File: addsf3vfp.S

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (32 lines) | stat: -rw-r--r-- 989 bytes parent folder | download | duplicates (30) 
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
27
28
29
30
31
32
 
//===-- addsf3vfp.S - Implement addsf3vfp ---------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "../assembly.h"

//
// extern float __addsf3vfp(float a, float b);
//
// Adds two single precision floating point numbers using the Darwin
// calling convention where single arguments are passsed in GPRs
//
	.syntax unified
	.p2align 2
DEFINE_COMPILERRT_FUNCTION(__addsf3vfp)
#if defined(COMPILER_RT_ARMHF_TARGET)
	vadd.f32 s0, s0, s1
#else
	vmov	s14, r0		// move first param from r0 into float register
	vmov	s15, r1		// move second param from r1 into float register
	vadd.f32 s14, s14, s15
	vmov	r0, s14		// move result back to r0
#endif
	bx	lr
END_COMPILERRT_FUNCTION(__addsf3vfp)

NO_EXEC_STACK_DIRECTIVE