1//===-- saveFP.S - Implement saveFP ---------------------------------------===// 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-exception 6// 7//===----------------------------------------------------------------------===// 8 9#include "../assembly.h" 10 11// 12// Helper function used by compiler to save ppc floating point registers in 13// function prologs. This routines also saves r0 in the LR slot. 14// If the compiler wants to save f27..f31, it does a "bl saveFP+52" 15// 16// This function should never be exported by a shared library. Each linkage 17// unit carries its own copy of this function. 18// 19DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(saveFP) 20 stfd f14,-144(r1) 21 stfd f15,-136(r1) 22 stfd f16,-128(r1) 23 stfd f17,-120(r1) 24 stfd f18,-112(r1) 25 stfd f19,-104(r1) 26 stfd f20,-96(r1) 27 stfd f21,-88(r1) 28 stfd f22,-80(r1) 29 stfd f23,-72(r1) 30 stfd f24,-64(r1) 31 stfd f25,-56(r1) 32 stfd f26,-48(r1) 33 stfd f27,-40(r1) 34 stfd f28,-32(r1) 35 stfd f29,-24(r1) 36 stfd f30,-16(r1) 37 stfd f31,-8(r1) 38 stw r0,8(r1) 39 blr 40 41NO_EXEC_STACK_DIRECTIVE 42 43