minix/sys/external/bsd/compiler_rt/dist/lib/arm/negsf2vfp.S
Lionel Sambuc 4684ddb6aa LLVM Minix changes
- import libcxx
 - reduce targets to the one when compiled as a tools

Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
2014-07-28 17:05:59 +02:00

22 lines
723 B
ArmAsm

//===-- negsf2vfp.S - Implement negsf2vfp ---------------------------------===//
//
// 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"
//
// extern float __negsf2vfp(float a);
//
// Returns the negation of a single precision floating point numbers using the
// Darwin calling convention where single arguments are passsed like 32-bit ints
//
.syntax unified
.align 2
DEFINE_COMPILERRT_FUNCTION(__negsf2vfp)
eor r0, r0, #-2147483648 // flip sign bit on float in r0
bx lr