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
19	.p2align 2
20DEFINE_COMPILERRT_FUNCTION(__mulsf3vfp)
21#if defined(COMPILER_RT_ARMHF_TARGET)
22	vmul.f32 s0, s0, s1
23#else
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
27#endif
28	vmov	r0, s13		// move result back to r0
29	bx	lr
30END_COMPILERRT_FUNCTION(__mulsf3vfp)
31
32NO_EXEC_STACK_DIRECTIVE
33
34