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1a4d82fc JJ |
1 | //===-- mulsf3vfp.S - Implement mulsf3vfp ---------------------------------===// |
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 __mulsf3vfp(float a, float b); | |
14 | // | |
15 | // Multiplies 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 JJ |
20 | DEFINE_COMPILERRT_FUNCTION(__mulsf3vfp) |
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 | vmul.f32 s13, s14, s15 | |
24 | vmov r0, s13 // move result back to r0 | |
25 | bx lr | |
26 | END_COMPILERRT_FUNCTION(__mulsf3vfp) |