| Nick Kledzik | d47c2cf | 2009-09-11 20:02:01 +0000 | [diff] [blame^] | 1 | //===-- muldf3vfp.S - Implement muldf3vfp ---------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | |
| 11 | // |
| 12 | // extern double __muldf3vfp(double a, double b); |
| 13 | // |
| 14 | // Multiplies two double precision floating point numbers using the Darwin |
| 15 | // calling convention where double arguments are passsed in GPR pairs |
| 16 | // |
| 17 | .globl ___muldf3vfp |
| 18 | ___muldf3vfp: |
| 19 | fmdrr d6, r0, r1 // move first param from r0/r1 pair into d6 |
| 20 | fmdrr d7, r2, r3 // move second param from r2/r3 pair into d7 |
| 21 | fmuld d6, d6, d7 |
| 22 | fmrrd r0, r1, d6 // move result back to r0/r1 pair |
| 23 | bx lr |