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1//===-- negsf2vfp.S - Implement negsf2vfp ---------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "../assembly.h"10 11//12// extern float __negsf2vfp(float a);13//14// Returns the negation of a single precision floating point numbers using the15// Darwin calling convention where single arguments are passsed like 32-bit ints16//17 .syntax unified18 .p2align 219DEFINE_COMPILERRT_FUNCTION(__negsf2vfp)20#if defined(COMPILER_RT_ARMHF_TARGET)21 vneg.f32 s0, s022#else23 eor r0, r0, #-2147483648 // flip sign bit on float in r024#endif25 bx lr26END_COMPILERRT_FUNCTION(__negsf2vfp)27 28NO_EXEC_STACK_DIRECTIVE29 30