| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame^] | 1 | //===-- addsf3vfp.S - Implement addsf3vfp ---------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "../assembly.h" |
| 11 | |
| 12 | // |
| 13 | // extern float __addsf3vfp(float a, float b); |
| 14 | // |
| 15 | // Adds two single precision floating point numbers using the Darwin |
| 16 | // calling convention where single arguments are passsed in GPRs |
| 17 | // |
| 18 | .syntax unified |
| 19 | .p2align 2 |
| 20 | DEFINE_COMPILERRT_FUNCTION(__addsf3vfp) |
| 21 | vmov s14, r0 // move first param from r0 into float register |
| 22 | vmov s15, r1 // move second param from r1 into float register |
| 23 | vadd.f32 s14, s14, s15 |
| 24 | vmov r0, s14 // move result back to r0 |
| 25 | bx lr |
| 26 | END_COMPILERRT_FUNCTION(__addsf3vfp) |