/* * Written by J.T. Conklin, Apr 10, 1995 * Public domain. */ #include __FBSDID("$FreeBSD: releng/10.2/lib/libc/sparc64/gen/flt_rounds.c 140424 2005-01-18 15:29:28Z das $"); #include #include static const int map[] = { 1, /* round to nearest */ 0, /* round to zero */ 2, /* round to positive infinity */ 3 /* round to negative infinity */ }; int __flt_rounds() { int x; __asm("st %%fsr,%0" : "=m" (*&x)); return map[(x >> 30) & 0x03]; }