noexcept {
x = x - ((x >> 1) & 0x55555555u);
x = (x & 0x33333333u) + ((x >> 2) & 0x33333333u);
return (((x + (x >> 4)) & 0x0F0F0F0Fu) * 0x01010101u) >> 24;
}
- static inline uint32_t constPopcntImpl(uint64_t x) noexcept {
- if (ASMJIT_ARCH_BITS >= 64) {
- x = x - ((x >> 1) & 0x5555555555555555u);
- x = (x & 0x3333333333333333u) + ((x >> 2) & 0x3333333333333333u);
- return uint32_t((((x + (x >> 4)) & 0x0F0F0F0F0F0F0F0Fu) * 0x0101010101010101u) >> 56);
- }
- else {
- return constPopcntImpl(uint32_t(x >> 32)) +
- constPopcntImpl(uint32_t(x & 0xFFFFFFFFu));
- }
+ static ASMJIT_INLINE_NODEBUG uint32_t constPopcntImpl(uint64_t x) noexcept {
+#if ASMJIT_ARCH_BITS >= 64
+ x = x - ((x >> 1) & 0x5555555555555555u);
+ x = (x & 0x3333333333333333u) + ((x >> 2) & 0x3333333333333333u);
+ return uint32_t((((x + (x >> 4)) & 0x0F0F0F0F0F0F0F0Fu) * 0x0101010101010101u) >> 56);
+#else
+ return constPopcntImpl(uint32_t(x >> 32)) +
+ constPopcntImpl(uint32_t(x & 0xFFFFFFFFu));
+#endif
}
- static inline uint32_t popcntImpl(uint32_t x) noexcept {
- #if defined(__GNUC__)
+ static ASMJIT_INLINE_NODEBUG uint32_t popcntImpl(uint32_t x) noexcept {
+#if defined(__GNUC__)
return uint32_t(__builtin_popcount(x));
- #else
+#else
return constPopcntImpl(asUInt(x));
- #endif
+#endif
}
- static inline uint32_t popcntImpl(uint64_t x) noexcept {
- #if defined(__GNUC__)
+ static ASMJIT_INLINE_NODEBUG uint32_t popcntImpl(uint64_t x) noexcept {
+#if defined(__GNUC__)
return uint32_t(__builtin_popcountll(x));
- #else
+#else
return constPopcntImpl(asUInt(x));
- #endif
+#endif
}
}
//! \endcond
//! Calculates count of bits in `x`.
template<typename T>
-static inline uint32_t popcnt(T x) noexcept { return Internal::popcntImpl(asUInt(x)); }
+static ASMJIT_INLINE_NODEBUG uint32_t popcnt(T x) noexcept { return Internal::popcntImpl(asUInt(x)); }
//! Calculates count of bits in `x` (useful in constant expressions).
template<typename T>
-static inline uint32_t constPopcnt(T x) noexcept { return Internal::constPopcntImpl(asUInt(x)); }
+static ASMJIT_INLINE_NODEBUG uint32_t constPopcnt(T x) noexcept { return Internal::constPopcntImpl(asUInt(x)); }
-// ============================================================================
-// [asmjit::Support - Min/Max]
-// ============================================================================
+// Support - Min/Max
+// =================
// NOTE: These are constexpr `min()` and `max()` implementations that are not
// exactly the same as `std::min()` and `std::max()`. The return value is not
// a reference to `a` or `b` but it's a new value instead.
template<typename T>
-static constexpr T min(const T& a, const T& b) noexcept { return b < a ? b : a; }
+static ASMJIT_INLINE_NODEBUG constexpr T min(const T& a, const T& b) noexcept { return b < a ? b : a; }
template<typename T, typename... Args>
-static constexpr T min(const T& a, const T& b, Args&&... args) noexcept { return min(min(a, b), std::forward<Args>(args)...); }
+static ASMJIT_INLINE_NODEBUG constexpr T min(const T& a, const T& b, Args&&... args) noexcept { return min(min(a, b), std::forward<Args>(args)...); }
template<typename T>
-static constexpr T max(const T& a, const T& b) noexcept { return a < b ? b : a; }
+static ASMJIT_INLINE_NODEBUG constexpr T max(const T& a, const T& b) noexcept { return a < b ? b : a; }
template<typename T, typename... Args>
-static constexpr T max(const T& a, const T& b, Args&&... args) noexcept { return max(max(a, b), std::forward<Args>(args)...); }
+static ASMJIT_INLINE_NODEBUG constexpr T max(const T& a, const T& b, Args&&... args) noexcept { return max(max(a, b), std::forward<Args>(args)...); }
+
+// Support - Immediate Helpers
+// ===========================
+
+namespace Internal {
+ template<typename T, bool IsFloat>
+ struct ImmConv {
+ static ASMJIT_INLINE_NODEBUG int64_t fromT(const T& x) noexcept { return int64_t(x); }
+ static ASMJIT_INLINE_NODEBUG T toT(int64_t x) noexcept { return T(uint64_t(x) & Support::allOnes<typename std::make_unsigned<T>::type>()); }
+ };
+
+ template<typename T>
+ struct ImmConv<T, true> {
+ static ASMJIT_INLINE_NODEBUG int64_t fromT(const T& x) noexcept { return int64_t(bitCast<int64_t>(double(x))); }
+ static ASMJIT_INLINE_NODEBUG T toT(int64_t x) noexcept { return T(bitCast<double>(x)); }
+ };
+}
+
+template<typename T>
+static ASMJIT_INLINE_NODEBUG int64_t immediateFromT(const T& x) noexcept { return Internal::ImmConv<T, std::is_floating_point<T>::value>::fromT(x); }
-// ============================================================================
-// [asmjit::Support - Overflow Arithmetic]
-// ============================================================================
+template<typename T>
+static ASMJIT_INLINE_NODEBUG T immediateToT(int64_t x) noexcept { return Internal::ImmConv<T, std::is_floating_point<T>::value>::toT(x); }
+
+// Support - Overflow Arithmetic
+// =============================
//! \cond
namespace Internal {
template<typename T>
- ASMJIT_INLINE T addOverflowFallback(T x, T y, FastUInt8* of) noexcept {
+ inline T addOverflowFallback(T x, T y, FastUInt8* of) noexcept {
typedef typename std::make_unsigned<T>::type U;
U result = U(x) + U(y);
@@ -426,7 +550,7 @@ namespace Internal {
}
template<typename T>
- ASMJIT_INLINE T subOverflowFallback(T x, T y, FastUInt8* of) noexcept {
+ inline T subOverflowFallback(T x, T y, FastUInt8* of) noexcept {
typedef typename std::make_unsigned<T>::type U;
U result = U(x) - U(y);
@@ -435,7 +559,7 @@ namespace Internal {
}
template<typename T>
- ASMJIT_INLINE T mulOverflowFallback(T x, T y, FastUInt8* of) noexcept {
+ inline T mulOverflowFallback(T x, T y, FastUInt8* of) noexcept {
typedef typename Internal::StdInt<sizeof(T) * 2, isUnsigned<T>()>::Type I;
typedef typename std::make_unsigned<I>::type U;
@@ -453,32 +577,32 @@ namespace Internal {
}
template<>
- ASMJIT_INLINE int64_t mulOverflowFallback(int64_t x, int64_t y, FastUInt8* of) noexcept {
+ inline int64_t mulOverflowFallback(int64_t x, int64_t y, FastUInt8* of) noexcept {
int64_t result = int64_t(uint64_t(x) * uint64_t(y));
*of = FastUInt8(*of | FastUInt8(x && (result / x != y)));
return result;
}
template<>
- ASMJIT_INLINE uint64_t mulOverflowFallback(uint64_t x, uint64_t y, FastUInt8* of) noexcept {
+ inline uint64_t mulOverflowFallback(uint64_t x, uint64_t y, FastUInt8* of) noexcept {
uint64_t result = x * y;
*of = FastUInt8(*of | FastUInt8(y != 0 && allOnes<uint64_t>() / y < x));
return result;
}
// These can be specialized.
- template<typename T> ASMJIT_INLINE T addOverflowImpl(const T& x, const T& y, FastUInt8* of) noexcept { return addOverflowFallback(x, y, of); }
- template<typename T> ASMJIT_INLINE T subOverflowImpl(const T& x, const T& y, FastUInt8* of) noexcept { return subOverflowFallback(x, y, of); }
- template<typename T> ASMJIT_INLINE T mulOverflowImpl(const T& x, const T& y, FastUInt8* of) noexcept { return mulOverflowFallback(x, y, of); }
-
- #if defined(__GNUC__) && !defined(ASMJIT_NO_INTRINSICS)
- #if defined(__clang__) || __GNUC__ >= 5
- #define ASMJIT_ARITH_OVERFLOW_SPECIALIZE(FUNC, T, RESULT_T, BUILTIN) \
- template<> \
- ASMJIT_INLINE T FUNC(const T& x, const T& y, FastUInt8* of) noexcept { \
- RESULT_T result; \
- *of = FastUInt8(*of | (BUILTIN((RESULT_T)x, (RESULT_T)y, &result))); \
- return T(result); \
+ template<typename T> inline T addOverflowImpl(const T& x, const T& y, FastUInt8* of) noexcept { return addOverflowFallback(x, y, of); }
+ template<typename T> inline T subOverflowImpl(const T& x, const T& y, FastUInt8* of) noexcept { return subOverflowFallback(x, y, of); }
+ template<typename T> inline T mulOverflowImpl(const T& x, const T& y, FastUInt8* of) noexcept { return mulOverflowFallback(x, y, of); }
+
+#if defined(__GNUC__) && !defined(ASMJIT_NO_INTRINSICS)
+#if defined(__clang__) || __GNUC__ >= 5
+#define ASMJIT_ARITH_OVERFLOW_SPECIALIZE(FUNC, T, RESULT_T, BUILTIN) \
+ template<> \
+ inline T FUNC(const T& x, const T& y, FastUInt8* of) noexcept { \
+ RESULT_T result; \
+ *of = FastUInt8(*of | (BUILTIN((RESULT_T)x, (RESULT_T)y, &result))); \
+ return T(result); \
}
ASMJIT_ARITH_OVERFLOW_SPECIALIZE(addOverflowImpl, int32_t , int , __builtin_sadd_overflow )
ASMJIT_ARITH_OVERFLOW_SPECIALIZE(addOverflowImpl, uint32_t, unsigned int , __builtin_uadd_overflow )
@@ -492,64 +616,63 @@ namespace Internal {
ASMJIT_ARITH_OVERFLOW_SPECIALIZE(mulOverflowImpl, uint32_t, unsigned int , __builtin_umul_overflow )
ASMJIT_ARITH_OVERFLOW_SPECIALIZE(mulOverflowImpl, int64_t , long long , __builtin_smulll_overflow)
ASMJIT_ARITH_OVERFLOW_SPECIALIZE(mulOverflowImpl, uint64_t, unsigned long long, __builtin_umulll_overflow)
- #undef ASMJIT_ARITH_OVERFLOW_SPECIALIZE
- #endif
- #endif
+#undef ASMJIT_ARITH_OVERFLOW_SPECIALIZE
+#endif
+#endif
// There is a bug in MSVC that makes these specializations unusable, maybe in the future...
- #if defined(_MSC_VER) && 0
- #define ASMJIT_ARITH_OVERFLOW_SPECIALIZE(FUNC, T, ALT_T, BUILTIN) \
- template<> \
- ASMJIT_INLINE T FUNC(T x, T y, FastUInt8* of) noexcept { \
- ALT_T result; \
- *of = FastUInt8(*of | BUILTIN(0, (ALT_T)x, (ALT_T)y, &result)); \
- return T(result); \
+#if defined(_MSC_VER) && 0
+#define ASMJIT_ARITH_OVERFLOW_SPECIALIZE(FUNC, T, ALT_T, BUILTIN) \
+ template<> \
+ inline T FUNC(T x, T y, FastUInt8* of) noexcept { \
+ ALT_T result; \
+ *of = FastUInt8(*of | BUILTIN(0, (ALT_T)x, (ALT_T)y, &result)); \
+ return T(result); \
}
ASMJIT_ARITH_OVERFLOW_SPECIALIZE(addOverflowImpl, uint32_t, unsigned int , _addcarry_u32 )
ASMJIT_ARITH_OVERFLOW_SPECIALIZE(subOverflowImpl, uint32_t, unsigned int , _subborrow_u32)
- #if ARCH_BITS >= 64
+#if ARCH_BITS >= 64
ASMJIT_ARITH_OVERFLOW_SPECIALIZE(addOverflowImpl, uint64_t, unsigned __int64 , _addcarry_u64 )
ASMJIT_ARITH_OVERFLOW_SPECIALIZE(subOverflowImpl, uint64_t, unsigned __int64 , _subborrow_u64)
- #endif
- #undef ASMJIT_ARITH_OVERFLOW_SPECIALIZE
- #endif
+#endif
+#undef ASMJIT_ARITH_OVERFLOW_SPECIALIZE
+#endif
} // {Internal}
//! \endcond
template<typename T>
-static ASMJIT_INLINE T addOverflow(const T& x, const T& y, FastUInt8* of) noexcept { return T(Internal::addOverflowImpl(asStdInt(x), asStdInt(y), of)); }
+static inline T addOverflow(const T& x, const T& y, FastUInt8* of) noexcept { return T(Internal::addOverflowImpl(asStdInt(x), asStdInt(y), of)); }
template<typename T>
-static ASMJIT_INLINE T subOverflow(const T& x, const T& y, FastUInt8* of) noexcept { return T(Internal::subOverflowImpl(asStdInt(x), asStdInt(y), of)); }
+static inline T subOverflow(const T& x, const T& y, FastUInt8* of) noexcept { return T(Internal::subOverflowImpl(asStdInt(x), asStdInt(y), of)); }
template<typename T>
-static ASMJIT_INLINE T mulOverflow(const T& x, const T& y, FastUInt8* of) noexcept { return T(Internal::mulOverflowImpl(asStdInt(x), asStdInt(y), of)); }
+static inline T mulOverflow(const T& x, const T& y, FastUInt8* of) noexcept { return T(Internal::mulOverflowImpl(asStdInt(x), asStdInt(y), of)); }
-// ============================================================================
-// [asmjit::Support - Alignment]
-// ============================================================================
+// Support - Alignment
+// ===================
template<typename X, typename Y>
-static constexpr bool isAligned(X base, Y alignment) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isAligned(X base, Y alignment) noexcept {
typedef typename Internal::StdInt<sizeof(X), 1>::Type U;
return ((U)base % (U)alignment) == 0;
}
//! Tests whether the `x` is a power of two (only one bit is set).
template<typename T>
-static constexpr bool isPowerOf2(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isPowerOf2(T x) noexcept {
typedef typename std::make_unsigned<T>::type U;
return x && !(U(x) & (U(x) - U(1)));
}
template<typename X, typename Y>
-static constexpr X alignUp(X x, Y alignment) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr X alignUp(X x, Y alignment) noexcept {
typedef typename Internal::StdInt<sizeof(X), 1>::Type U;
return (X)( ((U)x + ((U)(alignment) - 1u)) & ~((U)(alignment) - 1u) );
}
template<typename T>
-static constexpr T alignUpPowerOf2(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr T alignUpPowerOf2(T x) noexcept {
typedef typename Internal::StdInt<sizeof(T), 1>::Type U;
return (T)(fillTrailingBits(U(x) - 1u) + 1u);
}
@@ -557,67 +680,91 @@ static constexpr T alignUpPowerOf2(T x) noexcept {
//! Returns either zero or a positive difference between `base` and `base` when
//! aligned to `alignment`.
template<typename X, typename Y>
-static constexpr typename Internal::StdInt<sizeof(X), 1>::Type alignUpDiff(X base, Y alignment) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr typename Internal::StdInt<sizeof(X), 1>::Type alignUpDiff(X base, Y alignment) noexcept {
typedef typename Internal::StdInt<sizeof(X), 1>::Type U;
return alignUp(U(base), alignment) - U(base);
}
template<typename X, typename Y>
-static constexpr X alignDown(X x, Y alignment) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr X alignDown(X x, Y alignment) noexcept {
typedef typename Internal::StdInt<sizeof(X), 1>::Type U;
return (X)( (U)x & ~((U)(alignment) - 1u) );
}
-// ============================================================================
-// [asmjit::Support - NumGranularized]
-// ============================================================================
+// Support - NumGranularized
+// =========================
//! Calculates the number of elements that would be required if `base` is
//! granularized by `granularity`. This function can be used to calculate
//! the number of BitWords to represent N bits, for example.
template<typename X, typename Y>
-static constexpr X numGranularized(X base, Y granularity) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr X numGranularized(X base, Y granularity) noexcept {
typedef typename Internal::StdInt<sizeof(X), 1>::Type U;
return X((U(base) + U(granularity) - 1) / U(granularity));
}
-// ============================================================================
-// [asmjit::Support - IsBetween]
-// ============================================================================
+// Support - IsBetween
+// ===================
//! Checks whether `x` is greater than or equal to `a` and lesser than or equal to `b`.
template<typename T>
-static constexpr bool isBetween(const T& x, const T& a, const T& b) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isBetween(const T& x, const T& a, const T& b) noexcept {
return x >= a && x <= b;
}
-// ============================================================================
-// [asmjit::Support - IsInt / IsUInt]
-// ============================================================================
+// Support - IsInt & IsUInt
+// ========================
//! Checks whether the given integer `x` can be casted to a 4-bit signed integer.
template<typename T>
-static constexpr bool isInt4(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isInt4(T x) noexcept {
+ typedef typename std::make_signed<T>::type S;
+ typedef typename std::make_unsigned<T>::type U;
+
+ return std::is_signed<T>::value ? isBetween<S>(S(x), -8, 7) : U(x) <= U(7u);
+}
+
+//! Checks whether the given integer `x` can be casted to a 7-bit signed integer.
+template<typename T>
+static ASMJIT_INLINE_NODEBUG constexpr bool isInt7(T x) noexcept {
typedef typename std::make_signed<T>::type S;
typedef typename std::make_unsigned<T>::type U;
- return std::is_signed<T>::value ? isBetween<S>(S(x), -8, 7)
- : U(x) <= U(7u);
+ return std::is_signed<T>::value ? isBetween<S>(S(x), -64, 63) : U(x) <= U(63u);
}
//! Checks whether the given integer `x` can be casted to an 8-bit signed integer.
template<typename T>
-static constexpr bool isInt8(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isInt8(T x) noexcept {
typedef typename std::make_signed<T>::type S;
typedef typename std::make_unsigned<T>::type U;
- return std::is_signed<T>::value ? sizeof(T) <= 1 || isBetween<S>(S(x), -128, 127)
- : U(x) <= U(127u);
+ return std::is_signed<T>::value ? sizeof(T) <= 1 || isBetween<S>(S(x), -128, 127) : U(x) <= U(127u);
+}
+
+//! Checks whether the given integer `x` can be casted to a 9-bit signed integer.
+template<typename T>
+static ASMJIT_INLINE_NODEBUG constexpr bool isInt9(T x) noexcept {
+ typedef typename std::make_signed<T>::type S;
+ typedef typename std::make_unsigned<T>::type U;
+
+ return std::is_signed<T>::value ? sizeof(T) <= 1 || isBetween<S>(S(x), -256, 255)
+ : sizeof(T) <= 1 || U(x) <= U(255u);
+}
+
+//! Checks whether the given integer `x` can be casted to a 10-bit signed integer.
+template<typename T>
+static ASMJIT_INLINE_NODEBUG constexpr bool isInt10(T x) noexcept {
+ typedef typename std::make_signed<T>::type S;
+ typedef typename std::make_unsigned<T>::type U;
+
+ return std::is_signed<T>::value ? sizeof(T) <= 1 || isBetween<S>(S(x), -512, 511)
+ : sizeof(T) <= 1 || U(x) <= U(511u);
}
//! Checks whether the given integer `x` can be casted to a 16-bit signed integer.
template<typename T>
-static constexpr bool isInt16(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isInt16(T x) noexcept {
typedef typename std::make_signed<T>::type S;
typedef typename std::make_unsigned<T>::type U;
@@ -627,7 +774,7 @@ static constexpr bool isInt16(T x) noexcept {
//! Checks whether the given integer `x` can be casted to a 32-bit signed integer.
template<typename T>
-static constexpr bool isInt32(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isInt32(T x) noexcept {
typedef typename std::make_signed<T>::type S;
typedef typename std::make_unsigned<T>::type U;
@@ -637,7 +784,7 @@ static constexpr bool isInt32(T x) noexcept {
//! Checks whether the given integer `x` can be casted to a 4-bit unsigned integer.
template<typename T>
-static constexpr bool isUInt4(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isUInt4(T x) noexcept {
typedef typename std::make_unsigned<T>::type U;
return std::is_signed<T>::value ? x >= T(0) && x <= T(15)
@@ -646,7 +793,7 @@ static constexpr bool isUInt4(T x) noexcept {
//! Checks whether the given integer `x` can be casted to an 8-bit unsigned integer.
template<typename T>
-static constexpr bool isUInt8(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isUInt8(T x) noexcept {
typedef typename std::make_unsigned<T>::type U;
return std::is_signed<T>::value ? (sizeof(T) <= 1 || T(x) <= T(255)) && x >= T(0)
@@ -655,7 +802,7 @@ static constexpr bool isUInt8(T x) noexcept {
//! Checks whether the given integer `x` can be casted to a 12-bit unsigned integer (ARM specific).
template<typename T>
-static constexpr bool isUInt12(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isUInt12(T x) noexcept {
typedef typename std::make_unsigned<T>::type U;
return std::is_signed<T>::value ? (sizeof(T) <= 1 || T(x) <= T(4095)) && x >= T(0)
@@ -664,7 +811,7 @@ static constexpr bool isUInt12(T x) noexcept {
//! Checks whether the given integer `x` can be casted to a 16-bit unsigned integer.
template<typename T>
-static constexpr bool isUInt16(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isUInt16(T x) noexcept {
typedef typename std::make_unsigned<T>::type U;
return std::is_signed<T>::value ? (sizeof(T) <= 2 || T(x) <= T(65535)) && x >= T(0)
@@ -673,7 +820,7 @@ static constexpr bool isUInt16(T x) noexcept {
//! Checks whether the given integer `x` can be casted to a 32-bit unsigned integer.
template<typename T>
-static constexpr bool isUInt32(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isUInt32(T x) noexcept {
typedef typename std::make_unsigned<T>::type U;
return std::is_signed<T>::value ? (sizeof(T) <= 4 || T(x) <= T(4294967295u)) && x >= T(0)
@@ -682,71 +829,92 @@ static constexpr bool isUInt32(T x) noexcept {
//! Checks whether the given integer `x` can be casted to a 32-bit unsigned integer.
template<typename T>
-static constexpr bool isIntOrUInt32(T x) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr bool isIntOrUInt32(T x) noexcept {
return sizeof(T) <= 4 ? true : (uint32_t(uint64_t(x) >> 32) + 1u) <= 1u;
}
-// ============================================================================
-// [asmjit::Support - ByteSwap]
-// ============================================================================
+static bool ASMJIT_INLINE_NODEBUG isEncodableOffset32(int32_t offset, uint32_t nBits) noexcept {
+ uint32_t nRev = 32 - nBits;
+ return Support::sar(Support::shl(offset, nRev), nRev) == offset;
+}
+
+static bool ASMJIT_INLINE_NODEBUG isEncodableOffset64(int64_t offset, uint32_t nBits) noexcept {
+ uint32_t nRev = 64 - nBits;
+ return Support::sar(Support::shl(offset, nRev), nRev) == offset;
+}
+
+// Support - ByteSwap
+// ==================
+
+static ASMJIT_INLINE_NODEBUG uint16_t byteswap16(uint16_t x) noexcept {
+ return uint16_t(((x >> 8) & 0xFFu) | ((x & 0xFFu) << 8));
+}
-static constexpr uint32_t byteswap32(uint32_t x) noexcept {
+static ASMJIT_INLINE_NODEBUG uint32_t byteswap32(uint32_t x) noexcept {
return (x << 24) | (x >> 24) | ((x << 8) & 0x00FF0000u) | ((x >> 8) & 0x0000FF00);
}
-// ============================================================================
-// [asmjit::Support - BytePack / Unpack]
-// ============================================================================
+static ASMJIT_INLINE_NODEBUG uint64_t byteswap64(uint64_t x) noexcept {
+#if (defined(__GNUC__) || defined(__clang__)) && !defined(ASMJIT_NO_INTRINSICS)
+ return uint64_t(__builtin_bswap64(uint64_t(x)));
+#elif defined(_MSC_VER) && !defined(ASMJIT_NO_INTRINSICS)
+ return uint64_t(_byteswap_uint64(uint64_t(x)));
+#else
+ return (uint64_t(byteswap32(uint32_t(uint64_t(x) >> 32 ))) ) |
+ (uint64_t(byteswap32(uint32_t(uint64_t(x) & 0xFFFFFFFFu))) << 32) ;
+#endif
+}
+
+// Support - BytePack & Unpack
+// ===========================
//! Pack four 8-bit integer into a 32-bit integer as it is an array of `{b0,b1,b2,b3}`.
-static constexpr uint32_t bytepack32_4x8(uint32_t a, uint32_t b, uint32_t c, uint32_t d) noexcept {
+static ASMJIT_INLINE_NODEBUG constexpr uint32_t bytepack32_4x8(uint32_t a, uint32_t b, uint32_t c, uint32_t d) noexcept {
return ASMJIT_ARCH_LE ? (a | (b << 8) | (c << 16) | (d << 24))
: (d | (c << 8) | (b << 16) | (a << 24));
}
template<typename T>
-static constexpr uint32_t unpackU32At0(T x) noexcept { return ASMJIT_ARCH_LE ? uint32_t(uint64_t(x) & 0xFFFFFFFFu) : uint32_t(uint64_t(x) >> 32); }
+static ASMJIT_INLINE_NODEBUG constexpr uint32_t unpackU32At0(T x) noexcept { return ASMJIT_ARCH_LE ? uint32_t(uint64_t(x) & 0xFFFFFFFFu) : uint32_t(uint64_t(x) >> 32); }
template<typename T>
-static constexpr uint32_t unpackU32At1(T x) noexcept { return ASMJIT_ARCH_BE ? uint32_t(uint64_t(x) & 0xFFFFFFFFu) : uint32_t(uint64_t(x) >> 32); }
+static ASMJIT_INLINE_NODEBUG constexpr uint32_t unpackU32At1(T x) noexcept { return ASMJIT_ARCH_BE ? uint32_t(uint64_t(x) & 0xFFFFFFFFu) : uint32_t(uint64_t(x) >> 32); }
-// ============================================================================
-// [asmjit::Support - Position of byte (in bit-shift)]
-// ============================================================================
+// Support - Position of byte (in bit-shift)
+// =========================================
-static inline uint32_t byteShiftOfDWordStruct(uint32_t index) noexcept {
+static ASMJIT_INLINE_NODEBUG uint32_t byteShiftOfDWordStruct(uint32_t index) noexcept {
return ASMJIT_ARCH_LE ? index * 8 : (uint32_t(sizeof(uint32_t)) - 1u - index) * 8;
}
-// ============================================================================
-// [asmjit::Support - String Utilities]
-// ============================================================================
+// Support - String Utilities
+// ==========================
template<typename T>
-static constexpr T asciiToLower(T c) noexcept { return T(c ^ T(T(c >= T('A') && c <= T('Z')) << 5)); }
+static ASMJIT_INLINE_NODEBUG constexpr T asciiToLower(T c) noexcept { return T(c ^ T(T(c >= T('A') && c <= T('Z')) << 5)); }
template<typename T>
-static constexpr T asciiToUpper(T c) noexcept { return T(c ^ T(T(c >= T('a') && c <= T('z')) << 5)); }
+static ASMJIT_INLINE_NODEBUG constexpr T asciiToUpper(T c) noexcept { return T(c ^ T(T(c >= T('a') && c <= T('z')) << 5)); }
-static ASMJIT_INLINE size_t strLen(const char* s, size_t maxSize) noexcept {
+static ASMJIT_INLINE_NODEBUG size_t strLen(const char* s, size_t maxSize) noexcept {
size_t i = 0;
while (i < maxSize && s[i] != '\0')
i++;
return i;
}
-static constexpr uint32_t hashRound(uint32_t hash, uint32_t c) noexcept { return hash * 65599 + c; }
+static ASMJIT_INLINE_NODEBUG constexpr uint32_t hashRound(uint32_t hash, uint32_t c) noexcept { return hash * 65599 + c; }
// Gets a hash of the given string `data` of size `size`. Size must be valid
// as this function doesn't check for a null terminator and allows it in the
// middle of the string.
-static inline uint32_t hashString(const char* data, size_t size) noexcept {
+static ASMJIT_INLINE_NODEBUG uint32_t hashString(const char* data, size_t size) noexcept {
uint32_t hashCode = 0;
for (uint32_t i = 0; i < size; i++)
hashCode = hashRound(hashCode, uint8_t(data[i]));
return hashCode;
}
-static ASMJIT_INLINE const char* findPackedString(const char* p, uint32_t id) noexcept {
+static ASMJIT_INLINE_NODEBUG const char* findPackedString(const char* p, uint32_t id) noexcept {
uint32_t i = 0;
while (i < id) {
while (p[0])
@@ -757,288 +925,281 @@ static ASMJIT_INLINE const char* findPackedString(const char* p, uint32_t id) no
return p;
}
-//! Compares two instruction names.
-//!
-//! `a` is a null terminated instruction name from arch-specific `nameData[]`
-//! table. `b` is a possibly non-null terminated instruction name passed to
-//! `InstAPI::stringToInstId()`.
-static ASMJIT_INLINE int cmpInstName(const char* a, const char* b, size_t size) noexcept {
+//! Compares two string views.
+static ASMJIT_FORCE_INLINE int compareStringViews(const char* aData, size_t aSize, const char* bData, size_t bSize) noexcept {
+ size_t size = Support::min(aSize, bSize);
+
for (size_t i = 0; i < size; i++) {
- int c = int(uint8_t(a[i])) - int(uint8_t(b[i]));
- if (c != 0) return c;
+ int c = int(uint8_t(aData[i])) - int(uint8_t(bData[i]));
+ if (c != 0)
+ return c;
}
- return int(uint8_t(a[size]));
+
+ return int(aSize) - int(bSize);
}
-// ============================================================================
-// [asmjit::Support - Read / Write]
-// ============================================================================
+// Support - Memory Read Access - 8 Bits
+// =====================================
-static inline uint32_t readU8(const void* p) noexcept { return uint32_t(static_cast<const uint8_t*>(p)[0]); }
-static inline int32_t readI8(const void* p) noexcept { return int32_t(static_cast<const int8_t*>(p)[0]); }
+static ASMJIT_INLINE_NODEBUG uint8_t readU8(const void* p) noexcept { return static_cast<const uint8_t*>(p)[0]; }
+static ASMJIT_INLINE_NODEBUG int8_t readI8(const void* p) noexcept { return static_cast<const int8_t*>(p)[0]; }
-template<uint32_t BO, size_t Alignment>
-static inline uint32_t readU16x(const void* p) noexcept {
- if (BO == ByteOrder::kNative && (kUnalignedAccess16 || Alignment >= 2)) {
- typedef typename Internal::AlignedInt<uint16_t, Alignment>::T U16AlignedToN;
- return uint32_t(static_cast<const U16AlignedToN*>(p)[0]);
- }
- else {
- uint32_t hi = readU8(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 1 : 0));
- uint32_t lo = readU8(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 0 : 1));
- return shl(hi, 8) | lo;
- }
-}
+// Support - Memory Read Access - 16 Bits
+// ======================================
-template<uint32_t BO, size_t Alignment>
-static inline int32_t readI16x(const void* p) noexcept {
- if (BO == ByteOrder::kNative && (kUnalignedAccess16 || Alignment >= 2)) {
- typedef typename Internal::AlignedInt<uint16_t, Alignment>::T U16AlignedToN;
- return int32_t(int16_t(static_cast<const U16AlignedToN*>(p)[0]));
- }
- else {
- int32_t hi = readI8(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 1 : 0));
- uint32_t lo = readU8(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 0 : 1));
- return shl(hi, 8) | int32_t(lo);
- }
+template<ByteOrder BO, size_t Alignment>
+static ASMJIT_INLINE_NODEBUG uint16_t readU16x(const void* p) noexcept {
+ typedef typename Internal::AliasedUInt<uint16_t, Alignment>::T U16AlignedToN;
+ uint16_t x = static_cast<const U16AlignedToN*>(p)[0];
+ return BO == ByteOrder::kNative ? x : byteswap16(x);
}
-template<uint32_t BO = ByteOrder::kNative>
-static inline uint32_t readU24u(const void* p) noexcept {
- uint32_t b0 = readU8(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 2 : 0));
- uint32_t b1 = readU8(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 1 : 1));
- uint32_t b2 = readU8(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 0 : 2));
- return shl(b0, 16) | shl(b1, 8) | b2;
-}
-
-template<uint32_t BO, size_t Alignment>
-static inline uint32_t readU32x(const void* p) noexcept {
- if (kUnalignedAccess32 || Alignment >= 4) {
- typedef typename Internal::AlignedInt<uint32_t, Alignment>::T U32AlignedToN;
- uint32_t x = static_cast<const U32AlignedToN*>(p)[0];
- return BO == ByteOrder::kNative ? x : byteswap32(x);
- }
- else {
- uint32_t hi = readU16x<BO, Alignment >= 2 ? size_t(2) : Alignment>(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 2 : 0));
- uint32_t lo = readU16x<BO, Alignment >= 2 ? size_t(2) : Alignment>(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 0 : 2));
- return shl(hi, 16) | lo;
- }
-}
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG uint16_t readU16u(const void* p) noexcept { return readU16x<ByteOrder::kNative, Alignment>(p); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG uint16_t readU16uLE(const void* p) noexcept { return readU16x<ByteOrder::kLE, Alignment>(p); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG uint16_t readU16uBE(const void* p) noexcept { return readU16x<ByteOrder::kBE, Alignment>(p); }
-template<uint32_t BO, size_t Alignment>
-static inline uint64_t readU64x(const void* p) noexcept {
- if (BO == ByteOrder::kNative && (kUnalignedAccess64 || Alignment >= 8)) {
- typedef typename Internal::AlignedInt<uint64_t, Alignment>::T U64AlignedToN;
- return static_cast<const U64AlignedToN*>(p)[0];
- }
- else {
- uint32_t hi = readU32x<BO, Alignment >= 4 ? size_t(4) : Alignment>(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 4 : 0));
- uint32_t lo = readU32x<BO, Alignment >= 4 ? size_t(4) : Alignment>(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 0 : 4));
- return shl(uint64_t(hi), 32) | lo;
- }
-}
+static ASMJIT_INLINE_NODEBUG uint16_t readU16a(const void* p) noexcept { return readU16x<ByteOrder::kNative, 2>(p); }
+static ASMJIT_INLINE_NODEBUG uint16_t readU16aLE(const void* p) noexcept { return readU16x<ByteOrder::kLE, 2>(p); }
+static ASMJIT_INLINE_NODEBUG uint16_t readU16aBE(const void* p) noexcept { return readU16x<ByteOrder::kBE, 2>(p); }
+
+template<ByteOrder BO, size_t Alignment>
+static ASMJIT_INLINE_NODEBUG int16_t readI16x(const void* p) noexcept { return int16_t(readU16x<BO, Alignment>(p)); }
+
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG int16_t readI16u(const void* p) noexcept { return int16_t(readU16x<ByteOrder::kNative, Alignment>(p)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG int16_t readI16uLE(const void* p) noexcept { return int16_t(readU16x<ByteOrder::kLE, Alignment>(p)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG int16_t readI16uBE(const void* p) noexcept { return int16_t(readU16x<ByteOrder::kBE, Alignment>(p)); }
-template<uint32_t BO, size_t Alignment>
-static inline int32_t readI32x(const void* p) noexcept { return int32_t(readU32x<BO, Alignment>(p)); }
-
-template<uint32_t BO, size_t Alignment>
-static inline int64_t readI64x(const void* p) noexcept { return int64_t(readU64x<BO, Alignment>(p)); }
-
-template<size_t Alignment> static inline int32_t readI16xLE(const void* p) noexcept { return readI16x<ByteOrder::kLE, Alignment>(p); }
-template<size_t Alignment> static inline int32_t readI16xBE(const void* p) noexcept { return readI16x<ByteOrder::kBE, Alignment>(p); }
-template<size_t Alignment> static inline uint32_t readU16xLE(const void* p) noexcept { return readU16x<ByteOrder::kLE, Alignment>(p); }
-template<size_t Alignment> static inline uint32_t readU16xBE(const void* p) noexcept { return readU16x<ByteOrder::kBE, Alignment>(p); }
-template<size_t Alignment> static inline int32_t readI32xLE(const void* p) noexcept { return readI32x<ByteOrder::kLE, Alignment>(p); }
-template<size_t Alignment> static inline int32_t readI32xBE(const void* p) noexcept { return readI32x<ByteOrder::kBE, Alignment>(p); }
-template<size_t Alignment> static inline uint32_t readU32xLE(const void* p) noexcept { return readU32x<ByteOrder::kLE, Alignment>(p); }
-template<size_t Alignment> static inline uint32_t readU32xBE(const void* p) noexcept { return readU32x<ByteOrder::kBE, Alignment>(p); }
-template<size_t Alignment> static inline int64_t readI64xLE(const void* p) noexcept { return readI64x<ByteOrder::kLE, Alignment>(p); }
-template<size_t Alignment> static inline int64_t readI64xBE(const void* p) noexcept { return readI64x<ByteOrder::kBE, Alignment>(p); }
-template<size_t Alignment> static inline uint64_t readU64xLE(const void* p) noexcept { return readU64x<ByteOrder::kLE, Alignment>(p); }
-template<size_t Alignment> static inline uint64_t readU64xBE(const void* p) noexcept { return readU64x<ByteOrder::kBE, Alignment>(p); }
-
-static inline int32_t readI16a(const void* p) noexcept { return readI16x<ByteOrder::kNative, 2>(p); }
-static inline int32_t readI16u(const void* p) noexcept { return readI16x<ByteOrder::kNative, 1>(p); }
-static inline uint32_t readU16a(const void* p) noexcept { return readU16x<ByteOrder::kNative, 2>(p); }
-static inline uint32_t readU16u(const void* p) noexcept { return readU16x<ByteOrder::kNative, 1>(p); }
-
-static inline int32_t readI16aLE(const void* p) noexcept { return readI16xLE<2>(p); }
-static inline int32_t readI16uLE(const void* p) noexcept { return readI16xLE<1>(p); }
-static inline uint32_t readU16aLE(const void* p) noexcept { return readU16xLE<2>(p); }
-static inline uint32_t readU16uLE(const void* p) noexcept { return readU16xLE<1>(p); }
-
-static inline int32_t readI16aBE(const void* p) noexcept { return readI16xBE<2>(p); }
-static inline int32_t readI16uBE(const void* p) noexcept { return readI16xBE<1>(p); }
-static inline uint32_t readU16aBE(const void* p) noexcept { return readU16xBE<2>(p); }
-static inline uint32_t readU16uBE(const void* p) noexcept { return readU16xBE<1>(p); }
+static ASMJIT_INLINE_NODEBUG int16_t readI16a(const void* p) noexcept { return int16_t(readU16x<ByteOrder::kNative, 2>(p)); }
+static ASMJIT_INLINE_NODEBUG int16_t readI16aLE(const void* p) noexcept { return int16_t(readU16x<ByteOrder::kLE, 2>(p)); }
+static ASMJIT_INLINE_NODEBUG int16_t readI16aBE(const void* p) noexcept { return int16_t(readU16x<ByteOrder::kBE, 2>(p)); }
+
+// Support - Memory Read Access - 24 Bits
+// ======================================
+
+template<ByteOrder BO = ByteOrder::kNative>
+static inline uint32_t readU24u(const void* p) noexcept {
+ uint32_t b0 = readU8(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 2u : 0u));
+ uint32_t b1 = readU8(static_cast<const uint8_t*>(p) + 1u);
+ uint32_t b2 = readU8(static_cast<const uint8_t*>(p) + (BO == ByteOrder::kLE ? 0u : 2u));
+ return (b0 << 16) | (b1 << 8) | b2;
+}
static inline uint32_t readU24uLE(const void* p) noexcept { return readU24u<ByteOrder::kLE>(p); }
static inline uint32_t readU24uBE(const void* p) noexcept { return readU24u<ByteOrder::kBE>(p); }
-static inline int32_t readI32a(const void* p) noexcept { return readI32x<ByteOrder::kNative, 4>(p); }
-static inline int32_t readI32u(const void* p) noexcept { return readI32x<ByteOrder::kNative, 1>(p); }
-static inline uint32_t readU32a(const void* p) noexcept { return readU32x<ByteOrder::kNative, 4>(p); }
-static inline uint32_t readU32u(const void* p) noexcept { return readU32x<ByteOrder::kNative, 1>(p); }
-
-static inline int32_t readI32aLE(const void* p) noexcept { return readI32xLE<4>(p); }
-static inline int32_t readI32uLE(const void* p) noexcept { return readI32xLE<1>(p); }
-static inline uint32_t readU32aLE(const void* p) noexcept { return readU32xLE<4>(p); }
-static inline uint32_t readU32uLE(const void* p) noexcept { return readU32xLE<1>(p); }
-
-static inline int32_t readI32aBE(const void* p) noexcept { return readI32xBE<4>(p); }
-static inline int32_t readI32uBE(const void* p) noexcept { return readI32xBE<1>(p); }
-static inline uint32_t readU32aBE(const void* p) noexcept { return readU32xBE<4>(p); }
-static inline uint32_t readU32uBE(const void* p) noexcept { return readU32xBE<1>(p); }
-
-static inline int64_t readI64a(const void* p) noexcept { return readI64x<ByteOrder::kNative, 8>(p); }
-static inline int64_t readI64u(const void* p) noexcept { return readI64x<ByteOrder::kNative, 1>(p); }
-static inline uint64_t readU64a(const void* p) noexcept { return readU64x<ByteOrder::kNative, 8>(p); }
-static inline uint64_t readU64u(const void* p) noexcept { return readU64x<ByteOrder::kNative, 1>(p); }
-
-static inline int64_t readI64aLE(const void* p) noexcept { return readI64xLE<8>(p); }
-static inline int64_t readI64uLE(const void* p) noexcept { return readI64xLE<1>(p); }
-static inline uint64_t readU64aLE(const void* p) noexcept { return readU64xLE<8>(p); }
-static inline uint64_t readU64uLE(const void* p) noexcept { return readU64xLE<1>(p); }
-
-static inline int64_t readI64aBE(const void* p) noexcept { return readI64xBE<8>(p); }
-static inline int64_t readI64uBE(const void* p) noexcept { return readI64xBE<1>(p); }
-static inline uint64_t readU64aBE(const void* p) noexcept { return readU64xBE<8>(p); }
-static inline uint64_t readU64uBE(const void* p) noexcept { return readU64xBE<1>(p); }
-
-static inline void writeU8(void* p, uint32_t x) noexcept { static_cast<uint8_t*>(p)[0] = uint8_t(x & 0xFFu); }
-static inline void writeI8(void* p, int32_t x) noexcept { static_cast<uint8_t*>(p)[0] = uint8_t(x & 0xFF); }
-
-template<uint32_t BO = ByteOrder::kNative, size_t Alignment = 1>
-static inline void writeU16x(void* p, uint32_t x) noexcept {
- if (BO == ByteOrder::kNative && (kUnalignedAccess16 || Alignment >= 2)) {
- typedef typename Internal::AlignedInt<uint16_t, Alignment>::T U16AlignedToN;
- static_cast<U16AlignedToN*>(p)[0] = uint16_t(x & 0xFFFFu);
- }
- else {
- static_cast<uint8_t*>(p)[0] = uint8_t((x >> (BO == ByteOrder::kLE ? 0 : 8)) & 0xFFu);
- static_cast<uint8_t*>(p)[1] = uint8_t((x >> (BO == ByteOrder::kLE ? 8 : 0)) & 0xFFu);
- }
-}
+// Support - Memory Read Access - 32 Bits
+// ======================================
-template<uint32_t BO = ByteOrder::kNative>
-static inline void writeU24u(void* p, uint32_t v) noexcept {
- static_cast<uint8_t*>(p)[0] = uint8_t((v >> (BO == ByteOrder::kLE ? 0 : 16)) & 0xFFu);
- static_cast<uint8_t*>(p)[1] = uint8_t((v >> (BO == ByteOrder::kLE ? 8 : 8)) & 0xFFu);
- static_cast<uint8_t*>(p)[2] = uint8_t((v >> (BO == ByteOrder::kLE ? 16 : 0)) & 0xFFu);
+template<ByteOrder BO, size_t Alignment>
+static ASMJIT_INLINE_NODEBUG uint32_t readU32x(const void* p) noexcept {
+ typedef typename Internal::AliasedUInt<uint32_t, Alignment>::T U32AlignedToN;
+ uint32_t x = static_cast<const U32AlignedToN*>(p)[0];
+ return BO == ByteOrder::kNative ? x : byteswap32(x);
}
-template<uint32_t BO = ByteOrder::kNative, size_t Alignment = 1>
-static inline void writeU32x(void* p, uint32_t x) noexcept {
- if (kUnalignedAccess32 || Alignment >= 4) {
- typedef typename Internal::AlignedInt<uint32_t, Alignment>::T U32AlignedToN;
- static_cast<U32AlignedToN*>(p)[0] = (BO == ByteOrder::kNative) ? x : Support::byteswap32(x);
- }
- else {
- writeU16x<BO, Alignment >= 2 ? size_t(2) : Alignment>(static_cast<uint8_t*>(p) + 0, x >> (BO == ByteOrder::kLE ? 0 : 16));
- writeU16x<BO, Alignment >= 2 ? size_t(2) : Alignment>(static_cast<uint8_t*>(p) + 2, x >> (BO == ByteOrder::kLE ? 16 : 0));
- }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG uint32_t readU32u(const void* p) noexcept { return readU32x<ByteOrder::kNative, Alignment>(p); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG uint32_t readU32uLE(const void* p) noexcept { return readU32x<ByteOrder::kLE, Alignment>(p); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG uint32_t readU32uBE(const void* p) noexcept { return readU32x<ByteOrder::kBE, Alignment>(p); }
+
+static ASMJIT_INLINE_NODEBUG uint32_t readU32a(const void* p) noexcept { return readU32x<ByteOrder::kNative, 4>(p); }
+static ASMJIT_INLINE_NODEBUG uint32_t readU32aLE(const void* p) noexcept { return readU32x<ByteOrder::kLE, 4>(p); }
+static ASMJIT_INLINE_NODEBUG uint32_t readU32aBE(const void* p) noexcept { return readU32x<ByteOrder::kBE, 4>(p); }
+
+template<ByteOrder BO, size_t Alignment>
+static ASMJIT_INLINE_NODEBUG uint32_t readI32x(const void* p) noexcept { return int32_t(readU32x<BO, Alignment>(p)); }
+
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG int32_t readI32u(const void* p) noexcept { return int32_t(readU32x<ByteOrder::kNative, Alignment>(p)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG int32_t readI32uLE(const void* p) noexcept { return int32_t(readU32x<ByteOrder::kLE, Alignment>(p)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG int32_t readI32uBE(const void* p) noexcept { return int32_t(readU32x<ByteOrder::kBE, Alignment>(p)); }
+
+static ASMJIT_INLINE_NODEBUG int32_t readI32a(const void* p) noexcept { return int32_t(readU32x<ByteOrder::kNative, 4>(p)); }
+static ASMJIT_INLINE_NODEBUG int32_t readI32aLE(const void* p) noexcept { return int32_t(readU32x<ByteOrder::kLE, 4>(p)); }
+static ASMJIT_INLINE_NODEBUG int32_t readI32aBE(const void* p) noexcept { return int32_t(readU32x<ByteOrder::kBE, 4>(p)); }
+
+// Support - Memory Read Access - 64 Bits
+// ======================================
+
+template<ByteOrder BO, size_t Alignment>
+static ASMJIT_INLINE_NODEBUG uint64_t readU64x(const void* p) noexcept {
+ typedef typename Internal::AliasedUInt<uint64_t, Alignment>::T U64AlignedToN;
+ uint64_t x = static_cast<const U64AlignedToN*>(p)[0];
+ return BO == ByteOrder::kNative ? x : byteswap64(x);
}
-template<uint32_t BO = ByteOrder::kNative, size_t Alignment = 1>
-static inline void writeU64x(void* p, uint64_t x) noexcept {
- if (BO == ByteOrder::kNative && (kUnalignedAccess64 || Alignment >= 8)) {
- typedef typename Internal::AlignedInt<uint64_t, Alignment>::T U64AlignedToN;
- static_cast<U64AlignedToN*>(p)[0] = x;
- }
- else {
- writeU32x<BO, Alignment >= 4 ? size_t(4) : Alignment>(static_cast<uint8_t*>(p) + 0, uint32_t((x >> (BO == ByteOrder::kLE ? 0 : 32)) & 0xFFFFFFFFu));
- writeU32x<BO, Alignment >= 4 ? size_t(4) : Alignment>(static_cast<uint8_t*>(p) + 4, uint32_t((x >> (BO == ByteOrder::kLE ? 32 : 0)) & 0xFFFFFFFFu));
- }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG uint64_t readU64u(const void* p) noexcept { return readU64x<ByteOrder::kNative, Alignment>(p); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG uint64_t readU64uLE(const void* p) noexcept { return readU64x<ByteOrder::kLE, Alignment>(p); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG uint64_t readU64uBE(const void* p) noexcept { return readU64x<ByteOrder::kBE, Alignment>(p); }
+
+static ASMJIT_INLINE_NODEBUG uint64_t readU64a(const void* p) noexcept { return readU64x<ByteOrder::kNative, 8>(p); }
+static ASMJIT_INLINE_NODEBUG uint64_t readU64aLE(const void* p) noexcept { return readU64x<ByteOrder::kLE, 8>(p); }
+static ASMJIT_INLINE_NODEBUG uint64_t readU64aBE(const void* p) noexcept { return readU64x<ByteOrder::kBE, 8>(p); }
+
+template<ByteOrder BO, size_t Alignment>
+static ASMJIT_INLINE_NODEBUG int64_t readI64x(const void* p) noexcept { return int64_t(readU64x<BO, Alignment>(p)); }
+
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG int64_t readI64u(const void* p) noexcept { return int64_t(readU64x<ByteOrder::kNative, Alignment>(p)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG int64_t readI64uLE(const void* p) noexcept { return int64_t(readU64x<ByteOrder::kLE, Alignment>(p)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG int64_t readI64uBE(const void* p) noexcept { return int64_t(readU64x<ByteOrder::kBE, Alignment>(p)); }
+
+static ASMJIT_INLINE_NODEBUG int64_t readI64a(const void* p) noexcept { return int64_t(readU64x<ByteOrder::kNative, 8>(p)); }
+static ASMJIT_INLINE_NODEBUG int64_t readI64aLE(const void* p) noexcept { return int64_t(readU64x<ByteOrder::kLE, 8>(p)); }
+static ASMJIT_INLINE_NODEBUG int64_t readI64aBE(const void* p) noexcept { return int64_t(readU64x<ByteOrder::kBE, 8>(p)); }
+
+// Support - Memory Write Access - 8 Bits
+// ======================================
+
+static ASMJIT_INLINE_NODEBUG void writeU8(void* p, uint8_t x) noexcept { static_cast<uint8_t*>(p)[0] = x; }
+static ASMJIT_INLINE_NODEBUG void writeI8(void* p, int8_t x) noexcept { static_cast<int8_t*>(p)[0] = x; }
+
+// Support - Memory Write Access - 16 Bits
+// =======================================
+
+template<ByteOrder BO = ByteOrder::kNative, size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU16x(void* p, uint16_t x) noexcept {
+ typedef typename Internal::AliasedUInt<uint16_t, Alignment>::T U16AlignedToN;
+ static_cast<U16AlignedToN*>(p)[0] = BO == ByteOrder::kNative ? x : byteswap16(x);
}
-template<uint32_t BO = ByteOrder::kNative, size_t Alignment = 1> static inline void writeI16x(void* p, int32_t x) noexcept { writeU16x<BO, Alignment>(p, uint32_t(x)); }
-template<uint32_t BO = ByteOrder::kNative, size_t Alignment = 1> static inline void writeI32x(void* p, int32_t x) noexcept { writeU32x<BO, Alignment>(p, uint32_t(x)); }
-template<uint32_t BO = ByteOrder::kNative, size_t Alignment = 1> static inline void writeI64x(void* p, int64_t x) noexcept { writeU64x<BO, Alignment>(p, uint64_t(x)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU16uLE(void* p, uint16_t x) noexcept { writeU16x<ByteOrder::kLE, Alignment>(p, x); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU16uBE(void* p, uint16_t x) noexcept { writeU16x<ByteOrder::kBE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeI16xLE(void* p, int32_t x) noexcept { writeI16x<ByteOrder::kLE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeI16xBE(void* p, int32_t x) noexcept { writeI16x<ByteOrder::kBE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeU16xLE(void* p, uint32_t x) noexcept { writeU16x<ByteOrder::kLE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeU16xBE(void* p, uint32_t x) noexcept { writeU16x<ByteOrder::kBE, Alignment>(p, x); }
+static ASMJIT_INLINE_NODEBUG void writeU16a(void* p, uint16_t x) noexcept { writeU16x<ByteOrder::kNative, 2>(p, x); }
+static ASMJIT_INLINE_NODEBUG void writeU16aLE(void* p, uint16_t x) noexcept { writeU16x<ByteOrder::kLE, 2>(p, x); }
+static ASMJIT_INLINE_NODEBUG void writeU16aBE(void* p, uint16_t x) noexcept { writeU16x<ByteOrder::kBE, 2>(p, x); }
-template<size_t Alignment = 1> static inline void writeI32xLE(void* p, int32_t x) noexcept { writeI32x<ByteOrder::kLE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeI32xBE(void* p, int32_t x) noexcept { writeI32x<ByteOrder::kBE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeU32xLE(void* p, uint32_t x) noexcept { writeU32x<ByteOrder::kLE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeU32xBE(void* p, uint32_t x) noexcept { writeU32x<ByteOrder::kBE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeI64xLE(void* p, int64_t x) noexcept { writeI64x<ByteOrder::kLE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeI64xBE(void* p, int64_t x) noexcept { writeI64x<ByteOrder::kBE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeU64xLE(void* p, uint64_t x) noexcept { writeU64x<ByteOrder::kLE, Alignment>(p, x); }
-template<size_t Alignment = 1> static inline void writeU64xBE(void* p, uint64_t x) noexcept { writeU64x<ByteOrder::kBE, Alignment>(p, x); }
+template<ByteOrder BO = ByteOrder::kNative, size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI16x(void* p, int16_t x) noexcept { writeU16x<BO, Alignment>(p, uint16_t(x)); }
-static inline void writeI16a(void* p, int32_t x) noexcept { writeI16x<ByteOrder::kNative, 2>(p, x); }
-static inline void writeI16u(void* p, int32_t x) noexcept { writeI16x<ByteOrder::kNative, 1>(p, x); }
-static inline void writeU16a(void* p, uint32_t x) noexcept { writeU16x<ByteOrder::kNative, 2>(p, x); }
-static inline void writeU16u(void* p, uint32_t x) noexcept { writeU16x<ByteOrder::kNative, 1>(p, x); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI16uLE(void* p, int16_t x) noexcept { writeU16x<ByteOrder::kLE, Alignment>(p, uint16_t(x)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI16uBE(void* p, int16_t x) noexcept { writeU16x<ByteOrder::kBE, Alignment>(p, uint16_t(x)); }
-static inline void writeI16aLE(void* p, int32_t x) noexcept { writeI16xLE<2>(p, x); }
-static inline void writeI16uLE(void* p, int32_t x) noexcept { writeI16xLE<1>(p, x); }
-static inline void writeU16aLE(void* p, uint32_t x) noexcept { writeU16xLE<2>(p, x); }
-static inline void writeU16uLE(void* p, uint32_t x) noexcept { writeU16xLE<1>(p, x); }
+static ASMJIT_INLINE_NODEBUG void writeI16a(void* p, int16_t x) noexcept { writeU16x<ByteOrder::kNative, 2>(p, uint16_t(x)); }
+static ASMJIT_INLINE_NODEBUG void writeI16aLE(void* p, int16_t x) noexcept { writeU16x<ByteOrder::kLE, 2>(p, uint16_t(x)); }
+static ASMJIT_INLINE_NODEBUG void writeI16aBE(void* p, int16_t x) noexcept { writeU16x<ByteOrder::kBE, 2>(p, uint16_t(x)); }
-static inline void writeI16aBE(void* p, int32_t x) noexcept { writeI16xBE<2>(p, x); }
-static inline void writeI16uBE(void* p, int32_t x) noexcept { writeI16xBE<1>(p, x); }
-static inline void writeU16aBE(void* p, uint32_t x) noexcept { writeU16xBE<2>(p, x); }
-static inline void writeU16uBE(void* p, uint32_t x) noexcept { writeU16xBE<1>(p, x); }
+// Support - Memory Write Access - 24 Bits
+// =======================================
+
+template<ByteOrder BO = ByteOrder::kNative>
+static inline void writeU24u(void* p, uint32_t v) noexcept {
+ static_cast<uint8_t*>(p)[0] = uint8_t((v >> (BO == ByteOrder::kLE ? 0 : 16)) & 0xFFu);
+ static_cast<uint8_t*>(p)[1] = uint8_t((v >> 8) & 0xFFu);
+ static_cast<uint8_t*>(p)[2] = uint8_t((v >> (BO == ByteOrder::kLE ? 16 : 0)) & 0xFFu);
+}
static inline void writeU24uLE(void* p, uint32_t v) noexcept { writeU24u<ByteOrder::kLE>(p, v); }
static inline void writeU24uBE(void* p, uint32_t v) noexcept { writeU24u<ByteOrder::kBE>(p, v); }
-static inline void writeI32a(void* p, int32_t x) noexcept { writeI32x<ByteOrder::kNative, 4>(p, x); }
-static inline void writeI32u(void* p, int32_t x) noexcept { writeI32x<ByteOrder::kNative, 1>(p, x); }
-static inline void writeU32a(void* p, uint32_t x) noexcept { writeU32x<ByteOrder::kNative, 4>(p, x); }
-static inline void writeU32u(void* p, uint32_t x) noexcept { writeU32x<ByteOrder::kNative, 1>(p, x); }
+// Support - Memory Write Access - 32 Bits
+// =======================================
+
+template<ByteOrder BO = ByteOrder::kNative, size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU32x(void* p, uint32_t x) noexcept {
+ typedef typename Internal::AliasedUInt<uint32_t, Alignment>::T U32AlignedToN;
+ static_cast<U32AlignedToN*>(p)[0] = (BO == ByteOrder::kNative) ? x : Support::byteswap32(x);
+}
+
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU32u(void* p, uint32_t x) noexcept { writeU32x<ByteOrder::kNative, Alignment>(p, x); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU32uLE(void* p, uint32_t x) noexcept { writeU32x<ByteOrder::kLE, Alignment>(p, x); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU32uBE(void* p, uint32_t x) noexcept { writeU32x<ByteOrder::kBE, Alignment>(p, x); }
+
+static ASMJIT_INLINE_NODEBUG void writeU32a(void* p, uint32_t x) noexcept { writeU32x<ByteOrder::kNative, 4>(p, x); }
+static ASMJIT_INLINE_NODEBUG void writeU32aLE(void* p, uint32_t x) noexcept { writeU32x<ByteOrder::kLE, 4>(p, x); }
+static ASMJIT_INLINE_NODEBUG void writeU32aBE(void* p, uint32_t x) noexcept { writeU32x<ByteOrder::kBE, 4>(p, x); }
+
+template<ByteOrder BO = ByteOrder::kNative, size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI32x(void* p, int32_t x) noexcept { writeU32x<BO, Alignment>(p, uint32_t(x)); }
+
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI32u(void* p, int32_t x) noexcept { writeU32x<ByteOrder::kNative, Alignment>(p, uint32_t(x)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI32uLE(void* p, int32_t x) noexcept { writeU32x<ByteOrder::kLE, Alignment>(p, uint32_t(x)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI32uBE(void* p, int32_t x) noexcept { writeU32x<ByteOrder::kBE, Alignment>(p, uint32_t(x)); }
+
+static ASMJIT_INLINE_NODEBUG void writeI32a(void* p, int32_t x) noexcept { writeU32x<ByteOrder::kNative, 4>(p, uint32_t(x)); }
+static ASMJIT_INLINE_NODEBUG void writeI32aLE(void* p, int32_t x) noexcept { writeU32x<ByteOrder::kLE, 4>(p, uint32_t(x)); }
+static ASMJIT_INLINE_NODEBUG void writeI32aBE(void* p, int32_t x) noexcept { writeU32x<ByteOrder::kBE, 4>(p, uint32_t(x)); }
+
+// Support - Memory Write Access - 64 Bits
+// =======================================
+
+template<ByteOrder BO = ByteOrder::kNative, size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU64x(void* p, uint64_t x) noexcept {
+ typedef typename Internal::AliasedUInt<uint64_t, Alignment>::T U64AlignedToN;
+ static_cast<U64AlignedToN*>(p)[0] = BO == ByteOrder::kNative ? x : byteswap64(x);
+}
-static inline void writeI32aLE(void* p, int32_t x) noexcept { writeI32xLE<4>(p, x); }
-static inline void writeI32uLE(void* p, int32_t x) noexcept { writeI32xLE<1>(p, x); }
-static inline void writeU32aLE(void* p, uint32_t x) noexcept { writeU32xLE<4>(p, x); }
-static inline void writeU32uLE(void* p, uint32_t x) noexcept { writeU32xLE<1>(p, x); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU64u(void* p, uint64_t x) noexcept { writeU64x<ByteOrder::kNative, Alignment>(p, x); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU64uLE(void* p, uint64_t x) noexcept { writeU64x<ByteOrder::kLE, Alignment>(p, x); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeU64uBE(void* p, uint64_t x) noexcept { writeU64x<ByteOrder::kBE, Alignment>(p, x); }
-static inline void writeI32aBE(void* p, int32_t x) noexcept { writeI32xBE<4>(p, x); }
-static inline void writeI32uBE(void* p, int32_t x) noexcept { writeI32xBE<1>(p, x); }
-static inline void writeU32aBE(void* p, uint32_t x) noexcept { writeU32xBE<4>(p, x); }
-static inline void writeU32uBE(void* p, uint32_t x) noexcept { writeU32xBE<1>(p, x); }
+static ASMJIT_INLINE_NODEBUG void writeU64a(void* p, uint64_t x) noexcept { writeU64x<ByteOrder::kNative, 8>(p, x); }
+static ASMJIT_INLINE_NODEBUG void writeU64aLE(void* p, uint64_t x) noexcept { writeU64x<ByteOrder::kLE, 8>(p, x); }
+static ASMJIT_INLINE_NODEBUG void writeU64aBE(void* p, uint64_t x) noexcept { writeU64x<ByteOrder::kBE, 8>(p, x); }
-static inline void writeI64a(void* p, int64_t x) noexcept { writeI64x<ByteOrder::kNative, 8>(p, x); }
-static inline void writeI64u(void* p, int64_t x) noexcept { writeI64x<ByteOrder::kNative, 1>(p, x); }
-static inline void writeU64a(void* p, uint64_t x) noexcept { writeU64x<ByteOrder::kNative, 8>(p, x); }
-static inline void writeU64u(void* p, uint64_t x) noexcept { writeU64x<ByteOrder::kNative, 1>(p, x); }
+template<ByteOrder BO = ByteOrder::kNative, size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI64x(void* p, int64_t x) noexcept { writeU64x<BO, Alignment>(p, uint64_t(x)); }
-static inline void writeI64aLE(void* p, int64_t x) noexcept { writeI64xLE<8>(p, x); }
-static inline void writeI64uLE(void* p, int64_t x) noexcept { writeI64xLE<1>(p, x); }
-static inline void writeU64aLE(void* p, uint64_t x) noexcept { writeU64xLE<8>(p, x); }
-static inline void writeU64uLE(void* p, uint64_t x) noexcept { writeU64xLE<1>(p, x); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI64u(void* p, int64_t x) noexcept { writeU64x<ByteOrder::kNative, Alignment>(p, uint64_t(x)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI64uLE(void* p, int64_t x) noexcept { writeU64x<ByteOrder::kLE, Alignment>(p, uint64_t(x)); }
+template<size_t Alignment = 1>
+static ASMJIT_INLINE_NODEBUG void writeI64uBE(void* p, int64_t x) noexcept { writeU64x<ByteOrder::kBE, Alignment>(p, uint64_t(x)); }
-static inline void writeI64aBE(void* p, int64_t x) noexcept { writeI64xBE<8>(p, x); }
-static inline void writeI64uBE(void* p, int64_t x) noexcept { writeI64xBE<1>(p, x); }
-static inline void writeU64aBE(void* p, uint64_t x) noexcept { writeU64xBE<8>(p, x); }
-static inline void writeU64uBE(void* p, uint64_t x) noexcept { writeU64xBE<1>(p, x); }
+static ASMJIT_INLINE_NODEBUG void writeI64a(void* p, int64_t x) noexcept { writeU64x<ByteOrder::kNative, 8>(p, uint64_t(x)); }
+static ASMJIT_INLINE_NODEBUG void writeI64aLE(void* p, int64_t x) noexcept { writeU64x<ByteOrder::kLE, 8>(p, uint64_t(x)); }
+static ASMJIT_INLINE_NODEBUG void writeI64aBE(void* p, int64_t x) noexcept { writeU64x<ByteOrder::kBE, 8>(p, uint64_t(x)); }
-// ============================================================================
-// [asmjit::Support - Operators]
-// ============================================================================
+// Support - Operators
+// ===================
//! \cond INTERNAL
-struct Set { template<typename T> static inline T op(T x, T y) noexcept { DebugUtils::unused(x); return y; } };
-struct SetNot { template<typename T> static inline T op(T x, T y) noexcept { DebugUtils::unused(x); return ~y; } };
-struct And { template<typename T> static inline T op(T x, T y) noexcept { return x & y; } };
-struct AndNot { template<typename T> static inline T op(T x, T y) noexcept { return x & ~y; } };
-struct NotAnd { template<typename T> static inline T op(T x, T y) noexcept { return ~x & y; } };
-struct Or { template<typename T> static inline T op(T x, T y) noexcept { return x | y; } };
-struct Xor { template<typename T> static inline T op(T x, T y) noexcept { return x ^ y; } };
-struct Add { template<typename T> static inline T op(T x, T y) noexcept { return x + y; } };
-struct Sub { template<typename T> static inline T op(T x, T y) noexcept { return x - y; } };
-struct Min { template<typename T> static inline T op(T x, T y) noexcept { return min<T>(x, y); } };
-struct Max { template<typename T> static inline T op(T x, T y) noexcept { return max<T>(x, y); } };
+struct Set { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { DebugUtils::unused(x); return y; } };
+struct SetNot { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { DebugUtils::unused(x); return ~y; } };
+struct And { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { return x & y; } };
+struct AndNot { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { return x & ~y; } };
+struct NotAnd { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { return ~x & y; } };
+struct Or { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { return x | y; } };
+struct Xor { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { return x ^ y; } };
+struct Add { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { return x + y; } };
+struct Sub { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { return x - y; } };
+struct Min { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { return min<T>(x, y); } };
+struct Max { template<typename T> static ASMJIT_INLINE_NODEBUG T op(T x, T y) noexcept { return max<T>(x, y); } };
//! \endcond
-// ============================================================================
-// [asmjit::Support - BitWordIterator]
-// ============================================================================
+// Support - BitWordIterator
+// =========================
//! Iterates over each bit in a number which is set to 1.
//!
@@ -1056,30 +1217,29 @@ struct Max { template<typename T> static inline T op(T x, T y) noexcept { ret
template<typename T>
class BitWordIterator {
public:
- inline explicit BitWordIterator(T bitWord) noexcept
+ ASMJIT_INLINE_NODEBUG explicit BitWordIterator(T bitWord) noexcept
: _bitWord(bitWord) {}
- inline void init(T bitWord) noexcept { _bitWord = bitWord; }
- inline bool hasNext() const noexcept { return _bitWord != 0; }
+ ASMJIT_INLINE_NODEBUG void init(T bitWord) noexcept { _bitWord = bitWord; }
+ ASMJIT_INLINE_NODEBUG bool hasNext() const noexcept { return _bitWord != 0; }
- inline uint32_t next() noexcept {
+ ASMJIT_FORCE_INLINE uint32_t next() noexcept {
ASMJIT_ASSERT(_bitWord != 0);
uint32_t index = ctz(_bitWord);
- _bitWord ^= T(1u) << index;
+ _bitWord &= T(_bitWord - 1);
return index;
}
T _bitWord;
};
-// ============================================================================
-// [asmjit::Support - BitVectorOps]
-// ============================================================================
+// Support - BitVectorOps
+// ======================
//! \cond
namespace Internal {
template<typename T, class OperatorT, class FullWordOpT>
- static inline void bitVectorOp(T* buf, size_t index, size_t count) noexcept {
+ static ASMJIT_FORCE_INLINE void bitVectorOp(T* buf, size_t index, size_t count) noexcept {
if (count == 0)
return;
@@ -1113,7 +1273,7 @@ namespace Internal {
//! Sets bit in a bit-vector `buf` at `index`.
template<typename T>
-static inline bool bitVectorGetBit(T* buf, size_t index) noexcept {
+static ASMJIT_INLINE_NODEBUG bool bitVectorGetBit(T* buf, size_t index) noexcept {
const size_t kTSizeInBits = bitSizeOf<T>();
size_t vecIndex = index / kTSizeInBits;
@@ -1124,7 +1284,7 @@ static inline bool bitVectorGetBit(T* buf, size_t index) noexcept {
//! Sets bit in a bit-vector `buf` at `index` to `value`.
template<typename T>
-static inline void bitVectorSetBit(T* buf, size_t index, bool value) noexcept {
+static ASMJIT_INLINE_NODEBUG void bitVectorSetBit(T* buf, size_t index, bool value) noexcept {
const size_t kTSizeInBits = bitSizeOf<T>();
size_t vecIndex = index / kTSizeInBits;
@@ -1139,7 +1299,7 @@ static inline void bitVectorSetBit(T* buf, size_t index, bool value) noexcept {
//! Sets bit in a bit-vector `buf` at `index` to `value`.
template<typename T>
-static inline void bitVectorFlipBit(T* buf, size_t index) noexcept {
+static ASMJIT_INLINE_NODEBUG void bitVectorFlipBit(T* buf, size_t index) noexcept {
const size_t kTSizeInBits = bitSizeOf<T>();
size_t vecIndex = index / kTSizeInBits;
@@ -1151,14 +1311,14 @@ static inline void bitVectorFlipBit(T* buf, size_t index) noexcept {
//! Fills `count` bits in bit-vector `buf` starting at bit-index `index`.
template<typename T>
-static inline void bitVectorFill(T* buf, size_t index, size_t count) noexcept { Internal::bitVectorOp<T, Or, Set>(buf, index, count); }
+static ASMJIT_INLINE_NODEBUG void bitVectorFill(T* buf, size_t index, size_t count) noexcept { Internal::bitVectorOp<T, Or, Set>(buf, index, count); }
//! Clears `count` bits in bit-vector `buf` starting at bit-index `index`.
template<typename T>
-static inline void bitVectorClear(T* buf, size_t index, size_t count) noexcept { Internal::bitVectorOp<T, AndNot, SetNot>(buf, index, count); }
+static ASMJIT_INLINE_NODEBUG void bitVectorClear(T* buf, size_t index, size_t count) noexcept { Internal::bitVectorOp<T, AndNot, SetNot>(buf, index, count); }
template<typename T>
-static inline size_t bitVectorIndexOf(T* buf, size_t start, bool value) noexcept {
+static ASMJIT_FORCE_INLINE size_t bitVectorIndexOf(T* buf, size_t start, bool value) noexcept {
const size_t kTSizeInBits = bitSizeOf<T>();
size_t vecIndex = start / kTSizeInBits; // T[]
size_t bitIndex = start % kTSizeInBits; // T[][]
@@ -1178,9 +1338,8 @@ static inline size_t bitVectorIndexOf(T* buf, size_t start, bool value) noexcept
}
}
-// ============================================================================
-// [asmjit::Support - BitVectorIterator]
-// ============================================================================
+// Support - BitVectorIterator
+// ===========================
template<typename T>
class BitVectorIterator {
@@ -1190,13 +1349,13 @@ public:
size_t _end;
T _current;
- ASMJIT_INLINE BitVectorIterator(const BitVectorIterator& other) noexcept = default;
+ ASMJIT_INLINE_NODEBUG BitVectorIterator(const BitVectorIterator& other) noexcept = default;
- ASMJIT_INLINE BitVectorIterator(const T* data, size_t numBitWords, size_t start = 0) noexcept {
+ ASMJIT_INLINE_NODEBUG BitVectorIterator(const T* data, size_t numBitWords, size_t start = 0) noexcept {
init(data, numBitWords, start);
}
- ASMJIT_INLINE void init(const T* data, size_t numBitWords, size_t start = 0) noexcept {
+ ASMJIT_FORCE_INLINE void init(const T* data, size_t numBitWords, size_t start = 0) noexcept {
const T* ptr = data + (start / bitSizeOf<T>());
size_t idx = alignDown(start, bitSizeOf<T>());
size_t end = numBitWords * bitSizeOf<T>();
@@ -1214,16 +1373,16 @@ public:
_current = bitWord;
}
- ASMJIT_INLINE bool hasNext() const noexcept {
+ ASMJIT_INLINE_NODEBUG bool hasNext() const noexcept {
return _current != T(0);
}
- ASMJIT_INLINE size_t next() noexcept {
+ ASMJIT_FORCE_INLINE size_t next() noexcept {
T bitWord = _current;
ASMJIT_ASSERT(bitWord != T(0));
uint32_t bit = ctz(bitWord);
- bitWord ^= T(1u) << bit;
+ bitWord &= T(bitWord - 1u);
size_t n = _idx + bit;
while (!bitWord && (_idx += bitSizeOf<T>()) < _end)
@@ -1233,20 +1392,21 @@ public:
return n;
}
- ASMJIT_INLINE size_t peekNext() const noexcept {
+ ASMJIT_FORCE_INLINE size_t peekNext() const noexcept {
ASMJIT_ASSERT(_current != T(0));
return _idx + ctz(_current);
}
};
-// ============================================================================
-// [asmjit::Support - BitVectorOpIterator]
-// ============================================================================
+// Support - BitVectorOpIterator
+// =============================
template<typename T, class OperatorT>
class BitVectorOpIterator {
public:
- static constexpr uint32_t kTSizeInBits = bitSizeOf<T>();
+ enum : uint32_t {
+ kTSizeInBits = bitSizeOf<T>()
+ };
const T* _aPtr;
const T* _bPtr;
@@ -1254,11 +1414,11 @@ public:
size_t _end;
T _current;
- ASMJIT_INLINE BitVectorOpIterator(const T* aData, const T* bData, size_t numBitWords, size_t start = 0) noexcept {
+ ASMJIT_INLINE_NODEBUG BitVectorOpIterator(const T* aData, const T* bData, size_t numBitWords, size_t start = 0) noexcept {
init(aData, bData, numBitWords, start);
}
- ASMJIT_INLINE void init(const T* aData, const T* bData, size_t numBitWords, size_t start = 0) noexcept {
+ ASMJIT_FORCE_INLINE void init(const T* aData, const T* bData, size_t numBitWords, size_t start = 0) noexcept {
const T* aPtr = aData + (start / bitSizeOf<T>());
const T* bPtr = bData + (start / bitSizeOf<T>());
size_t idx = alignDown(start, bitSizeOf<T>());
@@ -1278,16 +1438,16 @@ public:
_current = bitWord;
}
- ASMJIT_INLINE bool hasNext() noexcept {
+ ASMJIT_INLINE_NODEBUG bool hasNext() noexcept {
return _current != T(0);
}
- ASMJIT_INLINE size_t next() noexcept {
+ ASMJIT_FORCE_INLINE size_t next() noexcept {
T bitWord = _current;
ASMJIT_ASSERT(bitWord != T(0));
uint32_t bit = ctz(bitWord);
- bitWord ^= T(1u) << bit;
+ bitWord &= T(bitWord - 1u);
size_t n = _idx + bit;
while (!bitWord && (_idx += kTSizeInBits) < _end)
@@ -1298,29 +1458,29 @@ public:
}
};
-// ============================================================================
-// [asmjit::Support - Sorting]
-// ============================================================================
+// Support - Sorting
+// =================
//! Sort order.
-enum SortOrder : uint32_t {
- kSortAscending = 0, //!< Ascending.
- kSortDescending = 1 //!< Descending.
+enum class SortOrder : uint32_t {
+ //!< Ascending order.
+ kAscending = 0,
+ //!< Descending order.
+ kDescending = 1
};
//! A helper class that provides comparison of any user-defined type that
//! implements `<` and `>` operators (primitive types are supported as well).
-template<uint32_t Order = kSortAscending>
+template<SortOrder kOrder = SortOrder::kAscending>
struct Compare {
template<typename A, typename B>
- inline int operator()(const A& a, const B& b) const noexcept {
- return Order == kSortAscending ? int(a > b) - int(a < b)
- : int(a < b) - int(a > b);
+ ASMJIT_INLINE_NODEBUG int operator()(const A& a, const B& b) const noexcept {
+ return kOrder == SortOrder::kAscending ? int(a > b) - int(a < b) : int(a < b) - int(a > b);
}
};
//! Insertion sort.
-template<typename T, typename CompareT = Compare<kSortAscending>>
+template<typename T, typename CompareT = Compare<SortOrder::kAscending>>
static inline void iSort(T* base, size_t size, const CompareT& cmp = CompareT()) noexcept {
for (T* pm = base + 1; pm < base + size; pm++)
for (T* pl = pm; pl > base && cmp(pl[-1], pl[0]) > 0; pl--)
@@ -1332,8 +1492,10 @@ namespace Internal {
//! Quick-sort implementation.
template<typename T, class CompareT>
struct QSortImpl {
- static constexpr size_t kStackSize = 64 * 2;
- static constexpr size_t kISortThreshold = 7;
+ enum : size_t {
+ kStackSize = 64 * 2,
+ kISortThreshold = 7
+ };
// Based on "PDCLib - Public Domain C Library" and rewritten to C++.
static void sort(T* base, size_t size, const CompareT& cmp) noexcept {
@@ -1398,91 +1560,231 @@ namespace Internal {
//! Quick sort implementation.
//!
-//! The main reason to provide a custom qsort implementation is that we needed
-//! something that will never throw `bad_alloc` exception. This implementation
-//! doesn't use dynamic memory allocation.
-template<typename T, class CompareT = Compare<kSortAscending>>
-static inline void qSort(T* base, size_t size, const CompareT& cmp = CompareT()) noexcept {
+//! The main reason to provide a custom qsort implementation is that we needed something that will
+//! never throw `bad_alloc` exception. This implementation doesn't use dynamic memory allocation.
+template<typename T, class CompareT = Compare<SortOrder::kAscending>>
+static ASMJIT_INLINE_NODEBUG void qSort(T* base, size_t size, const CompareT& cmp = CompareT()) noexcept {
Internal::QSortImpl<T, CompareT>::sort(base, size, cmp);
}
-// ============================================================================
-// [asmjit::Support - Iterators]
-// ============================================================================
+// Support - ReverseIterator
+// =========================
+//! Reverse iterator to avoid including `<iterator>` header for iteration over arrays, specialized for
+//! AsmJit use (noexcept by design).
template<typename T>
-class Iterator {
+class ArrayReverseIterator {
public:
- constexpr Iterator(T* p) noexcept : _p(p) {}
- constexpr Iterator(const Iterator& other) noexcept = default;
+ //! \name Members
+ //! \{
- inline Iterator& operator=(const Iterator& other) noexcept = default;
+ T* _ptr {};
- inline Iterator operator+(size_t n) const noexcept { return Iterator(_p + n); }
- inline Iterator operator-(size_t n) const noexcept { return Iterator(_p - n); }
+ //! \}
- inline Iterator& operator+=(size_t n) noexcept { _p += n; return *this; }
- inline Iterator& operator-=(size_t n) noexcept { _p -= n; return *this; }
+ //! \name Construction & Destruction
+ //! \{
- inline Iterator& operator++() noexcept { return operator+=(1); }
- inline Iterator& operator--() noexcept { return operator-=(1); }
+ ASMJIT_INLINE_NODEBUG constexpr ArrayReverseIterator() noexcept = default;
+ ASMJIT_INLINE_NODEBUG constexpr ArrayReverseIterator(const ArrayReverseIterator& other) noexcept = default;
+ ASMJIT_INLINE_NODEBUG constexpr ArrayReverseIterator(T* ptr) noexcept : _ptr(ptr) {}
- inline Iterator operator++(int) noexcept { T* prev = _p; operator+=(1); return Iterator(prev); }
- inline Iterator operator--(int) noexcept { T* prev = _p; operator-=(1); return Iterator(prev); }
+ //! \}
- inline bool operator==(const Iterator& other) noexcept { return _p == other._p; }
- inline bool operator!=(const Iterator& other) noexcept { return _p != other._p; }
+ //! \name Overloaded Operators
+ //! \{
- inline T& operator*() const noexcept { return _p[0]; }
+ ASMJIT_INLINE_NODEBUG ArrayReverseIterator& operator=(const ArrayReverseIterator& other) noexcept = default;
- T* _p;
+ ASMJIT_INLINE_NODEBUG bool operator==(const T* other) const noexcept { return _ptr == other; }
+ ASMJIT_INLINE_NODEBUG bool operator==(const ArrayReverseIterator& other) const noexcept { return _ptr == other._ptr; }
+
+ ASMJIT_INLINE_NODEBUG bool operator!=(const T* other) const noexcept { return _ptr != other; }
+ ASMJIT_INLINE_NODEBUG bool operator!=(const ArrayReverseIterator& other) const noexcept { return _ptr != other._ptr; }
+
+ ASMJIT_INLINE_NODEBUG bool operator<(const T* other) const noexcept { return _ptr < other; }
+ ASMJIT_INLINE_NODEBUG bool operator<(const ArrayReverseIterator& other) const noexcept { return _ptr < other._ptr; }
+
+ ASMJIT_INLINE_NODEBUG bool operator<=(const T* other) const noexcept { return _ptr <= other; }
+ ASMJIT_INLINE_NODEBUG bool operator<=(const ArrayReverseIterator& other) const noexcept { return _ptr <= other._ptr; }
+
+ ASMJIT_INLINE_NODEBUG bool operator>(const T* other) const noexcept { return _ptr > other; }
+ ASMJIT_INLINE_NODEBUG bool operator>(const ArrayReverseIterator& other) const noexcept { return _ptr > other._ptr; }
+
+ ASMJIT_INLINE_NODEBUG bool operator>=(const T* other) const noexcept { return _ptr >= other; }
+ ASMJIT_INLINE_NODEBUG bool operator>=(const ArrayReverseIterator& other) const noexcept { return _ptr >= other._ptr; }
+
+ ASMJIT_INLINE_NODEBUG ArrayReverseIterator& operator++() noexcept { _ptr--; return *this; }
+ ASMJIT_INLINE_NODEBUG ArrayReverseIterator& operator++(int) noexcept { ArrayReverseIterator prev(*this); _ptr--; return prev; }
+
+ ASMJIT_INLINE_NODEBUG ArrayReverseIterator& operator--() noexcept { _ptr++; return *this; }
+ ASMJIT_INLINE_NODEBUG ArrayReverseIterator& operator--(int) noexcept { ArrayReverseIterator prev(*this); _ptr++; return prev; }
+
+ template<typename Diff> ASMJIT_INLINE_NODEBUG ArrayReverseIterator operator+(const Diff& n) noexcept { return ArrayReverseIterator(_ptr -= n); }
+ template<typename Diff> ASMJIT_INLINE_NODEBUG ArrayReverseIterator operator-(const Diff& n) noexcept { return ArrayReverseIterator(_ptr += n); }
+
+ template<typename Diff> ASMJIT_INLINE_NODEBUG ArrayReverseIterator& operator+=(const Diff& n) noexcept { _ptr -= n; return *this; }
+ template<typename Diff> ASMJIT_INLINE_NODEBUG ArrayReverseIterator& operator-=(const Diff& n) noexcept { _ptr += n; return *this; }
+
+ ASMJIT_INLINE_NODEBUG constexpr T& operator*() const noexcept { return _ptr[-1]; }
+ ASMJIT_INLINE_NODEBUG constexpr T* operator->() const noexcept { return &_ptr[-1]; }
+
+ template<typename Diff> ASMJIT_INLINE_NODEBUG T& operator[](const Diff& n) noexcept { return *(_ptr - n - 1); }
+
+ ASMJIT_INLINE_NODEBUG operator T*() const noexcept { return _ptr; }
+
+ //! \}
};
-template<typename T>
-class ReverseIterator {
-public:
- constexpr ReverseIterator(T* p) noexcept : _p(p) {}
- constexpr ReverseIterator(const ReverseIterator& other) noexcept = default;
+// Support - Array
+// ===============
+
+//! Array type, similar to std::array<T, N>, with the possibility to use enums in operator[].
+//!
+//! \note The array has C semantics - the elements in the array are not initialized.
+template<typename T, size_t N>
+struct Array {
+ //! \name Members
+ //! \{
+
+ //! The underlying array data, use \ref data() to access it.
+ T _data[N];
+
+ //! \}
+
+ //! \cond
+ // std compatibility.
+ typedef T value_type;
+ typedef size_t size_type;
+ typedef ptrdiff_t difference_type;
+
+ typedef value_type& reference;
+ typedef const value_type& const_reference;
+
+ typedef value_type* pointer;
+ typedef const value_type* const_pointer;
+
+ typedef pointer iterator;
+ typedef const_pointer const_iterator;
+ //! \endcond
+
+ //! \name Overloaded Operators
+ //! \{
+
+ template<typename Index>
+ inline T& operator[](const Index& index) noexcept {
+ typedef typename Internal::StdInt<sizeof(Index), 1>::Type U;
+ ASMJIT_ASSERT(U(index) < N);
+ return _data[U(index)];
+ }
- inline ReverseIterator& operator=(const ReverseIterator& other) noexcept = default;
+ template<typename Index>
+ inline const T& operator[](const Index& index) const noexcept {
+ typedef typename Internal::StdInt<sizeof(Index), 1>::Type U;
+ ASMJIT_ASSERT(U(index) < N);
+ return _data[U(index)];
+ }
+
+ inline bool operator==(const Array& other) const noexcept {
+ for (size_t i = 0; i < N; i++)
+ if (_data[i] != other._data[i])
+ return false;
+ return true;
+ }
+
+ inline bool operator!=(const Array& other) const noexcept {
+ return !operator==(other);
+ }
+
+ //! \}
+
+ //! \name Accessors
+ //! \{
+
+ ASMJIT_INLINE_NODEBUG bool empty() const noexcept { return false; }
+ ASMJIT_INLINE_NODEBUG size_t size() const noexcept { return N; }
+
+ ASMJIT_INLINE_NODEBUG T* data() noexcept { return _data; }
+ ASMJIT_INLINE_NODEBUG const T* data() const noexcept { return _data; }
- inline ReverseIterator operator+(size_t n) const noexcept { return ReverseIterator(_p + n); }
- inline ReverseIterator operator-(size_t n) const noexcept { return ReverseIterator(_p - n); }
+ ASMJIT_INLINE_NODEBUG T& front() noexcept { return _data[0]; }
+ ASMJIT_INLINE_NODEBUG const T& front() const noexcept { return _data[0]; }
- inline ReverseIterator& operator+=(size_t n) noexcept { _p -= n; return *this; }
- inline ReverseIterator& operator-=(size_t n) noexcept { _p += n; return *this; }
+ ASMJIT_INLINE_NODEBUG T& back() noexcept { return _data[N - 1]; }
+ ASMJIT_INLINE_NODEBUG const T& back() const noexcept { return _data[N - 1]; }
- inline ReverseIterator& operator++() noexcept { return operator+=(1); }
- inline ReverseIterator& operator--() noexcept { return operator-=(1); }
+ ASMJIT_INLINE_NODEBUG T* begin() noexcept { return _data; }
+ ASMJIT_INLINE_NODEBUG T* end() noexcept { return _data + N; }
- inline ReverseIterator operator++(int) noexcept { T* prev = _p; operator+=(1); return ReverseIterator(prev); }
- inline ReverseIterator operator--(int) noexcept { T* prev = _p; operator-=(1); return ReverseIterator(prev); }
+ ASMJIT_INLINE_NODEBUG const T* begin() const noexcept { return _data; }
+ ASMJIT_INLINE_NODEBUG const T* end() const noexcept { return _data + N; }
- inline bool operator==(const ReverseIterator& other) noexcept { return _p == other._p; }
- inline bool operator!=(const ReverseIterator& other) noexcept { return _p != other._p; }
+ ASMJIT_INLINE_NODEBUG const T* cbegin() const noexcept { return _data; }
+ ASMJIT_INLINE_NODEBUG const T* cend() const noexcept { return _data + N; }
- inline T& operator*() const noexcept { return _p[-1]; }
+ //! \}
+
+ //! \name Utilities
+ //! \{
- T* _p;
+ inline void swap(Array& other) noexcept {
+ for (size_t i = 0; i < N; i++)
+ std::swap(_data[i], other._data[i]);
+ }
+
+ inline void fill(const T& value) noexcept {
+ for (size_t i = 0; i < N; i++)
+ _data[i] = value;
+ }
+
+ inline void copyFrom(const Array& other) noexcept {
+ for (size_t i = 0; i < N; i++)
+ _data[i] = other._data[i];
+ }
+
+ template<typename Operator>
+ inline void combine(const Array& other) noexcept {
+ for (size_t i = 0; i < N; i++)
+ _data[i] = Operator::op(_data[i], other._data[i]);
+ }
+
+ template<typename Operator>
+ inline T aggregate(T initialValue = T()) const noexcept {
+ T value = initialValue;
+ for (size_t i = 0; i < N; i++)
+ value = Operator::op(value, _data[i]);
+ return value;
+ }
+
+ template<typename Fn>
+ inline void forEach(Fn&& fn) noexcept {
+ for (size_t i = 0; i < N; i++)
+ fn(_data[i]);
+ }
+ //! \}
};
-// ============================================================================
-// [asmjit::Support::Temporary]
-// ============================================================================
+// Support::Temporary
+// ==================
//! Used to pass a temporary buffer to:
//!
//! - Containers that use user-passed buffer as an initial storage (still can grow).
//! - Zone allocator that would use the temporary buffer as a first block.
struct Temporary {
+ //! \name Members
+ //! \{
+
void* _data;
size_t _size;
+ //! \}
+
//! \name Construction & Destruction
//! \{
- constexpr Temporary(const Temporary& other) noexcept = default;
- constexpr Temporary(void* data, size_t size) noexcept
+ ASMJIT_INLINE_NODEBUG constexpr Temporary(const Temporary& other) noexcept = default;
+ ASMJIT_INLINE_NODEBUG constexpr Temporary(void* data, size_t size) noexcept
: _data(data),
_size(size) {}
@@ -1491,7 +1793,7 @@ struct Temporary {
//! \name Overloaded Operators
//! \{
- inline Temporary& operator=(const Temporary& other) noexcept = default;
+ ASMJIT_INLINE_NODEBUG Temporary& operator=(const Temporary& other) noexcept = default;
//! \}
@@ -1500,9 +1802,9 @@ struct Temporary {
//! Returns the data storage.
template<typename T = void>
- constexpr T* data() const noexcept { return static_cast<T*>(_data); }
+ ASMJIT_INLINE_NODEBUG constexpr T* data() const noexcept { return static_cast<T*>(_data); }
//! Returns the data storage size in bytes.
- constexpr size_t size() const noexcept { return _size; }
+ ASMJIT_INLINE_NODEBUG constexpr size_t size() const noexcept { return _size; }
//! \}
};