/* $OpenBSD: fpgetround.c,v 1.1 2018/02/28 11:16:54 kettenis Exp $ */ /* * Copyright (c) 2018 Mark Kettenis * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #ifdef SOFTFLOAT_FOR_GCC #include "softfloat-for-gcc.h" #endif #include "milieu.h" #include #include __weak_alias(_fpgetround,fpgetround); fp_rnd fpgetround(void) { uint32_t fpscr; __asm volatile("vmrs %0, fpscr" : "=r" (fpscr)); return ((fpscr >> 22) & 3); } DEF_WEAK(fpgetround);