xref: /minix3/sys/external/bsd/compiler_rt/dist/lib/builtins/arm/divsf3vfp.S (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc//===-- divsf3vfp.S - Implement divsf3vfp ---------------------------------===//
2*0a6a1f1dSLionel Sambuc//
3*0a6a1f1dSLionel Sambuc//                     The LLVM Compiler Infrastructure
4*0a6a1f1dSLionel Sambuc//
5*0a6a1f1dSLionel Sambuc// This file is dual licensed under the MIT and the University of Illinois Open
6*0a6a1f1dSLionel Sambuc// Source Licenses. See LICENSE.TXT for details.
7*0a6a1f1dSLionel Sambuc//
8*0a6a1f1dSLionel Sambuc//===----------------------------------------------------------------------===//
9*0a6a1f1dSLionel Sambuc
10*0a6a1f1dSLionel Sambuc#include "../assembly.h"
11*0a6a1f1dSLionel Sambuc
12*0a6a1f1dSLionel Sambuc//
13*0a6a1f1dSLionel Sambuc// extern float __divsf3vfp(float a, float b);
14*0a6a1f1dSLionel Sambuc//
15*0a6a1f1dSLionel Sambuc// Divides two single precision floating point numbers using the Darwin
16*0a6a1f1dSLionel Sambuc// calling convention where single arguments are passsed like 32-bit ints.
17*0a6a1f1dSLionel Sambuc//
18*0a6a1f1dSLionel Sambuc	.syntax unified
19*0a6a1f1dSLionel Sambuc	.p2align 2
20*0a6a1f1dSLionel SambucDEFINE_COMPILERRT_FUNCTION(__divsf3vfp)
21*0a6a1f1dSLionel Sambuc	vmov	s14, r0		// move first param from r0 into float register
22*0a6a1f1dSLionel Sambuc	vmov	s15, r1		// move second param from r1 into float register
23*0a6a1f1dSLionel Sambuc	vdiv.f32 s13, s14, s15
24*0a6a1f1dSLionel Sambuc	vmov	r0, s13		// move result back to r0
25*0a6a1f1dSLionel Sambuc	bx	lr
26*0a6a1f1dSLionel SambucEND_COMPILERRT_FUNCTION(__divsf3vfp)
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