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Softfloat updates

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- minor refactoring of constants
   - drop LIT64 macro
   - re-organise header inclusion
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-softfloat-headers-190819-1' into staging

Softfloat updates

  - minor refactoring of constants
  - drop LIT64 macro
  - re-organise header inclusion

# gpg: Signature made Mon 19 Aug 2019 12:08:37 BST
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-softfloat-headers-190819-1:
  targets (various): use softfloat-helpers.h where we can
  target/riscv: rationalise softfloat includes
  target/mips: rationalise softfloat includes
  fpu: rename softfloat-specialize.h -> .inc.c
  fpu: make softfloat-macros "self-contained"
  fpu: move inline helpers into a separate header
  fpu: remove the LIT64 macro
  target/m68k: replace LIT64 with UINT64_C macros
  fpu: replace LIT64 with UINT64_C macros
  fpu: use min/max values from stdint.h for integral overflow
  fpu: convert float[16/32/64]_squash_denormal to new modern style
  fpu: replace LIT64 usage with UINT64_C for specialize constants

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2019-08-19 15:58:01 +01:00
parent 3fbd3405d2 5f8ab0004e
commit 50d69ee0d8
20 changed files with 342 additions and 285 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
fpu/softfloat-specialize.h → fpu/softfloat-specialize.inc.c
View file

@ -196,11 +196,11 @@ floatx80 floatx80_default_nan(float_status *status)
/* None of the targets that have snan_bit_is_one use floatx80. */
assert(!snan_bit_is_one(status));
#if defined(TARGET_M68K)
r.low = LIT64(0xFFFFFFFFFFFFFFFF);
r.low = UINT64_C(0xFFFFFFFFFFFFFFFF);
r.high = 0x7FFF;
#else
/* X86 */
r.low = LIT64(0xC000000000000000);
r.low = UINT64_C(0xC000000000000000);
r.high = 0xFFFF;
#endif
return r;
@ -212,9 +212,9 @@ floatx80 floatx80_default_nan(float_status *status)
#define floatx80_infinity_high 0x7FFF
#if defined(TARGET_M68K)
#define floatx80_infinity_low LIT64(0x0000000000000000)
#define floatx80_infinity_low UINT64_C(0x0000000000000000)
#else
#define floatx80_infinity_low LIT64(0x8000000000000000)
#define floatx80_infinity_low UINT64_C(0x8000000000000000)
#endif
const floatx80 floatx80_infinity
@ -667,7 +667,7 @@ int float64_is_signaling_nan(float64 a_, float_status *status)
return ((a << 1) >= 0xFFF0000000000000ULL);
} else {
return (((a >> 51) & 0xFFF) == 0xFFE)
&& (a & LIT64(0x0007FFFFFFFFFFFF));
&& (a & UINT64_C(0x0007FFFFFFFFFFFF));
}
#endif
}
@ -707,7 +707,7 @@ static float64 commonNaNToFloat64(commonNaNT a, float_status *status)
if (mantissa) {
return make_float64(
(((uint64_t) a.sign) << 63)
| LIT64(0x7FF0000000000000)
| UINT64_C(0x7FF0000000000000)
| (a.high >> 12));
} else {
return float64_default_nan(status);
@ -790,7 +790,7 @@ int floatx80_is_quiet_nan(floatx80 a, float_status *status)
&& (a.low == aLow);
} else {
return ((a.high & 0x7FFF) == 0x7FFF)
&& (LIT64(0x8000000000000000) <= ((uint64_t)(a.low << 1)));
&& (UINT64_C(0x8000000000000000) <= ((uint64_t)(a.low << 1)));
}
#endif
}
@ -812,7 +812,7 @@ int floatx80_is_signaling_nan(floatx80 a, float_status *status)
} else {
uint64_t aLow;
aLow = a.low & ~LIT64(0x4000000000000000);
aLow = a.low & ~UINT64_C(0x4000000000000000);
return ((a.high & 0x7FFF) == 0x7FFF)
&& (uint64_t)(aLow << 1)
&& (a.low == aLow);
@ -829,7 +829,7 @@ floatx80 floatx80_silence_nan(floatx80 a, float_status *status)
{
/* None of the targets that have snan_bit_is_one use floatx80. */
assert(!snan_bit_is_one(status));
a.low |= LIT64(0xC000000000000000);
a.low |= UINT64_C(0xC000000000000000);
return a;
}
@ -874,7 +874,7 @@ static floatx80 commonNaNToFloatx80(commonNaNT a, float_status *status)
}
if (a.high >> 1) {
z.low = LIT64(0x8000000000000000) | a.high >> 1;
z.low = UINT64_C(0x8000000000000000) | a.high >> 1;
z.high = (((uint16_t)a.sign) << 15) | 0x7FFF;
} else {
z = floatx80_default_nan(status);
@ -969,7 +969,7 @@ int float128_is_signaling_nan(float128 a, float_status *status)
&& (a.low || (a.high & 0x0000FFFFFFFFFFFFULL));
} else {
return (((a.high >> 47) & 0xFFFF) == 0xFFFE)
&& (a.low || (a.high & LIT64(0x00007FFFFFFFFFFF)));
&& (a.low || (a.high & UINT64_C(0x00007FFFFFFFFFFF)));
}
#endif
}
@ -987,7 +987,7 @@ float128 float128_silence_nan(float128 a, float_status *status)
if (snan_bit_is_one(status)) {
return float128_default_nan(status);
} else {
a.high |= LIT64(0x0000800000000000);
a.high |= UINT64_C(0x0000800000000000);
return a;
}
#endif
@ -1025,7 +1025,7 @@ static float128 commonNaNToFloat128(commonNaNT a, float_status *status)
}
shift128Right(a.high, a.low, 16, &z.high, &z.low);
z.high |= (((uint64_t)a.sign) << 63) | LIT64(0x7FFF000000000000);
z.high |= (((uint64_t)a.sign) << 63) | UINT64_C(0x7FFF000000000000);
return z;
}

264
fpu/softfloat.c
View file

@ -414,24 +414,6 @@ float64_gen2(float64 xa, float64 xb, float_status *s,
return soft(ua.s, ub.s, s);
}
/*----------------------------------------------------------------------------
| Returns the fraction bits of the half-precision floating-point value `a'.
*----------------------------------------------------------------------------*/
static inline uint32_t extractFloat16Frac(float16 a)
{
return float16_val(a) & 0x3ff;
}
/*----------------------------------------------------------------------------
| Returns the exponent bits of the half-precision floating-point value `a'.
*----------------------------------------------------------------------------*/
static inline int extractFloat16Exp(float16 a)
{
return (float16_val(a) >> 10) & 0x1f;
}
/*----------------------------------------------------------------------------
| Returns the fraction bits of the single-precision floating-point value `a'.
*----------------------------------------------------------------------------*/
@ -465,7 +447,7 @@ static inline flag extractFloat32Sign(float32 a)
static inline uint64_t extractFloat64Frac(float64 a)
{
return float64_val(a) & LIT64(0x000FFFFFFFFFFFFF);
return float64_val(a) & UINT64_C(0x000FFFFFFFFFFFFF);
}
/*----------------------------------------------------------------------------
@ -652,7 +634,7 @@ static inline float64 float64_pack_raw(FloatParts p)
| are propagated from function inputs to output. These details are target-
| specific.
*----------------------------------------------------------------------------*/
#include "softfloat-specialize.h"
#include "softfloat-specialize.inc.c"
/* Canonicalize EXP and FRAC, setting CLS. */
static FloatParts sf_canonicalize(FloatParts part, const FloatFmt *parm,
@ -3269,7 +3251,7 @@ float128 float128_default_nan(float_status *status)
*/
r.low = -(p.frac & 1);
r.high = p.frac >> (DECOMPOSED_BINARY_POINT - 48);
r.high |= LIT64(0x7FFF000000000000);
r.high |= UINT64_C(0x7FFF000000000000);
r.high |= (uint64_t)p.sign << 63;
return r;
@ -3306,6 +3288,55 @@ float64 float64_silence_nan(float64 a, float_status *status)
return float64_pack_raw(p);
}
/*----------------------------------------------------------------------------
| If `a' is denormal and we are in flush-to-zero mode then set the
| input-denormal exception and return zero. Otherwise just return the value.
*----------------------------------------------------------------------------*/
static bool parts_squash_denormal(FloatParts p, float_status *status)
{
if (p.exp == 0 && p.frac != 0) {
float_raise(float_flag_input_denormal, status);
return true;
}
return false;
}
float16 float16_squash_input_denormal(float16 a, float_status *status)
{
if (status->flush_inputs_to_zero) {
FloatParts p = float16_unpack_raw(a);
if (parts_squash_denormal(p, status)) {
return float16_set_sign(float16_zero, p.sign);
}
}
return a;
}
float32 float32_squash_input_denormal(float32 a, float_status *status)
{
if (status->flush_inputs_to_zero) {
FloatParts p = float32_unpack_raw(a);
if (parts_squash_denormal(p, status)) {
return float32_set_sign(float32_zero, p.sign);
}
}
return a;
}
float64 float64_squash_input_denormal(float64 a, float_status *status)
{
if (status->flush_inputs_to_zero) {
FloatParts p = float64_unpack_raw(a);
if (parts_squash_denormal(p, status)) {
return float64_set_sign(float64_zero, p.sign);
}
}
return a;
}
/*----------------------------------------------------------------------------
| Takes a 64-bit fixed-point value `absZ' with binary point between bits 6
| and 7, and returns the properly rounded 32-bit integer corresponding to the
@ -3353,7 +3384,7 @@ static int32_t roundAndPackInt32(flag zSign, uint64_t absZ, float_status *status
if ( zSign ) z = - z;
if ( ( absZ>>32 ) || ( z && ( ( z < 0 ) ^ zSign ) ) ) {
float_raise(float_flag_invalid, status);
return zSign ? (int32_t) 0x80000000 : 0x7FFFFFFF;
return zSign ? INT32_MIN : INT32_MAX;
}
if (roundBits) {
status->float_exception_flags |= float_flag_inexact;
@ -3413,9 +3444,7 @@ static int64_t roundAndPackInt64(flag zSign, uint64_t absZ0, uint64_t absZ1,
if ( z && ( ( z < 0 ) ^ zSign ) ) {
overflow:
float_raise(float_flag_invalid, status);
return
zSign ? (int64_t) LIT64( 0x8000000000000000 )
: LIT64( 0x7FFFFFFFFFFFFFFF );
return zSign ? INT64_MIN : INT64_MAX;
}
if (absZ1) {
status->float_exception_flags |= float_flag_inexact;
@ -3466,7 +3495,7 @@ static int64_t roundAndPackUint64(flag zSign, uint64_t absZ0,
++absZ0;
if (absZ0 == 0) {
float_raise(float_flag_invalid, status);
return LIT64(0xFFFFFFFFFFFFFFFF);
return UINT64_MAX;
}
absZ0 &= ~(((uint64_t)(absZ1<<1) == 0) & roundNearestEven);
}
@ -3482,21 +3511,6 @@ static int64_t roundAndPackUint64(flag zSign, uint64_t absZ0,
return absZ0;
}
/*----------------------------------------------------------------------------
| If `a' is denormal and we are in flush-to-zero mode then set the
| input-denormal exception and return zero. Otherwise just return the value.
*----------------------------------------------------------------------------*/
float32 float32_squash_input_denormal(float32 a, float_status *status)
{
if (status->flush_inputs_to_zero) {
if (extractFloat32Exp(a) == 0 && extractFloat32Frac(a) != 0) {
float_raise(float_flag_input_denormal, status);
return make_float32(float32_val(a) & 0x80000000);
}
}
return a;
}
/*----------------------------------------------------------------------------
| Normalizes the subnormal single-precision floating-point value represented
| by the denormalized significand `aSig'. The normalized exponent and
@ -3635,21 +3649,6 @@ static float32
}
/*----------------------------------------------------------------------------
| If `a' is denormal and we are in flush-to-zero mode then set the
| input-denormal exception and return zero. Otherwise just return the value.
*----------------------------------------------------------------------------*/
float64 float64_squash_input_denormal(float64 a, float_status *status)
{
if (status->flush_inputs_to_zero) {
if (extractFloat64Exp(a) == 0 && extractFloat64Frac(a) != 0) {
float_raise(float_flag_input_denormal, status);
return make_float64(float64_val(a) & (1ULL << 63));
}
}
return a;
}
/*----------------------------------------------------------------------------
| Normalizes the subnormal double-precision floating-point value represented
| by the denormalized significand `aSig'. The normalized exponent and
@ -3759,7 +3758,7 @@ static float64 roundAndPackFloat64(flag zSign, int zExp, uint64_t zSig,
(status->float_detect_tininess
== float_tininess_before_rounding)
|| ( zExp < -1 )
|| ( zSig + roundIncrement < LIT64( 0x8000000000000000 ) );
|| ( zSig + roundIncrement < UINT64_C(0x8000000000000000) );
shift64RightJamming( zSig, - zExp, &zSig );
zExp = 0;
roundBits = zSig & 0x3FF;
@ -3859,12 +3858,12 @@ floatx80 roundAndPackFloatx80(int8_t roundingPrecision, flag zSign,
roundNearestEven = ( roundingMode == float_round_nearest_even );
if ( roundingPrecision == 80 ) goto precision80;
if ( roundingPrecision == 64 ) {
roundIncrement = LIT64( 0x0000000000000400 );
roundMask = LIT64( 0x00000000000007FF );
roundIncrement = UINT64_C(0x0000000000000400);
roundMask = UINT64_C(0x00000000000007FF);
}
else if ( roundingPrecision == 32 ) {
roundIncrement = LIT64( 0x0000008000000000 );
roundMask = LIT64( 0x000000FFFFFFFFFF );
roundIncrement = UINT64_C(0x0000008000000000);
roundMask = UINT64_C(0x000000FFFFFFFFFF);
}
else {
goto precision80;
@ -3928,7 +3927,7 @@ floatx80 roundAndPackFloatx80(int8_t roundingPrecision, flag zSign,
zSig0 += roundIncrement;
if ( zSig0 < roundIncrement ) {
++zExp;
zSig0 = LIT64( 0x8000000000000000 );
zSig0 = UINT64_C(0x8000000000000000);
}
roundIncrement = roundMask + 1;
if ( roundNearestEven && ( roundBits<<1 == roundIncrement ) ) {
@ -3958,7 +3957,7 @@ floatx80 roundAndPackFloatx80(int8_t roundingPrecision, flag zSign,
if ( 0x7FFD <= (uint32_t) ( zExp - 1 ) ) {
if ( ( 0x7FFE < zExp )
|| ( ( zExp == 0x7FFE )
&& ( zSig0 == LIT64( 0xFFFFFFFFFFFFFFFF ) )
&& ( zSig0 == UINT64_C(0xFFFFFFFFFFFFFFFF) )
&& increment
)
) {
@ -3981,7 +3980,7 @@ floatx80 roundAndPackFloatx80(int8_t roundingPrecision, flag zSign,
== float_tininess_before_rounding)
|| ( zExp < 0 )
|| ! increment
|| ( zSig0 < LIT64( 0xFFFFFFFFFFFFFFFF ) );
|| ( zSig0 < UINT64_C(0xFFFFFFFFFFFFFFFF) );
shift64ExtraRightJamming( zSig0, zSig1, 1 - zExp, &zSig0, &zSig1 );
zExp = 0;
if (isTiny && zSig1) {
@ -4023,7 +4022,7 @@ floatx80 roundAndPackFloatx80(int8_t roundingPrecision, flag zSign,
++zSig0;
if ( zSig0 == 0 ) {
++zExp;
zSig0 = LIT64( 0x8000000000000000 );
zSig0 = UINT64_C(0x8000000000000000);
}
else {
zSig0 &= ~ ( ( (uint64_t) ( zSig1<<1 ) == 0 ) & roundNearestEven );
@ -4085,7 +4084,7 @@ static inline uint64_t extractFloat128Frac1( float128 a )
static inline uint64_t extractFloat128Frac0( float128 a )
{
return a.high & LIT64( 0x0000FFFFFFFFFFFF );
return a.high & UINT64_C(0x0000FFFFFFFFFFFF);
}
@ -4231,8 +4230,8 @@ static float128 roundAndPackFloat128(flag zSign, int32_t zExp,
if ( ( 0x7FFD < zExp )
|| ( ( zExp == 0x7FFD )
&& eq128(
LIT64( 0x0001FFFFFFFFFFFF ),
LIT64( 0xFFFFFFFFFFFFFFFF ),
UINT64_C(0x0001FFFFFFFFFFFF),
UINT64_C(0xFFFFFFFFFFFFFFFF),
zSig0,
zSig1
)
@ -4249,8 +4248,8 @@ static float128 roundAndPackFloat128(flag zSign, int32_t zExp,
packFloat128(
zSign,
0x7FFE,
LIT64( 0x0000FFFFFFFFFFFF ),
LIT64( 0xFFFFFFFFFFFFFFFF )
UINT64_C(0x0000FFFFFFFFFFFF),
UINT64_C(0xFFFFFFFFFFFFFFFF)
);
}
return packFloat128( zSign, 0x7FFF, 0, 0 );
@ -4268,8 +4267,8 @@ static float128 roundAndPackFloat128(flag zSign, int32_t zExp,
|| lt128(
zSig0,
zSig1,
LIT64( 0x0001FFFFFFFFFFFF ),
LIT64( 0xFFFFFFFFFFFFFFFF )
UINT64_C(0x0001FFFFFFFFFFFF),
UINT64_C(0xFFFFFFFFFFFFFFFF)
);
shift128ExtraRightJamming(
zSig0, zSig1, zSig2, - zExp, &zSig0, &zSig1, &zSig2 );
@ -4981,21 +4980,6 @@ int float32_unordered_quiet(float32 a, float32 b, float_status *status)
return 0;
}
/*----------------------------------------------------------------------------
| If `a' is denormal and we are in flush-to-zero mode then set the
| input-denormal exception and return zero. Otherwise just return the value.
*----------------------------------------------------------------------------*/
float16 float16_squash_input_denormal(float16 a, float_status *status)
{
if (status->flush_inputs_to_zero) {
if (extractFloat16Exp(a) == 0 && extractFloat16Frac(a) != 0) {
float_raise(float_flag_input_denormal, status);
return make_float16(float16_val(a) & 0x8000);
}
}
return a;
}
/*----------------------------------------------------------------------------
| Returns the result of converting the double-precision floating-point value
| `a' to the extended double-precision floating-point format. The conversion
@ -5027,7 +5011,7 @@ floatx80 float64_to_floatx80(float64 a, float_status *status)
}
return
packFloatx80(
aSign, aExp + 0x3C00, ( aSig | LIT64( 0x0010000000000000 ) )<<11 );
aSign, aExp + 0x3C00, (aSig | UINT64_C(0x0010000000000000)) << 11);
}
@ -5111,8 +5095,8 @@ float64 float64_rem(float64 a, float64 b, float_status *status)
normalizeFloat64Subnormal( aSig, &aExp, &aSig );
}
expDiff = aExp - bExp;
aSig = ( aSig | LIT64( 0x0010000000000000 ) )<<11;
bSig = ( bSig | LIT64( 0x0010000000000000 ) )<<11;
aSig = (aSig | UINT64_C(0x0010000000000000)) << 11;
bSig = (bSig | UINT64_C(0x0010000000000000)) << 11;
if ( expDiff < 0 ) {
if ( expDiff < -1 ) return a;
aSig >>= 1;
@ -5185,13 +5169,13 @@ float64 float64_log2(float64 a, float_status *status)
}
aExp -= 0x3FF;
aSig |= LIT64( 0x0010000000000000 );
aSig |= UINT64_C(0x0010000000000000);
zSign = aExp < 0;
zSig = (uint64_t)aExp << 52;
for (i = 1LL << 51; i > 0; i >>= 1) {
mul64To128( aSig, aSig, &aSig0, &aSig1 );
aSig = ( aSig0 << 12 ) | ( aSig1 >> 52 );
if ( aSig & LIT64( 0x0020000000000000 ) ) {
if ( aSig & UINT64_C(0x0020000000000000) ) {
aSig >>= 1;
zSig |= i;
}
@ -5532,9 +5516,9 @@ int64_t floatx80_to_int64(floatx80 a, float_status *status)
if ( shiftCount ) {
float_raise(float_flag_invalid, status);
if (!aSign || floatx80_is_any_nan(a)) {
return LIT64( 0x7FFFFFFFFFFFFFFF );
return INT64_MAX;
}
return (int64_t) LIT64( 0x8000000000000000 );
return INT64_MIN;
}
aSigExtra = 0;
}
@ -5571,14 +5555,14 @@ int64_t floatx80_to_int64_round_to_zero(floatx80 a, float_status *status)
aSign = extractFloatx80Sign( a );
shiftCount = aExp - 0x403E;
if ( 0 <= shiftCount ) {
aSig &= LIT64( 0x7FFFFFFFFFFFFFFF );
aSig &= UINT64_C(0x7FFFFFFFFFFFFFFF);
if ( ( a.high != 0xC03E ) || aSig ) {
float_raise(float_flag_invalid, status);
if ( ! aSign || ( ( aExp == 0x7FFF ) && aSig ) ) {
return LIT64( 0x7FFFFFFFFFFFFFFF );
return INT64_MAX;
}
}
return (int64_t) LIT64( 0x8000000000000000 );
return INT64_MIN;
}
else if ( aExp < 0x3FFF ) {
if (aExp | aSig) {
@ -5740,23 +5724,23 @@ floatx80 floatx80_round_to_int(floatx80 a, float_status *status)
if ( ( aExp == 0x3FFE ) && (uint64_t) ( extractFloatx80Frac( a )<<1 )
) {
return
packFloatx80( aSign, 0x3FFF, LIT64( 0x8000000000000000 ) );
packFloatx80( aSign, 0x3FFF, UINT64_C(0x8000000000000000));
}
break;
case float_round_ties_away:
if (aExp == 0x3FFE) {
return packFloatx80(aSign, 0x3FFF, LIT64(0x8000000000000000));
return packFloatx80(aSign, 0x3FFF, UINT64_C(0x8000000000000000));
}
break;
case float_round_down:
return
aSign ?
packFloatx80( 1, 0x3FFF, LIT64( 0x8000000000000000 ) )
packFloatx80( 1, 0x3FFF, UINT64_C(0x8000000000000000))
: packFloatx80( 0, 0, 0 );
case float_round_up:
return
aSign ? packFloatx80( 1, 0, 0 )
: packFloatx80( 0, 0x3FFF, LIT64( 0x8000000000000000 ) );
: packFloatx80( 0, 0x3FFF, UINT64_C(0x8000000000000000));
}
return packFloatx80( aSign, 0, 0 );
}
@ -5792,7 +5776,7 @@ floatx80 floatx80_round_to_int(floatx80 a, float_status *status)
z.low &= ~ roundBitsMask;
if ( z.low == 0 ) {
++z.high;
z.low = LIT64( 0x8000000000000000 );
z.low = UINT64_C(0x8000000000000000);
}
if (z.low != a.low) {
status->float_exception_flags |= float_flag_inexact;
@ -5865,7 +5849,7 @@ static floatx80 addFloatx80Sigs(floatx80 a, floatx80 b, flag zSign,
if ( (int64_t) zSig0 < 0 ) goto roundAndPack;
shiftRight1:
shift64ExtraRightJamming( zSig0, zSig1, 1, &zSig0, &zSig1 );
zSig0 |= LIT64( 0x8000000000000000 );
zSig0 |= UINT64_C(0x8000000000000000);
++zExp;
roundAndPack:
return roundAndPackFloatx80(status->floatx80_rounding_precision,
@ -6187,7 +6171,7 @@ floatx80 floatx80_rem(floatx80 a, floatx80 b, float_status *status)
if ( (uint64_t) ( aSig0<<1 ) == 0 ) return a;
normalizeFloatx80Subnormal( aSig0, &aExp, &aSig0 );
}
bSig |= LIT64( 0x8000000000000000 );
bSig |= UINT64_C(0x8000000000000000);
zSign = aSign;
expDiff = aExp - bExp;
aSig1 = 0;
@ -6289,7 +6273,7 @@ floatx80 floatx80_sqrt(floatx80 a, float_status *status)
add128( rem0, rem1, zSig0>>63, doubleZSig0 | 1, &rem0, &rem1 );
}
zSig1 = estimateDiv128To64( rem1, 0, doubleZSig0 );
if ( ( zSig1 & LIT64( 0x3FFFFFFFFFFFFFFF ) ) <= 5 ) {
if ( ( zSig1 & UINT64_C(0x3FFFFFFFFFFFFFFF) ) <= 5 ) {
if ( zSig1 == 0 ) zSig1 = 1;
mul64To128( doubleZSig0, zSig1, &term1, &term2 );
sub128( rem1, 0, term1, term2, &rem1, &rem2 );
@ -6588,7 +6572,7 @@ int32_t float128_to_int32(float128 a, float_status *status)
aExp = extractFloat128Exp( a );
aSign = extractFloat128Sign( a );
if ( ( aExp == 0x7FFF ) && ( aSig0 | aSig1 ) ) aSign = 0;
if ( aExp ) aSig0 |= LIT64( 0x0001000000000000 );
if ( aExp ) aSig0 |= UINT64_C(0x0001000000000000);
aSig0 |= ( aSig1 != 0 );
shiftCount = 0x4028 - aExp;
if ( 0 < shiftCount ) shift64RightJamming( aSig0, shiftCount, &aSig0 );
@ -6628,7 +6612,7 @@ int32_t float128_to_int32_round_to_zero(float128 a, float_status *status)
}
return 0;
}
aSig0 |= LIT64( 0x0001000000000000 );
aSig0 |= UINT64_C(0x0001000000000000);
shiftCount = 0x402F - aExp;
savedASig = aSig0;
aSig0 >>= shiftCount;
@ -6637,7 +6621,7 @@ int32_t float128_to_int32_round_to_zero(float128 a, float_status *status)
if ( ( z < 0 ) ^ aSign ) {
invalid:
float_raise(float_flag_invalid, status);
return aSign ? (int32_t) 0x80000000 : 0x7FFFFFFF;
return aSign ? INT32_MIN : INT32_MAX;
}
if ( ( aSig0<<shiftCount ) != savedASig ) {
status->float_exception_flags |= float_flag_inexact;
@ -6666,19 +6650,19 @@ int64_t float128_to_int64(float128 a, float_status *status)
aSig0 = extractFloat128Frac0( a );
aExp = extractFloat128Exp( a );
aSign = extractFloat128Sign( a );
if ( aExp ) aSig0 |= LIT64( 0x0001000000000000 );
if ( aExp ) aSig0 |= UINT64_C(0x0001000000000000);
shiftCount = 0x402F - aExp;
if ( shiftCount <= 0 ) {
if ( 0x403E < aExp ) {
float_raise(float_flag_invalid, status);
if ( ! aSign
|| ( ( aExp == 0x7FFF )
&& ( aSig1 || ( aSig0 != LIT64( 0x0001000000000000 ) ) )
&& ( aSig1 || ( aSig0 != UINT64_C(0x0001000000000000) ) )
)
) {
return LIT64( 0x7FFFFFFFFFFFFFFF );
return INT64_MAX;
}
return (int64_t) LIT64( 0x8000000000000000 );
return INT64_MIN;
}
shortShift128Left( aSig0, aSig1, - shiftCount, &aSig0, &aSig1 );
}
@ -6710,13 +6694,13 @@ int64_t float128_to_int64_round_to_zero(float128 a, float_status *status)
aSig0 = extractFloat128Frac0( a );
aExp = extractFloat128Exp( a );
aSign = extractFloat128Sign( a );
if ( aExp ) aSig0 |= LIT64( 0x0001000000000000 );
if ( aExp ) aSig0 |= UINT64_C(0x0001000000000000);
shiftCount = aExp - 0x402F;
if ( 0 < shiftCount ) {
if ( 0x403E <= aExp ) {
aSig0 &= LIT64( 0x0000FFFFFFFFFFFF );
if ( ( a.high == LIT64( 0xC03E000000000000 ) )
&& ( aSig1 < LIT64( 0x0002000000000000 ) ) ) {
aSig0 &= UINT64_C(0x0000FFFFFFFFFFFF);
if ( ( a.high == UINT64_C(0xC03E000000000000) )
&& ( aSig1 < UINT64_C(0x0002000000000000) ) ) {
if (aSig1) {
status->float_exception_flags |= float_flag_inexact;
}
@ -6724,10 +6708,10 @@ int64_t float128_to_int64_round_to_zero(float128 a, float_status *status)
else {
float_raise(float_flag_invalid, status);
if ( ! aSign || ( ( aExp == 0x7FFF ) && ( aSig0 | aSig1 ) ) ) {
return LIT64( 0x7FFFFFFFFFFFFFFF );
return INT64_MAX;
}
}
return (int64_t) LIT64( 0x8000000000000000 );
return INT64_MIN;
}
z = ( aSig0<<shiftCount ) | ( aSig1>>( ( - shiftCount ) & 63 ) );
if ( (uint64_t) ( aSig1<<shiftCount ) ) {
@ -6778,19 +6762,19 @@ uint64_t float128_to_uint64(float128 a, float_status *status)
if (aSign && (aExp > 0x3FFE)) {
float_raise(float_flag_invalid, status);
if (float128_is_any_nan(a)) {
return LIT64(0xFFFFFFFFFFFFFFFF);
return UINT64_MAX;
} else {
return 0;
}
}
if (aExp) {
aSig0 |= LIT64(0x0001000000000000);
aSig0 |= UINT64_C(0x0001000000000000);
}
shiftCount = 0x402F - aExp;
if (shiftCount <= 0) {
if (0x403E < aExp) {
float_raise(float_flag_invalid, status);
return LIT64(0xFFFFFFFFFFFFFFFF);
return UINT64_MAX;
}
shortShift128Left(aSig0, aSig1, -shiftCount, &aSig0, &aSig1);
} else {
@ -6929,7 +6913,7 @@ float64 float128_to_float64(float128 a, float_status *status)
shortShift128Left( aSig0, aSig1, 14, &aSig0, &aSig1 );
aSig0 |= ( aSig1 != 0 );
if ( aExp || aSig0 ) {
aSig0 |= LIT64( 0x4000000000000000 );
aSig0 |= UINT64_C(0x4000000000000000);
aExp -= 0x3C01;
}
return roundAndPackFloat64(aSign, aExp, aSig0, status);
@ -6965,7 +6949,7 @@ floatx80 float128_to_floatx80(float128 a, float_status *status)
normalizeFloat128Subnormal( aSig0, aSig1, &aExp, &aSig0, &aSig1 );
}
else {
aSig0 |= LIT64( 0x0001000000000000 );
aSig0 |= UINT64_C(0x0001000000000000);
}
shortShift128Left( aSig0, aSig1, 15, &aSig0, &aSig1 );
return roundAndPackFloatx80(80, aSign, aExp, aSig0, aSig1, status);
@ -7161,7 +7145,7 @@ static float128 addFloat128Sigs(float128 a, float128 b, flag zSign,
--expDiff;
}
else {
bSig0 |= LIT64( 0x0001000000000000 );
bSig0 |= UINT64_C(0x0001000000000000);
}
shift128ExtraRightJamming(
bSig0, bSig1, 0, expDiff, &bSig0, &bSig1, &zSig2 );
@ -7178,7 +7162,7 @@ static float128 addFloat128Sigs(float128 a, float128 b, flag zSign,
++expDiff;
}
else {
aSig0 |= LIT64( 0x0001000000000000 );
aSig0 |= UINT64_C(0x0001000000000000);
}
shift128ExtraRightJamming(
aSig0, aSig1, 0, - expDiff, &aSig0, &aSig1, &zSig2 );
@ -7202,14 +7186,14 @@ static float128 addFloat128Sigs(float128 a, float128 b, flag zSign,
return packFloat128( zSign, 0, zSig0, zSig1 );
}
zSig2 = 0;
zSig0 |= LIT64( 0x0002000000000000 );
zSig0 |= UINT64_C(0x0002000000000000);
zExp = aExp;
goto shiftRight1;
}
aSig0 |= LIT64( 0x0001000000000000 );
aSig0 |= UINT64_C(0x0001000000000000);
add128( aSig0, aSig1, bSig0, bSig1, &zSig0, &zSig1 );
--zExp;
if ( zSig0 < LIT64( 0x0002000000000000 ) ) goto roundAndPack;
if ( zSig0 < UINT64_C(0x0002000000000000) ) goto roundAndPack;
++zExp;
shiftRight1:
shift128ExtraRightJamming(
@ -7273,10 +7257,10 @@ static float128 subFloat128Sigs(float128 a, float128 b, flag zSign,
++expDiff;
}
else {
aSig0 |= LIT64( 0x4000000000000000 );
aSig0 |= UINT64_C(0x4000000000000000);
}
shift128RightJamming( aSig0, aSig1, - expDiff, &aSig0, &aSig1 );
bSig0 |= LIT64( 0x4000000000000000 );
bSig0 |= UINT64_C(0x4000000000000000);
bBigger:
sub128( bSig0, bSig1, aSig0, aSig1, &zSig0, &zSig1 );
zExp = bExp;
@ -7293,10 +7277,10 @@ static float128 subFloat128Sigs(float128 a, float128 b, flag zSign,
--expDiff;
}
else {
bSig0 |= LIT64( 0x4000000000000000 );
bSig0 |= UINT64_C(0x4000000000000000);
}
shift128RightJamming( bSig0, bSig1, expDiff, &bSig0, &bSig1 );
aSig0 |= LIT64( 0x4000000000000000 );
aSig0 |= UINT64_C(0x4000000000000000);
aBigger:
sub128( aSig0, aSig1, bSig0, bSig1, &zSig0, &zSig1 );
zExp = aExp;
@ -7398,12 +7382,12 @@ float128 float128_mul(float128 a, float128 b, float_status *status)
normalizeFloat128Subnormal( bSig0, bSig1, &bExp, &bSig0, &bSig1 );
}
zExp = aExp + bExp - 0x4000;
aSig0 |= LIT64( 0x0001000000000000 );
aSig0 |= UINT64_C(0x0001000000000000);
shortShift128Left( bSig0, bSig1, 16, &bSig0, &bSig1 );
mul128To256( aSig0, aSig1, bSig0, bSig1, &zSig0, &zSig1, &zSig2, &zSig3 );
add128( zSig0, zSig1, aSig0, aSig1, &zSig0, &zSig1 );
zSig2 |= ( zSig3 != 0 );
if ( LIT64( 0x0002000000000000 ) <= zSig0 ) {
if (UINT64_C( 0x0002000000000000) <= zSig0 ) {
shift128ExtraRightJamming(
zSig0, zSig1, zSig2, 1, &zSig0, &zSig1, &zSig2 );
++zExp;
@ -7470,9 +7454,9 @@ float128 float128_div(float128 a, float128 b, float_status *status)
}
zExp = aExp - bExp + 0x3FFD;
shortShift128Left(
aSig0 | LIT64( 0x0001000000000000 ), aSig1, 15, &aSig0, &aSig1 );
aSig0 | UINT64_C(0x0001000000000000), aSig1, 15, &aSig0, &aSig1 );
shortShift128Left(
bSig0 | LIT64( 0x0001000000000000 ), bSig1, 15, &bSig0, &bSig1 );
bSig0 | UINT64_C(0x0001000000000000), bSig1, 15, &bSig0, &bSig1 );
if ( le128( bSig0, bSig1, aSig0, aSig1 ) ) {
shift128Right( aSig0, aSig1, 1, &aSig0, &aSig1 );
++zExp;
@ -7548,14 +7532,14 @@ float128 float128_rem(float128 a, float128 b, float_status *status)
expDiff = aExp - bExp;
if ( expDiff < -1 ) return a;
shortShift128Left(
aSig0 | LIT64( 0x0001000000000000 ),
aSig0 | UINT64_C(0x0001000000000000),
aSig1,
15 - ( expDiff < 0 ),
&aSig0,
&aSig1
);
shortShift128Left(
bSig0 | LIT64( 0x0001000000000000 ), bSig1, 15, &bSig0, &bSig1 );
bSig0 | UINT64_C(0x0001000000000000), bSig1, 15, &bSig0, &bSig1 );
q = le128( bSig0, bSig1, aSig0, aSig1 );
if ( q ) sub128( aSig0, aSig1, bSig0, bSig1, &aSig0, &aSig1 );
expDiff -= 64;
@ -7641,7 +7625,7 @@ float128 float128_sqrt(float128 a, float_status *status)
normalizeFloat128Subnormal( aSig0, aSig1, &aExp, &aSig0, &aSig1 );
}
zExp = ( ( aExp - 0x3FFF )>>1 ) + 0x3FFE;
aSig0 |= LIT64( 0x0001000000000000 );
aSig0 |= UINT64_C(0x0001000000000000);
zSig0 = estimateSqrt32( aExp, aSig0>>17 );
shortShift128Left( aSig0, aSig1, 13 - ( aExp & 1 ), &aSig0, &aSig1 );
zSig0 = estimateDiv128To64( aSig0, aSig1, zSig0<<32 ) + ( zSig0<<30 );
@ -8062,7 +8046,7 @@ float128 float128_scalbn(float128 a, int n, float_status *status)
return a;
}
if (aExp != 0) {
aSig0 |= LIT64( 0x0001000000000000 );
aSig0 |= UINT64_C(0x0001000000000000);
} else if (aSig0 == 0 && aSig1 == 0) {
return a;
} else {

132
include/fpu/softfloat-helpers.h Normal file
View file

@ -0,0 +1,132 @@
/*
* QEMU float support - standalone helpers
*
* This is provided for files that don't need the access to the full
* set of softfloat functions. Typically this is cpu initialisation
* code which wants to set default rounding and exceptions modes.
*
* The code in this source file is derived from release 2a of the SoftFloat
* IEC/IEEE Floating-point Arithmetic Package. Those parts of the code (and
* some later contributions) are provided under that license, as detailed below.
* It has subsequently been modified by contributors to the QEMU Project,
* so some portions are provided under:
* the SoftFloat-2a license
* the BSD license
* GPL-v2-or-later
*
* Any future contributions to this file after December 1st 2014 will be
* taken to be licensed under the Softfloat-2a license unless specifically
* indicated otherwise.
*/
/*
===============================================================================
This C header file is part of the SoftFloat IEC/IEEE Floating-point
Arithmetic Package, Release 2a.
Written by John R. Hauser. This work was made possible in part by the
International Computer Science Institute, located at Suite 600, 1947 Center
Street, Berkeley, California 94704. Funding was partially provided by the
National Science Foundation under grant MIP-9311980. The original version
of this code was written as part of a project to build a fixed-point vector
processor in collaboration with the University of California at Berkeley,
overseen by Profs. Nelson Morgan and John Wawrzynek. More information
is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/
arithmetic/SoftFloat.html'.
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
Derivative works are acceptable, even for commercial purposes, so long as
(1) they include prominent notice that the work is derivative, and (2) they
include prominent notice akin to these four paragraphs for those parts of
this code that are retained.
===============================================================================
*/
#ifndef _SOFTFLOAT_HELPERS_H_
#define _SOFTFLOAT_HELPERS_H_
#include "fpu/softfloat-types.h"
static inline void set_float_detect_tininess(int val, float_status *status)
{
status->float_detect_tininess = val;
}
static inline void set_float_rounding_mode(int val, float_status *status)
{
status->float_rounding_mode = val;
}
static inline void set_float_exception_flags(int val, float_status *status)
{
status->float_exception_flags = val;
}
static inline void set_floatx80_rounding_precision(int val,
float_status *status)
{
status->floatx80_rounding_precision = val;
}
static inline void set_flush_to_zero(flag val, float_status *status)
{
status->flush_to_zero = val;
}
static inline void set_flush_inputs_to_zero(flag val, float_status *status)
{
status->flush_inputs_to_zero = val;
}
static inline void set_default_nan_mode(flag val, float_status *status)
{
status->default_nan_mode = val;
}
static inline void set_snan_bit_is_one(flag val, float_status *status)
{
status->snan_bit_is_one = val;
}
static inline int get_float_detect_tininess(float_status *status)
{
return status->float_detect_tininess;
}
static inline int get_float_rounding_mode(float_status *status)
{
return status->float_rounding_mode;
}
static inline int get_float_exception_flags(float_status *status)
{
return status->float_exception_flags;
}
static inline int get_floatx80_rounding_precision(float_status *status)
{
return status->floatx80_rounding_precision;
}
static inline flag get_flush_to_zero(float_status *status)
{
return status->flush_to_zero;
}
static inline flag get_flush_inputs_to_zero(float_status *status)
{
return status->flush_inputs_to_zero;
}
static inline flag get_default_nan_mode(float_status *status)
{
return status->default_nan_mode;
}
#endif /* _SOFTFLOAT_HELPERS_H_ */

8
include/fpu/softfloat-macros.h
View file

@ -82,7 +82,7 @@ this code that are retained.
#ifndef FPU_SOFTFLOAT_MACROS_H
#define FPU_SOFTFLOAT_MACROS_H
#include "fpu/softfloat.h"
#include "fpu/softfloat-types.h"
/*----------------------------------------------------------------------------
| Shifts `a' right by the number of bits given in `count'. If any nonzero
@ -618,13 +618,13 @@ static inline uint64_t estimateDiv128To64(uint64_t a0, uint64_t a1, uint64_t b)
uint64_t rem0, rem1, term0, term1;
uint64_t z;
if ( b <= a0 ) return LIT64( 0xFFFFFFFFFFFFFFFF );
if ( b <= a0 ) return UINT64_C(0xFFFFFFFFFFFFFFFF);
b0 = b>>32;
z = ( b0<<32 <= a0 ) ? LIT64( 0xFFFFFFFF00000000 ) : ( a0 / b0 )<<32;
z = ( b0<<32 <= a0 ) ? UINT64_C(0xFFFFFFFF00000000) : ( a0 / b0 )<<32;
mul64To128( b, z, &term0, &term1 );
sub128( a0, a1, term0, term1, &rem0, &rem1 );
while ( ( (int64_t) rem0 ) < 0 ) {
z -= LIT64( 0x100000000 );
z -= UINT64_C(0x100000000);
b1 = b<<32;
add128( rem0, rem1, b0, b1, &rem0, &rem1 );
}

65
include/fpu/softfloat.h
View file

@ -82,8 +82,6 @@ this code that are retained.
#ifndef SOFTFLOAT_H
#define SOFTFLOAT_H
#define LIT64( a ) a##LL
/*----------------------------------------------------------------------------
| Software IEC/IEEE floating-point ordering relations
*----------------------------------------------------------------------------*/
@ -95,68 +93,7 @@ enum {
};
#include "fpu/softfloat-types.h"
static inline void set_float_detect_tininess(int val, float_status *status)
{
status->float_detect_tininess = val;
}
static inline void set_float_rounding_mode(int val, float_status *status)
{
status->float_rounding_mode = val;
}
static inline void set_float_exception_flags(int val, float_status *status)
{
status->float_exception_flags = val;
}
static inline void set_floatx80_rounding_precision(int val,
float_status *status)
{
status->floatx80_rounding_precision = val;
}
static inline void set_flush_to_zero(flag val, float_status *status)
{
status->flush_to_zero = val;
}
static inline void set_flush_inputs_to_zero(flag val, float_status *status)
{
status->flush_inputs_to_zero = val;
}
static inline void set_default_nan_mode(flag val, float_status *status)
{
status->default_nan_mode = val;
}
static inline void set_snan_bit_is_one(flag val, float_status *status)
{
status->snan_bit_is_one = val;
}
static inline int get_float_detect_tininess(float_status *status)
{
return status->float_detect_tininess;
}
static inline int get_float_rounding_mode(float_status *status)
{
return status->float_rounding_mode;
}
static inline int get_float_exception_flags(float_status *status)
{
return status->float_exception_flags;
}
static inline int get_floatx80_rounding_precision(float_status *status)
{
return status->floatx80_rounding_precision;
}
static inline flag get_flush_to_zero(float_status *status)
{
return status->flush_to_zero;
}
static inline flag get_flush_inputs_to_zero(float_status *status)
{
return status->flush_inputs_to_zero;
}
static inline flag get_default_nan_mode(float_status *status)
{
return status->default_nan_mode;
}
#include "fpu/softfloat-helpers.h"
/*----------------------------------------------------------------------------
| Routine to raise any or all of the software IEC/IEEE floating-point

1
linux-user/mips/cpu_loop.c
View file

@ -22,6 +22,7 @@
#include "qemu.h"
#include "cpu_loop-common.h"
#include "elf.h"
#include "internal.h"
# ifdef TARGET_ABI_MIPSO32
# define MIPS_SYS(name, args) args,

2
target/alpha/helper.c
View file

@ -21,7 +21,7 @@
#include "cpu.h"
#include "exec/exec-all.h"
#include "fpu/softfloat.h"
#include "fpu/softfloat-types.h"
#include "exec/helper-proto.h"
#include "qemu/qemu-print.h"

98
target/m68k/softfloat.c
View file

@ -26,7 +26,7 @@
#define pi_exp 0x4000
#define piby2_exp 0x3FFF
#define pi_sig LIT64(0xc90fdaa22168c235)
#define pi_sig UINT64_C(0xc90fdaa22168c235)
static floatx80 propagateFloatx80NaNOneArg(floatx80 a, float_status *status)
{
@ -87,7 +87,7 @@ floatx80 floatx80_mod(floatx80 a, floatx80 b, float_status *status)
}
normalizeFloatx80Subnormal(aSig0, &aExp, &aSig0);
}
bSig |= LIT64(0x8000000000000000);
bSig |= UINT64_C(0x8000000000000000);
zSign = aSign;
expDiff = aExp - bExp;
aSig1 = 0;
@ -289,7 +289,7 @@ floatx80 floatx80_move(floatx80 a, float_status *status)
*/
#define one_exp 0x3FFF
#define one_sig LIT64(0x8000000000000000)
#define one_sig UINT64_C(0x8000000000000000)
/*
* Function for compactifying extended double-precision floating point values.
@ -373,7 +373,7 @@ floatx80 floatx80_lognp1(floatx80 a, float_status *status)
k = aExp - 0x3FFF;
fp1 = int32_to_floatx80(k, status);
fSig = (aSig & LIT64(0xFE00000000000000)) | LIT64(0x0100000000000000);
fSig = (aSig & UINT64_C(0xFE00000000000000)) | UINT64_C(0x0100000000000000);
j = (fSig >> 56) & 0x7E; /* DISPLACEMENT FOR 1/F */
f = packFloatx80(0, 0x3FFF, fSig); /* F */
@ -384,7 +384,7 @@ floatx80 floatx80_lognp1(floatx80 a, float_status *status)
lp1cont1:
/* LP1CONT1 */
fp0 = floatx80_mul(fp0, log_tbl[j], status); /* FP0 IS U = (Y-F)/F */
logof2 = packFloatx80(0, 0x3FFE, LIT64(0xB17217F7D1CF79AC));
logof2 = packFloatx80(0, 0x3FFE, UINT64_C(0xB17217F7D1CF79AC));
klog2 = floatx80_mul(fp1, logof2, status); /* FP1 IS K*LOG2 */
fp2 = floatx80_mul(fp0, fp0, status); /* FP2 IS V=U*U */
@ -431,7 +431,7 @@ floatx80 floatx80_lognp1(floatx80 a, float_status *status)
} else if (compact < 0x3FFEF07D || compact > 0x3FFF8841) {
/* |X| < 1/16 or |X| > -1/16 */
/* LP1CARE */
fSig = (aSig & LIT64(0xFE00000000000000)) | LIT64(0x0100000000000000);
fSig = (aSig & UINT64_C(0xFE00000000000000)) | UINT64_C(0x0100000000000000);
f = packFloatx80(0, 0x3FFF, fSig); /* F */
j = (fSig >> 56) & 0x7E; /* DISPLACEMENT FOR 1/F */
@ -562,7 +562,7 @@ floatx80 floatx80_logn(floatx80 a, float_status *status)
k += adjk;
fp1 = int32_to_floatx80(k, status);
fSig = (aSig & LIT64(0xFE00000000000000)) | LIT64(0x0100000000000000);
fSig = (aSig & UINT64_C(0xFE00000000000000)) | UINT64_C(0x0100000000000000);
j = (fSig >> 56) & 0x7E; /* DISPLACEMENT FOR 1/F */
f = packFloatx80(0, 0x3FFF, fSig); /* F */
@ -572,7 +572,7 @@ floatx80 floatx80_logn(floatx80 a, float_status *status)
/* LP1CONT1 */
fp0 = floatx80_mul(fp0, log_tbl[j], status); /* FP0 IS U = (Y-F)/F */
logof2 = packFloatx80(0, 0x3FFE, LIT64(0xB17217F7D1CF79AC));
logof2 = packFloatx80(0, 0x3FFE, UINT64_C(0xB17217F7D1CF79AC));
klog2 = floatx80_mul(fp1, logof2, status); /* FP1 IS K*LOG2 */
fp2 = floatx80_mul(fp0, fp0, status); /* FP2 IS V=U*U */
@ -712,7 +712,7 @@ floatx80 floatx80_log10(floatx80 a, float_status *status)
status->floatx80_rounding_precision = 80;
fp0 = floatx80_logn(a, status);
fp1 = packFloatx80(0, 0x3FFD, LIT64(0xDE5BD8A937287195)); /* INV_L10 */
fp1 = packFloatx80(0, 0x3FFD, UINT64_C(0xDE5BD8A937287195)); /* INV_L10 */
status->float_rounding_mode = user_rnd_mode;
status->floatx80_rounding_precision = user_rnd_prec;
@ -778,7 +778,7 @@ floatx80 floatx80_log2(floatx80 a, float_status *status)
a = int32_to_floatx80(aExp - 0x3FFF, status);
} else {
fp0 = floatx80_logn(a, status);
fp1 = packFloatx80(0, 0x3FFF, LIT64(0xB8AA3B295C17F0BC)); /* INV_L2 */
fp1 = packFloatx80(0, 0x3FFF, UINT64_C(0xB8AA3B295C17F0BC)); /* INV_L2 */
status->float_rounding_mode = user_rnd_mode;
status->floatx80_rounding_precision = user_rnd_prec;
@ -862,7 +862,7 @@ floatx80 floatx80_etox(floatx80 a, float_status *status)
fp0 = floatx80_mul(fp0, float32_to_floatx80(
make_float32(0xBC317218), status),
status); /* N * L1, L1 = lead(-log2/64) */
l2 = packFloatx80(0, 0x3FDC, LIT64(0x82E308654361C4C6));
l2 = packFloatx80(0, 0x3FDC, UINT64_C(0x82E308654361C4C6));
fp2 = floatx80_mul(fp2, l2, status); /* N * L2, L1+L2 = -log2/64 */
fp0 = floatx80_add(fp0, fp1, status); /* X + N*L1 */
fp0 = floatx80_add(fp0, fp2, status); /* R */
@ -1082,7 +1082,7 @@ floatx80 floatx80_twotox(floatx80 a, float_status *status)
make_float32(0x3C800000), status),
status); /* (1/64)*N */
fp0 = floatx80_sub(fp0, fp1, status); /* X - (1/64)*INT(64 X) */
fp2 = packFloatx80(0, 0x3FFE, LIT64(0xB17217F7D1CF79AC)); /* LOG2 */
fp2 = packFloatx80(0, 0x3FFE, UINT64_C(0xB17217F7D1CF79AC)); /* LOG2 */
fp0 = floatx80_mul(fp0, fp2, status); /* R */
/* EXPR */
@ -1233,11 +1233,11 @@ floatx80 floatx80_tentox(floatx80 a, float_status *status)
fp1 = floatx80_mul(fp1, float64_to_floatx80(
make_float64(0x3F734413509F8000), status),
status); /* N*(LOG2/64LOG10)_LEAD */
fp3 = packFloatx80(1, 0x3FCD, LIT64(0xC0219DC1DA994FD2));
fp3 = packFloatx80(1, 0x3FCD, UINT64_C(0xC0219DC1DA994FD2));
fp2 = floatx80_mul(fp2, fp3, status); /* N*(LOG2/64LOG10)_TRAIL */
fp0 = floatx80_sub(fp0, fp1, status); /* X - N L_LEAD */
fp0 = floatx80_sub(fp0, fp2, status); /* X - N L_TRAIL */
fp2 = packFloatx80(0, 0x4000, LIT64(0x935D8DDDAAA8AC17)); /* LOG10 */
fp2 = packFloatx80(0, 0x4000, UINT64_C(0x935D8DDDAAA8AC17)); /* LOG10 */
fp0 = floatx80_mul(fp0, fp2, status); /* R */
/* EXPR */
@ -1329,9 +1329,9 @@ floatx80 floatx80_tan(floatx80 a, float_status *status)
fp1 = packFloatx80(0, 0, 0);
if (compact == 0x7FFEFFFF) {
twopi1 = packFloatx80(aSign ^ 1, 0x7FFE,
LIT64(0xC90FDAA200000000));
UINT64_C(0xC90FDAA200000000));
twopi2 = packFloatx80(aSign ^ 1, 0x7FDC,
LIT64(0x85A308D300000000));
UINT64_C(0x85A308D300000000));
fp0 = floatx80_add(fp0, twopi1, status);
fp1 = fp0;
fp0 = floatx80_add(fp0, twopi2, status);
@ -1350,9 +1350,9 @@ floatx80 floatx80_tan(floatx80 a, float_status *status)
endflag = 0;
}
invtwopi = packFloatx80(0, 0x3FFE - l,
LIT64(0xA2F9836E4E44152A)); /* INVTWOPI */
twopi1 = packFloatx80(0, 0x3FFF + l, LIT64(0xC90FDAA200000000));
twopi2 = packFloatx80(0, 0x3FDD + l, LIT64(0x85A308D300000000));
UINT64_C(0xA2F9836E4E44152A)); /* INVTWOPI */
twopi1 = packFloatx80(0, 0x3FFF + l, UINT64_C(0xC90FDAA200000000));
twopi2 = packFloatx80(0, 0x3FDD + l, UINT64_C(0x85A308D300000000));
/* SIGN(INARG)*2^63 IN SGL */
twoto63 = packFloat32(xSign, 0xBE, 0);
@ -1415,17 +1415,17 @@ floatx80 floatx80_tan(floatx80 a, float_status *status)
fp3 = floatx80_add(fp3, float64_to_floatx80(
make_float64(0xBF346F59B39BA65F), status),
status); /* Q3+SQ4 */
fp4 = packFloatx80(0, 0x3FF6, LIT64(0xE073D3FC199C4A00));
fp4 = packFloatx80(0, 0x3FF6, UINT64_C(0xE073D3FC199C4A00));
fp2 = floatx80_add(fp2, fp4, status); /* P2+SP3 */
fp3 = floatx80_mul(fp3, fp0, status); /* S(Q3+SQ4) */
fp2 = floatx80_mul(fp2, fp0, status); /* S(P2+SP3) */
fp4 = packFloatx80(0, 0x3FF9, LIT64(0xD23CD68415D95FA1));
fp4 = packFloatx80(0, 0x3FF9, UINT64_C(0xD23CD68415D95FA1));
fp3 = floatx80_add(fp3, fp4, status); /* Q2+S(Q3+SQ4) */
fp4 = packFloatx80(1, 0x3FFC, LIT64(0x8895A6C5FB423BCA));
fp4 = packFloatx80(1, 0x3FFC, UINT64_C(0x8895A6C5FB423BCA));
fp2 = floatx80_add(fp2, fp4, status); /* P1+S(P2+SP3) */
fp3 = floatx80_mul(fp3, fp0, status); /* S(Q2+S(Q3+SQ4)) */
fp2 = floatx80_mul(fp2, fp0, status); /* S(P1+S(P2+SP3)) */
fp4 = packFloatx80(1, 0x3FFD, LIT64(0xEEF57E0DA84BC8CE));
fp4 = packFloatx80(1, 0x3FFD, UINT64_C(0xEEF57E0DA84BC8CE));
fp3 = floatx80_add(fp3, fp4, status); /* Q1+S(Q2+S(Q3+SQ4)) */
fp2 = floatx80_mul(fp2, fp1, status); /* RS(P1+S(P2+SP3)) */
fp0 = floatx80_mul(fp0, fp3, status); /* S(Q1+S(Q2+S(Q3+SQ4))) */
@ -1459,17 +1459,17 @@ floatx80 floatx80_tan(floatx80 a, float_status *status)
fp3 = floatx80_add(fp3, float64_to_floatx80(
make_float64(0xBF346F59B39BA65F), status),
status); /* Q3+SQ4 */
fp4 = packFloatx80(0, 0x3FF6, LIT64(0xE073D3FC199C4A00));
fp4 = packFloatx80(0, 0x3FF6, UINT64_C(0xE073D3FC199C4A00));
fp2 = floatx80_add(fp2, fp4, status); /* P2+SP3 */
fp3 = floatx80_mul(fp3, fp1, status); /* S(Q3+SQ4) */
fp2 = floatx80_mul(fp2, fp1, status); /* S(P2+SP3) */
fp4 = packFloatx80(0, 0x3FF9, LIT64(0xD23CD68415D95FA1));
fp4 = packFloatx80(0, 0x3FF9, UINT64_C(0xD23CD68415D95FA1));
fp3 = floatx80_add(fp3, fp4, status); /* Q2+S(Q3+SQ4) */
fp4 = packFloatx80(1, 0x3FFC, LIT64(0x8895A6C5FB423BCA));
fp4 = packFloatx80(1, 0x3FFC, UINT64_C(0x8895A6C5FB423BCA));
fp2 = floatx80_add(fp2, fp4, status); /* P1+S(P2+SP3) */
fp3 = floatx80_mul(fp3, fp1, status); /* S(Q2+S(Q3+SQ4)) */
fp2 = floatx80_mul(fp2, fp1, status); /* S(P1+S(P2+SP3)) */
fp4 = packFloatx80(1, 0x3FFD, LIT64(0xEEF57E0DA84BC8CE));
fp4 = packFloatx80(1, 0x3FFD, UINT64_C(0xEEF57E0DA84BC8CE));
fp3 = floatx80_add(fp3, fp4, status); /* Q1+S(Q2+S(Q3+SQ4)) */
fp2 = floatx80_mul(fp2, fp0, status); /* RS(P1+S(P2+SP3)) */
fp1 = floatx80_mul(fp1, fp3, status); /* S(Q1+S(Q2+S(Q3+SQ4))) */
@ -1539,9 +1539,9 @@ floatx80 floatx80_sin(floatx80 a, float_status *status)
fp1 = packFloatx80(0, 0, 0);
if (compact == 0x7FFEFFFF) {
twopi1 = packFloatx80(aSign ^ 1, 0x7FFE,
LIT64(0xC90FDAA200000000));
UINT64_C(0xC90FDAA200000000));
twopi2 = packFloatx80(aSign ^ 1, 0x7FDC,
LIT64(0x85A308D300000000));
UINT64_C(0x85A308D300000000));
fp0 = floatx80_add(fp0, twopi1, status);
fp1 = fp0;
fp0 = floatx80_add(fp0, twopi2, status);
@ -1560,9 +1560,9 @@ floatx80 floatx80_sin(floatx80 a, float_status *status)
endflag = 0;
}
invtwopi = packFloatx80(0, 0x3FFE - l,
LIT64(0xA2F9836E4E44152A)); /* INVTWOPI */
twopi1 = packFloatx80(0, 0x3FFF + l, LIT64(0xC90FDAA200000000));
twopi2 = packFloatx80(0, 0x3FDD + l, LIT64(0x85A308D300000000));
UINT64_C(0xA2F9836E4E44152A)); /* INVTWOPI */
twopi1 = packFloatx80(0, 0x3FFF + l, UINT64_C(0xC90FDAA200000000));
twopi2 = packFloatx80(0, 0x3FDD + l, UINT64_C(0x85A308D300000000));
/* SIGN(INARG)*2^63 IN SGL */
twoto63 = packFloat32(xSign, 0xBE, 0);
@ -1650,11 +1650,11 @@ floatx80 floatx80_sin(floatx80 a, float_status *status)
fp2 = floatx80_add(fp2, float64_to_floatx80(
make_float64(0x3EFA01A01A01D423), status),
status); /* B4+T(B6+TB8) */
fp4 = packFloatx80(1, 0x3FF5, LIT64(0xB60B60B60B61D438));
fp4 = packFloatx80(1, 0x3FF5, UINT64_C(0xB60B60B60B61D438));
fp3 = floatx80_add(fp3, fp4, status); /* B3+T(B5+TB7) */
fp2 = floatx80_mul(fp2, fp1, status); /* T(B4+T(B6+TB8)) */
fp1 = floatx80_mul(fp1, fp3, status); /* T(B3+T(B5+TB7)) */
fp4 = packFloatx80(0, 0x3FFA, LIT64(0xAAAAAAAAAAAAAB5E));
fp4 = packFloatx80(0, 0x3FFA, UINT64_C(0xAAAAAAAAAAAAAB5E));
fp2 = floatx80_add(fp2, fp4, status); /* B2+T(B4+T(B6+TB8)) */
fp1 = floatx80_add(fp1, float32_to_floatx80(
make_float32(0xBF000000), status),
@ -1702,11 +1702,11 @@ floatx80 floatx80_sin(floatx80 a, float_status *status)
fp3 = floatx80_add(fp3, float64_to_floatx80(
make_float64(0xBF2A01A01A018B59), status),
status); /* A3+T(A5+TA7) */
fp4 = packFloatx80(0, 0x3FF8, LIT64(0x88888888888859AF));
fp4 = packFloatx80(0, 0x3FF8, UINT64_C(0x88888888888859AF));
fp2 = floatx80_add(fp2, fp4, status); /* A2+T(A4+TA6) */
fp1 = floatx80_mul(fp1, fp3, status); /* T(A3+T(A5+TA7)) */
fp2 = floatx80_mul(fp2, fp0, status); /* S(A2+T(A4+TA6)) */
fp4 = packFloatx80(1, 0x3FFC, LIT64(0xAAAAAAAAAAAAAA99));
fp4 = packFloatx80(1, 0x3FFC, UINT64_C(0xAAAAAAAAAAAAAA99));
fp1 = floatx80_add(fp1, fp4, status); /* A1+T(A3+T(A5+TA7)) */
fp1 = floatx80_add(fp1, fp2,
status); /* [A1+T(A3+T(A5+TA7))]+
@ -1778,9 +1778,9 @@ floatx80 floatx80_cos(floatx80 a, float_status *status)
fp1 = packFloatx80(0, 0, 0);
if (compact == 0x7FFEFFFF) {
twopi1 = packFloatx80(aSign ^ 1, 0x7FFE,
LIT64(0xC90FDAA200000000));
UINT64_C(0xC90FDAA200000000));
twopi2 = packFloatx80(aSign ^ 1, 0x7FDC,
LIT64(0x85A308D300000000));
UINT64_C(0x85A308D300000000));
fp0 = floatx80_add(fp0, twopi1, status);
fp1 = fp0;
fp0 = floatx80_add(fp0, twopi2, status);
@ -1799,9 +1799,9 @@ floatx80 floatx80_cos(floatx80 a, float_status *status)
endflag = 0;
}
invtwopi = packFloatx80(0, 0x3FFE - l,
LIT64(0xA2F9836E4E44152A)); /* INVTWOPI */
twopi1 = packFloatx80(0, 0x3FFF + l, LIT64(0xC90FDAA200000000));
twopi2 = packFloatx80(0, 0x3FDD + l, LIT64(0x85A308D300000000));
UINT64_C(0xA2F9836E4E44152A)); /* INVTWOPI */
twopi1 = packFloatx80(0, 0x3FFF + l, UINT64_C(0xC90FDAA200000000));
twopi2 = packFloatx80(0, 0x3FDD + l, UINT64_C(0x85A308D300000000));
/* SIGN(INARG)*2^63 IN SGL */
twoto63 = packFloat32(xSign, 0xBE, 0);
@ -1890,11 +1890,11 @@ floatx80 floatx80_cos(floatx80 a, float_status *status)
fp2 = floatx80_add(fp2, float64_to_floatx80(
make_float64(0x3EFA01A01A01D423), status),
status); /* B4+T(B6+TB8) */
fp4 = packFloatx80(1, 0x3FF5, LIT64(0xB60B60B60B61D438));
fp4 = packFloatx80(1, 0x3FF5, UINT64_C(0xB60B60B60B61D438));
fp3 = floatx80_add(fp3, fp4, status); /* B3+T(B5+TB7) */
fp2 = floatx80_mul(fp2, fp1, status); /* T(B4+T(B6+TB8)) */
fp1 = floatx80_mul(fp1, fp3, status); /* T(B3+T(B5+TB7)) */
fp4 = packFloatx80(0, 0x3FFA, LIT64(0xAAAAAAAAAAAAAB5E));
fp4 = packFloatx80(0, 0x3FFA, UINT64_C(0xAAAAAAAAAAAAAB5E));
fp2 = floatx80_add(fp2, fp4, status); /* B2+T(B4+T(B6+TB8)) */
fp1 = floatx80_add(fp1, float32_to_floatx80(
make_float32(0xBF000000), status),
@ -1941,11 +1941,11 @@ floatx80 floatx80_cos(floatx80 a, float_status *status)
fp3 = floatx80_add(fp3, float64_to_floatx80(
make_float64(0xBF2A01A01A018B59), status),
status); /* A3+T(A5+TA7) */
fp4 = packFloatx80(0, 0x3FF8, LIT64(0x88888888888859AF));
fp4 = packFloatx80(0, 0x3FF8, UINT64_C(0x88888888888859AF));
fp2 = floatx80_add(fp2, fp4, status); /* A2+T(A4+TA6) */
fp1 = floatx80_mul(fp1, fp3, status); /* T(A3+T(A5+TA7)) */
fp2 = floatx80_mul(fp2, fp0, status); /* S(A2+T(A4+TA6)) */
fp4 = packFloatx80(1, 0x3FFC, LIT64(0xAAAAAAAAAAAAAA99));
fp4 = packFloatx80(1, 0x3FFC, UINT64_C(0xAAAAAAAAAAAAAA99));
fp1 = floatx80_add(fp1, fp4, status); /* A1+T(A3+T(A5+TA7)) */
fp1 = floatx80_add(fp1, fp2, status);
/* [A1+T(A3+T(A5+TA7))]+[S(A2+T(A4+TA6))] */
@ -2114,8 +2114,8 @@ floatx80 floatx80_atan(floatx80 a, float_status *status)
}
}
} else {
aSig &= LIT64(0xF800000000000000);
aSig |= LIT64(0x0400000000000000);
aSig &= UINT64_C(0xF800000000000000);
aSig |= UINT64_C(0x0400000000000000);
xsave = packFloatx80(aSign, aExp, aSig); /* F */
fp0 = a;
fp1 = a; /* X */
@ -2430,7 +2430,7 @@ floatx80 floatx80_etoxm1(floatx80 a, float_status *status)
fp0 = floatx80_mul(fp0, float32_to_floatx80(
make_float32(0xBC317218), status),
status); /* N * L1, L1 = lead(-log2/64) */
l2 = packFloatx80(0, 0x3FDC, LIT64(0x82E308654361C4C6));
l2 = packFloatx80(0, 0x3FDC, UINT64_C(0x82E308654361C4C6));
fp2 = floatx80_mul(fp2, l2, status); /* N * L2, L1+L2 = -log2/64 */
fp0 = floatx80_add(fp0, fp1, status); /* X + N*L1 */
fp0 = floatx80_add(fp0, fp2, status); /* R */
@ -2562,7 +2562,7 @@ floatx80 floatx80_etoxm1(floatx80 a, float_status *status)
fp2 = floatx80_add(fp2, float64_to_floatx80(
make_float64(0x3FA5555555555555), status),
status); /* B3 */
fp3 = packFloatx80(0, 0x3FFC, LIT64(0xAAAAAAAAAAAAAAAB));
fp3 = packFloatx80(0, 0x3FFC, UINT64_C(0xAAAAAAAAAAAAAAAB));
fp1 = floatx80_add(fp1, fp3, status); /* B2 */
fp2 = floatx80_mul(fp2, fp0, status);
fp1 = floatx80_mul(fp1, fp0, status);

2
target/microblaze/cpu.c
View file

@ -28,7 +28,7 @@
#include "hw/qdev-properties.h"
#include "migration/vmstate.h"
#include "exec/exec-all.h"
#include "fpu/softfloat.h"
#include "fpu/softfloat-helpers.h"
static const struct {
const char *name;

8
target/mips/cpu.h
View file

@ -5,7 +5,7 @@
#include "cpu-qom.h"
#include "exec/cpu-defs.h"
#include "fpu/softfloat.h"
#include "fpu/softfloat-types.h"
#include "mips-defs.h"
#define TCG_GUEST_DEFAULT_MO (0)
@ -1195,12 +1195,6 @@ void itc_reconfigure(struct MIPSITUState *tag);
/* helper.c */
target_ulong exception_resume_pc(CPUMIPSState *env);
static inline void restore_snan_bit_mode(CPUMIPSState *env)
{
set_snan_bit_is_one((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) == 0,
&env->active_fpu.fp_status);
}
static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, target_ulong *pc,
target_ulong *cs_base, uint32_t *flags)
{

7
target/mips/internal.h
View file

@ -7,6 +7,7 @@
#ifndef MIPS_INTERNAL_H
#define MIPS_INTERNAL_H
#include "fpu/softfloat-helpers.h"
/* MMU types, the first four entries have the same layout as the
CP0C0_MT field. */
@ -226,6 +227,12 @@ static inline void restore_flush_mode(CPUMIPSState *env)
&env->active_fpu.fp_status);
}
static inline void restore_snan_bit_mode(CPUMIPSState *env)
{
set_snan_bit_is_one((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) == 0,
&env->active_fpu.fp_status);
}
static inline void restore_fp_status(CPUMIPSState *env)
{
restore_rounding_mode(env);

1
target/mips/msa_helper.c
View file

@ -22,6 +22,7 @@
#include "internal.h"
#include "exec/exec-all.h"
#include "exec/helper-proto.h"
#include "fpu/softfloat.h"
/* Data format min and max values */
#define DF_BITS(df) (1 << ((df) + 3))

1
target/mips/op_helper.c
View file

@ -25,6 +25,7 @@
#include "exec/exec-all.h"
#include "exec/cpu_ldst.h"
#include "sysemu/kvm.h"
#include "fpu/softfloat.h"
/*****************************************************************************/
/* Exceptions processing helpers */

1
target/riscv/cpu.c
View file

@ -27,6 +27,7 @@
#include "qemu/error-report.h"
#include "hw/qdev-properties.h"
#include "migration/vmstate.h"
#include "fpu/softfloat-helpers.h"
/* RISC-V CPU definitions */

2
target/riscv/cpu.h
View file

@ -22,7 +22,7 @@
#include "qom/cpu.h"
#include "exec/cpu-defs.h"
#include "fpu/softfloat.h"
#include "fpu/softfloat-types.h"
#define TCG_GUEST_DEFAULT_MO 0

1
target/riscv/fpu_helper.c
View file

@ -21,6 +21,7 @@
#include "qemu/host-utils.h"
#include "exec/exec-all.h"
#include "exec/helper-proto.h"
#include "fpu/softfloat.h"
target_ulong riscv_cpu_get_fflags(CPURISCVState *env)
{

2
target/s390x/cpu.c
View file

@ -42,7 +42,7 @@
#include "sysemu/sysemu.h"
#include "sysemu/tcg.h"
#endif
#include "fpu/softfloat.h"
#include "fpu/softfloat-helpers.h"
#define CR0_RESET 0xE0UL
#define CR14_RESET 0xC2000000UL;

3
target/sh4/cpu.c
View file

@ -25,8 +25,7 @@
#include "cpu.h"
#include "migration/vmstate.h"
#include "exec/exec-all.h"
#include "fpu/softfloat.h"
#include "fpu/softfloat-helpers.h"
static void superh_cpu_set_pc(CPUState *cs, vaddr value)
{

2
target/tricore/helper.c
View file

@ -19,7 +19,7 @@
#include "cpu.h"
#include "exec/exec-all.h"
#include "fpu/softfloat.h"
#include "fpu/softfloat-helpers.h"
#include "qemu/qemu-print.h"
enum {

1
target/unicore32/cpu.c
View file

@ -17,7 +17,6 @@
#include "cpu.h"
#include "migration/vmstate.h"
#include "exec/exec-all.h"
#include "fpu/softfloat.h"
static void uc32_cpu_set_pc(CPUState *cs, vaddr value)
{