mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-27 15:57:13 +00:00
Whitespace and compiler warning cleanup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42373 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Neil Booth
parent
ff11026575
commit
4f88170be0
@ -113,12 +113,12 @@ namespace {
|
||||
|
||||
value = digitValue(*p);
|
||||
if(value == -1U)
|
||||
break;
|
||||
break;
|
||||
|
||||
p++;
|
||||
unsignedExponent = unsignedExponent * 10 + value;
|
||||
if(unsignedExponent > 65535)
|
||||
overflow = true;
|
||||
overflow = true;
|
||||
}
|
||||
|
||||
if(exponentAdjustment > 65535 || exponentAdjustment < -65536)
|
||||
@ -127,10 +127,10 @@ namespace {
|
||||
if(!overflow) {
|
||||
exponent = unsignedExponent;
|
||||
if(negative)
|
||||
exponent = -exponent;
|
||||
exponent = -exponent;
|
||||
exponent += exponentAdjustment;
|
||||
if(exponent > 65535 || exponent < -65536)
|
||||
overflow = true;
|
||||
overflow = true;
|
||||
}
|
||||
|
||||
if(overflow)
|
||||
@ -149,7 +149,7 @@ namespace {
|
||||
if(*p == '.') {
|
||||
*dot = p++;
|
||||
while(*p == '0')
|
||||
p++;
|
||||
p++;
|
||||
}
|
||||
|
||||
return p;
|
||||
@ -187,8 +187,8 @@ namespace {
|
||||
/* Return the fraction lost were a bignum truncated. */
|
||||
lostFraction
|
||||
lostFractionThroughTruncation(integerPart *parts,
|
||||
unsigned int partCount,
|
||||
unsigned int bits)
|
||||
unsigned int partCount,
|
||||
unsigned int bits)
|
||||
{
|
||||
unsigned int lsb;
|
||||
|
||||
@ -258,7 +258,7 @@ APFloat::copySignificand(const APFloat &rhs)
|
||||
assert(rhs.partCount() >= partCount());
|
||||
|
||||
APInt::tcAssign(significandParts(), rhs.significandParts(),
|
||||
partCount());
|
||||
partCount());
|
||||
}
|
||||
|
||||
APFloat &
|
||||
@ -310,7 +310,7 @@ APFloat::APFloat(const fltSemantics &ourSemantics, integerPart value)
|
||||
}
|
||||
|
||||
APFloat::APFloat(const fltSemantics &ourSemantics,
|
||||
fltCategory ourCategory, bool negative)
|
||||
fltCategory ourCategory, bool negative)
|
||||
{
|
||||
initialize(&ourSemantics);
|
||||
category = ourCategory;
|
||||
@ -368,7 +368,7 @@ APFloat::significandParts()
|
||||
/* Combine the effect of two lost fractions. */
|
||||
lostFraction
|
||||
APFloat::combineLostFractions(lostFraction moreSignificant,
|
||||
lostFraction lessSignificant)
|
||||
lostFraction lessSignificant)
|
||||
{
|
||||
if(lessSignificant != lfExactlyZero) {
|
||||
if(moreSignificant == lfExactlyZero)
|
||||
@ -426,7 +426,7 @@ APFloat::subtractSignificand(const APFloat &rhs, integerPart borrow)
|
||||
assert(exponent == rhs.exponent);
|
||||
|
||||
return APInt::tcSubtract(parts, rhs.significandParts(), borrow,
|
||||
partCount());
|
||||
partCount());
|
||||
}
|
||||
|
||||
/* Multiply the significand of the RHS. If ADDEND is non-NULL, add it
|
||||
@ -435,7 +435,7 @@ APFloat::subtractSignificand(const APFloat &rhs, integerPart borrow)
|
||||
lostFraction
|
||||
APFloat::multiplySignificand(const APFloat &rhs, const APFloat *addend)
|
||||
{
|
||||
unsigned int omsb; // One, not zero, based MSB.
|
||||
unsigned int omsb; // One, not zero, based MSB.
|
||||
unsigned int partsCount, newPartsCount, precision;
|
||||
integerPart *lhsSignificand;
|
||||
integerPart scratch[4];
|
||||
@ -456,7 +456,7 @@ APFloat::multiplySignificand(const APFloat &rhs, const APFloat *addend)
|
||||
partsCount = partCount();
|
||||
|
||||
APInt::tcFullMultiply(fullSignificand, lhsSignificand,
|
||||
rhs.significandParts(), partsCount);
|
||||
rhs.significandParts(), partsCount);
|
||||
|
||||
lost_fraction = lfExactlyZero;
|
||||
omsb = APInt::tcMSB(fullSignificand, newPartsCount) + 1;
|
||||
@ -473,9 +473,9 @@ APFloat::multiplySignificand(const APFloat &rhs, const APFloat *addend)
|
||||
extendedPrecision = precision + precision - 1;
|
||||
if(omsb != extendedPrecision)
|
||||
{
|
||||
APInt::tcShiftLeft(fullSignificand, newPartsCount,
|
||||
extendedPrecision - omsb);
|
||||
exponent -= extendedPrecision - omsb;
|
||||
APInt::tcShiftLeft(fullSignificand, newPartsCount,
|
||||
extendedPrecision - omsb);
|
||||
exponent -= extendedPrecision - omsb;
|
||||
}
|
||||
|
||||
/* Create new semantics. */
|
||||
@ -660,7 +660,7 @@ APFloat::compareAbsoluteValue(const APFloat &rhs) const
|
||||
significands. */
|
||||
if(compare == 0)
|
||||
compare = APInt::tcCompare(significandParts(), rhs.significandParts(),
|
||||
partCount());
|
||||
partCount());
|
||||
|
||||
if(compare > 0)
|
||||
return cmpGreaterThan;
|
||||
@ -689,7 +689,7 @@ APFloat::handleOverflow(roundingMode rounding_mode)
|
||||
category = fcNormal;
|
||||
exponent = semantics->maxExponent;
|
||||
APInt::tcSetLeastSignificantBits(significandParts(), partCount(),
|
||||
semantics->precision);
|
||||
semantics->precision);
|
||||
|
||||
return opInexact;
|
||||
}
|
||||
@ -698,7 +698,7 @@ APFloat::handleOverflow(roundingMode rounding_mode)
|
||||
numbers. */
|
||||
bool
|
||||
APFloat::roundAwayFromZero(roundingMode rounding_mode,
|
||||
lostFraction lost_fraction)
|
||||
lostFraction lost_fraction)
|
||||
{
|
||||
/* NaNs and infinities should not have lost fractions. */
|
||||
assert(category == fcNormal || category == fcZero);
|
||||
@ -736,9 +736,9 @@ APFloat::roundAwayFromZero(roundingMode rounding_mode,
|
||||
|
||||
APFloat::opStatus
|
||||
APFloat::normalize(roundingMode rounding_mode,
|
||||
lostFraction lost_fraction)
|
||||
lostFraction lost_fraction)
|
||||
{
|
||||
unsigned int omsb; /* One, not zero, based MSB. */
|
||||
unsigned int omsb; /* One, not zero, based MSB. */
|
||||
int exponentChange;
|
||||
|
||||
if(category != fcNormal)
|
||||
@ -782,9 +782,9 @@ APFloat::normalize(roundingMode rounding_mode,
|
||||
|
||||
/* Keep OMSB up-to-date. */
|
||||
if(omsb > (unsigned) exponentChange)
|
||||
omsb -= (unsigned) exponentChange;
|
||||
omsb -= (unsigned) exponentChange;
|
||||
else
|
||||
omsb = 0;
|
||||
omsb = 0;
|
||||
}
|
||||
}
|
||||
|
||||
@ -812,12 +812,12 @@ APFloat::normalize(roundingMode rounding_mode,
|
||||
/* Did the significand increment overflow? */
|
||||
if(omsb == (unsigned) semantics->precision + 1) {
|
||||
/* Renormalize by incrementing the exponent and shifting our
|
||||
significand right one. However if we already have the
|
||||
maximum exponent we overflow to infinity. */
|
||||
significand right one. However if we already have the
|
||||
maximum exponent we overflow to infinity. */
|
||||
if(exponent == semantics->maxExponent) {
|
||||
category = fcInfinity;
|
||||
category = fcInfinity;
|
||||
|
||||
return (opStatus) (opOverflow | opInexact);
|
||||
return (opStatus) (opOverflow | opInexact);
|
||||
}
|
||||
|
||||
shiftSignificandRight(1);
|
||||
@ -933,12 +933,12 @@ APFloat::addOrSubtractSignificand(const APFloat &rhs, bool subtract)
|
||||
|
||||
if (reverse) {
|
||||
carry = temp_rhs.subtractSignificand
|
||||
(*this, lost_fraction != lfExactlyZero);
|
||||
(*this, lost_fraction != lfExactlyZero);
|
||||
copySignificand(temp_rhs);
|
||||
sign = !sign;
|
||||
} else {
|
||||
carry = subtractSignificand
|
||||
(temp_rhs, lost_fraction != lfExactlyZero);
|
||||
(temp_rhs, lost_fraction != lfExactlyZero);
|
||||
}
|
||||
|
||||
/* Invert the lost fraction - it was on the RHS and
|
||||
@ -1082,7 +1082,7 @@ APFloat::copySign(const APFloat &rhs)
|
||||
/* Normalized addition or subtraction. */
|
||||
APFloat::opStatus
|
||||
APFloat::addOrSubtract(const APFloat &rhs, roundingMode rounding_mode,
|
||||
bool subtract)
|
||||
bool subtract)
|
||||
{
|
||||
opStatus fs;
|
||||
|
||||
@ -1175,12 +1175,12 @@ APFloat::mod(const APFloat &rhs, roundingMode rounding_mode)
|
||||
|
||||
int parts = partCount();
|
||||
integerPart *x = new integerPart[parts];
|
||||
fs = V.convertToInteger(x, parts * integerPartWidth, true,
|
||||
fs = V.convertToInteger(x, parts * integerPartWidth, true,
|
||||
rmNearestTiesToEven);
|
||||
if (fs==opInvalidOp)
|
||||
return fs;
|
||||
|
||||
fs = V.convertFromInteger(x, parts * integerPartWidth, true,
|
||||
fs = V.convertFromInteger(x, parts * integerPartWidth, true,
|
||||
rmNearestTiesToEven);
|
||||
assert(fs==opOK); // should always work
|
||||
|
||||
@ -1199,8 +1199,8 @@ APFloat::mod(const APFloat &rhs, roundingMode rounding_mode)
|
||||
/* Normalized fused-multiply-add. */
|
||||
APFloat::opStatus
|
||||
APFloat::fusedMultiplyAdd(const APFloat &multiplicand,
|
||||
const APFloat &addend,
|
||||
roundingMode rounding_mode)
|
||||
const APFloat &addend,
|
||||
roundingMode rounding_mode)
|
||||
{
|
||||
opStatus fs;
|
||||
|
||||
@ -1305,9 +1305,9 @@ APFloat::compare(const APFloat &rhs) const
|
||||
|
||||
if(sign) {
|
||||
if(result == cmpLessThan)
|
||||
result = cmpGreaterThan;
|
||||
result = cmpGreaterThan;
|
||||
else if(result == cmpGreaterThan)
|
||||
result = cmpLessThan;
|
||||
result = cmpLessThan;
|
||||
}
|
||||
}
|
||||
|
||||
@ -1316,12 +1316,12 @@ APFloat::compare(const APFloat &rhs) const
|
||||
|
||||
APFloat::opStatus
|
||||
APFloat::convert(const fltSemantics &toSemantics,
|
||||
roundingMode rounding_mode)
|
||||
roundingMode rounding_mode)
|
||||
{
|
||||
lostFraction lostFraction;
|
||||
unsigned int newPartCount, oldPartCount;
|
||||
opStatus fs;
|
||||
|
||||
|
||||
lostFraction = lfExactlyZero;
|
||||
newPartCount = partCountForBits(toSemantics.precision + 1);
|
||||
oldPartCount = partCount();
|
||||
@ -1348,7 +1348,7 @@ APFloat::convert(const fltSemantics &toSemantics,
|
||||
(significandParts(), oldPartCount, toSemantics.precision);
|
||||
if (newPartCount == 1) {
|
||||
integerPart newPart = 0;
|
||||
if (category==fcNormal || category==fcNaN)
|
||||
if (category==fcNormal || category==fcNaN)
|
||||
newPart = significandParts()[0];
|
||||
freeSignificand();
|
||||
significand.part = newPart;
|
||||
@ -1392,8 +1392,8 @@ APFloat::convert(const fltSemantics &toSemantics,
|
||||
round-to-zero to always be used. */
|
||||
APFloat::opStatus
|
||||
APFloat::convertToInteger(integerPart *parts, unsigned int width,
|
||||
bool isSigned,
|
||||
roundingMode rounding_mode) const
|
||||
bool isSigned,
|
||||
roundingMode rounding_mode) const
|
||||
{
|
||||
lostFraction lost_fraction;
|
||||
unsigned int msb, partsCount;
|
||||
@ -1463,7 +1463,7 @@ APFloat::convertToInteger(integerPart *parts, unsigned int width,
|
||||
/* It takes exponent + 1 bits to represent the truncated floating
|
||||
point number without its sign. We lose a bit for the sign, but
|
||||
the maximally negative integer is a special case. */
|
||||
if(msb + 1 > width) /* !! Not same as msb >= width !! */
|
||||
if(msb + 1 > width) /* !! Not same as msb >= width !! */
|
||||
return opInvalidOp;
|
||||
|
||||
if(isSigned && msb + 1 == width
|
||||
@ -1483,8 +1483,8 @@ APFloat::convertToInteger(integerPart *parts, unsigned int width,
|
||||
|
||||
APFloat::opStatus
|
||||
APFloat::convertFromUnsignedInteger(integerPart *parts,
|
||||
unsigned int partCount,
|
||||
roundingMode rounding_mode)
|
||||
unsigned int partCount,
|
||||
roundingMode rounding_mode)
|
||||
{
|
||||
unsigned int msb, precision;
|
||||
lostFraction lost_fraction;
|
||||
@ -1510,8 +1510,8 @@ APFloat::convertFromUnsignedInteger(integerPart *parts,
|
||||
}
|
||||
|
||||
APFloat::opStatus
|
||||
APFloat::convertFromInteger(const integerPart *parts, unsigned int width,
|
||||
bool isSigned, roundingMode rounding_mode)
|
||||
APFloat::convertFromInteger(const integerPart *parts, unsigned int width,
|
||||
bool isSigned, roundingMode rounding_mode)
|
||||
{
|
||||
unsigned int partCount = partCountForBits(width);
|
||||
opStatus status;
|
||||
@ -1539,7 +1539,7 @@ APFloat::convertFromInteger(const integerPart *parts, unsigned int width,
|
||||
|
||||
APFloat::opStatus
|
||||
APFloat::convertFromHexadecimalString(const char *p,
|
||||
roundingMode rounding_mode)
|
||||
roundingMode rounding_mode)
|
||||
{
|
||||
lostFraction lost_fraction;
|
||||
integerPart *significand;
|
||||
@ -1582,7 +1582,7 @@ APFloat::convertFromHexadecimalString(const char *p,
|
||||
} else {
|
||||
lost_fraction = trailingHexadecimalFraction(p, hex_value);
|
||||
while(hexDigitValue(*p) != -1U)
|
||||
p++;
|
||||
p++;
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -1618,7 +1618,8 @@ APFloat::convertFromHexadecimalString(const char *p,
|
||||
}
|
||||
|
||||
APFloat::opStatus
|
||||
APFloat::convertFromString(const char *p, roundingMode rounding_mode) {
|
||||
APFloat::convertFromString(const char *p, roundingMode rounding_mode)
|
||||
{
|
||||
/* Handle a leading minus sign. */
|
||||
if(*p == '-')
|
||||
sign = 1, p++;
|
||||
@ -1635,7 +1636,8 @@ APFloat::convertFromString(const char *p, roundingMode rounding_mode) {
|
||||
// For good performance it is desirable for different APFloats
|
||||
// to produce different integers.
|
||||
uint32_t
|
||||
APFloat::getHashValue() const {
|
||||
APFloat::getHashValue() const
|
||||
{
|
||||
if (category==fcZero) return sign<<8 | semantics->precision ;
|
||||
else if (category==fcInfinity) return sign<<9 | semantics->precision;
|
||||
else if (category==fcNaN) return 1<<10 | semantics->precision;
|
||||
@ -1658,7 +1660,8 @@ APFloat::getHashValue() const {
|
||||
// the actual IEEE respresentations. We compensate for that here.
|
||||
|
||||
APInt
|
||||
APFloat::convertF80LongDoubleAPFloatToAPInt() const {
|
||||
APFloat::convertF80LongDoubleAPFloatToAPInt() const
|
||||
{
|
||||
assert(semantics == (const llvm::fltSemantics* const)&x87DoubleExtended);
|
||||
assert (partCount()==2);
|
||||
|
||||
@ -1682,8 +1685,8 @@ APFloat::convertF80LongDoubleAPFloatToAPInt() const {
|
||||
assert(0);
|
||||
|
||||
uint64_t words[2];
|
||||
words[0] = (((uint64_t)sign & 1) << 63) |
|
||||
((myexponent & 0x7fff) << 48) |
|
||||
words[0] = (((uint64_t)sign & 1) << 63) |
|
||||
((myexponent & 0x7fff) << 48) |
|
||||
((mysignificand >>16) & 0xffffffffffffLL);
|
||||
words[1] = mysignificand & 0xffff;
|
||||
APInt api(80, 2, words);
|
||||
@ -1691,7 +1694,8 @@ APFloat::convertF80LongDoubleAPFloatToAPInt() const {
|
||||
}
|
||||
|
||||
APInt
|
||||
APFloat::convertDoubleAPFloatToAPInt() const {
|
||||
APFloat::convertDoubleAPFloatToAPInt() const
|
||||
{
|
||||
assert(semantics == (const llvm::fltSemantics*)&IEEEdouble);
|
||||
assert (partCount()==1);
|
||||
|
||||
@ -1714,17 +1718,18 @@ APFloat::convertDoubleAPFloatToAPInt() const {
|
||||
} else
|
||||
assert(0);
|
||||
|
||||
APInt api(64, (((((uint64_t)sign & 1) << 63) |
|
||||
((myexponent & 0x7ff) << 52) |
|
||||
APInt api(64, (((((uint64_t)sign & 1) << 63) |
|
||||
((myexponent & 0x7ff) << 52) |
|
||||
(mysignificand & 0xfffffffffffffLL))));
|
||||
return api;
|
||||
}
|
||||
|
||||
APInt
|
||||
APFloat::convertFloatAPFloatToAPInt() const {
|
||||
APFloat::convertFloatAPFloatToAPInt() const
|
||||
{
|
||||
assert(semantics == (const llvm::fltSemantics*)&IEEEsingle);
|
||||
assert (partCount()==1);
|
||||
|
||||
|
||||
uint32_t myexponent, mysignificand;
|
||||
|
||||
if (category==fcNormal) {
|
||||
@ -1744,32 +1749,36 @@ APFloat::convertFloatAPFloatToAPInt() const {
|
||||
} else
|
||||
assert(0);
|
||||
|
||||
APInt api(32, (((sign&1) << 31) | ((myexponent&0xff) << 23) |
|
||||
APInt api(32, (((sign&1) << 31) | ((myexponent&0xff) << 23) |
|
||||
(mysignificand & 0x7fffff)));
|
||||
return api;
|
||||
}
|
||||
|
||||
APInt
|
||||
APFloat::convertToAPInt() const {
|
||||
APFloat::convertToAPInt() const
|
||||
{
|
||||
if (semantics == (const llvm::fltSemantics* const)&IEEEsingle)
|
||||
return convertFloatAPFloatToAPInt();
|
||||
else if (semantics == (const llvm::fltSemantics* const)&IEEEdouble)
|
||||
return convertDoubleAPFloatToAPInt();
|
||||
else if (semantics == (const llvm::fltSemantics* const)&x87DoubleExtended)
|
||||
return convertF80LongDoubleAPFloatToAPInt();
|
||||
else
|
||||
assert(0);
|
||||
|
||||
assert(0);
|
||||
abort();
|
||||
}
|
||||
|
||||
float
|
||||
APFloat::convertToFloat() const {
|
||||
float
|
||||
APFloat::convertToFloat() const
|
||||
{
|
||||
assert(semantics == (const llvm::fltSemantics* const)&IEEEsingle);
|
||||
APInt api = convertToAPInt();
|
||||
return api.bitsToFloat();
|
||||
}
|
||||
|
||||
double
|
||||
APFloat::convertToDouble() const {
|
||||
double
|
||||
APFloat::convertToDouble() const
|
||||
{
|
||||
assert(semantics == (const llvm::fltSemantics* const)&IEEEdouble);
|
||||
APInt api = convertToAPInt();
|
||||
return api.bitsToDouble();
|
||||
@ -1781,7 +1790,8 @@ APFloat::convertToDouble() const {
|
||||
/// exponent = 0, integer bit set. (formerly "psuedodenormals")
|
||||
/// exponent!=0 nor all 1's, integer bit not set. (formerly "unnormals")
|
||||
void
|
||||
APFloat::initFromF80LongDoubleAPInt(const APInt &api) {
|
||||
APFloat::initFromF80LongDoubleAPInt(const APInt &api)
|
||||
{
|
||||
assert(api.getBitWidth()==80);
|
||||
uint64_t i1 = api.getRawData()[0];
|
||||
uint64_t i2 = api.getRawData()[1];
|
||||
@ -1811,11 +1821,12 @@ APFloat::initFromF80LongDoubleAPInt(const APInt &api) {
|
||||
significandParts()[1] = 0;
|
||||
if (myexponent==0) // denormal
|
||||
exponent = -16382;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
APFloat::initFromDoubleAPInt(const APInt &api) {
|
||||
APFloat::initFromDoubleAPInt(const APInt &api)
|
||||
{
|
||||
assert(api.getBitWidth()==64);
|
||||
uint64_t i = *api.getRawData();
|
||||
uint64_t myexponent = (i >> 52) & 0x7ff;
|
||||
@ -1843,11 +1854,12 @@ APFloat::initFromDoubleAPInt(const APInt &api) {
|
||||
exponent = -1022;
|
||||
else
|
||||
*significandParts() |= 0x10000000000000LL; // integer bit
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
APFloat::initFromFloatAPInt(const APInt & api) {
|
||||
APFloat::initFromFloatAPInt(const APInt & api)
|
||||
{
|
||||
assert(api.getBitWidth()==32);
|
||||
uint32_t i = (uint32_t)*api.getRawData();
|
||||
uint32_t myexponent = (i >> 23) & 0xff;
|
||||
@ -1883,7 +1895,8 @@ APFloat::initFromFloatAPInt(const APInt & api) {
|
||||
/// breaks when we get to PPC128 and IEEE128 (but both cannot exist in the
|
||||
/// same compile...)
|
||||
void
|
||||
APFloat::initFromAPInt(const APInt& api) {
|
||||
APFloat::initFromAPInt(const APInt& api)
|
||||
{
|
||||
if (api.getBitWidth() == 32)
|
||||
return initFromFloatAPInt(api);
|
||||
else if (api.getBitWidth()==64)
|
||||
@ -1894,17 +1907,19 @@ APFloat::initFromAPInt(const APInt& api) {
|
||||
assert(0);
|
||||
}
|
||||
|
||||
APFloat::APFloat(const APInt& api) {
|
||||
APFloat::APFloat(const APInt& api)
|
||||
{
|
||||
initFromAPInt(api);
|
||||
}
|
||||
|
||||
APFloat::APFloat(float f) {
|
||||
APFloat::APFloat(float f)
|
||||
{
|
||||
APInt api = APInt(32, 0);
|
||||
initFromAPInt(api.floatToBits(f));
|
||||
}
|
||||
|
||||
APFloat::APFloat(double d) {
|
||||
APFloat::APFloat(double d)
|
||||
{
|
||||
APInt api = APInt(64, 0);
|
||||
initFromAPInt(api.doubleToBits(d));
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user