zig/lib/libc/mingw/math/x86/fucom.c
Andrew Kelley 49d1a4c562 move lib dirs to lib subdir
also start prefering NtDll API. so far:
 * NtQueryInformationFile
 * NtClose

adds a performance workaround for windows unicode conversion. but that
should probably be removed before merging
2019-07-15 17:54:50 -04:00

19 lines
477 B
C

/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
int __fp_unordered_compare (long double x, long double y);
int
__fp_unordered_compare (long double x, long double y){
unsigned short retval;
__asm__ __volatile__ (
"fucom %%st(1);"
"fnstsw;"
: "=a" (retval)
: "t" (x), "u" (y)
);
return retval;
}