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Use 64-bit integers inside Stopwatch to enable longer timings.

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This commit is contained in:
Andreas Kling 2019-03-21 13:36:40 +01:00
parent 0114c61cf1
commit 9dfcd95cd7
5 changed files with 155 additions and 25 deletions
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54
AK/printf.cpp
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@ -1,6 +1,7 @@
typedef unsigned char byte;
typedef unsigned short word;
typedef unsigned int dword;
typedef long long unsigned int qword;
[[gnu::always_inline]] inline size_t strlen(const char* str)
{
@ -12,8 +13,8 @@ typedef unsigned int dword;
static constexpr const char* h = "0123456789abcdef";
template<typename PutChFunc>
[[gnu::always_inline]] inline int print_hex(PutChFunc putch, char*& bufptr, dword number, byte fields)
template<typename PutChFunc, typename T>
[[gnu::always_inline]] inline int print_hex(PutChFunc putch, char*& bufptr, T number, byte fields)
{
int ret = 0;
byte shr_count = fields * 4;
@ -66,6 +67,47 @@ template<typename PutChFunc>
return fieldWidth;
}
template<typename PutChFunc>
[[gnu::always_inline]] inline int print_qword(PutChFunc putch, char*& bufptr, qword number, bool leftPad, bool zeroPad, dword fieldWidth)
{
qword divisor = 10000000000000000000LLU;
char ch;
char padding = 1;
char buf[16];
char* p = buf;
for (;;) {
ch = '0' + (number / divisor);
number %= divisor;
if (ch != '0')
padding = 0;
if (!padding || divisor == 1)
*(p++) = ch;
if (divisor == 1)
break;
divisor /= 10;
}
size_t numlen = p - buf;
if (!fieldWidth || fieldWidth < numlen)
fieldWidth = numlen;
if (!leftPad) {
for (unsigned i = 0; i < fieldWidth - numlen; ++i) {
putch(bufptr, zeroPad ? '0' : ' ');
}
}
for (unsigned i = 0; i < numlen; ++i) {
putch(bufptr, buf[i]);
}
if (leftPad) {
for (unsigned i = 0; i < fieldWidth - numlen; ++i) {
putch(bufptr, ' ');
}
}
return fieldWidth;
}
template<typename PutChFunc>
[[gnu::always_inline]] inline int print_octal_number(PutChFunc putch, char*& bufptr, dword number, bool leftPad, bool zeroPad, dword fieldWidth)
{
@ -191,6 +233,14 @@ one_more:
ret += print_number(putch, bufptr, va_arg(ap, dword), leftPad, zeroPad, fieldWidth);
break;
case 'Q':
ret += print_qword(putch, bufptr, va_arg(ap, qword), leftPad, zeroPad, fieldWidth);
break;
case 'q':
ret += print_hex(putch, bufptr, va_arg(ap, qword), 16);
break;
case 'f':
// FIXME: Print as float!
ret += print_number(putch, bufptr, (int)va_arg(ap, double), leftPad, zeroPad, fieldWidth);