Index: mozilla/nsprpub/pr/include/prlong.h |
=================================================================== |
--- mozilla/nsprpub/pr/include/prlong.h (revision 191424) |
+++ mozilla/nsprpub/pr/include/prlong.h (working copy) |
@@ -1,403 +0,0 @@ |
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
-/* This Source Code Form is subject to the terms of the Mozilla Public |
- * License, v. 2.0. If a copy of the MPL was not distributed with this |
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
- |
-/* |
-** File: prlong.h |
-** Description: Portable access to 64 bit numerics |
-** |
-** Long-long (64-bit signed integer type) support. Some C compilers |
-** don't support 64 bit integers yet, so we use these macros to |
-** support both machines that do and don't. |
-**/ |
-#ifndef prlong_h___ |
-#define prlong_h___ |
- |
-#include "prtypes.h" |
- |
-PR_BEGIN_EXTERN_C |
- |
-/*********************************************************************** |
-** DEFINES: LL_MaxInt |
-** LL_MinInt |
-** LL_Zero |
-** LL_MaxUint |
-** DESCRIPTION: |
-** Various interesting constants and static variable |
-** initializer |
-***********************************************************************/ |
-NSPR_API(PRInt64) LL_MaxInt(void); |
-NSPR_API(PRInt64) LL_MinInt(void); |
-NSPR_API(PRInt64) LL_Zero(void); |
-NSPR_API(PRUint64) LL_MaxUint(void); |
- |
-#if defined(HAVE_LONG_LONG) |
- |
-/* Keep this in sync with prtypes.h. */ |
-#if PR_BYTES_PER_LONG == 8 && !defined(PR_ALTERNATE_INT64_TYPEDEF) |
-#define LL_MAXINT 9223372036854775807L |
-#define LL_MININT (-LL_MAXINT - 1L) |
-#define LL_ZERO 0L |
-#define LL_MAXUINT 18446744073709551615UL |
-#define LL_INIT(hi, lo) ((hi ## L << 32) + lo ## L) |
-#elif defined(WIN32) && !defined(__GNUC__) |
-#define LL_MAXINT 9223372036854775807i64 |
-#define LL_MININT (-LL_MAXINT - 1i64) |
-#define LL_ZERO 0i64 |
-#define LL_MAXUINT 18446744073709551615ui64 |
-#define LL_INIT(hi, lo) ((hi ## i64 << 32) + lo ## i64) |
-#else |
-#define LL_MAXINT 9223372036854775807LL |
-#define LL_MININT (-LL_MAXINT - 1LL) |
-#define LL_ZERO 0LL |
-#define LL_MAXUINT 18446744073709551615ULL |
-#define LL_INIT(hi, lo) ((hi ## LL << 32) + lo ## LL) |
-#endif |
- |
-/*********************************************************************** |
-** MACROS: LL_* |
-** DESCRIPTION: |
-** The following macros define portable access to the 64 bit |
-** math facilities. |
-** |
-***********************************************************************/ |
- |
-/*********************************************************************** |
-** MACROS: LL_<relational operators> |
-** |
-** LL_IS_ZERO Test for zero |
-** LL_EQ Test for equality |
-** LL_NE Test for inequality |
-** LL_GE_ZERO Test for zero or positive |
-** LL_CMP Compare two values |
-***********************************************************************/ |
-#define LL_IS_ZERO(a) ((a) == 0) |
-#define LL_EQ(a, b) ((a) == (b)) |
-#define LL_NE(a, b) ((a) != (b)) |
-#define LL_GE_ZERO(a) ((a) >= 0) |
-#define LL_CMP(a, op, b) ((PRInt64)(a) op (PRInt64)(b)) |
-#define LL_UCMP(a, op, b) ((PRUint64)(a) op (PRUint64)(b)) |
- |
-/*********************************************************************** |
-** MACROS: LL_<logical operators> |
-** |
-** LL_AND Logical and |
-** LL_OR Logical or |
-** LL_XOR Logical exclusion |
-** LL_OR2 A disgusting deviation |
-** LL_NOT Negation (one's complement) |
-***********************************************************************/ |
-#define LL_AND(r, a, b) ((r) = (a) & (b)) |
-#define LL_OR(r, a, b) ((r) = (a) | (b)) |
-#define LL_XOR(r, a, b) ((r) = (a) ^ (b)) |
-#define LL_OR2(r, a) ((r) = (r) | (a)) |
-#define LL_NOT(r, a) ((r) = ~(a)) |
- |
-/*********************************************************************** |
-** MACROS: LL_<mathematical operators> |
-** |
-** LL_NEG Negation (two's complement) |
-** LL_ADD Summation (two's complement) |
-** LL_SUB Difference (two's complement) |
-***********************************************************************/ |
-#define LL_NEG(r, a) ((r) = -(a)) |
-#define LL_ADD(r, a, b) ((r) = (a) + (b)) |
-#define LL_SUB(r, a, b) ((r) = (a) - (b)) |
- |
-/*********************************************************************** |
-** MACROS: LL_<mathematical operators> |
-** |
-** LL_MUL Product (two's complement) |
-** LL_DIV Quotient (two's complement) |
-** LL_MOD Modulus (two's complement) |
-***********************************************************************/ |
-#define LL_MUL(r, a, b) ((r) = (a) * (b)) |
-#define LL_DIV(r, a, b) ((r) = (a) / (b)) |
-#define LL_MOD(r, a, b) ((r) = (a) % (b)) |
- |
-/*********************************************************************** |
-** MACROS: LL_<shifting operators> |
-** |
-** LL_SHL Shift left [0..64] bits |
-** LL_SHR Shift right [0..64] bits with sign extension |
-** LL_USHR Unsigned shift right [0..64] bits |
-** LL_ISHL Signed shift left [0..64] bits |
-***********************************************************************/ |
-#define LL_SHL(r, a, b) ((r) = (PRInt64)(a) << (b)) |
-#define LL_SHR(r, a, b) ((r) = (PRInt64)(a) >> (b)) |
-#define LL_USHR(r, a, b) ((r) = (PRUint64)(a) >> (b)) |
-#define LL_ISHL(r, a, b) ((r) = (PRInt64)(a) << (b)) |
- |
-/*********************************************************************** |
-** MACROS: LL_<conversion operators> |
-** |
-** LL_L2I Convert to signed 32 bit |
-** LL_L2UI Convert to unsigned 32 bit |
-** LL_L2F Convert to floating point |
-** LL_L2D Convert to floating point |
-** LL_I2L Convert signed to 64 bit |
-** LL_UI2L Convert unsigned to 64 bit |
-** LL_F2L Convert float to 64 bit |
-** LL_D2L Convert float to 64 bit |
-***********************************************************************/ |
-#define LL_L2I(i, l) ((i) = (PRInt32)(l)) |
-#define LL_L2UI(ui, l) ((ui) = (PRUint32)(l)) |
-#define LL_L2F(f, l) ((f) = (PRFloat64)(l)) |
-#define LL_L2D(d, l) ((d) = (PRFloat64)(l)) |
- |
-#define LL_I2L(l, i) ((l) = (PRInt64)(i)) |
-#define LL_UI2L(l, ui) ((l) = (PRInt64)(ui)) |
-#define LL_F2L(l, f) ((l) = (PRInt64)(f)) |
-#define LL_D2L(l, d) ((l) = (PRInt64)(d)) |
- |
-/*********************************************************************** |
-** MACROS: LL_UDIVMOD |
-** DESCRIPTION: |
-** Produce both a quotient and a remainder given an unsigned |
-** INPUTS: PRUint64 a: The dividend of the operation |
-** PRUint64 b: The quotient of the operation |
-** OUTPUTS: PRUint64 *qp: pointer to quotient |
-** PRUint64 *rp: pointer to remainder |
-***********************************************************************/ |
-#define LL_UDIVMOD(qp, rp, a, b) \ |
- (*(qp) = ((PRUint64)(a) / (b)), \ |
- *(rp) = ((PRUint64)(a) % (b))) |
- |
-#else /* !HAVE_LONG_LONG */ |
- |
-#define LL_MAXINT LL_MaxInt() |
-#define LL_MININT LL_MinInt() |
-#define LL_ZERO LL_Zero() |
-#define LL_MAXUINT LL_MaxUint() |
- |
-#ifdef IS_LITTLE_ENDIAN |
-#define LL_INIT(hi, lo) {PR_UINT32(lo), PR_UINT32(hi)} |
-#else |
-#define LL_INIT(hi, lo) {PR_UINT32(hi), PR_UINT32(lo)} |
-#endif |
- |
-#define LL_IS_ZERO(a) (((a).hi == 0) && ((a).lo == 0)) |
-#define LL_EQ(a, b) (((a).hi == (b).hi) && ((a).lo == (b).lo)) |
-#define LL_NE(a, b) (((a).hi != (b).hi) || ((a).lo != (b).lo)) |
-#define LL_GE_ZERO(a) (((a).hi >> 31) == 0) |
- |
-#define LL_CMP(a, op, b) (((a).hi == (b).hi) ? ((a).lo op (b).lo) : \ |
- ((PRInt32)(a).hi op (PRInt32)(b).hi)) |
-#define LL_UCMP(a, op, b) (((a).hi == (b).hi) ? ((a).lo op (b).lo) : \ |
- ((a).hi op (b).hi)) |
- |
-#define LL_AND(r, a, b) ((r).lo = (a).lo & (b).lo, \ |
- (r).hi = (a).hi & (b).hi) |
-#define LL_OR(r, a, b) ((r).lo = (a).lo | (b).lo, \ |
- (r).hi = (a).hi | (b).hi) |
-#define LL_XOR(r, a, b) ((r).lo = (a).lo ^ (b).lo, \ |
- (r).hi = (a).hi ^ (b).hi) |
-#define LL_OR2(r, a) ((r).lo = (r).lo | (a).lo, \ |
- (r).hi = (r).hi | (a).hi) |
-#define LL_NOT(r, a) ((r).lo = ~(a).lo, \ |
- (r).hi = ~(a).hi) |
- |
-#define LL_NEG(r, a) ((r).lo = -(PRInt32)(a).lo, \ |
- (r).hi = -(PRInt32)(a).hi - ((r).lo != 0)) |
-#define LL_ADD(r, a, b) { \ |
- PRInt64 _a, _b; \ |
- _a = a; _b = b; \ |
- (r).lo = _a.lo + _b.lo; \ |
- (r).hi = _a.hi + _b.hi + ((r).lo < _b.lo); \ |
-} |
- |
-#define LL_SUB(r, a, b) { \ |
- PRInt64 _a, _b; \ |
- _a = a; _b = b; \ |
- (r).lo = _a.lo - _b.lo; \ |
- (r).hi = _a.hi - _b.hi - (_a.lo < _b.lo); \ |
-} |
- |
-#define LL_MUL(r, a, b) { \ |
- PRInt64 _a, _b; \ |
- _a = a; _b = b; \ |
- LL_MUL32(r, _a.lo, _b.lo); \ |
- (r).hi += _a.hi * _b.lo + _a.lo * _b.hi; \ |
-} |
- |
-#define _lo16(a) ((a) & PR_BITMASK(16)) |
-#define _hi16(a) ((a) >> 16) |
- |
-#define LL_MUL32(r, a, b) { \ |
- PRUint32 _a1, _a0, _b1, _b0, _y0, _y1, _y2, _y3; \ |
- _a1 = _hi16(a), _a0 = _lo16(a); \ |
- _b1 = _hi16(b), _b0 = _lo16(b); \ |
- _y0 = _a0 * _b0; \ |
- _y1 = _a0 * _b1; \ |
- _y2 = _a1 * _b0; \ |
- _y3 = _a1 * _b1; \ |
- _y1 += _hi16(_y0); /* can't carry */ \ |
- _y1 += _y2; /* might carry */ \ |
- if (_y1 < _y2) \ |
- _y3 += (PRUint32)(PR_BIT(16)); /* propagate */ \ |
- (r).lo = (_lo16(_y1) << 16) + _lo16(_y0); \ |
- (r).hi = _y3 + _hi16(_y1); \ |
-} |
- |
-#define LL_UDIVMOD(qp, rp, a, b) ll_udivmod(qp, rp, a, b) |
- |
-NSPR_API(void) ll_udivmod(PRUint64 *qp, PRUint64 *rp, PRUint64 a, PRUint64 b); |
- |
-#define LL_DIV(r, a, b) { \ |
- PRInt64 _a, _b; \ |
- PRUint32 _negative = (PRInt32)(a).hi < 0; \ |
- if (_negative) { \ |
- LL_NEG(_a, a); \ |
- } else { \ |
- _a = a; \ |
- } \ |
- if ((PRInt32)(b).hi < 0) { \ |
- _negative ^= 1; \ |
- LL_NEG(_b, b); \ |
- } else { \ |
- _b = b; \ |
- } \ |
- LL_UDIVMOD(&(r), 0, _a, _b); \ |
- if (_negative) \ |
- LL_NEG(r, r); \ |
-} |
- |
-#define LL_MOD(r, a, b) { \ |
- PRInt64 _a, _b; \ |
- PRUint32 _negative = (PRInt32)(a).hi < 0; \ |
- if (_negative) { \ |
- LL_NEG(_a, a); \ |
- } else { \ |
- _a = a; \ |
- } \ |
- if ((PRInt32)(b).hi < 0) { \ |
- LL_NEG(_b, b); \ |
- } else { \ |
- _b = b; \ |
- } \ |
- LL_UDIVMOD(0, &(r), _a, _b); \ |
- if (_negative) \ |
- LL_NEG(r, r); \ |
-} |
- |
-#define LL_SHL(r, a, b) { \ |
- if (b) { \ |
- PRInt64 _a; \ |
- _a = a; \ |
- if ((b) < 32) { \ |
- (r).lo = _a.lo << ((b) & 31); \ |
- (r).hi = (_a.hi << ((b) & 31)) | (_a.lo >> (32 - (b))); \ |
- } else { \ |
- (r).lo = 0; \ |
- (r).hi = _a.lo << ((b) & 31); \ |
- } \ |
- } else { \ |
- (r) = (a); \ |
- } \ |
-} |
- |
-/* a is an PRInt32, b is PRInt32, r is PRInt64 */ |
-#define LL_ISHL(r, a, b) { \ |
- if (b) { \ |
- PRInt64 _a; \ |
- _a.lo = (a); \ |
- _a.hi = 0; \ |
- if ((b) < 32) { \ |
- (r).lo = (a) << ((b) & 31); \ |
- (r).hi = ((a) >> (32 - (b))); \ |
- } else { \ |
- (r).lo = 0; \ |
- (r).hi = (a) << ((b) & 31); \ |
- } \ |
- } else { \ |
- (r).lo = (a); \ |
- (r).hi = 0; \ |
- } \ |
-} |
- |
-#define LL_SHR(r, a, b) { \ |
- if (b) { \ |
- PRInt64 _a; \ |
- _a = a; \ |
- if ((b) < 32) { \ |
- (r).lo = (_a.hi << (32 - (b))) | (_a.lo >> ((b) & 31)); \ |
- (r).hi = (PRInt32)_a.hi >> ((b) & 31); \ |
- } else { \ |
- (r).lo = (PRInt32)_a.hi >> ((b) & 31); \ |
- (r).hi = (PRInt32)_a.hi >> 31; \ |
- } \ |
- } else { \ |
- (r) = (a); \ |
- } \ |
-} |
- |
-#define LL_USHR(r, a, b) { \ |
- if (b) { \ |
- PRInt64 _a; \ |
- _a = a; \ |
- if ((b) < 32) { \ |
- (r).lo = (_a.hi << (32 - (b))) | (_a.lo >> ((b) & 31)); \ |
- (r).hi = _a.hi >> ((b) & 31); \ |
- } else { \ |
- (r).lo = _a.hi >> ((b) & 31); \ |
- (r).hi = 0; \ |
- } \ |
- } else { \ |
- (r) = (a); \ |
- } \ |
-} |
- |
-#define LL_L2I(i, l) ((i) = (l).lo) |
-#define LL_L2UI(ui, l) ((ui) = (l).lo) |
-#define LL_L2F(f, l) { double _d; LL_L2D(_d, l); (f) = (PRFloat64)_d; } |
- |
-#define LL_L2D(d, l) { \ |
- int _negative; \ |
- PRInt64 _absval; \ |
- \ |
- _negative = (l).hi >> 31; \ |
- if (_negative) { \ |
- LL_NEG(_absval, l); \ |
- } else { \ |
- _absval = l; \ |
- } \ |
- (d) = (double)_absval.hi * 4.294967296e9 + _absval.lo; \ |
- if (_negative) \ |
- (d) = -(d); \ |
-} |
- |
-#define LL_I2L(l, i) { PRInt32 _i = ((PRInt32)(i)) >> 31; (l).lo = (i); (l).hi = _i; } |
-#define LL_UI2L(l, ui) ((l).lo = (ui), (l).hi = 0) |
-#define LL_F2L(l, f) { double _d = (double)f; LL_D2L(l, _d); } |
- |
-#define LL_D2L(l, d) { \ |
- int _negative; \ |
- double _absval, _d_hi; \ |
- PRInt64 _lo_d; \ |
- \ |
- _negative = ((d) < 0); \ |
- _absval = _negative ? -(d) : (d); \ |
- \ |
- (l).hi = _absval / 4.294967296e9; \ |
- (l).lo = 0; \ |
- LL_L2D(_d_hi, l); \ |
- _absval -= _d_hi; \ |
- _lo_d.hi = 0; \ |
- if (_absval < 0) { \ |
- _lo_d.lo = -_absval; \ |
- LL_SUB(l, l, _lo_d); \ |
- } else { \ |
- _lo_d.lo = _absval; \ |
- LL_ADD(l, l, _lo_d); \ |
- } \ |
- \ |
- if (_negative) \ |
- LL_NEG(l, l); \ |
-} |
- |
-#endif /* !HAVE_LONG_LONG */ |
- |
-PR_END_EXTERN_C |
- |
-#endif /* prlong_h___ */ |