1/* 2 * COPYRIGHT: BSD - See COPYING.ARM in the top level directory 3 * PROJECT: ReactOS CRT library 4 * PURPOSE: Implementation of floor 5 * PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org) 6 * Original implementation: dawncrow 7 * SOURCE: MinGW-w64\mingw-w64-crt\math\floor.S 8 */ 9 10/* INCLUDES ******************************************************************/ 11 12#include <kxarm.h> 13 14/* CODE **********************************************************************/ 15 16 TEXTAREA 17 18 LEAF_ENTRY floor 19 20 vmrs r1, fpscr 21 bic r0, r1, #0x00c00000 22 orr r0, r0, #0x00800000 /* Round towards Minus Infinity */ 23 vmsr fpscr, r0 24 vcvtr.s32.f64 s0, d0 25 vcvt.f64.s32 d0, s0 26 vmsr fpscr, r1 27 bx lr 28 29 LEAF_END floor 30 31 END 32/* EOF */ 33