mirror of
https://github.com/jart/cosmopolitan.git
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b45d50b690
- Fix build flakes - Polyfill SIGWINCH on Windows - Fix an execve issue on Windows - Make strerror show more information - Improve cmd.exe setup/teardown on Windows - Support bracketed paste mode in Blinkenlights - Show keyboard shortcuts in Blinkenlights status bar - Fixed copy_file_range() and copyfile() w/ zip filesystem - Size optimize GetDosArgv() to keep life.com 12kb in size - Improve Blinkenlights ability to load weird ELF executables - Fix program_executable_name and add GetInterpreterExecutableName - Make Python in tiny mode fail better if docstrings are requested - Update Python test exclusions in tiny* modes such as tinylinux - Add bulletproof unbreakable kprintf() troubleshooting function - Remove "oldskool" keyword from ape.S for virus scanners - Fix issue that caused backtraces to not print sometimes - Improve Blinkenlights serial uart character i/o - Make clock_gettime() not clobber errno on xnu - Improve sha256 cpuid check for old computers - Integrate some bestline linenoise fixes - Show runit process names better in htop - Remove SIGPIPE from ShowCrashReports() - Make realpath() not clobber errno - Avoid attaching GDB on non-Linux - Improve img.com example
26 lines
620 B
C
26 lines
620 B
C
#ifndef COSMOPOLITAN_LIBC_FMT_DIVMOD10_H_
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#define COSMOPOLITAN_LIBC_FMT_DIVMOD10_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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forceinline uint64_t DivMod10(uint64_t x, unsigned *r) {
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#if defined(__STRICT_ANSI__) || !defined(__GNUC__) || \
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(defined(__OPTIMIZE__) && !defined(__OPTIMIZE_SIZE__))
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*r = x % 10;
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return x / 10;
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#else
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uint128_t dw;
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unsigned long long hi, rm;
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dw = x;
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dw *= 0xcccccccccccccccdull;
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hi = dw >> 64;
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hi >>= 3;
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rm = hi;
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rm += rm << 2;
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rm += rm;
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*r = x - rm;
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return hi;
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#endif
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}
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_FMT_DIVMOD10_H_ */
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