| Nick Kledzik | b9c6e4a | 2009-09-11 20:02:01 +0000 | [diff] [blame] | 1 | //===-- divdf3vfp.S - Implement divdf3vfp ---------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| Howard Hinnant | 5b791f6 | 2010-11-16 22:13:33 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| Nick Kledzik | b9c6e4a | 2009-09-11 20:02:01 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| Daniel Dunbar | 7d50478 | 2009-10-27 17:49:50 +0000 | [diff] [blame] | 10 | #include "../assembly.h" |
| Nick Kledzik | b9c6e4a | 2009-09-11 20:02:01 +0000 | [diff] [blame] | 11 | |
| 12 | // |
| 13 | // extern double __divdf3vfp(double a, double b); |
| 14 | // |
| 15 | // Divides two double precision floating point numbers using the Darwin |
| 16 | // calling convention where double arguments are passsed in GPR pairs |
| 17 | // |
| Bob Wilson | 7184d9f | 2011-08-23 16:40:18 +0000 | [diff] [blame] | 18 | .syntax unified |
| Saleem Abdulrasool | 310874a | 2014-05-12 15:23:37 +0000 | [diff] [blame] | 19 | .p2align 2 |
| Daniel Dunbar | 9ff9371 | 2009-10-27 17:50:21 +0000 | [diff] [blame] | 20 | DEFINE_COMPILERRT_FUNCTION(__divdf3vfp) |
| Saleem Abdulrasool | 9c287bc | 2017-01-11 16:19:25 +0000 | [diff] [blame] | 21 | #if defined(COMPILER_RT_ARMHF_TARGET) |
| 22 | vdiv.f64 d0, d0, d1 |
| 23 | #else |
| Bob Wilson | 7184d9f | 2011-08-23 16:40:18 +0000 | [diff] [blame] | 24 | vmov d6, r0, r1 // move first param from r0/r1 pair into d6 |
| 25 | vmov d7, r2, r3 // move second param from r2/r3 pair into d7 |
| Saleem Abdulrasool | 9c287bc | 2017-01-11 16:19:25 +0000 | [diff] [blame] | 26 | vdiv.f64 d5, d6, d7 |
| Bob Wilson | 7184d9f | 2011-08-23 16:40:18 +0000 | [diff] [blame] | 27 | vmov r0, r1, d5 // move result back to r0/r1 pair |
| Saleem Abdulrasool | 9c287bc | 2017-01-11 16:19:25 +0000 | [diff] [blame] | 28 | #endif |
| Nick Kledzik | b9c6e4a | 2009-09-11 20:02:01 +0000 | [diff] [blame] | 29 | bx lr |
| Joerg Sonnenberger | 171e9cf | 2014-01-24 14:33:42 +0000 | [diff] [blame] | 30 | END_COMPILERRT_FUNCTION(__divdf3vfp) |
| Saleem Abdulrasool | 590e85b | 2016-06-22 22:09:42 +0000 | [diff] [blame] | 31 | |
| 32 | NO_EXEC_STACK_DIRECTIVE |
| 33 | |