projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 1a4d82fc JJ |
1 | //===-- divsf3vfp.S - Implement divsf3vfp ---------------------------------===// |
| 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 __divsf3vfp(float a, float b); | |
| 14 | // | |
| 15 | // Divides two single precision floating point numbers using the Darwin | |
| 16 | // calling convention where single arguments are passsed like 32-bit ints. | |
| 17 | // | |
| 18 | .syntax unified | |
| 92a42be0 | 19 | .p2align 2 |
| 1a4d82fc | 20 | DEFINE_COMPILERRT_FUNCTION(__divsf3vfp) |
| 7cac9316 XL |
21 | #if defined(COMPILER_RT_ARMHF_TARGET) |
| 22 | vdiv.f32 s0, s0, s1 | |
| 23 | #else | |
| 1a4d82fc JJ |
24 | vmov s14, r0 // move first param from r0 into float register |
| 25 | vmov s15, r1 // move second param from r1 into float register | |
| 26 | vdiv.f32 s13, s14, s15 | |
| 27 | vmov r0, s13 // move result back to r0 | |
| 7cac9316 | 28 | #endif |
| 1a4d82fc JJ |
29 | bx lr |
| 30 | END_COMPILERRT_FUNCTION(__divsf3vfp) | |
| 3157f602 XL |
31 | |
| 32 | NO_EXEC_STACK_DIRECTIVE | |
| 33 |