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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libm/] [machine/] [i386/] [f_lrintf.c] - Rev 158
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/* * ==================================================== * x87 FP implementation contributed to Newlib by * Dave Korn, November 2007. This file is placed in the * public domain. Permission to use, copy, modify, and * distribute this software is freely granted. * ==================================================== */ #if defined(__GNUC__) && !defined(_SOFT_FLOAT) #include <math.h> /* * Fast math version of lrintf(x) * Return x rounded to integral value according to the prevailing * rounding mode. * Method: * Using inline x87 asms. * Exception: * Governed by x87 FPCR. */ long int _f_lrintf (float x) { long int _result; asm ("fistpl %0" : "=m" (_result) : "t" (x) : "st"); return _result; } #endif /* !__GNUC__ || _SOFT_FLOAT */