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Diffstat (limited to 'newlib/libm/machine/arm/s_floor.c')
-rw-r--r-- | newlib/libm/machine/arm/s_floor.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/newlib/libm/machine/arm/s_floor.c b/newlib/libm/machine/arm/s_floor.c new file mode 100644 index 000000000..50019819c --- /dev/null +++ b/newlib/libm/machine/arm/s_floor.c @@ -0,0 +1,40 @@ +/* s_floor.c -- define floor + Copyright (c) 2011, 2012 ARM Ltd. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. The name of the company may not be used to endorse or promote + products derived from this software without specific prior written + permission. + + THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED + WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +#if __ARM_ARCH >= 8 && !defined (__SOFTFP__) +#include <math.h> + +double +floor (double x) +{ + double result; + asm volatile ("vrintm.f64\t%P0, %P1" : "=w" (result) : "w" (x)); + return result; +} + +#else +#include "../../math/s_floor.c" +#endif |