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Imported Upstream version 1.6.0+dfsg1
[rustc.git] / src / compiler-rt / lib / builtins / arm / mulsf3vfp.S
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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
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20DEFINE_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
26END_COMPILERRT_FUNCTION(__mulsf3vfp)