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223e47cc LB |
1 | //===-- negsf2vfp.S - Implement negsf2vfp ---------------------------------===// |
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 __negsf2vfp(float a); | |
14 | // | |
15 | // Returns the negation of a single precision floating point numbers using the | |
16 | // Darwin calling convention where single arguments are passsed like 32-bit ints | |
17 | // | |
18 | .syntax unified | |
19 | .align 2 | |
20 | DEFINE_COMPILERRT_FUNCTION(__negsf2vfp) | |
21 | eor r0, r0, #-2147483648 // flip sign bit on float in r0 | |
22 | bx lr |