1214152Sed//===-- fixdfsivfp.S - Implement fixdfsivfp -----------------------===// 2214152Sed// 3214152Sed// The LLVM Compiler Infrastructure 4214152Sed// 5222656Sed// This file is dual licensed under the MIT and the University of Illinois Open 6222656Sed// Source Licenses. See LICENSE.TXT for details. 7214152Sed// 8214152Sed//===----------------------------------------------------------------------===// 9214152Sed 10214152Sed#include "../assembly.h" 11214152Sed 12214152Sed// 13214152Sed// extern int __fixdfsivfp(double a); 14214152Sed// 15214152Sed// Converts double precision float to a 32-bit int rounding towards zero. 16214152Sed// Uses Darwin calling convention where a double precision parameter is 17214152Sed// passed in GPR register pair. 18214152Sed// 19229135Sed .syntax unified 20214152Sed .align 2 21214152SedDEFINE_COMPILERRT_FUNCTION(__fixdfsivfp) 22229135Sed vmov d7, r0, r1 // load double register from R0/R1 23229135Sed vcvt.s32.f64 s15, d7 // convert double to 32-bit int into s15 24229135Sed vmov r0, s15 // move s15 to result register 25214152Sed bx lr 26