| Current Path : /usr/src/contrib/compiler-rt/lib/arm/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/contrib/compiler-rt/lib/arm/truncdfsf2vfp.S |
//===-- truncdfsf2vfp.S - Implement truncdfsf2vfp -------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "../assembly.h" // // extern float __truncdfsf2vfp(double a); // // Converts double precision float to signle precision result. // Uses Darwin calling convention where a double precision parameter is // passed in a R0/R1 pair and a signle precision result is returned in R0. // .syntax unified .align 2 DEFINE_COMPILERRT_FUNCTION(__truncdfsf2vfp) vmov d7, r0, r1 // load double from r0/r1 pair vcvt.f32.f64 s15, d7 // convert double to single (trucate precision) vmov r0, s15 // return result in r0 bx lr