aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/cxxsupp/builtins/arm/adddf3vfp.S
blob: 2e8608704adc32cb427c1b7395950888043b9cbc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
//===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===// 
// 
//                     The LLVM Compiler Infrastructure 
// 
// This file is dual licensed under the MIT and the University of Illinois Open 
// Source Licenses. See LICENSE.TXT for details. 
// 
//===----------------------------------------------------------------------===// 
 
#include "../assembly.h" 
 
// 
// double __adddf3vfp(double a, double b) { return a + b; } 
// 
// Adds two double precision floating point numbers using the Darwin 
// calling convention where double arguments are passsed in GPR pairs 
// 
	.syntax unified 
	.p2align 2 
DEFINE_COMPILERRT_FUNCTION(__adddf3vfp) 
	vmov	d6, r0, r1		// move first param from r0/r1 pair into d6 
	vmov	d7, r2, r3		// move second param from r2/r3 pair into d7 
	vadd.f64 d6, d6, d7		 
	vmov	r0, r1, d6		// move result back to r0/r1 pair 
	bx	lr 
END_COMPILERRT_FUNCTION(__adddf3vfp)