xref: /freebsd/contrib/llvm-project/compiler-rt/lib/builtins/arm/addsf3vfp.S (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1*0b57cec5SDimitry Andric//===-- addsf3vfp.S - Implement addsf3vfp ---------------------------------===//
2*0b57cec5SDimitry Andric//
3*0b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*0b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information.
5*0b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*0b57cec5SDimitry Andric//
7*0b57cec5SDimitry Andric//===----------------------------------------------------------------------===//
8*0b57cec5SDimitry Andric
9*0b57cec5SDimitry Andric#include "../assembly.h"
10*0b57cec5SDimitry Andric
11*0b57cec5SDimitry Andric//
12*0b57cec5SDimitry Andric// extern float __addsf3vfp(float a, float b);
13*0b57cec5SDimitry Andric//
14*0b57cec5SDimitry Andric// Adds two single precision floating point numbers using the Darwin
15*0b57cec5SDimitry Andric// calling convention where single arguments are passsed in GPRs
16*0b57cec5SDimitry Andric//
17*0b57cec5SDimitry Andric	.syntax unified
18*0b57cec5SDimitry Andric	.p2align 2
19*0b57cec5SDimitry AndricDEFINE_COMPILERRT_FUNCTION(__addsf3vfp)
20*0b57cec5SDimitry Andric#if defined(COMPILER_RT_ARMHF_TARGET)
21*0b57cec5SDimitry Andric	vadd.f32 s0, s0, s1
22*0b57cec5SDimitry Andric#else
23*0b57cec5SDimitry Andric	vmov	s14, r0		// move first param from r0 into float register
24*0b57cec5SDimitry Andric	vmov	s15, r1		// move second param from r1 into float register
25*0b57cec5SDimitry Andric	vadd.f32 s14, s14, s15
26*0b57cec5SDimitry Andric	vmov	r0, s14		// move result back to r0
27*0b57cec5SDimitry Andric#endif
28*0b57cec5SDimitry Andric	bx	lr
29*0b57cec5SDimitry AndricEND_COMPILERRT_FUNCTION(__addsf3vfp)
30*0b57cec5SDimitry Andric
31*0b57cec5SDimitry AndricNO_EXEC_STACK_DIRECTIVE
32*0b57cec5SDimitry Andric
33