177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===-- restFP.S - Implement restFP ---------------------------------------===// 277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// The LLVM Compiler Infrastructure 477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// This file is distributed under the University of Illinois Open Source 677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// License. See LICENSE.TXT for details. 777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===----------------------------------------------------------------------===// 977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#include "../assembly.h" 1177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 1377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// Helper function used by compiler to restore ppc floating point registers at 1477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// the end of the function epilog. This function returns to the address 1577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// in the LR slot. So a function epilog must branch (b) not branch and link 1677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// (bl) to this function. 1777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// If the compiler wants to restore f27..f31, it does a "b restFP+52" 1877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 1977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// This function should never be exported by a shared library. Each linkage 2077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// unit carries its own copy of this function. 2177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 2277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei LiaoDEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(restFP) 2377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f14,-144(r1) 2477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f15,-136(r1) 2577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f16,-128(r1) 2677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f17,-120(r1) 2777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f18,-112(r1) 2877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f19,-104(r1) 2977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f20,-96(r1) 3077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f21,-88(r1) 3177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f22,-80(r1) 3277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f23,-72(r1) 3377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f24,-64(r1) 3477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f25,-56(r1) 3577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f26,-48(r1) 3677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f27,-40(r1) 3777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f28,-32(r1) 3877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f29,-24(r1) 3977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f30,-16(r1) 4077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lfd f31,-8(r1) 4177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao lwz r0,8(r1) 4277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao mtlr r0 4377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao blr 44