static uint32_t scalarArithmeticOp(ArithmeticOp operation, uint32_t value1, uint32_t value2)
{
switch (operation)
{
case OP_OR: return value1 | value2;
case OP_AND: return value1 & value2;
case OP_XOR: return value1 ^ value2;
case OP_ADD_I: return value1 + value2;
case OP_SUB_I: return value1 - value2;
case OP_MULL_I: return value1 * value2;
case OP_MULH_U: return ((uint64_t)value1 * (uint64_t)value2) >> 32;
case OP_ASHR: return ((int32_t)value1) >> (value2 & 31);
case OP_SHR: return value1 >> (value2 & 31);
case OP_SHL: return value1 << (value2 & 31);
case OP_CLZ: return value2 == 0 ? 32 : __builtin_clz(value2);
case OP_CTZ: return value2 == 0 ? 32 : __builtin_ctz(value2);
case OP_MOVE: return value2;
case OP_CMPEQ_I: return value1 == value2;
case OP_CMPNE_I: return value1 != value2;
case OP_CMPGT_I: return (int32_t) value1 > (int32_t) value2;
case OP_CMPGE_I: return (int32_t) value1 >= (int32_t) value2;
case OP_CMPLT_I: return (int32_t) value1 < (int32_t) value2;
case OP_CMPLE_I: return (int32_t) value1 <= (int32_t) value2;
case OP_CMPGT_U: return value1 > value2;
case OP_CMPGE_U: return value1 >= value2;
case OP_CMPLT_U: return value1 < value2;
case OP_CMPLE_U: return value1 <= value2;
case OP_FTOI: return (int32_t) valueAsFloat(value2);
case OP_RECIPROCAL:
{
// Reciprocal only has 6 bits of accuracy
uint32_t result = valueAsInt(1.0 / valueAsFloat(value2 & 0xfffe0000));
if (!isnan(valueAsFloat(result)))
result &= 0xfffe0000; // Truncate, but only if not NaN
return result;
}
case OP_SEXT8: return (int32_t)(int8_t) value2;
case OP_SEXT16: return (int32_t)(int16_t) value2;
case OP_MULH_I: return ((int64_t)(int32_t) value1 * (int64_t)(int32_t) value2) >> 32;
case OP_ADD_F: return valueAsInt(valueAsFloat(value1) + valueAsFloat(value2));
case OP_SUB_F: return valueAsInt(valueAsFloat(value1) - valueAsFloat(value2));
case OP_MUL_F: return valueAsInt(valueAsFloat(value1) * valueAsFloat(value2));
case OP_ITOF: return valueAsInt((float)((int32_t)value2)); // itof
case OP_CMPGT_F: return valueAsFloat(value1) > valueAsFloat(value2);
case OP_CMPGE_F: return valueAsFloat(value1) >= valueAsFloat(value2);
case OP_CMPLT_F: return valueAsFloat(value1) < valueAsFloat(value2);
case OP_CMPLE_F: return valueAsFloat(value1) <= valueAsFloat(value2);
case OP_CMPEQ_F: return valueAsFloat(value1) == valueAsFloat(value2);
case OP_CMPNE_F: return valueAsFloat(value1) != valueAsFloat(value2);
default: return 0;
}
}
int ScXmlStreamAttributes::valueAsInt (const QString& attrName, int min, int max, int def) const
{
int value = valueAsInt(attrName, def);
return qMin(max, qMax(value, min));
}
