/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
-Package, Release 3a, by John R. Hauser.
+Package, Release 3d, by John R. Hauser.
-Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
-All rights reserved.
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
#ifndef primitives_h
#define primitives_h 1
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#include <stdbool.h>
#include <stdint.h>
#include "primitiveTypes.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#ifndef softfloat_shortShiftRightJam64
/*----------------------------------------------------------------------------
-| Shifts `a' right by the number of bits given in `count', which must be in
+| Shifts 'a' right by the number of bits given in 'dist', which must be in
| the range 1 to 63. If any nonzero bits are shifted off, they are "jammed"
| into the least-significant bit of the shifted value by setting the least-
| significant bit to 1. This shifted-and-jammed value is returned.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
INLINE
- uint64_t softfloat_shortShiftRightJam64( uint64_t a, uint_fast8_t count )
- { return a>>count | ((a & (((uint_fast64_t) 1<<count) - 1)) != 0); }
+uint64_t softfloat_shortShiftRightJam64( uint64_t a, uint_fast8_t dist )
+ { return a>>dist | ((a & (((uint_fast64_t) 1<<dist) - 1)) != 0); }
#else
-uint64_t softfloat_shortShiftRightJam64( uint64_t a, uint_fast8_t count );
+uint64_t softfloat_shortShiftRightJam64( uint64_t a, uint_fast8_t dist );
#endif
#endif
#ifndef softfloat_shiftRightJam32
/*----------------------------------------------------------------------------
-| Shifts `a' right by the number of bits given in `count', which must not
+| Shifts 'a' right by the number of bits given in 'dist', which must not
| be zero. If any nonzero bits are shifted off, they are "jammed" into the
| least-significant bit of the shifted value by setting the least-significant
| bit to 1. This shifted-and-jammed value is returned.
-| The value of `count' can be arbitrarily large. In particular, if `count'
-| is greater than 32, the result will be either 0 or 1, depending on whether
-| `a' is zero or nonzero.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than 32, the result will be either 0 or 1, depending on whether 'a'
+| is zero or nonzero.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
-INLINE uint32_t softfloat_shiftRightJam32( uint32_t a, uint_fast16_t count )
+INLINE uint32_t softfloat_shiftRightJam32( uint32_t a, uint_fast16_t dist )
{
return
- (count < 31) ? a>>count | ((uint32_t) (a<<(-count & 31)) != 0)
- : (a != 0);
+ (dist < 31) ? a>>dist | ((uint32_t) (a<<(-dist & 31)) != 0) : (a != 0);
}
#else
-uint32_t softfloat_shiftRightJam32( uint32_t a, uint_fast16_t count );
+uint32_t softfloat_shiftRightJam32( uint32_t a, uint_fast16_t dist );
#endif
#endif
#ifndef softfloat_shiftRightJam64
/*----------------------------------------------------------------------------
-| Shifts `a' right by the number of bits given in `count', which must not
+| Shifts 'a' right by the number of bits given in 'dist', which must not
| be zero. If any nonzero bits are shifted off, they are "jammed" into the
| least-significant bit of the shifted value by setting the least-significant
| bit to 1. This shifted-and-jammed value is returned.
-| The value of `count' can be arbitrarily large. In particular, if `count'
-| is greater than 64, the result will be either 0 or 1, depending on whether
-| `a' is zero or nonzero.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than 64, the result will be either 0 or 1, depending on whether 'a'
+| is zero or nonzero.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
-INLINE uint64_t softfloat_shiftRightJam64( uint64_t a, uint_fast32_t count )
+INLINE uint64_t softfloat_shiftRightJam64( uint64_t a, uint_fast32_t dist )
{
return
- (count < 63) ? a>>count | ((uint64_t) (a<<(-count & 63)) != 0)
- : (a != 0);
+ (dist < 63) ? a>>dist | ((uint64_t) (a<<(-dist & 63)) != 0) : (a != 0);
}
#else
-uint64_t softfloat_shiftRightJam64( uint64_t a, uint_fast32_t count );
+uint64_t softfloat_shiftRightJam64( uint64_t a, uint_fast32_t dist );
#endif
#endif
*----------------------------------------------------------------------------*/
extern const uint_least8_t softfloat_countLeadingZeros8[256];
+#ifndef softfloat_countLeadingZeros16
+/*----------------------------------------------------------------------------
+| Returns the number of leading 0 bits before the most-significant 1 bit of
+| 'a'. If 'a' is zero, 16 is returned.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE uint_fast8_t softfloat_countLeadingZeros16( uint16_t a )
+{
+ uint_fast8_t count = 8;
+ if ( 0x100 <= a ) {
+ count = 0;
+ a >>= 8;
+ }
+ count += softfloat_countLeadingZeros8[a];
+ return count;
+}
+#else
+uint_fast8_t softfloat_countLeadingZeros16( uint16_t a );
+#endif
+#endif
+
#ifndef softfloat_countLeadingZeros32
/*----------------------------------------------------------------------------
| Returns the number of leading 0 bits before the most-significant 1 bit of
-| `a'. If `a' is zero, 32 is returned.
+| 'a'. If 'a' is zero, 32 is returned.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
INLINE uint_fast8_t softfloat_countLeadingZeros32( uint32_t a )
#ifndef softfloat_countLeadingZeros64
/*----------------------------------------------------------------------------
| Returns the number of leading 0 bits before the most-significant 1 bit of
-| `a'. If `a' is zero, 64 is returned.
+| 'a'. If 'a' is zero, 64 is returned.
*----------------------------------------------------------------------------*/
uint_fast8_t softfloat_countLeadingZeros64( uint64_t a );
#endif
+extern const uint16_t softfloat_approxRecip_1k0s[16];
+extern const uint16_t softfloat_approxRecip_1k1s[16];
+
#ifndef softfloat_approxRecip32_1
/*----------------------------------------------------------------------------
-| Returns an approximation to the reciprocal of the number represented by `a',
-| where `a' is interpreted as an unsigned fixed-point number with one integer
-| bit and 31 fraction bits. The `a' input must be "normalized", meaning that
+| Returns an approximation to the reciprocal of the number represented by 'a',
+| where 'a' is interpreted as an unsigned fixed-point number with one integer
+| bit and 31 fraction bits. The 'a' input must be "normalized", meaning that
| its most-significant bit (bit 31) must be 1. Thus, if A is the value of
-| the fixed-point interpretation of `a', then 1 <= A < 2. The returned value
+| the fixed-point interpretation of 'a', then 1 <= A < 2. The returned value
| is interpreted as a pure unsigned fraction, having no integer bits and 32
| fraction bits. The approximation returned is never greater than the true
| reciprocal 1/A, and it differs from the true reciprocal by at most 2.006 ulp
#endif
#endif
+extern const uint16_t softfloat_approxRecipSqrt_1k0s[16];
+extern const uint16_t softfloat_approxRecipSqrt_1k1s[16];
+
#ifndef softfloat_approxRecipSqrt32_1
/*----------------------------------------------------------------------------
| Returns an approximation to the reciprocal of the square root of the number
-| represented by `a', where `a' is interpreted as an unsigned fixed-point
+| represented by 'a', where 'a' is interpreted as an unsigned fixed-point
| number either with one integer bit and 31 fraction bits or with two integer
-| bits and 30 fraction bits. The format of `a' is determined by `oddExpA',
-| which must be either 0 or 1. If `oddExpA' is 1, `a' is interpreted as
-| having one integer bit, and if `oddExpA' is 0, `a' is interpreted as having
-| two integer bits. The `a' input must be "normalized", meaning that its
+| bits and 30 fraction bits. The format of 'a' is determined by 'oddExpA',
+| which must be either 0 or 1. If 'oddExpA' is 1, 'a' is interpreted as
+| having one integer bit, and if 'oddExpA' is 0, 'a' is interpreted as having
+| two integer bits. The 'a' input must be "normalized", meaning that its
| most-significant bit (bit 31) must be 1. Thus, if A is the value of the
-| fixed-point interpretation of `a', it follows that 1 <= A < 2 when `oddExpA'
-| is 1, and 2 <= A < 4 when `oddExpA' is 0.
+| fixed-point interpretation of 'a', it follows that 1 <= A < 2 when 'oddExpA'
+| is 1, and 2 <= A < 4 when 'oddExpA' is 0.
| The returned value is interpreted as a pure unsigned fraction, having
| no integer bits and 32 fraction bits. The approximation returned is never
| greater than the true reciprocal 1/sqrt(A), and it differs from the true
#ifdef SOFTFLOAT_FAST_INT64
/*----------------------------------------------------------------------------
-| The following functions are needed only when `SOFTFLOAT_FAST_INT64' is
+| The following functions are needed only when 'SOFTFLOAT_FAST_INT64' is
| defined.
*----------------------------------------------------------------------------*/
#ifndef softfloat_eq128
/*----------------------------------------------------------------------------
-| Returns true if the 128-bit unsigned integer formed by concatenating `a64'
-| and `a0' is equal to the 128-bit unsigned integer formed by concatenating
-| `b64' and `b0'.
+| Returns true if the 128-bit unsigned integer formed by concatenating 'a64'
+| and 'a0' is equal to the 128-bit unsigned integer formed by concatenating
+| 'b64' and 'b0'.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (1 <= INLINE_LEVEL)
INLINE
- bool softfloat_eq128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+bool softfloat_eq128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
{ return (a64 == b64) && (a0 == b0); }
#else
bool softfloat_eq128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 );
#ifndef softfloat_le128
/*----------------------------------------------------------------------------
-| Returns true if the 128-bit unsigned integer formed by concatenating `a64'
-| and `a0' is less than or equal to the 128-bit unsigned integer formed by
-| concatenating `b64' and `b0'.
+| Returns true if the 128-bit unsigned integer formed by concatenating 'a64'
+| and 'a0' is less than or equal to the 128-bit unsigned integer formed by
+| concatenating 'b64' and 'b0'.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
INLINE
- bool softfloat_le128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+bool softfloat_le128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
{ return (a64 < b64) || ((a64 == b64) && (a0 <= b0)); }
#else
bool softfloat_le128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 );
#ifndef softfloat_lt128
/*----------------------------------------------------------------------------
-| Returns true if the 128-bit unsigned integer formed by concatenating `a64'
-| and `a0' is less than the 128-bit unsigned integer formed by concatenating
-| `b64' and `b0'.
+| Returns true if the 128-bit unsigned integer formed by concatenating 'a64'
+| and 'a0' is less than the 128-bit unsigned integer formed by concatenating
+| 'b64' and 'b0'.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
INLINE
- bool softfloat_lt128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+bool softfloat_lt128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
{ return (a64 < b64) || ((a64 == b64) && (a0 < b0)); }
#else
bool softfloat_lt128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 );
#ifndef softfloat_shortShiftLeft128
/*----------------------------------------------------------------------------
-| Shifts the 128 bits formed by concatenating `a64' and `a0' left by the
-| number of bits given in `count', which must be in the range 1 to 63.
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' left by the
+| number of bits given in 'dist', which must be in the range 1 to 63.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
INLINE
- struct uint128
- softfloat_shortShiftLeft128( uint64_t a64, uint64_t a0, uint_fast8_t count )
+struct uint128
+ softfloat_shortShiftLeft128( uint64_t a64, uint64_t a0, uint_fast8_t dist )
{
struct uint128 z;
- z.v64 = a64<<count | a0>>(-count & 63);
- z.v0 = a0<<count;
+ z.v64 = a64<<dist | a0>>(-dist & 63);
+ z.v0 = a0<<dist;
return z;
}
#else
struct uint128
- softfloat_shortShiftLeft128( uint64_t a64, uint64_t a0, uint_fast8_t count );
+ softfloat_shortShiftLeft128( uint64_t a64, uint64_t a0, uint_fast8_t dist );
#endif
#endif
#ifndef softfloat_shortShiftRight128
/*----------------------------------------------------------------------------
-| Shifts the 128 bits formed by concatenating `a64' and `a0' right by the
-| number of bits given in `count', which must be in the range 1 to 63.
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' right by the
+| number of bits given in 'dist', which must be in the range 1 to 63.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
INLINE
- struct uint128
- softfloat_shortShiftRight128( uint64_t a64, uint64_t a0, uint_fast8_t count )
+struct uint128
+ softfloat_shortShiftRight128( uint64_t a64, uint64_t a0, uint_fast8_t dist )
{
struct uint128 z;
- z.v64 = a64>>count;
- z.v0 = a64<<(-count & 63) | a0>>count;
+ z.v64 = a64>>dist;
+ z.v0 = a64<<(-dist & 63) | a0>>dist;
return z;
}
#else
struct uint128
- softfloat_shortShiftRight128( uint64_t a64, uint64_t a0, uint_fast8_t count );
+ softfloat_shortShiftRight128( uint64_t a64, uint64_t a0, uint_fast8_t dist );
#endif
#endif
#ifndef softfloat_shortShiftRightJam64Extra
/*----------------------------------------------------------------------------
-| This function is the same as `softfloat_shiftRightJam64Extra' (below),
-| except that `count' must be in the range 1 to 63.
+| This function is the same as 'softfloat_shiftRightJam64Extra' (below),
+| except that 'dist' must be in the range 1 to 63.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
INLINE
- struct uint64_extra
- softfloat_shortShiftRightJam64Extra(
- uint64_t a, uint64_t extra, uint_fast8_t count )
+struct uint64_extra
+ softfloat_shortShiftRightJam64Extra(
+ uint64_t a, uint64_t extra, uint_fast8_t dist )
{
struct uint64_extra z;
- z.v = a>>count;
- z.extra = a<<(-count & 63) | (extra != 0);
+ z.v = a>>dist;
+ z.extra = a<<(-dist & 63) | (extra != 0);
return z;
}
#else
struct uint64_extra
softfloat_shortShiftRightJam64Extra(
- uint64_t a, uint64_t extra, uint_fast8_t count );
+ uint64_t a, uint64_t extra, uint_fast8_t dist );
#endif
#endif
#ifndef softfloat_shortShiftRightJam128
/*----------------------------------------------------------------------------
-| Shifts the 128 bits formed by concatenating `a64' and `a0' right by the
-| number of bits given in `count', which must be in the range 1 to 63. If any
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' right by the
+| number of bits given in 'dist', which must be in the range 1 to 63. If any
| nonzero bits are shifted off, they are "jammed" into the least-significant
| bit of the shifted value by setting the least-significant bit to 1. This
| shifted-and-jammed value is returned.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
INLINE
- struct uint128
- softfloat_shortShiftRightJam128(
- uint64_t a64, uint64_t a0, uint_fast8_t count )
+struct uint128
+ softfloat_shortShiftRightJam128(
+ uint64_t a64, uint64_t a0, uint_fast8_t dist )
{
- uint_fast8_t negCount = -count;
+ uint_fast8_t negDist = -dist;
struct uint128 z;
- z.v64 = a64>>count;
+ z.v64 = a64>>dist;
z.v0 =
- a64<<(negCount & 63) | a0>>count
- | ((uint64_t) (a0<<(negCount & 63)) != 0);
+ a64<<(negDist & 63) | a0>>dist
+ | ((uint64_t) (a0<<(negDist & 63)) != 0);
return z;
}
#else
struct uint128
softfloat_shortShiftRightJam128(
- uint64_t a64, uint64_t a0, uint_fast8_t count );
+ uint64_t a64, uint64_t a0, uint_fast8_t dist );
#endif
#endif
#ifndef softfloat_shortShiftRightJam128Extra
/*----------------------------------------------------------------------------
-| This function is the same as `softfloat_shiftRightJam128Extra' (below),
-| except that `count' must be in the range 1 to 63.
+| This function is the same as 'softfloat_shiftRightJam128Extra' (below),
+| except that 'dist' must be in the range 1 to 63.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
INLINE
- struct uint128_extra
- softfloat_shortShiftRightJam128Extra(
- uint64_t a64, uint64_t a0, uint64_t extra, uint_fast8_t count )
+struct uint128_extra
+ softfloat_shortShiftRightJam128Extra(
+ uint64_t a64, uint64_t a0, uint64_t extra, uint_fast8_t dist )
{
- uint_fast8_t negCount = -count;
+ uint_fast8_t negDist = -dist;
struct uint128_extra z;
- z.v.v64 = a64>>count;
- z.v.v0 = a64<<(negCount & 63) | a0>>count;
- z.extra = a0<<(negCount & 63) | (extra != 0);
+ z.v.v64 = a64>>dist;
+ z.v.v0 = a64<<(negDist & 63) | a0>>dist;
+ z.extra = a0<<(negDist & 63) | (extra != 0);
return z;
}
#else
struct uint128_extra
softfloat_shortShiftRightJam128Extra(
- uint64_t a64, uint64_t a0, uint64_t extra, uint_fast8_t count );
+ uint64_t a64, uint64_t a0, uint64_t extra, uint_fast8_t dist );
#endif
#endif
#ifndef softfloat_shiftRightJam64Extra
/*----------------------------------------------------------------------------
-| Shifts the 128 bits formed by concatenating `a' and `extra' right by 64
-| _plus_ the number of bits given in `count', which must not be zero. This
-| shifted value is at most 64 nonzero bits and is returned in the `v' field
-| of the `struct uint64_extra' result. The 64-bit `extra' field of the result
+| Shifts the 128 bits formed by concatenating 'a' and 'extra' right by 64
+| _plus_ the number of bits given in 'dist', which must not be zero. This
+| shifted value is at most 64 nonzero bits and is returned in the 'v' field
+| of the 'struct uint64_extra' result. The 64-bit 'extra' field of the result
| contains a value formed as follows from the bits that were shifted off: The
-| _last_ bit shifted off is the most-significant bit of the `extra' field, and
-| the other 63 bits of the `extra' field are all zero if and only if _all_but_
+| _last_ bit shifted off is the most-significant bit of the 'extra' field, and
+| the other 63 bits of the 'extra' field are all zero if and only if _all_but_
| _the_last_ bits shifted off were all zero.
-| (This function makes more sense if `a' and `extra' are considered to form
-| an unsigned fixed-point number with binary point between `a' and `extra'.
+| (This function makes more sense if 'a' and 'extra' are considered to form
+| an unsigned fixed-point number with binary point between 'a' and 'extra'.
| This fixed-point value is shifted right by the number of bits given in
-| `count', and the integer part of this shifted value is returned in the `v'
+| 'dist', and the integer part of this shifted value is returned in the 'v'
| field of the result. The fractional part of the shifted value is modified
-| as described above and returned in the `extra' field of the result.)
+| as described above and returned in the 'extra' field of the result.)
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (4 <= INLINE_LEVEL)
INLINE
- struct uint64_extra
- softfloat_shiftRightJam64Extra(
- uint64_t a, uint64_t extra, uint_fast32_t count )
+struct uint64_extra
+ softfloat_shiftRightJam64Extra(
+ uint64_t a, uint64_t extra, uint_fast32_t dist )
{
struct uint64_extra z;
- if ( count < 64 ) {
- z.v = a>>count;
- z.extra = a<<(-count & 63);
+ if ( dist < 64 ) {
+ z.v = a>>dist;
+ z.extra = a<<(-dist & 63);
} else {
z.v = 0;
- z.extra = (count == 64) ? a : (a != 0);
+ z.extra = (dist == 64) ? a : (a != 0);
}
z.extra |= (extra != 0);
return z;
#else
struct uint64_extra
softfloat_shiftRightJam64Extra(
- uint64_t a, uint64_t extra, uint_fast32_t count );
+ uint64_t a, uint64_t extra, uint_fast32_t dist );
#endif
#endif
#ifndef softfloat_shiftRightJam128
/*----------------------------------------------------------------------------
-| Shifts the 128 bits formed by concatenating `a64' and `a0' right by the
-| number of bits given in `count', which must not be zero. If any nonzero
-| bits are shifted off, they are "jammed" into the least-significant bit of
-| the shifted value by setting the least-significant bit to 1. This shifted-
-| and-jammed value is returned.
-| The value of `count' can be arbitrarily large. In particular, if `count'
-| is greater than 128, the result will be either 0 or 1, depending on whether
-| the original 128 bits are all zeros.
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' right by the
+| number of bits given in 'dist', which must not be zero. If any nonzero bits
+| are shifted off, they are "jammed" into the least-significant bit of the
+| shifted value by setting the least-significant bit to 1. This shifted-and-
+| jammed value is returned.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than 128, the result will be either 0 or 1, depending on whether the
+| original 128 bits are all zeros.
*----------------------------------------------------------------------------*/
struct uint128
- softfloat_shiftRightJam128( uint64_t a64, uint64_t a0, uint_fast32_t count );
+ softfloat_shiftRightJam128( uint64_t a64, uint64_t a0, uint_fast32_t dist );
#endif
#ifndef softfloat_shiftRightJam128Extra
/*----------------------------------------------------------------------------
-| Shifts the 192 bits formed by concatenating `a64', `a0', and `extra' right
-| by 64 _plus_ the number of bits given in `count', which must not be zero.
-| This shifted value is at most 128 nonzero bits and is returned in the `v'
-| field of the `struct uint128_extra' result. The 64-bit `extra' field of the
+| Shifts the 192 bits formed by concatenating 'a64', 'a0', and 'extra' right
+| by 64 _plus_ the number of bits given in 'dist', which must not be zero.
+| This shifted value is at most 128 nonzero bits and is returned in the 'v'
+| field of the 'struct uint128_extra' result. The 64-bit 'extra' field of the
| result contains a value formed as follows from the bits that were shifted
-| off: The _last_ bit shifted off is the most-significant bit of the `extra'
-| field, and the other 63 bits of the `extra' field are all zero if and only
+| off: The _last_ bit shifted off is the most-significant bit of the 'extra'
+| field, and the other 63 bits of the 'extra' field are all zero if and only
| if _all_but_the_last_ bits shifted off were all zero.
-| (This function makes more sense if `a64', `a0', and `extra' are considered
-| to form an unsigned fixed-point number with binary point between `a0' and
-| `extra'. This fixed-point value is shifted right by the number of bits
-| given in `count', and the integer part of this shifted value is returned
-| in the `v' field of the result. The fractional part of the shifted value
-| is modified as described above and returned in the `extra' field of the
+| (This function makes more sense if 'a64', 'a0', and 'extra' are considered
+| to form an unsigned fixed-point number with binary point between 'a0' and
+| 'extra'. This fixed-point value is shifted right by the number of bits
+| given in 'dist', and the integer part of this shifted value is returned
+| in the 'v' field of the result. The fractional part of the shifted value
+| is modified as described above and returned in the 'extra' field of the
| result.)
*----------------------------------------------------------------------------*/
struct uint128_extra
softfloat_shiftRightJam128Extra(
- uint64_t a64, uint64_t a0, uint64_t extra, uint_fast32_t count );
+ uint64_t a64, uint64_t a0, uint64_t extra, uint_fast32_t dist );
#endif
#ifndef softfloat_shiftRightJam256M
/*----------------------------------------------------------------------------
-| Shifts the 256-bit unsigned integer pointed to by `aPtr' right by the number
-| of bits given in `count', which must not be zero. If any nonzero bits are
+| Shifts the 256-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', which must not be zero. If any nonzero bits are
| shifted off, they are "jammed" into the least-significant bit of the shifted
| value by setting the least-significant bit to 1. This shifted-and-jammed
-| value is stored at the location pointed to by `zPtr'. Each of `aPtr' and
-| `zPtr' points to an array of four 64-bit elements that concatenate in the
+| value is stored at the location pointed to by 'zPtr'. Each of 'aPtr' and
+| 'zPtr' points to an array of four 64-bit elements that concatenate in the
| platform's normal endian order to form a 256-bit integer.
-| The value of `count' can be arbitrarily large. In particular, if `count'
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist'
| is greater than 256, the stored result will be either 0 or 1, depending on
| whether the original 256 bits are all zeros.
*----------------------------------------------------------------------------*/
void
softfloat_shiftRightJam256M(
- const uint64_t *aPtr, uint_fast32_t count, uint64_t *zPtr );
+ const uint64_t *aPtr, uint_fast32_t dist, uint64_t *zPtr );
#endif
#ifndef softfloat_add128
/*----------------------------------------------------------------------------
-| Returns the sum of the 128-bit integer formed by concatenating `a64' and
-| `a0' and the 128-bit integer formed by concatenating `b64' and `b0'. The
+| Returns the sum of the 128-bit integer formed by concatenating 'a64' and
+| 'a0' and the 128-bit integer formed by concatenating 'b64' and 'b0'. The
| addition is modulo 2^128, so any carry out is lost.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
INLINE
- struct uint128
- softfloat_add128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+struct uint128
+ softfloat_add128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
{
struct uint128 z;
z.v0 = a0 + b0;
#ifndef softfloat_add256M
/*----------------------------------------------------------------------------
-| Adds the two 256-bit integers pointed to by `aPtr' and `bPtr'. The addition
+| Adds the two 256-bit integers pointed to by 'aPtr' and 'bPtr'. The addition
| is modulo 2^256, so any carry out is lost. The sum is stored at the
-| location pointed to by `zPtr'. Each of `aPtr', `bPtr', and `zPtr' points to
+| location pointed to by 'zPtr'. Each of 'aPtr', 'bPtr', and 'zPtr' points to
| an array of four 64-bit elements that concatenate in the platform's normal
| endian order to form a 256-bit integer.
*----------------------------------------------------------------------------*/
#ifndef softfloat_sub128
/*----------------------------------------------------------------------------
-| Returns the difference of the 128-bit integer formed by concatenating `a64'
-| and `a0' and the 128-bit integer formed by concatenating `b64' and `b0'.
+| Returns the difference of the 128-bit integer formed by concatenating 'a64'
+| and 'a0' and the 128-bit integer formed by concatenating 'b64' and 'b0'.
| The subtraction is modulo 2^128, so any borrow out (carry out) is lost.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
INLINE
- struct uint128
- softfloat_sub128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+struct uint128
+ softfloat_sub128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
{
struct uint128 z;
z.v0 = a0 - b0;
#ifndef softfloat_sub256M
/*----------------------------------------------------------------------------
-| Subtracts the 256-bit integer pointed to by `bPtr' from the 256-bit integer
-| pointed to by `aPtr'. The addition is modulo 2^256, so any borrow out
+| Subtracts the 256-bit integer pointed to by 'bPtr' from the 256-bit integer
+| pointed to by 'aPtr'. The addition is modulo 2^256, so any borrow out
| (carry out) is lost. The difference is stored at the location pointed to
-| by `zPtr'. Each of `aPtr', `bPtr', and `zPtr' points to an array of four
+| by 'zPtr'. Each of 'aPtr', 'bPtr', and 'zPtr' points to an array of four
| 64-bit elements that concatenate in the platform's normal endian order to
| form a 256-bit integer.
*----------------------------------------------------------------------------*/
#ifndef softfloat_mul64ByShifted32To128
/*----------------------------------------------------------------------------
-| Returns the 128-bit product of `a', `b', and 2^32.
+| Returns the 128-bit product of 'a', 'b', and 2^32.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
INLINE struct uint128 softfloat_mul64ByShifted32To128( uint64_t a, uint32_t b )
#ifndef softfloat_mul64To128
/*----------------------------------------------------------------------------
-| Returns the 128-bit product of `a' and `b'.
+| Returns the 128-bit product of 'a' and 'b'.
*----------------------------------------------------------------------------*/
struct uint128 softfloat_mul64To128( uint64_t a, uint64_t b );
#endif
#ifndef softfloat_mul128By32
/*----------------------------------------------------------------------------
-| Returns the product of the 128-bit integer formed by concatenating `a64' and
-| `a0', multiplied by `b'. The multiplication is modulo 2^128; any overflow
+| Returns the product of the 128-bit integer formed by concatenating 'a64' and
+| 'a0', multiplied by 'b'. The multiplication is modulo 2^128; any overflow
| bits are discarded.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (4 <= INLINE_LEVEL)
INLINE
- struct uint128 softfloat_mul128By32( uint64_t a64, uint64_t a0, uint32_t b )
+struct uint128 softfloat_mul128By32( uint64_t a64, uint64_t a0, uint32_t b )
{
struct uint128 z;
uint_fast64_t mid;
#ifndef softfloat_mul128To256M
/*----------------------------------------------------------------------------
-| Multiplies the 128-bit unsigned integer formed by concatenating `a64' and
-| `a0' by the 128-bit unsigned integer formed by concatenating `b64' and
-| `b0'. The 256-bit product is stored at the location pointed to by `zPtr'.
-| Argument `zPtr' points to an array of four 64-bit elements that concatenate
+| Multiplies the 128-bit unsigned integer formed by concatenating 'a64' and
+| 'a0' by the 128-bit unsigned integer formed by concatenating 'b64' and
+| 'b0'. The 256-bit product is stored at the location pointed to by 'zPtr'.
+| Argument 'zPtr' points to an array of four 64-bit elements that concatenate
| in the platform's normal endian order to form a 256-bit integer.
*----------------------------------------------------------------------------*/
void
#else
/*----------------------------------------------------------------------------
-| The following functions are needed only when `SOFTFLOAT_FAST_INT64' is not
+| The following functions are needed only when 'SOFTFLOAT_FAST_INT64' is not
| defined.
*----------------------------------------------------------------------------*/
#ifndef softfloat_compare96M
/*----------------------------------------------------------------------------
-| Compares the two 96-bit unsigned integers pointed to by `aPtr' and `bPtr'.
+| Compares the two 96-bit unsigned integers pointed to by 'aPtr' and 'bPtr'.
| Returns -1 if the first integer (A) is less than the second (B); returns 0
| if the two integers are equal; and returns +1 if the first integer (A)
| is greater than the second (B). (The result is thus the signum of A - B.)
-| Each of `aPtr' and `bPtr' points to an array of three 32-bit elements that
+| Each of 'aPtr' and 'bPtr' points to an array of three 32-bit elements that
| concatenate in the platform's normal endian order to form a 96-bit integer.
*----------------------------------------------------------------------------*/
int_fast8_t softfloat_compare96M( const uint32_t *aPtr, const uint32_t *bPtr );
#ifndef softfloat_compare128M
/*----------------------------------------------------------------------------
-| Compares the two 128-bit unsigned integers pointed to by `aPtr' and `bPtr'.
+| Compares the two 128-bit unsigned integers pointed to by 'aPtr' and 'bPtr'.
| Returns -1 if the first integer (A) is less than the second (B); returns 0
| if the two integers are equal; and returns +1 if the first integer (A)
| is greater than the second (B). (The result is thus the signum of A - B.)
-| Each of `aPtr' and `bPtr' points to an array of four 32-bit elements that
+| Each of 'aPtr' and 'bPtr' points to an array of four 32-bit elements that
| concatenate in the platform's normal endian order to form a 128-bit integer.
*----------------------------------------------------------------------------*/
int_fast8_t
#ifndef softfloat_shortShiftLeft64To96M
/*----------------------------------------------------------------------------
-| Extends `a' to 96 bits and shifts the value left by the number of bits given
-| in `count', which must be in the range 1 to 31. The result is stored at the
-| location pointed to by `zPtr'. Argument `zPtr' points to an array of three
+| Extends 'a' to 96 bits and shifts the value left by the number of bits given
+| in 'dist', which must be in the range 1 to 31. The result is stored at the
+| location pointed to by 'zPtr'. Argument 'zPtr' points to an array of three
| 32-bit elements that concatenate in the platform's normal endian order to
| form a 96-bit integer.
*----------------------------------------------------------------------------*/
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
INLINE
- void
- softfloat_shortShiftLeft64To96M(
- uint64_t a, uint_fast8_t count, uint32_t *zPtr )
+void
+ softfloat_shortShiftLeft64To96M(
+ uint64_t a, uint_fast8_t dist, uint32_t *zPtr )
{
- zPtr[indexWord( 3, 0 )] = (uint32_t) a<<count;
- a >>= 32 - count;
+ zPtr[indexWord( 3, 0 )] = (uint32_t) a<<dist;
+ a >>= 32 - dist;
zPtr[indexWord( 3, 2 )] = a>>32;
zPtr[indexWord( 3, 1 )] = a;
}
#else
void
softfloat_shortShiftLeft64To96M(
- uint64_t a, uint_fast8_t count, uint32_t *zPtr );
+ uint64_t a, uint_fast8_t dist, uint32_t *zPtr );
#endif
#endif
#ifndef softfloat_shortShiftLeftM
/*----------------------------------------------------------------------------
-| Shifts the N-bit unsigned integer pointed to by `aPtr' left by the number
-| of bits given in `count', where N = `size_words' * 32. The value of `count'
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' left by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
| must be in the range 1 to 31. Any nonzero bits shifted off are lost. The
-| shifted N-bit result is stored at the location pointed to by `zPtr'. Each
-| of `aPtr' and `zPtr' points to a `size_words'-long array of 32-bit elements
+| shifted N-bit result is stored at the location pointed to by 'zPtr'. Each
+| of 'aPtr' and 'zPtr' points to a 'size_words'-long array of 32-bit elements
| that concatenate in the platform's normal endian order to form an N-bit
| integer.
*----------------------------------------------------------------------------*/
softfloat_shortShiftLeftM(
uint_fast8_t size_words,
const uint32_t *aPtr,
- uint_fast8_t count,
+ uint_fast8_t dist,
uint32_t *zPtr
);
#endif
#ifndef softfloat_shortShiftLeft96M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shortShiftLeftM' with
-| `size_words' = 3 (N = 96).
+| This function or macro is the same as 'softfloat_shortShiftLeftM' with
+| 'size_words' = 3 (N = 96).
*----------------------------------------------------------------------------*/
-#define softfloat_shortShiftLeft96M( aPtr, count, zPtr ) softfloat_shortShiftLeftM( 3, aPtr, count, zPtr )
+#define softfloat_shortShiftLeft96M( aPtr, dist, zPtr ) softfloat_shortShiftLeftM( 3, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shortShiftLeft128M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shortShiftLeftM' with
-| `size_words' = 4 (N = 128).
+| This function or macro is the same as 'softfloat_shortShiftLeftM' with
+| 'size_words' = 4 (N = 128).
*----------------------------------------------------------------------------*/
-#define softfloat_shortShiftLeft128M( aPtr, count, zPtr ) softfloat_shortShiftLeftM( 4, aPtr, count, zPtr )
+#define softfloat_shortShiftLeft128M( aPtr, dist, zPtr ) softfloat_shortShiftLeftM( 4, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shortShiftLeft160M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shortShiftLeftM' with
-| `size_words' = 5 (N = 160).
+| This function or macro is the same as 'softfloat_shortShiftLeftM' with
+| 'size_words' = 5 (N = 160).
*----------------------------------------------------------------------------*/
-#define softfloat_shortShiftLeft160M( aPtr, count, zPtr ) softfloat_shortShiftLeftM( 5, aPtr, count, zPtr )
+#define softfloat_shortShiftLeft160M( aPtr, dist, zPtr ) softfloat_shortShiftLeftM( 5, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shiftLeftM
/*----------------------------------------------------------------------------
-| Shifts the N-bit unsigned integer pointed to by `aPtr' left by the number
-| of bits given in `count', where N = `size_words' * 32. The value of `count'
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' left by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
| must not be zero. Any nonzero bits shifted off are lost. The shifted
-| N-bit result is stored at the location pointed to by `zPtr'. Each of `aPtr'
-| and `zPtr' points to a `size_words'-long array of 32-bit elements that
+| N-bit result is stored at the location pointed to by 'zPtr'. Each of 'aPtr'
+| and 'zPtr' points to a 'size_words'-long array of 32-bit elements that
| concatenate in the platform's normal endian order to form an N-bit integer.
-| The value of `count' can be arbitrarily large. In particular, if `count'
-| is greater than N, the stored result will be 0.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than N, the stored result will be 0.
*----------------------------------------------------------------------------*/
void
softfloat_shiftLeftM(
uint_fast8_t size_words,
const uint32_t *aPtr,
- uint32_t count,
+ uint32_t dist,
uint32_t *zPtr
);
#endif
#ifndef softfloat_shiftLeft96M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shiftLeftM' with
-| `size_words' = 3 (N = 96).
+| This function or macro is the same as 'softfloat_shiftLeftM' with
+| 'size_words' = 3 (N = 96).
*----------------------------------------------------------------------------*/
-#define softfloat_shiftLeft96M( aPtr, count, zPtr ) softfloat_shiftLeftM( 3, aPtr, count, zPtr )
+#define softfloat_shiftLeft96M( aPtr, dist, zPtr ) softfloat_shiftLeftM( 3, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shiftLeft128M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shiftLeftM' with
-| `size_words' = 4 (N = 128).
+| This function or macro is the same as 'softfloat_shiftLeftM' with
+| 'size_words' = 4 (N = 128).
*----------------------------------------------------------------------------*/
-#define softfloat_shiftLeft128M( aPtr, count, zPtr ) softfloat_shiftLeftM( 4, aPtr, count, zPtr )
+#define softfloat_shiftLeft128M( aPtr, dist, zPtr ) softfloat_shiftLeftM( 4, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shiftLeft160M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shiftLeftM' with
-| `size_words' = 5 (N = 160).
+| This function or macro is the same as 'softfloat_shiftLeftM' with
+| 'size_words' = 5 (N = 160).
*----------------------------------------------------------------------------*/
-#define softfloat_shiftLeft160M( aPtr, count, zPtr ) softfloat_shiftLeftM( 5, aPtr, count, zPtr )
+#define softfloat_shiftLeft160M( aPtr, dist, zPtr ) softfloat_shiftLeftM( 5, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shortShiftRightM
/*----------------------------------------------------------------------------
-| Shifts the N-bit unsigned integer pointed to by `aPtr' right by the number
-| of bits given in `count', where N = `size_words' * 32. The value of `count'
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
| must be in the range 1 to 31. Any nonzero bits shifted off are lost. The
-| shifted N-bit result is stored at the location pointed to by `zPtr'. Each
-| of `aPtr' and `zPtr' points to a `size_words'-long array of 32-bit elements
+| shifted N-bit result is stored at the location pointed to by 'zPtr'. Each
+| of 'aPtr' and 'zPtr' points to a 'size_words'-long array of 32-bit elements
| that concatenate in the platform's normal endian order to form an N-bit
| integer.
*----------------------------------------------------------------------------*/
softfloat_shortShiftRightM(
uint_fast8_t size_words,
const uint32_t *aPtr,
- uint_fast8_t count,
+ uint_fast8_t dist,
uint32_t *zPtr
);
#endif
#ifndef softfloat_shortShiftRight128M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shortShiftRightM' with
-| `size_words' = 4 (N = 128).
+| This function or macro is the same as 'softfloat_shortShiftRightM' with
+| 'size_words' = 4 (N = 128).
*----------------------------------------------------------------------------*/
-#define softfloat_shortShiftRight128M( aPtr, count, zPtr ) softfloat_shortShiftRightM( 4, aPtr, count, zPtr )
+#define softfloat_shortShiftRight128M( aPtr, dist, zPtr ) softfloat_shortShiftRightM( 4, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shortShiftRight160M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shortShiftRightM' with
-| `size_words' = 5 (N = 160).
+| This function or macro is the same as 'softfloat_shortShiftRightM' with
+| 'size_words' = 5 (N = 160).
*----------------------------------------------------------------------------*/
-#define softfloat_shortShiftRight160M( aPtr, count, zPtr ) softfloat_shortShiftRightM( 5, aPtr, count, zPtr )
+#define softfloat_shortShiftRight160M( aPtr, dist, zPtr ) softfloat_shortShiftRightM( 5, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shortShiftRightJamM
/*----------------------------------------------------------------------------
-| Shifts the N-bit unsigned integer pointed to by `aPtr' right by the number
-| of bits given in `count', where N = `size_words' * 32. The value of `count'
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
| must be in the range 1 to 31. If any nonzero bits are shifted off, they are
| "jammed" into the least-significant bit of the shifted value by setting the
| least-significant bit to 1. This shifted-and-jammed N-bit result is stored
-| at the location pointed to by `zPtr'. Each of `aPtr' and `zPtr' points
-| to a `size_words'-long array of 32-bit elements that concatenate in the
+| at the location pointed to by 'zPtr'. Each of 'aPtr' and 'zPtr' points
+| to a 'size_words'-long array of 32-bit elements that concatenate in the
| platform's normal endian order to form an N-bit integer.
*----------------------------------------------------------------------------*/
void
#ifndef softfloat_shortShiftRightJam160M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shortShiftRightJamM' with
-| `size_words' = 5 (N = 160).
+| This function or macro is the same as 'softfloat_shortShiftRightJamM' with
+| 'size_words' = 5 (N = 160).
*----------------------------------------------------------------------------*/
-#define softfloat_shortShiftRightJam160M( aPtr, count, zPtr ) softfloat_shortShiftRightJamM( 5, aPtr, count, zPtr )
+#define softfloat_shortShiftRightJam160M( aPtr, dist, zPtr ) softfloat_shortShiftRightJamM( 5, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shiftRightM
/*----------------------------------------------------------------------------
-| Shifts the N-bit unsigned integer pointed to by `aPtr' right by the number
-| of bits given in `count', where N = `size_words' * 32. The value of `count'
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
| must not be zero. Any nonzero bits shifted off are lost. The shifted
-| N-bit result is stored at the location pointed to by `zPtr'. Each of `aPtr'
-| and `zPtr' points to a `size_words'-long array of 32-bit elements that
+| N-bit result is stored at the location pointed to by 'zPtr'. Each of 'aPtr'
+| and 'zPtr' points to a 'size_words'-long array of 32-bit elements that
| concatenate in the platform's normal endian order to form an N-bit integer.
-| The value of `count' can be arbitrarily large. In particular, if `count'
-| is greater than N, the stored result will be 0.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than N, the stored result will be 0.
*----------------------------------------------------------------------------*/
void
softfloat_shiftRightM(
uint_fast8_t size_words,
const uint32_t *aPtr,
- uint32_t count,
+ uint32_t dist,
uint32_t *zPtr
);
#endif
#ifndef softfloat_shiftRight96M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shiftRightM' with
-| `size_words' = 3 (N = 96).
+| This function or macro is the same as 'softfloat_shiftRightM' with
+| 'size_words' = 3 (N = 96).
*----------------------------------------------------------------------------*/
-#define softfloat_shiftRight96M( aPtr, count, zPtr ) softfloat_shiftRightM( 3, aPtr, count, zPtr )
+#define softfloat_shiftRight96M( aPtr, dist, zPtr ) softfloat_shiftRightM( 3, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shiftRightJamM
/*----------------------------------------------------------------------------
-| Shifts the N-bit unsigned integer pointed to by `aPtr' right by the number
-| of bits given in `count', where N = `size_words' * 32. The value of `count'
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
| must not be zero. If any nonzero bits are shifted off, they are "jammed"
| into the least-significant bit of the shifted value by setting the least-
| significant bit to 1. This shifted-and-jammed N-bit result is stored
-| at the location pointed to by `zPtr'. Each of `aPtr' and `zPtr' points
-| to a `size_words'-long array of 32-bit elements that concatenate in the
+| at the location pointed to by 'zPtr'. Each of 'aPtr' and 'zPtr' points
+| to a 'size_words'-long array of 32-bit elements that concatenate in the
| platform's normal endian order to form an N-bit integer.
-| The value of `count' can be arbitrarily large. In particular, if `count'
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist'
| is greater than N, the stored result will be either 0 or 1, depending on
| whether the original N bits are all zeros.
*----------------------------------------------------------------------------*/
softfloat_shiftRightJamM(
uint_fast8_t size_words,
const uint32_t *aPtr,
- uint32_t count,
+ uint32_t dist,
uint32_t *zPtr
);
#endif
#ifndef softfloat_shiftRightJam96M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shiftRightJamM' with
-| `size_words' = 3 (N = 96).
+| This function or macro is the same as 'softfloat_shiftRightJamM' with
+| 'size_words' = 3 (N = 96).
*----------------------------------------------------------------------------*/
-#define softfloat_shiftRightJam96M( aPtr, count, zPtr ) softfloat_shiftRightJamM( 3, aPtr, count, zPtr )
+#define softfloat_shiftRightJam96M( aPtr, dist, zPtr ) softfloat_shiftRightJamM( 3, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shiftRightJam128M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shiftRightJamM' with
-| `size_words' = 4 (N = 128).
+| This function or macro is the same as 'softfloat_shiftRightJamM' with
+| 'size_words' = 4 (N = 128).
*----------------------------------------------------------------------------*/
-#define softfloat_shiftRightJam128M( aPtr, count, zPtr ) softfloat_shiftRightJamM( 4, aPtr, count, zPtr )
+#define softfloat_shiftRightJam128M( aPtr, dist, zPtr ) softfloat_shiftRightJamM( 4, aPtr, dist, zPtr )
#endif
#ifndef softfloat_shiftRightJam160M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_shiftRightJamM' with
-| `size_words' = 5 (N = 160).
+| This function or macro is the same as 'softfloat_shiftRightJamM' with
+| 'size_words' = 5 (N = 160).
*----------------------------------------------------------------------------*/
-#define softfloat_shiftRightJam160M( aPtr, count, zPtr ) softfloat_shiftRightJamM( 5, aPtr, count, zPtr )
+#define softfloat_shiftRightJam160M( aPtr, dist, zPtr ) softfloat_shiftRightJamM( 5, aPtr, dist, zPtr )
#endif
#ifndef softfloat_addM
/*----------------------------------------------------------------------------
-| Adds the two N-bit integers pointed to by `aPtr' and `bPtr', where N =
-| `size_words' * 32. The addition is modulo 2^N, so any carry out is lost.
-| The N-bit sum is stored at the location pointed to by `zPtr'. Each of
-| `aPtr', `bPtr', and `zPtr' points to a `size_words'-long array of 32-bit
+| Adds the two N-bit integers pointed to by 'aPtr' and 'bPtr', where N =
+| 'size_words' * 32. The addition is modulo 2^N, so any carry out is lost.
+| The N-bit sum is stored at the location pointed to by 'zPtr'. Each of
+| 'aPtr', 'bPtr', and 'zPtr' points to a 'size_words'-long array of 32-bit
| elements that concatenate in the platform's normal endian order to form an
| N-bit integer.
*----------------------------------------------------------------------------*/
#ifndef softfloat_add96M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_addM' with `size_words'
+| This function or macro is the same as 'softfloat_addM' with 'size_words'
| = 3 (N = 96).
*----------------------------------------------------------------------------*/
#define softfloat_add96M( aPtr, bPtr, zPtr ) softfloat_addM( 3, aPtr, bPtr, zPtr )
#ifndef softfloat_add128M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_addM' with `size_words'
+| This function or macro is the same as 'softfloat_addM' with 'size_words'
| = 4 (N = 128).
*----------------------------------------------------------------------------*/
#define softfloat_add128M( aPtr, bPtr, zPtr ) softfloat_addM( 4, aPtr, bPtr, zPtr )
#ifndef softfloat_add160M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_addM' with `size_words'
+| This function or macro is the same as 'softfloat_addM' with 'size_words'
| = 5 (N = 160).
*----------------------------------------------------------------------------*/
#define softfloat_add160M( aPtr, bPtr, zPtr ) softfloat_addM( 5, aPtr, bPtr, zPtr )
#ifndef softfloat_addCarryM
/*----------------------------------------------------------------------------
-| Adds the two N-bit unsigned integers pointed to by `aPtr' and `bPtr', where
-| N = `size_words' * 32, plus `carry', which must be either 0 or 1. The N-bit
-| sum (modulo 2^N) is stored at the location pointed to by `zPtr', and any
-| carry out is returned as the result. Each of `aPtr', `bPtr', and `zPtr'
-| points to a `size_words'-long array of 32-bit elements that concatenate in
+| Adds the two N-bit unsigned integers pointed to by 'aPtr' and 'bPtr', where
+| N = 'size_words' * 32, plus 'carry', which must be either 0 or 1. The N-bit
+| sum (modulo 2^N) is stored at the location pointed to by 'zPtr', and any
+| carry out is returned as the result. Each of 'aPtr', 'bPtr', and 'zPtr'
+| points to a 'size_words'-long array of 32-bit elements that concatenate in
| the platform's normal endian order to form an N-bit integer.
*----------------------------------------------------------------------------*/
uint_fast8_t
#ifndef softfloat_addComplCarryM
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_addCarryM', except that
-| the value of the unsigned integer pointed to by `bPtr' is bit-wise completed
+| This function or macro is the same as 'softfloat_addCarryM', except that
+| the value of the unsigned integer pointed to by 'bPtr' is bit-wise completed
| before the addition.
*----------------------------------------------------------------------------*/
uint_fast8_t
#ifndef softfloat_addComplCarry96M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_addComplCarryM' with
-| `size_words' = 3 (N = 96).
+| This function or macro is the same as 'softfloat_addComplCarryM' with
+| 'size_words' = 3 (N = 96).
*----------------------------------------------------------------------------*/
#define softfloat_addComplCarry96M( aPtr, bPtr, carry, zPtr ) softfloat_addComplCarryM( 3, aPtr, bPtr, carry, zPtr )
#endif
#ifndef softfloat_negXM
/*----------------------------------------------------------------------------
-| Replaces the N-bit unsigned integer pointed to by `zPtr' by the
-| 2s-complement of itself, where N = `size_words' * 32. Argument `zPtr'
-| points to a `size_words'-long array of 32-bit elements that concatenate in
+| Replaces the N-bit unsigned integer pointed to by 'zPtr' by the
+| 2s-complement of itself, where N = 'size_words' * 32. Argument 'zPtr'
+| points to a 'size_words'-long array of 32-bit elements that concatenate in
| the platform's normal endian order to form an N-bit integer.
*----------------------------------------------------------------------------*/
void softfloat_negXM( uint_fast8_t size_words, uint32_t *zPtr );
#ifndef softfloat_negX96M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_negXM' with `size_words'
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
| = 3 (N = 96).
*----------------------------------------------------------------------------*/
#define softfloat_negX96M( zPtr ) softfloat_negXM( 3, zPtr )
#ifndef softfloat_negX128M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_negXM' with `size_words'
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
| = 4 (N = 128).
*----------------------------------------------------------------------------*/
#define softfloat_negX128M( zPtr ) softfloat_negXM( 4, zPtr )
#ifndef softfloat_negX160M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_negXM' with `size_words'
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
| = 5 (N = 160).
*----------------------------------------------------------------------------*/
#define softfloat_negX160M( zPtr ) softfloat_negXM( 5, zPtr )
#ifndef softfloat_negX256M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_negXM' with `size_words'
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
| = 8 (N = 256).
*----------------------------------------------------------------------------*/
#define softfloat_negX256M( zPtr ) softfloat_negXM( 8, zPtr )
#ifndef softfloat_sub1XM
/*----------------------------------------------------------------------------
-| Subtracts 1 from the N-bit integer pointed to by `zPtr', where N =
-| `size_words' * 32. The subtraction is modulo 2^N, so any borrow out (carry
-| out) is lost. Argument `zPtr' points to a `size_words'-long array of 32-bit
+| Subtracts 1 from the N-bit integer pointed to by 'zPtr', where N =
+| 'size_words' * 32. The subtraction is modulo 2^N, so any borrow out (carry
+| out) is lost. Argument 'zPtr' points to a 'size_words'-long array of 32-bit
| elements that concatenate in the platform's normal endian order to form an
| N-bit integer.
*----------------------------------------------------------------------------*/
#ifndef softfloat_sub1X96M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_sub1XM' with `size_words'
+| This function or macro is the same as 'softfloat_sub1XM' with 'size_words'
| = 3 (N = 96).
*----------------------------------------------------------------------------*/
#define softfloat_sub1X96M( zPtr ) softfloat_sub1XM( 3, zPtr )
#ifndef softfloat_sub1X160M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_sub1XM' with `size_words'
+| This function or macro is the same as 'softfloat_sub1XM' with 'size_words'
| = 5 (N = 160).
*----------------------------------------------------------------------------*/
#define softfloat_sub1X160M( zPtr ) softfloat_sub1XM( 5, zPtr )
#ifndef softfloat_subM
/*----------------------------------------------------------------------------
-| Subtracts the two N-bit integers pointed to by `aPtr' and `bPtr', where N =
-| `size_words' * 32. The subtraction is modulo 2^N, so any borrow out (carry
+| Subtracts the two N-bit integers pointed to by 'aPtr' and 'bPtr', where N =
+| 'size_words' * 32. The subtraction is modulo 2^N, so any borrow out (carry
| out) is lost. The N-bit difference is stored at the location pointed to by
-| `zPtr'. Each of `aPtr', `bPtr', and `zPtr' points to a `size_words'-long
+| 'zPtr'. Each of 'aPtr', 'bPtr', and 'zPtr' points to a 'size_words'-long
| array of 32-bit elements that concatenate in the platform's normal endian
| order to form an N-bit integer.
*----------------------------------------------------------------------------*/
#ifndef softfloat_sub96M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_subM' with `size_words'
+| This function or macro is the same as 'softfloat_subM' with 'size_words'
| = 3 (N = 96).
*----------------------------------------------------------------------------*/
#define softfloat_sub96M( aPtr, bPtr, zPtr ) softfloat_subM( 3, aPtr, bPtr, zPtr )
#ifndef softfloat_sub128M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_subM' with `size_words'
+| This function or macro is the same as 'softfloat_subM' with 'size_words'
| = 4 (N = 128).
*----------------------------------------------------------------------------*/
#define softfloat_sub128M( aPtr, bPtr, zPtr ) softfloat_subM( 4, aPtr, bPtr, zPtr )
#ifndef softfloat_sub160M
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_subM' with `size_words'
+| This function or macro is the same as 'softfloat_subM' with 'size_words'
| = 5 (N = 160).
*----------------------------------------------------------------------------*/
#define softfloat_sub160M( aPtr, bPtr, zPtr ) softfloat_subM( 5, aPtr, bPtr, zPtr )
#ifndef softfloat_mul64To128M
/*----------------------------------------------------------------------------
-| Multiplies `a' and `b' and stores the 128-bit product at the location
-| pointed to by `zPtr'. Argument `zPtr' points to an array of four 32-bit
+| Multiplies 'a' and 'b' and stores the 128-bit product at the location
+| pointed to by 'zPtr'. Argument 'zPtr' points to an array of four 32-bit
| elements that concatenate in the platform's normal endian order to form a
| 128-bit integer.
*----------------------------------------------------------------------------*/
#ifndef softfloat_mul128MTo256M
/*----------------------------------------------------------------------------
-| Multiplies the two 128-bit unsigned integers pointed to by `aPtr' and
-| `bPtr', and stores the 256-bit product at the location pointed to by `zPtr'.
-| Each of `aPtr' and `bPtr' points to an array of four 32-bit elements that
+| Multiplies the two 128-bit unsigned integers pointed to by 'aPtr' and
+| 'bPtr', and stores the 256-bit product at the location pointed to by 'zPtr'.
+| Each of 'aPtr' and 'bPtr' points to an array of four 32-bit elements that
| concatenate in the platform's normal endian order to form a 128-bit integer.
-| Argument `zPtr' points to an array of eight 32-bit elements that concatenate
+| Argument 'zPtr' points to an array of eight 32-bit elements that concatenate
| to form a 256-bit integer.
*----------------------------------------------------------------------------*/
void
#ifndef softfloat_remStepMBy32
/*----------------------------------------------------------------------------
-| Performs a "remainder reduction step" as follows: Arguments `remPtr' and
-| `bPtr' both point to N-bit unsigned integers, where N = `size_words' * 32.
-| Defining R and B as the values of those integers, the expression (R<<`count')
+| Performs a "remainder reduction step" as follows: Arguments 'remPtr' and
+| 'bPtr' both point to N-bit unsigned integers, where N = 'size_words' * 32.
+| Defining R and B as the values of those integers, the expression (R<<'dist')
| - B * q is computed modulo 2^N, and the N-bit result is stored at the
-| location pointed to by `zPtr'. Each of `remPtr', `bPtr', and `zPtr' points
-| to a `size_words'-long array of 32-bit elements that concatenate in the
+| location pointed to by 'zPtr'. Each of 'remPtr', 'bPtr', and 'zPtr' points
+| to a 'size_words'-long array of 32-bit elements that concatenate in the
| platform's normal endian order to form an N-bit integer.
*----------------------------------------------------------------------------*/
void
softfloat_remStepMBy32(
uint_fast8_t size_words,
const uint32_t *remPtr,
- uint_fast8_t count,
+ uint_fast8_t dist,
const uint32_t *bPtr,
uint32_t q,
uint32_t *zPtr
#ifndef softfloat_remStep96MBy32
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_remStepMBy32' with
-| `size_words' = 3 (N = 96).
+| This function or macro is the same as 'softfloat_remStepMBy32' with
+| 'size_words' = 3 (N = 96).
*----------------------------------------------------------------------------*/
-#define softfloat_remStep96MBy32( remPtr, count, bPtr, q, zPtr ) softfloat_remStepMBy32( 3, remPtr, count, bPtr, q, zPtr )
+#define softfloat_remStep96MBy32( remPtr, dist, bPtr, q, zPtr ) softfloat_remStepMBy32( 3, remPtr, dist, bPtr, q, zPtr )
#endif
#ifndef softfloat_remStep128MBy32
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_remStepMBy32' with
-| `size_words' = 4 (N = 128).
+| This function or macro is the same as 'softfloat_remStepMBy32' with
+| 'size_words' = 4 (N = 128).
*----------------------------------------------------------------------------*/
-#define softfloat_remStep128MBy32( remPtr, count, bPtr, q, zPtr ) softfloat_remStepMBy32( 4, remPtr, count, bPtr, q, zPtr )
+#define softfloat_remStep128MBy32( remPtr, dist, bPtr, q, zPtr ) softfloat_remStepMBy32( 4, remPtr, dist, bPtr, q, zPtr )
#endif
#ifndef softfloat_remStep160MBy32
/*----------------------------------------------------------------------------
-| This function or macro is the same as `softfloat_remStepMBy32' with
-| `size_words' = 5 (N = 160).
+| This function or macro is the same as 'softfloat_remStepMBy32' with
+| 'size_words' = 5 (N = 160).
*----------------------------------------------------------------------------*/
-#define softfloat_remStep160MBy32( remPtr, count, bPtr, q, zPtr ) softfloat_remStepMBy32( 5, remPtr, count, bPtr, q, zPtr )
+#define softfloat_remStep160MBy32( remPtr, dist, bPtr, q, zPtr ) softfloat_remStepMBy32( 5, remPtr, dist, bPtr, q, zPtr )
#endif
#endif
projects / riscv-isa-sim.git / blobdiff