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1//===-- restFP.S - Implement restFP ---------------------------------------===//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// Helper function used by compiler to restore ppc floating point registers at13// the end of the function epilog. This function returns to the address14// in the LR slot. So a function epilog must branch (b) not branch and link15// (bl) to this function.16// If the compiler wants to restore f27..f31, it does a "b restFP+52"17//18// This function should never be exported by a shared library. Each linkage19// unit carries its own copy of this function.20//21DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(restFP)22 lfd f14,-144(r1)23 lfd f15,-136(r1)24 lfd f16,-128(r1)25 lfd f17,-120(r1)26 lfd f18,-112(r1)27 lfd f19,-104(r1)28 lfd f20,-96(r1)29 lfd f21,-88(r1)30 lfd f22,-80(r1)31 lfd f23,-72(r1)32 lfd f24,-64(r1)33 lfd f25,-56(r1)34 lfd f26,-48(r1)35 lfd f27,-40(r1)36 lfd f28,-32(r1)37 lfd f29,-24(r1)38 lfd f30,-16(r1)39 lfd f31,-8(r1)40 lwz r0,8(r1)41 mtlr r042 blr43 44NO_EXEC_STACK_DIRECTIVE45 46