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-exception 6// 7//===----------------------------------------------------------------------===// 8 9#include "../assembly.h" 10 11// 12// Helper function used by compiler to restore ppc floating point registers at 13// the end of the function epilog. This function returns to the address 14// in the LR slot. So a function epilog must branch (b) not branch and link 15// (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 linkage 19// 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 r0 42 blr 43 44NO_EXEC_STACK_DIRECTIVE 45 46