| 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/subsf3vfp.S |
//===-- subsf3vfp.S - Implement subsf3vfp ---------------------------------===// // // 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 __subsf3vfp(float a, float b); // // Returns the difference between two single precision floating point numbers // using the Darwin calling convention where single arguments are passsed // like 32-bit ints. // .syntax unified .align 2 DEFINE_COMPILERRT_FUNCTION(__subsf3vfp) vmov s14, r0 // move first param from r0 into float register vmov s15, r1 // move second param from r1 into float register vsub.f32 s14, s14, s15 vmov r0, s14 // move result back to r0 bx lr