1 //===-- mulsf3vfp.S - Implement mulsf3vfp ---------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "../assembly.h"
13 // extern float __mulsf3vfp(float a, float b);
15 // Multiplies two single precision floating point numbers using the Darwin
16 // calling convention where single arguments are passsed like 32-bit ints.
20 DEFINE_COMPILERRT_FUNCTION(__mulsf3vfp)
21 #if defined(COMPILER_RT_ARMHF_TARGET)
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 vmul.f32 s13, s14, s15
28 vmov r0, s13 // move result back to r0
30 END_COMPILERRT_FUNCTION(__mulsf3vfp)
32 NO_EXEC_STACK_DIRECTIVE