forked from OSchip/llvm-project
Dan Gohman
parent
4634b7d4f6
commit
b452d4e9e4
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@ -65,7 +65,7 @@ namespace llvm {
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pow(5, power) is
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power * 815 / (351 * integerPartWidth) + 1
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However, whilst the result may require only this many parts,
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because we are multiplying two values to get it, the
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multiplication may require an extra part with the excess part
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@ -100,15 +100,15 @@ hexDigitValue(unsigned int c)
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unsigned int r;
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r = c - '0';
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if(r <= 9)
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if (r <= 9)
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return r;
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r = c - 'A';
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if(r <= 5)
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if (r <= 5)
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return r + 10;
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r = c - 'a';
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if(r <= 5)
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if (r <= 5)
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return r + 10;
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return -1U;
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@ -116,8 +116,8 @@ hexDigitValue(unsigned int c)
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static inline void
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assertArithmeticOK(const llvm::fltSemantics &semantics) {
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assert(semantics.arithmeticOK
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&& "Compile-time arithmetic does not support these semantics");
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assert(semantics.arithmeticOK &&
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"Compile-time arithmetic does not support these semantics");
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}
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/* Return the value of a decimal exponent of the form
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@ -179,37 +179,37 @@ totalExponent(StringRef::iterator p, StringRef::iterator end,
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assert(p != end && "Exponent has no digits");
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negative = *p == '-';
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if(*p == '-' || *p == '+') {
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if (*p == '-' || *p == '+') {
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p++;
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assert(p != end && "Exponent has no digits");
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}
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unsignedExponent = 0;
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overflow = false;
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for(; p != end; ++p) {
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for (; p != end; ++p) {
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unsigned int value;
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value = decDigitValue(*p);
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assert(value < 10U && "Invalid character in exponent");
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unsignedExponent = unsignedExponent * 10 + value;
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if(unsignedExponent > 65535)
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if (unsignedExponent > 65535)
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overflow = true;
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}
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if(exponentAdjustment > 65535 || exponentAdjustment < -65536)
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if (exponentAdjustment > 65535 || exponentAdjustment < -65536)
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overflow = true;
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if(!overflow) {
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if (!overflow) {
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exponent = unsignedExponent;
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if(negative)
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if (negative)
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exponent = -exponent;
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exponent += exponentAdjustment;
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if(exponent > 65535 || exponent < -65536)
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if (exponent > 65535 || exponent < -65536)
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overflow = true;
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}
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if(overflow)
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if (overflow)
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exponent = negative ? -65536: 65535;
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return exponent;
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@ -221,15 +221,15 @@ skipLeadingZeroesAndAnyDot(StringRef::iterator begin, StringRef::iterator end,
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{
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StringRef::iterator p = begin;
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*dot = end;
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while(*p == '0' && p != end)
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while (*p == '0' && p != end)
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p++;
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if(*p == '.') {
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if (*p == '.') {
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*dot = p++;
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assert(end - begin != 1 && "Significand has no digits");
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while(*p == '0' && p != end)
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while (*p == '0' && p != end)
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p++;
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}
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@ -323,13 +323,13 @@ trailingHexadecimalFraction(StringRef::iterator p, StringRef::iterator end,
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/* If the first trailing digit isn't 0 or 8 we can work out the
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fraction immediately. */
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if(digitValue > 8)
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if (digitValue > 8)
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return lfMoreThanHalf;
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else if(digitValue < 8 && digitValue > 0)
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else if (digitValue < 8 && digitValue > 0)
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return lfLessThanHalf;
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/* Otherwise we need to find the first non-zero digit. */
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while(*p == '0')
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while (*p == '0')
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p++;
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assert(p != end && "Invalid trailing hexadecimal fraction!");
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@ -338,7 +338,7 @@ trailingHexadecimalFraction(StringRef::iterator p, StringRef::iterator end,
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/* If we ran off the end it is exactly zero or one-half, otherwise
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a little more. */
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if(hexDigit == -1U)
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if (hexDigit == -1U)
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return digitValue == 0 ? lfExactlyZero: lfExactlyHalf;
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else
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return digitValue == 0 ? lfLessThanHalf: lfMoreThanHalf;
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@ -356,12 +356,12 @@ lostFractionThroughTruncation(const integerPart *parts,
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lsb = APInt::tcLSB(parts, partCount);
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/* Note this is guaranteed true if bits == 0, or LSB == -1U. */
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if(bits <= lsb)
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if (bits <= lsb)
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return lfExactlyZero;
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if(bits == lsb + 1)
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if (bits == lsb + 1)
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return lfExactlyHalf;
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if(bits <= partCount * integerPartWidth
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&& APInt::tcExtractBit(parts, bits - 1))
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if (bits <= partCount * integerPartWidth &&
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APInt::tcExtractBit(parts, bits - 1))
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return lfMoreThanHalf;
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return lfLessThanHalf;
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@ -385,10 +385,10 @@ static lostFraction
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combineLostFractions(lostFraction moreSignificant,
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lostFraction lessSignificant)
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{
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if(lessSignificant != lfExactlyZero) {
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if(moreSignificant == lfExactlyZero)
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if (lessSignificant != lfExactlyZero) {
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if (moreSignificant == lfExactlyZero)
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moreSignificant = lfLessThanHalf;
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else if(moreSignificant == lfExactlyHalf)
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else if (moreSignificant == lfExactlyHalf)
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moreSignificant = lfMoreThanHalf;
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}
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@ -468,7 +468,7 @@ powerOf5(integerPart *dst, unsigned int power)
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15625, 78125 };
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integerPart pow5s[maxPowerOfFiveParts * 2 + 5];
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pow5s[0] = 78125 * 5;
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unsigned int partsCount[16] = { 1 };
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integerPart scratch[maxPowerOfFiveParts], *p1, *p2, *pow5;
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unsigned int result;
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@ -588,14 +588,14 @@ APFloat::initialize(const fltSemantics *ourSemantics)
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semantics = ourSemantics;
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count = partCount();
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if(count > 1)
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if (count > 1)
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significand.parts = new integerPart[count];
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}
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void
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APFloat::freeSignificand()
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{
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if(partCount() > 1)
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if (partCount() > 1)
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delete [] significand.parts;
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}
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@ -609,7 +609,7 @@ APFloat::assign(const APFloat &rhs)
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exponent = rhs.exponent;
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sign2 = rhs.sign2;
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exponent2 = rhs.exponent2;
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if(category == fcNormal || category == fcNaN)
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if (category == fcNormal || category == fcNaN)
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copySignificand(rhs);
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}
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@ -683,8 +683,8 @@ APFloat APFloat::makeNaN(const fltSemantics &Sem, bool SNaN, bool Negative,
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APFloat &
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APFloat::operator=(const APFloat &rhs)
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{
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if(this != &rhs) {
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if(semantics != rhs.semantics) {
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if (this != &rhs) {
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if (semantics != rhs.semantics) {
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freeSignificand();
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initialize(rhs.semantics);
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}
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@ -881,7 +881,7 @@ APFloat::multiplySignificand(const APFloat &rhs, const APFloat *addend)
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precision = semantics->precision;
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newPartsCount = partCountForBits(precision * 2);
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if(newPartsCount > 4)
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if (newPartsCount > 4)
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fullSignificand = new integerPart[newPartsCount];
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else
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fullSignificand = scratch;
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@ -896,7 +896,7 @@ APFloat::multiplySignificand(const APFloat &rhs, const APFloat *addend)
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omsb = APInt::tcMSB(fullSignificand, newPartsCount) + 1;
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exponent += rhs.exponent;
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if(addend) {
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if (addend) {
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Significand savedSignificand = significand;
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const fltSemantics *savedSemantics = semantics;
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fltSemantics extendedSemantics;
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@ -905,18 +905,17 @@ APFloat::multiplySignificand(const APFloat &rhs, const APFloat *addend)
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/* Normalize our MSB. */
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extendedPrecision = precision + precision - 1;
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if(omsb != extendedPrecision)
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{
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APInt::tcShiftLeft(fullSignificand, newPartsCount,
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extendedPrecision - omsb);
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exponent -= extendedPrecision - omsb;
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}
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if (omsb != extendedPrecision) {
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APInt::tcShiftLeft(fullSignificand, newPartsCount,
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extendedPrecision - omsb);
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exponent -= extendedPrecision - omsb;
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}
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/* Create new semantics. */
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extendedSemantics = *semantics;
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extendedSemantics.precision = extendedPrecision;
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if(newPartsCount == 1)
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if (newPartsCount == 1)
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significand.part = fullSignificand[0];
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else
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significand.parts = fullSignificand;
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@ -928,7 +927,7 @@ APFloat::multiplySignificand(const APFloat &rhs, const APFloat *addend)
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lost_fraction = addOrSubtractSignificand(extendedAddend, false);
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/* Restore our state. */
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if(newPartsCount == 1)
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if (newPartsCount == 1)
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fullSignificand[0] = significand.part;
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significand = savedSignificand;
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semantics = savedSemantics;
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@ -938,7 +937,7 @@ APFloat::multiplySignificand(const APFloat &rhs, const APFloat *addend)
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exponent -= (precision - 1);
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if(omsb > precision) {
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if (omsb > precision) {
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unsigned int bits, significantParts;
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lostFraction lf;
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@ -951,7 +950,7 @@ APFloat::multiplySignificand(const APFloat &rhs, const APFloat *addend)
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APInt::tcAssign(lhsSignificand, fullSignificand, partsCount);
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if(newPartsCount > 4)
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if (newPartsCount > 4)
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delete [] fullSignificand;
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return lost_fraction;
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@ -973,7 +972,7 @@ APFloat::divideSignificand(const APFloat &rhs)
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rhsSignificand = rhs.significandParts();
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partsCount = partCount();
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if(partsCount > 2)
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if (partsCount > 2)
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dividend = new integerPart[partsCount * 2];
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else
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dividend = scratch;
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@ -981,7 +980,7 @@ APFloat::divideSignificand(const APFloat &rhs)
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divisor = dividend + partsCount;
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/* Copy the dividend and divisor as they will be modified in-place. */
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for(i = 0; i < partsCount; i++) {
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for (i = 0; i < partsCount; i++) {
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dividend[i] = lhsSignificand[i];
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divisor[i] = rhsSignificand[i];
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lhsSignificand[i] = 0;
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@ -993,14 +992,14 @@ APFloat::divideSignificand(const APFloat &rhs)
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/* Normalize the divisor. */
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bit = precision - APInt::tcMSB(divisor, partsCount) - 1;
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if(bit) {
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if (bit) {
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exponent += bit;
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APInt::tcShiftLeft(divisor, partsCount, bit);
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}
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/* Normalize the dividend. */
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bit = precision - APInt::tcMSB(dividend, partsCount) - 1;
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if(bit) {
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if (bit) {
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exponent -= bit;
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APInt::tcShiftLeft(dividend, partsCount, bit);
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}
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@ -1008,15 +1007,15 @@ APFloat::divideSignificand(const APFloat &rhs)
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/* Ensure the dividend >= divisor initially for the loop below.
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Incidentally, this means that the division loop below is
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guaranteed to set the integer bit to one. */
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if(APInt::tcCompare(dividend, divisor, partsCount) < 0) {
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if (APInt::tcCompare(dividend, divisor, partsCount) < 0) {
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exponent--;
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APInt::tcShiftLeft(dividend, partsCount, 1);
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assert(APInt::tcCompare(dividend, divisor, partsCount) >= 0);
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}
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/* Long division. */
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for(bit = precision; bit; bit -= 1) {
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if(APInt::tcCompare(dividend, divisor, partsCount) >= 0) {
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for (bit = precision; bit; bit -= 1) {
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if (APInt::tcCompare(dividend, divisor, partsCount) >= 0) {
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APInt::tcSubtract(dividend, divisor, 0, partsCount);
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APInt::tcSetBit(lhsSignificand, bit - 1);
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}
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@ -1027,16 +1026,16 @@ APFloat::divideSignificand(const APFloat &rhs)
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/* Figure out the lost fraction. */
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int cmp = APInt::tcCompare(dividend, divisor, partsCount);
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if(cmp > 0)
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if (cmp > 0)
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lost_fraction = lfMoreThanHalf;
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else if(cmp == 0)
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else if (cmp == 0)
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lost_fraction = lfExactlyHalf;
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else if(APInt::tcIsZero(dividend, partsCount))
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else if (APInt::tcIsZero(dividend, partsCount))
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lost_fraction = lfExactlyZero;
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else
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lost_fraction = lfLessThanHalf;
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if(partsCount > 2)
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if (partsCount > 2)
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delete [] dividend;
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return lost_fraction;
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@ -1072,7 +1071,7 @@ APFloat::shiftSignificandLeft(unsigned int bits)
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{
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assert(bits < semantics->precision);
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if(bits) {
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if (bits) {
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unsigned int partsCount = partCount();
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APInt::tcShiftLeft(significandParts(), partsCount, bits);
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@ -1095,13 +1094,13 @@ APFloat::compareAbsoluteValue(const APFloat &rhs) const
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/* If exponents are equal, do an unsigned bignum comparison of the
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significands. */
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if(compare == 0)
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if (compare == 0)
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compare = APInt::tcCompare(significandParts(), rhs.significandParts(),
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partCount());
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if(compare > 0)
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if (compare > 0)
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return cmpGreaterThan;
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else if(compare < 0)
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else if (compare < 0)
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return cmpLessThan;
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else
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return cmpEqual;
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@ -1113,14 +1112,13 @@ APFloat::opStatus
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APFloat::handleOverflow(roundingMode rounding_mode)
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{
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/* Infinity? */
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if(rounding_mode == rmNearestTiesToEven
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|| rounding_mode == rmNearestTiesToAway
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|| (rounding_mode == rmTowardPositive && !sign)
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|| (rounding_mode == rmTowardNegative && sign))
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{
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category = fcInfinity;
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return (opStatus) (opOverflow | opInexact);
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}
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if (rounding_mode == rmNearestTiesToEven ||
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rounding_mode == rmNearestTiesToAway ||
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(rounding_mode == rmTowardPositive && !sign) ||
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(rounding_mode == rmTowardNegative && sign)) {
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category = fcInfinity;
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return (opStatus) (opOverflow | opInexact);
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}
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/* Otherwise we become the largest finite number. */
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category = fcNormal;
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@ -1155,11 +1153,11 @@ APFloat::roundAwayFromZero(roundingMode rounding_mode,
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return lost_fraction == lfExactlyHalf || lost_fraction == lfMoreThanHalf;
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case rmNearestTiesToEven:
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if(lost_fraction == lfMoreThanHalf)
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if (lost_fraction == lfMoreThanHalf)
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return true;
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/* Our zeroes don't have a significand to test. */
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if(lost_fraction == lfExactlyHalf && category != fcZero)
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if (lost_fraction == lfExactlyHalf && category != fcZero)
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return APInt::tcExtractBit(significandParts(), bit);
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return false;
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@ -1182,13 +1180,13 @@ APFloat::normalize(roundingMode rounding_mode,
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unsigned int omsb; /* One, not zero, based MSB. */
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int exponentChange;
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if(category != fcNormal)
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if (category != fcNormal)
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return opOK;
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/* Before rounding normalize the exponent of fcNormal numbers. */
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omsb = significandMSB() + 1;
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if(omsb) {
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if (omsb) {
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/* OMSB is numbered from 1. We want to place it in the integer
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bit numbered PRECISON if possible, with a compensating change in
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the exponent. */
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@ -1196,16 +1194,16 @@ APFloat::normalize(roundingMode rounding_mode,
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/* If the resulting exponent is too high, overflow according to
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the rounding mode. */
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if(exponent + exponentChange > semantics->maxExponent)
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if (exponent + exponentChange > semantics->maxExponent)
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return handleOverflow(rounding_mode);
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/* Subnormal numbers have exponent minExponent, and their MSB
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is forced based on that. */
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if(exponent + exponentChange < semantics->minExponent)
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if (exponent + exponentChange < semantics->minExponent)
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exponentChange = semantics->minExponent - exponent;
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/* Shifting left is easy as we don't lose precision. */
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if(exponentChange < 0) {
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if (exponentChange < 0) {
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assert(lost_fraction == lfExactlyZero);
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shiftSignificandLeft(-exponentChange);
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@ -1213,7 +1211,7 @@ APFloat::normalize(roundingMode rounding_mode,
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return opOK;
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}
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if(exponentChange > 0) {
|
||||
if (exponentChange > 0) {
|
||||
lostFraction lf;
|
||||
|
||||
/* Shift right and capture any new lost fraction. */
|
||||
|
|
@ -1222,7 +1220,7 @@ APFloat::normalize(roundingMode rounding_mode,
|
|||
lost_fraction = combineLostFractions(lf, lost_fraction);
|
||||
|
||||
/* Keep OMSB up-to-date. */
|
||||
if(omsb > (unsigned) exponentChange)
|
||||
if (omsb > (unsigned) exponentChange)
|
||||
omsb -= exponentChange;
|
||||
else
|
||||
omsb = 0;
|
||||
|
|
@ -1234,28 +1232,28 @@ APFloat::normalize(roundingMode rounding_mode,
|
|||
|
||||
/* As specified in IEEE 754, since we do not trap we do not report
|
||||
underflow for exact results. */
|
||||
if(lost_fraction == lfExactlyZero) {
|
||||
if (lost_fraction == lfExactlyZero) {
|
||||
/* Canonicalize zeroes. */
|
||||
if(omsb == 0)
|
||||
if (omsb == 0)
|
||||
category = fcZero;
|
||||
|
||||
return opOK;
|
||||
}
|
||||
|
||||
/* Increment the significand if we're rounding away from zero. */
|
||||
if(roundAwayFromZero(rounding_mode, lost_fraction, 0)) {
|
||||
if(omsb == 0)
|
||||
if (roundAwayFromZero(rounding_mode, lost_fraction, 0)) {
|
||||
if (omsb == 0)
|
||||
exponent = semantics->minExponent;
|
||||
|
||||
incrementSignificand();
|
||||
omsb = significandMSB() + 1;
|
||||
|
||||
/* Did the significand increment overflow? */
|
||||
if(omsb == (unsigned) semantics->precision + 1) {
|
||||
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. */
|
||||
if(exponent == semantics->maxExponent) {
|
||||
if (exponent == semantics->maxExponent) {
|
||||
category = fcInfinity;
|
||||
|
||||
return (opStatus) (opOverflow | opInexact);
|
||||
|
|
@ -1269,14 +1267,14 @@ APFloat::normalize(roundingMode rounding_mode,
|
|||
|
||||
/* The normal case - we were and are not denormal, and any
|
||||
significand increment above didn't overflow. */
|
||||
if(omsb == semantics->precision)
|
||||
if (omsb == semantics->precision)
|
||||
return opInexact;
|
||||
|
||||
/* We have a non-zero denormal. */
|
||||
assert(omsb < semantics->precision);
|
||||
|
||||
/* Canonicalize zeroes. */
|
||||
if(omsb == 0)
|
||||
if (omsb == 0)
|
||||
category = fcZero;
|
||||
|
||||
/* The fcZero case is a denormal that underflowed to zero. */
|
||||
|
|
@ -1324,7 +1322,7 @@ APFloat::addOrSubtractSpecials(const APFloat &rhs, bool subtract)
|
|||
case convolve(fcInfinity, fcInfinity):
|
||||
/* Differently signed infinities can only be validly
|
||||
subtracted. */
|
||||
if(((sign ^ rhs.sign)!=0) != subtract) {
|
||||
if (((sign ^ rhs.sign)!=0) != subtract) {
|
||||
makeNaN();
|
||||
return opInvalidOp;
|
||||
}
|
||||
|
|
@ -1352,7 +1350,7 @@ APFloat::addOrSubtractSignificand(const APFloat &rhs, bool subtract)
|
|||
bits = exponent - rhs.exponent;
|
||||
|
||||
/* Subtraction is more subtle than one might naively expect. */
|
||||
if(subtract) {
|
||||
if (subtract) {
|
||||
APFloat temp_rhs(rhs);
|
||||
bool reverse;
|
||||
|
||||
|
|
@ -1381,16 +1379,16 @@ APFloat::addOrSubtractSignificand(const APFloat &rhs, bool subtract)
|
|||
|
||||
/* Invert the lost fraction - it was on the RHS and
|
||||
subtracted. */
|
||||
if(lost_fraction == lfLessThanHalf)
|
||||
if (lost_fraction == lfLessThanHalf)
|
||||
lost_fraction = lfMoreThanHalf;
|
||||
else if(lost_fraction == lfMoreThanHalf)
|
||||
else if (lost_fraction == lfMoreThanHalf)
|
||||
lost_fraction = lfLessThanHalf;
|
||||
|
||||
/* The code above is intended to ensure that no borrow is
|
||||
necessary. */
|
||||
assert(!carry);
|
||||
} else {
|
||||
if(bits > 0) {
|
||||
if (bits > 0) {
|
||||
APFloat temp_rhs(rhs);
|
||||
|
||||
lost_fraction = temp_rhs.shiftSignificandRight(bits);
|
||||
|
|
@ -1561,7 +1559,7 @@ APFloat::addOrSubtract(const APFloat &rhs, roundingMode rounding_mode,
|
|||
fs = addOrSubtractSpecials(rhs, subtract);
|
||||
|
||||
/* This return code means it was not a simple case. */
|
||||
if(fs == opDivByZero) {
|
||||
if (fs == opDivByZero) {
|
||||
lostFraction lost_fraction;
|
||||
|
||||
lost_fraction = addOrSubtractSignificand(rhs, subtract);
|
||||
|
|
@ -1574,8 +1572,8 @@ APFloat::addOrSubtract(const APFloat &rhs, roundingMode rounding_mode,
|
|||
/* If two numbers add (exactly) to zero, IEEE 754 decrees it is a
|
||||
positive zero unless rounding to minus infinity, except that
|
||||
adding two like-signed zeroes gives that zero. */
|
||||
if(category == fcZero) {
|
||||
if(rhs.category != fcZero || (sign == rhs.sign) == subtract)
|
||||
if (category == fcZero) {
|
||||
if (rhs.category != fcZero || (sign == rhs.sign) == subtract)
|
||||
sign = (rounding_mode == rmTowardNegative);
|
||||
}
|
||||
|
||||
|
|
@ -1606,10 +1604,10 @@ APFloat::multiply(const APFloat &rhs, roundingMode rounding_mode)
|
|||
sign ^= rhs.sign;
|
||||
fs = multiplySpecials(rhs);
|
||||
|
||||
if(category == fcNormal) {
|
||||
if (category == fcNormal) {
|
||||
lostFraction lost_fraction = multiplySignificand(rhs, 0);
|
||||
fs = normalize(rounding_mode, lost_fraction);
|
||||
if(lost_fraction != lfExactlyZero)
|
||||
if (lost_fraction != lfExactlyZero)
|
||||
fs = (opStatus) (fs | opInexact);
|
||||
}
|
||||
|
||||
|
|
@ -1626,10 +1624,10 @@ APFloat::divide(const APFloat &rhs, roundingMode rounding_mode)
|
|||
sign ^= rhs.sign;
|
||||
fs = divideSpecials(rhs);
|
||||
|
||||
if(category == fcNormal) {
|
||||
if (category == fcNormal) {
|
||||
lostFraction lost_fraction = divideSignificand(rhs);
|
||||
fs = normalize(rounding_mode, lost_fraction);
|
||||
if(lost_fraction != lfExactlyZero)
|
||||
if (lost_fraction != lfExactlyZero)
|
||||
fs = (opStatus) (fs | opInexact);
|
||||
}
|
||||
|
||||
|
|
@ -1673,7 +1671,7 @@ APFloat::remainder(const APFloat &rhs)
|
|||
return fs;
|
||||
}
|
||||
|
||||
/* Normalized llvm frem (C fmod).
|
||||
/* Normalized llvm frem (C fmod).
|
||||
This is not currently correct in all cases. */
|
||||
APFloat::opStatus
|
||||
APFloat::mod(const APFloat &rhs, roundingMode rounding_mode)
|
||||
|
|
@ -1730,20 +1728,20 @@ APFloat::fusedMultiplyAdd(const APFloat &multiplicand,
|
|||
|
||||
/* If and only if all arguments are normal do we need to do an
|
||||
extended-precision calculation. */
|
||||
if(category == fcNormal
|
||||
&& multiplicand.category == fcNormal
|
||||
&& addend.category == fcNormal) {
|
||||
if (category == fcNormal &&
|
||||
multiplicand.category == fcNormal &&
|
||||
addend.category == fcNormal) {
|
||||
lostFraction lost_fraction;
|
||||
|
||||
lost_fraction = multiplySignificand(multiplicand, &addend);
|
||||
fs = normalize(rounding_mode, lost_fraction);
|
||||
if(lost_fraction != lfExactlyZero)
|
||||
if (lost_fraction != lfExactlyZero)
|
||||
fs = (opStatus) (fs | opInexact);
|
||||
|
||||
/* If two numbers add (exactly) to zero, IEEE 754 decrees it is a
|
||||
positive zero unless rounding to minus infinity, except that
|
||||
adding two like-signed zeroes gives that zero. */
|
||||
if(category == fcZero && sign != addend.sign)
|
||||
if (category == fcZero && sign != addend.sign)
|
||||
sign = (rounding_mode == rmTowardNegative);
|
||||
} else {
|
||||
fs = multiplySpecials(multiplicand);
|
||||
|
|
@ -1755,7 +1753,7 @@ APFloat::fusedMultiplyAdd(const APFloat &multiplicand,
|
|||
|
||||
If we need to do the addition we can do so with normal
|
||||
precision. */
|
||||
if(fs == opOK)
|
||||
if (fs == opOK)
|
||||
fs = addOrSubtract(addend, rounding_mode, false);
|
||||
}
|
||||
|
||||
|
|
@ -1787,7 +1785,7 @@ APFloat::compare(const APFloat &rhs) const
|
|||
case convolve(fcInfinity, fcNormal):
|
||||
case convolve(fcInfinity, fcZero):
|
||||
case convolve(fcNormal, fcZero):
|
||||
if(sign)
|
||||
if (sign)
|
||||
return cmpLessThan;
|
||||
else
|
||||
return cmpGreaterThan;
|
||||
|
|
@ -1795,15 +1793,15 @@ APFloat::compare(const APFloat &rhs) const
|
|||
case convolve(fcNormal, fcInfinity):
|
||||
case convolve(fcZero, fcInfinity):
|
||||
case convolve(fcZero, fcNormal):
|
||||
if(rhs.sign)
|
||||
if (rhs.sign)
|
||||
return cmpGreaterThan;
|
||||
else
|
||||
return cmpLessThan;
|
||||
|
||||
case convolve(fcInfinity, fcInfinity):
|
||||
if(sign == rhs.sign)
|
||||
if (sign == rhs.sign)
|
||||
return cmpEqual;
|
||||
else if(sign)
|
||||
else if (sign)
|
||||
return cmpLessThan;
|
||||
else
|
||||
return cmpGreaterThan;
|
||||
|
|
@ -1816,8 +1814,8 @@ APFloat::compare(const APFloat &rhs) const
|
|||
}
|
||||
|
||||
/* Two normal numbers. Do they have the same sign? */
|
||||
if(sign != rhs.sign) {
|
||||
if(sign)
|
||||
if (sign != rhs.sign) {
|
||||
if (sign)
|
||||
result = cmpLessThan;
|
||||
else
|
||||
result = cmpGreaterThan;
|
||||
|
|
@ -1825,10 +1823,10 @@ APFloat::compare(const APFloat &rhs) const
|
|||
/* Compare absolute values; invert result if negative. */
|
||||
result = compareAbsoluteValue(rhs);
|
||||
|
||||
if(sign) {
|
||||
if(result == cmpLessThan)
|
||||
if (sign) {
|
||||
if (result == cmpLessThan)
|
||||
result = cmpGreaterThan;
|
||||
else if(result == cmpGreaterThan)
|
||||
else if (result == cmpGreaterThan)
|
||||
result = cmpLessThan;
|
||||
}
|
||||
}
|
||||
|
|
@ -1886,7 +1884,7 @@ APFloat::convert(const fltSemantics &toSemantics,
|
|||
}
|
||||
}
|
||||
|
||||
if(category == fcNormal) {
|
||||
if (category == fcNormal) {
|
||||
/* Re-interpret our bit-pattern. */
|
||||
exponent += toSemantics.precision - semantics->precision;
|
||||
semantics = &toSemantics;
|
||||
|
|
@ -1911,7 +1909,7 @@ APFloat::convert(const fltSemantics &toSemantics,
|
|||
// x87 long double).
|
||||
if (APInt::tcLSB(significandParts(), newPartCount) < ushift)
|
||||
*losesInfo = true;
|
||||
if (oldSemantics == &APFloat::x87DoubleExtended &&
|
||||
if (oldSemantics == &APFloat::x87DoubleExtended &&
|
||||
(!(*significandParts() & 0x8000000000000000ULL) ||
|
||||
!(*significandParts() & 0x4000000000000000ULL)))
|
||||
*losesInfo = true;
|
||||
|
|
@ -1956,12 +1954,12 @@ APFloat::convertToSignExtendedInteger(integerPart *parts, unsigned int width,
|
|||
*isExact = false;
|
||||
|
||||
/* Handle the three special cases first. */
|
||||
if(category == fcInfinity || category == fcNaN)
|
||||
if (category == fcInfinity || category == fcNaN)
|
||||
return opInvalidOp;
|
||||
|
||||
dstPartsCount = partCountForBits(width);
|
||||
|
||||
if(category == fcZero) {
|
||||
if (category == fcZero) {
|
||||
APInt::tcSet(parts, 0, dstPartsCount);
|
||||
// Negative zero can't be represented as an int.
|
||||
*isExact = !sign;
|
||||
|
|
@ -2004,8 +2002,8 @@ APFloat::convertToSignExtendedInteger(integerPart *parts, unsigned int width,
|
|||
if (truncatedBits) {
|
||||
lost_fraction = lostFractionThroughTruncation(src, partCount(),
|
||||
truncatedBits);
|
||||
if (lost_fraction != lfExactlyZero
|
||||
&& roundAwayFromZero(rounding_mode, lost_fraction, truncatedBits)) {
|
||||
if (lost_fraction != lfExactlyZero &&
|
||||
roundAwayFromZero(rounding_mode, lost_fraction, truncatedBits)) {
|
||||
if (APInt::tcIncrement(parts, dstPartsCount))
|
||||
return opInvalidOp; /* Overflow. */
|
||||
}
|
||||
|
|
@ -2062,7 +2060,7 @@ APFloat::convertToInteger(integerPart *parts, unsigned int width,
|
|||
{
|
||||
opStatus fs;
|
||||
|
||||
fs = convertToSignExtendedInteger(parts, width, isSigned, rounding_mode,
|
||||
fs = convertToSignExtendedInteger(parts, width, isSigned, rounding_mode,
|
||||
isExact);
|
||||
|
||||
if (fs == opInvalidOp) {
|
||||
|
|
@ -2149,8 +2147,8 @@ APFloat::convertFromSignExtendedInteger(const integerPart *src,
|
|||
opStatus status;
|
||||
|
||||
assertArithmeticOK(*semantics);
|
||||
if (isSigned
|
||||
&& APInt::tcExtractBit(src, srcCount * integerPartWidth - 1)) {
|
||||
if (isSigned &&
|
||||
APInt::tcExtractBit(src, srcCount * integerPartWidth - 1)) {
|
||||
integerPart *copy;
|
||||
|
||||
/* If we're signed and negative negate a copy. */
|
||||
|
|
@ -2178,7 +2176,7 @@ APFloat::convertFromZeroExtendedInteger(const integerPart *parts,
|
|||
APInt api = APInt(width, partCount, parts);
|
||||
|
||||
sign = false;
|
||||
if(isSigned && APInt::tcExtractBit(parts, width - 1)) {
|
||||
if (isSigned && APInt::tcExtractBit(parts, width - 1)) {
|
||||
sign = true;
|
||||
api = -api;
|
||||
}
|
||||
|
|
@ -2209,10 +2207,10 @@ APFloat::convertFromHexadecimalString(const StringRef &s,
|
|||
StringRef::iterator p = skipLeadingZeroesAndAnyDot(begin, end, &dot);
|
||||
firstSignificantDigit = p;
|
||||
|
||||
for(; p != end;) {
|
||||
for (; p != end;) {
|
||||
integerPart hex_value;
|
||||
|
||||
if(*p == '.') {
|
||||
if (*p == '.') {
|
||||
assert(dot == end && "String contains multiple dots");
|
||||
dot = p++;
|
||||
if (p == end) {
|
||||
|
|
@ -2221,7 +2219,7 @@ APFloat::convertFromHexadecimalString(const StringRef &s,
|
|||
}
|
||||
|
||||
hex_value = hexDigitValue(*p);
|
||||
if(hex_value == -1U) {
|
||||
if (hex_value == -1U) {
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
@ -2231,13 +2229,13 @@ APFloat::convertFromHexadecimalString(const StringRef &s,
|
|||
break;
|
||||
} else {
|
||||
/* Store the number whilst 4-bit nibbles remain. */
|
||||
if(bitPos) {
|
||||
if (bitPos) {
|
||||
bitPos -= 4;
|
||||
hex_value <<= bitPos % integerPartWidth;
|
||||
significand[bitPos / integerPartWidth] |= hex_value;
|
||||
} else {
|
||||
lost_fraction = trailingHexadecimalFraction(p, end, hex_value);
|
||||
while(p != end && hexDigitValue(*p) != -1U)
|
||||
while (p != end && hexDigitValue(*p) != -1U)
|
||||
p++;
|
||||
break;
|
||||
}
|
||||
|
|
@ -2251,7 +2249,7 @@ APFloat::convertFromHexadecimalString(const StringRef &s,
|
|||
assert((dot == end || p - begin != 1) && "Significand has no digits");
|
||||
|
||||
/* Ignore the exponent if we are zero. */
|
||||
if(p != firstSignificantDigit) {
|
||||
if (p != firstSignificantDigit) {
|
||||
int expAdjustment;
|
||||
|
||||
/* Implicit hexadecimal point? */
|
||||
|
|
@ -2261,7 +2259,7 @@ APFloat::convertFromHexadecimalString(const StringRef &s,
|
|||
/* Calculate the exponent adjustment implicit in the number of
|
||||
significant digits. */
|
||||
expAdjustment = static_cast<int>(dot - firstSignificantDigit);
|
||||
if(expAdjustment < 0)
|
||||
if (expAdjustment < 0)
|
||||
expAdjustment++;
|
||||
expAdjustment = expAdjustment * 4 - 1;
|
||||
|
||||
|
|
@ -2287,8 +2285,8 @@ APFloat::roundSignificandWithExponent(const integerPart *decSigParts,
|
|||
integerPart pow5Parts[maxPowerOfFiveParts];
|
||||
bool isNearest;
|
||||
|
||||
isNearest = (rounding_mode == rmNearestTiesToEven
|
||||
|| rounding_mode == rmNearestTiesToAway);
|
||||
isNearest = (rounding_mode == rmNearestTiesToEven ||
|
||||
rounding_mode == rmNearestTiesToAway);
|
||||
|
||||
parts = partCountForBits(semantics->precision + 11);
|
||||
|
||||
|
|
@ -2482,13 +2480,13 @@ APFloat::convertFromString(const StringRef &str, roundingMode rounding_mode)
|
|||
StringRef::iterator p = str.begin();
|
||||
size_t slen = str.size();
|
||||
sign = *p == '-' ? 1 : 0;
|
||||
if(*p == '-' || *p == '+') {
|
||||
if (*p == '-' || *p == '+') {
|
||||
p++;
|
||||
slen--;
|
||||
assert(slen && "String has no digits");
|
||||
}
|
||||
|
||||
if(slen >= 2 && p[0] == '0' && (p[1] == 'x' || p[1] == 'X')) {
|
||||
if (slen >= 2 && p[0] == '0' && (p[1] == 'x' || p[1] == 'X')) {
|
||||
assert(slen - 2 && "Invalid string");
|
||||
return convertFromHexadecimalString(StringRef(p + 2, slen - 2),
|
||||
rounding_mode);
|
||||
|
|
@ -3013,7 +3011,7 @@ APFloat::initFromPPCDoubleDoubleAPInt(const APInt &api)
|
|||
// exponent2 and significand2 are required to be 0; we don't check
|
||||
category = fcInfinity;
|
||||
} else if (myexponent==0x7ff && mysignificand!=0) {
|
||||
// exponent meaningless. So is the whole second word, but keep it
|
||||
// exponent meaningless. So is the whole second word, but keep it
|
||||
// for determinism.
|
||||
category = fcNaN;
|
||||
exponent2 = myexponent2;
|
||||
|
|
@ -3031,7 +3029,7 @@ APFloat::initFromPPCDoubleDoubleAPInt(const APInt &api)
|
|||
exponent = -1022;
|
||||
else
|
||||
significandParts()[0] |= 0x10000000000000LL; // integer bit
|
||||
if (myexponent2==0)
|
||||
if (myexponent2==0)
|
||||
exponent2 = -1022;
|
||||
else
|
||||
significandParts()[1] |= 0x10000000000000LL; // integer bit
|
||||
|
|
@ -3217,8 +3215,8 @@ APFloat APFloat::getLargest(const fltSemantics &Sem, bool Negative) {
|
|||
significand[i] = ~((integerPart) 0);
|
||||
|
||||
// ...and then clear the top bits for internal consistency.
|
||||
significand[N-1]
|
||||
&= (((integerPart) 1) << ((Sem.precision % integerPartWidth) - 1)) - 1;
|
||||
significand[N-1] &=
|
||||
(((integerPart) 1) << ((Sem.precision % integerPartWidth) - 1)) - 1;
|
||||
|
||||
return Val;
|
||||
}
|
||||
|
|
@ -3247,8 +3245,8 @@ APFloat APFloat::getSmallestNormalized(const fltSemantics &Sem, bool Negative) {
|
|||
|
||||
Val.exponent = Sem.minExponent;
|
||||
Val.zeroSignificand();
|
||||
Val.significandParts()[partCountForBits(Sem.precision)-1]
|
||||
|= (((integerPart) 1) << ((Sem.precision % integerPartWidth) - 1));
|
||||
Val.significandParts()[partCountForBits(Sem.precision)-1] |=
|
||||
(((integerPart) 1) << ((Sem.precision % integerPartWidth) - 1));
|
||||
|
||||
return Val;
|
||||
}
|
||||
|
|
@ -3433,7 +3431,7 @@ void APFloat::toString(SmallVectorImpl<char> &Str,
|
|||
// log2(N * 5^e) == log2(N) + e * log2(5)
|
||||
// <= semantics->precision + e * 137 / 59
|
||||
// (log_2(5) ~ 2.321928 < 2.322034 ~ 137/59)
|
||||
|
||||
|
||||
unsigned precision = semantics->precision + 137 * texp / 59;
|
||||
|
||||
// Multiply significand by 5^e.
|
||||
|
|
@ -3442,7 +3440,7 @@ void APFloat::toString(SmallVectorImpl<char> &Str,
|
|||
APInt five_to_the_i(precision, 5);
|
||||
while (true) {
|
||||
if (texp & 1) significand *= five_to_the_i;
|
||||
|
||||
|
||||
texp >>= 1;
|
||||
if (!texp) break;
|
||||
five_to_the_i *= five_to_the_i;
|
||||
|
|
|
|||
|
|
@ -702,15 +702,14 @@ static inline uint32_t hashword(const uint64_t *k64, size_t length)
|
|||
a = b = c = 0xdeadbeef + (((uint32_t)length)<<2);
|
||||
|
||||
/*------------------------------------------------- handle most of the key */
|
||||
while (length > 3)
|
||||
{
|
||||
a += k[0];
|
||||
b += k[1];
|
||||
c += k[2];
|
||||
mix(a,b,c);
|
||||
length -= 3;
|
||||
k += 3;
|
||||
}
|
||||
while (length > 3) {
|
||||
a += k[0];
|
||||
b += k[1];
|
||||
c += k[2];
|
||||
mix(a,b,c);
|
||||
length -= 3;
|
||||
k += 3;
|
||||
}
|
||||
|
||||
/*------------------------------------------- handle the last 3 uint32_t's */
|
||||
switch (length) { /* all the case statements fall through */
|
||||
|
|
@ -2065,8 +2064,8 @@ void APInt::fromString(unsigned numbits, const StringRef& str, uint8_t radix) {
|
|||
assert((slen <= numbits || radix != 2) && "Insufficient bit width");
|
||||
assert(((slen-1)*3 <= numbits || radix != 8) && "Insufficient bit width");
|
||||
assert(((slen-1)*4 <= numbits || radix != 16) && "Insufficient bit width");
|
||||
assert((((slen-1)*64)/22 <= numbits || radix != 10)
|
||||
&& "Insufficient bit width");
|
||||
assert((((slen-1)*64)/22 <= numbits || radix != 10) &&
|
||||
"Insufficient bit width");
|
||||
|
||||
// Allocate memory
|
||||
if (!isSingleWord())
|
||||
|
|
@ -2229,7 +2228,7 @@ namespace {
|
|||
static inline integerPart
|
||||
lowBitMask(unsigned int bits)
|
||||
{
|
||||
assert (bits != 0 && bits <= integerPartWidth);
|
||||
assert(bits != 0 && bits <= integerPartWidth);
|
||||
|
||||
return ~(integerPart) 0 >> (integerPartWidth - bits);
|
||||
}
|
||||
|
|
@ -2306,10 +2305,10 @@ APInt::tcSet(integerPart *dst, integerPart part, unsigned int parts)
|
|||
{
|
||||
unsigned int i;
|
||||
|
||||
assert (parts > 0);
|
||||
assert(parts > 0);
|
||||
|
||||
dst[0] = part;
|
||||
for(i = 1; i < parts; i++)
|
||||
for (i = 1; i < parts; i++)
|
||||
dst[i] = 0;
|
||||
}
|
||||
|
||||
|
|
@ -2319,7 +2318,7 @@ APInt::tcAssign(integerPart *dst, const integerPart *src, unsigned int parts)
|
|||
{
|
||||
unsigned int i;
|
||||
|
||||
for(i = 0; i < parts; i++)
|
||||
for (i = 0; i < parts; i++)
|
||||
dst[i] = src[i];
|
||||
}
|
||||
|
||||
|
|
@ -2329,7 +2328,7 @@ APInt::tcIsZero(const integerPart *src, unsigned int parts)
|
|||
{
|
||||
unsigned int i;
|
||||
|
||||
for(i = 0; i < parts; i++)
|
||||
for (i = 0; i < parts; i++)
|
||||
if (src[i])
|
||||
return false;
|
||||
|
||||
|
|
@ -2340,8 +2339,8 @@ APInt::tcIsZero(const integerPart *src, unsigned int parts)
|
|||
int
|
||||
APInt::tcExtractBit(const integerPart *parts, unsigned int bit)
|
||||
{
|
||||
return(parts[bit / integerPartWidth]
|
||||
& ((integerPart) 1 << bit % integerPartWidth)) != 0;
|
||||
return (parts[bit / integerPartWidth] &
|
||||
((integerPart) 1 << bit % integerPartWidth)) != 0;
|
||||
}
|
||||
|
||||
/* Set the given bit of a bignum. */
|
||||
|
|
@ -2366,7 +2365,7 @@ APInt::tcLSB(const integerPart *parts, unsigned int n)
|
|||
{
|
||||
unsigned int i, lsb;
|
||||
|
||||
for(i = 0; i < n; i++) {
|
||||
for (i = 0; i < n; i++) {
|
||||
if (parts[i] != 0) {
|
||||
lsb = partLSB(parts[i]);
|
||||
|
||||
|
|
@ -2385,13 +2384,13 @@ APInt::tcMSB(const integerPart *parts, unsigned int n)
|
|||
unsigned int msb;
|
||||
|
||||
do {
|
||||
--n;
|
||||
--n;
|
||||
|
||||
if (parts[n] != 0) {
|
||||
msb = partMSB(parts[n]);
|
||||
if (parts[n] != 0) {
|
||||
msb = partMSB(parts[n]);
|
||||
|
||||
return msb + n * integerPartWidth;
|
||||
}
|
||||
return msb + n * integerPartWidth;
|
||||
}
|
||||
} while (n);
|
||||
|
||||
return -1U;
|
||||
|
|
@ -2408,7 +2407,7 @@ APInt::tcExtract(integerPart *dst, unsigned int dstCount,const integerPart *src,
|
|||
unsigned int firstSrcPart, dstParts, shift, n;
|
||||
|
||||
dstParts = (srcBits + integerPartWidth - 1) / integerPartWidth;
|
||||
assert (dstParts <= dstCount);
|
||||
assert(dstParts <= dstCount);
|
||||
|
||||
firstSrcPart = srcLSB / integerPartWidth;
|
||||
tcAssign (dst, src + firstSrcPart, dstParts);
|
||||
|
|
@ -2443,7 +2442,7 @@ APInt::tcAdd(integerPart *dst, const integerPart *rhs,
|
|||
|
||||
assert(c <= 1);
|
||||
|
||||
for(i = 0; i < parts; i++) {
|
||||
for (i = 0; i < parts; i++) {
|
||||
integerPart l;
|
||||
|
||||
l = dst[i];
|
||||
|
|
@ -2468,7 +2467,7 @@ APInt::tcSubtract(integerPart *dst, const integerPart *rhs,
|
|||
|
||||
assert(c <= 1);
|
||||
|
||||
for(i = 0; i < parts; i++) {
|
||||
for (i = 0; i < parts; i++) {
|
||||
integerPart l;
|
||||
|
||||
l = dst[i];
|
||||
|
|
@ -2518,7 +2517,7 @@ APInt::tcMultiplyPart(integerPart *dst, const integerPart *src,
|
|||
/* N loops; minimum of dstParts and srcParts. */
|
||||
n = dstParts < srcParts ? dstParts: srcParts;
|
||||
|
||||
for(i = 0; i < n; i++) {
|
||||
for (i = 0; i < n; i++) {
|
||||
integerPart low, mid, high, srcPart;
|
||||
|
||||
/* [ LOW, HIGH ] = MULTIPLIER * SRC[i] + DST[i] + CARRY.
|
||||
|
|
@ -2583,7 +2582,7 @@ APInt::tcMultiplyPart(integerPart *dst, const integerPart *src,
|
|||
non-zero. This is true if any remaining src parts are non-zero
|
||||
and the multiplier is non-zero. */
|
||||
if (multiplier)
|
||||
for(; i < srcParts; i++)
|
||||
for (; i < srcParts; i++)
|
||||
if (src[i])
|
||||
return 1;
|
||||
|
||||
|
|
@ -2608,7 +2607,7 @@ APInt::tcMultiply(integerPart *dst, const integerPart *lhs,
|
|||
overflow = 0;
|
||||
tcSet(dst, 0, parts);
|
||||
|
||||
for(i = 0; i < parts; i++)
|
||||
for (i = 0; i < parts; i++)
|
||||
overflow |= tcMultiplyPart(&dst[i], lhs, rhs[i], 0, parts,
|
||||
parts - i, true);
|
||||
|
||||
|
|
@ -2634,7 +2633,7 @@ APInt::tcFullMultiply(integerPart *dst, const integerPart *lhs,
|
|||
|
||||
tcSet(dst, 0, rhsParts);
|
||||
|
||||
for(n = 0; n < lhsParts; n++)
|
||||
for (n = 0; n < lhsParts; n++)
|
||||
tcMultiplyPart(&dst[n], rhs, lhs[n], 0, rhsParts, rhsParts + 1, true);
|
||||
|
||||
n = lhsParts + rhsParts;
|
||||
|
|
@ -2678,7 +2677,7 @@ APInt::tcDivide(integerPart *lhs, const integerPart *rhs,
|
|||
|
||||
/* Loop, subtracting SRHS if REMAINDER is greater and adding that to
|
||||
the total. */
|
||||
for(;;) {
|
||||
for (;;) {
|
||||
int compare;
|
||||
|
||||
compare = tcCompare(remainder, srhs, parts);
|
||||
|
|
@ -2746,7 +2745,7 @@ APInt::tcShiftRight(integerPart *dst, unsigned int parts, unsigned int count)
|
|||
|
||||
/* Perform the shift. This leaves the most significant COUNT bits
|
||||
of the result at zero. */
|
||||
for(i = 0; i < parts; i++) {
|
||||
for (i = 0; i < parts; i++) {
|
||||
integerPart part;
|
||||
|
||||
if (i + jump >= parts) {
|
||||
|
|
@ -2771,7 +2770,7 @@ APInt::tcAnd(integerPart *dst, const integerPart *rhs, unsigned int parts)
|
|||
{
|
||||
unsigned int i;
|
||||
|
||||
for(i = 0; i < parts; i++)
|
||||
for (i = 0; i < parts; i++)
|
||||
dst[i] &= rhs[i];
|
||||
}
|
||||
|
||||
|
|
@ -2781,7 +2780,7 @@ APInt::tcOr(integerPart *dst, const integerPart *rhs, unsigned int parts)
|
|||
{
|
||||
unsigned int i;
|
||||
|
||||
for(i = 0; i < parts; i++)
|
||||
for (i = 0; i < parts; i++)
|
||||
dst[i] |= rhs[i];
|
||||
}
|
||||
|
||||
|
|
@ -2791,7 +2790,7 @@ APInt::tcXor(integerPart *dst, const integerPart *rhs, unsigned int parts)
|
|||
{
|
||||
unsigned int i;
|
||||
|
||||
for(i = 0; i < parts; i++)
|
||||
for (i = 0; i < parts; i++)
|
||||
dst[i] ^= rhs[i];
|
||||
}
|
||||
|
||||
|
|
@ -2801,7 +2800,7 @@ APInt::tcComplement(integerPart *dst, unsigned int parts)
|
|||
{
|
||||
unsigned int i;
|
||||
|
||||
for(i = 0; i < parts; i++)
|
||||
for (i = 0; i < parts; i++)
|
||||
dst[i] = ~dst[i];
|
||||
}
|
||||
|
||||
|
|
@ -2830,7 +2829,7 @@ APInt::tcIncrement(integerPart *dst, unsigned int parts)
|
|||
{
|
||||
unsigned int i;
|
||||
|
||||
for(i = 0; i < parts; i++)
|
||||
for (i = 0; i < parts; i++)
|
||||
if (++dst[i] != 0)
|
||||
break;
|
||||
|
||||
|
|
|
|||
|
|
@ -676,8 +676,8 @@ void cl::ParseCommandLineOptions(int argc, char **argv,
|
|||
<< " positional arguments: See: " << argv[0] << " -help\n";
|
||||
|
||||
ErrorParsing = true;
|
||||
} else if (!HasUnlimitedPositionals
|
||||
&& PositionalVals.size() > PositionalOpts.size()) {
|
||||
} else if (!HasUnlimitedPositionals &&
|
||||
PositionalVals.size() > PositionalOpts.size()) {
|
||||
errs() << ProgramName
|
||||
<< ": Too many positional arguments specified!\n"
|
||||
<< "Can specify at most " << PositionalOpts.size()
|
||||
|
|
|
|||
|
|
@ -64,8 +64,7 @@ DebugOnly("debug-only", cl::desc("Enable a specific type of debug output"),
|
|||
cl::location(DebugOnlyOptLoc), cl::ValueRequired);
|
||||
|
||||
// Signal handlers - dump debug output on termination.
|
||||
static void debug_user_sig_handler(void *Cookie)
|
||||
{
|
||||
static void debug_user_sig_handler(void *Cookie) {
|
||||
// This is a bit sneaky. Since this is under #ifndef NDEBUG, we
|
||||
// know that debug mode is enabled and dbgs() really is a
|
||||
// circular_raw_ostream. If NDEBUG is defined, then dbgs() ==
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@
|
|||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// This file defines an API for error handling, it supersedes cerr+abort(), and
|
||||
// This file defines an API for error handling, it supersedes cerr+abort(), and
|
||||
// cerr+exit() style error handling.
|
||||
// Callbacks can be registered for these errors through this API.
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
|
@ -57,7 +57,7 @@ void llvm_report_error(const Twine &reason) {
|
|||
exit(1);
|
||||
}
|
||||
|
||||
void llvm_unreachable_internal(const char *msg, const char *file,
|
||||
void llvm_unreachable_internal(const char *msg, const char *file,
|
||||
unsigned line) {
|
||||
// This code intentionally doesn't call the ErrorHandler callback, because
|
||||
// llvm_unreachable is intended to be used to indicate "impossible"
|
||||
|
|
@ -71,4 +71,3 @@ void llvm_unreachable_internal(const char *msg, const char *file,
|
|||
abort();
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -81,9 +81,9 @@ void raw_ostream::SetBuffered() {
|
|||
SetUnbuffered();
|
||||
}
|
||||
|
||||
void raw_ostream::SetBufferAndMode(char *BufferStart, size_t Size,
|
||||
void raw_ostream::SetBufferAndMode(char *BufferStart, size_t Size,
|
||||
BufferKind Mode) {
|
||||
assert(((Mode == Unbuffered && BufferStart == 0 && Size == 0) ||
|
||||
assert(((Mode == Unbuffered && BufferStart == 0 && Size == 0) ||
|
||||
(Mode != Unbuffered && BufferStart && Size)) &&
|
||||
"stream must be unbuffered or have at least one byte");
|
||||
// Make sure the current buffer is free of content (we can't flush here; the
|
||||
|
|
@ -104,11 +104,11 @@ raw_ostream &raw_ostream::operator<<(unsigned long N) {
|
|||
// Zero is a special case.
|
||||
if (N == 0)
|
||||
return *this << '0';
|
||||
|
||||
|
||||
char NumberBuffer[20];
|
||||
char *EndPtr = NumberBuffer+sizeof(NumberBuffer);
|
||||
char *CurPtr = EndPtr;
|
||||
|
||||
|
||||
while (N) {
|
||||
*--CurPtr = '0' + char(N % 10);
|
||||
N /= 10;
|
||||
|
|
@ -121,7 +121,7 @@ raw_ostream &raw_ostream::operator<<(long N) {
|
|||
*this << '-';
|
||||
N = -N;
|
||||
}
|
||||
|
||||
|
||||
return this->operator<<(static_cast<unsigned long>(N));
|
||||
}
|
||||
|
||||
|
|
@ -133,7 +133,7 @@ raw_ostream &raw_ostream::operator<<(unsigned long long N) {
|
|||
char NumberBuffer[20];
|
||||
char *EndPtr = NumberBuffer+sizeof(NumberBuffer);
|
||||
char *CurPtr = EndPtr;
|
||||
|
||||
|
||||
while (N) {
|
||||
*--CurPtr = '0' + char(N % 10);
|
||||
N /= 10;
|
||||
|
|
@ -146,7 +146,7 @@ raw_ostream &raw_ostream::operator<<(long long N) {
|
|||
*this << '-';
|
||||
N = -N;
|
||||
}
|
||||
|
||||
|
||||
return this->operator<<(static_cast<unsigned long long>(N));
|
||||
}
|
||||
|
||||
|
|
@ -297,33 +297,33 @@ raw_ostream &raw_ostream::operator<<(const format_object_base &Fmt) {
|
|||
size_t BufferBytesLeft = OutBufEnd - OutBufCur;
|
||||
if (BufferBytesLeft > 3) {
|
||||
size_t BytesUsed = Fmt.print(OutBufCur, BufferBytesLeft);
|
||||
|
||||
|
||||
// Common case is that we have plenty of space.
|
||||
if (BytesUsed <= BufferBytesLeft) {
|
||||
OutBufCur += BytesUsed;
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
// Otherwise, we overflowed and the return value tells us the size to try
|
||||
// again with.
|
||||
NextBufferSize = BytesUsed;
|
||||
}
|
||||
|
||||
|
||||
// If we got here, we didn't have enough space in the output buffer for the
|
||||
// string. Try printing into a SmallVector that is resized to have enough
|
||||
// space. Iterate until we win.
|
||||
SmallVector<char, 128> V;
|
||||
|
||||
|
||||
while (1) {
|
||||
V.resize(NextBufferSize);
|
||||
|
||||
|
||||
// Try formatting into the SmallVector.
|
||||
size_t BytesUsed = Fmt.print(V.data(), NextBufferSize);
|
||||
|
||||
|
||||
// If BytesUsed fit into the vector, we win.
|
||||
if (BytesUsed <= NextBufferSize)
|
||||
return write(V.data(), BytesUsed);
|
||||
|
||||
|
||||
// Otherwise, try again with a new size.
|
||||
assert(BytesUsed > NextBufferSize && "Didn't grow buffer!?");
|
||||
NextBufferSize = BytesUsed;
|
||||
|
|
@ -339,7 +339,7 @@ raw_ostream &raw_ostream::indent(unsigned NumSpaces) {
|
|||
// Usually the indentation is small, handle it with a fastpath.
|
||||
if (NumSpaces < array_lengthof(Spaces))
|
||||
return write(Spaces, NumSpaces);
|
||||
|
||||
|
||||
while (NumSpaces) {
|
||||
unsigned NumToWrite = std::min(NumSpaces,
|
||||
(unsigned)array_lengthof(Spaces)-1);
|
||||
|
|
@ -372,7 +372,7 @@ raw_fd_ostream::raw_fd_ostream(const char *Filename, std::string &ErrorInfo,
|
|||
// Verify that we don't have both "append" and "excl".
|
||||
assert((!(Flags & F_Excl) || !(Flags & F_Append)) &&
|
||||
"Cannot specify both 'excl' and 'append' file creation flags!");
|
||||
|
||||
|
||||
ErrorInfo.clear();
|
||||
|
||||
// Handle "-" as stdout.
|
||||
|
|
@ -385,20 +385,20 @@ raw_fd_ostream::raw_fd_ostream(const char *Filename, std::string &ErrorInfo,
|
|||
ShouldClose = false;
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
int OpenFlags = O_WRONLY|O_CREAT;
|
||||
#ifdef O_BINARY
|
||||
if (Flags & F_Binary)
|
||||
OpenFlags |= O_BINARY;
|
||||
#endif
|
||||
|
||||
|
||||
if (Flags & F_Append)
|
||||
OpenFlags |= O_APPEND;
|
||||
else
|
||||
OpenFlags |= O_TRUNC;
|
||||
if (Flags & F_Excl)
|
||||
OpenFlags |= O_EXCL;
|
||||
|
||||
|
||||
FD = open(Filename, OpenFlags, 0664);
|
||||
if (FD < 0) {
|
||||
ErrorInfo = "Error opening output file '" + std::string(Filename) + "'";
|
||||
|
|
@ -418,14 +418,14 @@ raw_fd_ostream::~raw_fd_ostream() {
|
|||
|
||||
|
||||
void raw_fd_ostream::write_impl(const char *Ptr, size_t Size) {
|
||||
assert (FD >= 0 && "File already closed.");
|
||||
assert(FD >= 0 && "File already closed.");
|
||||
pos += Size;
|
||||
if (::write(FD, Ptr, Size) != (ssize_t) Size)
|
||||
error_detected();
|
||||
}
|
||||
|
||||
void raw_fd_ostream::close() {
|
||||
assert (ShouldClose);
|
||||
assert(ShouldClose);
|
||||
ShouldClose = false;
|
||||
flush();
|
||||
if (::close(FD) != 0)
|
||||
|
|
@ -438,7 +438,7 @@ uint64_t raw_fd_ostream::seek(uint64_t off) {
|
|||
pos = ::lseek(FD, off, SEEK_SET);
|
||||
if (pos != off)
|
||||
error_detected();
|
||||
return pos;
|
||||
return pos;
|
||||
}
|
||||
|
||||
size_t raw_fd_ostream::preferred_buffer_size() const {
|
||||
|
|
@ -447,7 +447,7 @@ size_t raw_fd_ostream::preferred_buffer_size() const {
|
|||
struct stat statbuf;
|
||||
if (fstat(FD, &statbuf) != 0)
|
||||
return 0;
|
||||
|
||||
|
||||
// If this is a terminal, don't use buffering. Line buffering
|
||||
// would be a more traditional thing to do, but it's not worth
|
||||
// the complexity.
|
||||
|
|
|
|||
Loading…
Reference in New Issue