1*7c3d14c8STreehugger Robot//===-- restFP.S - Implement restFP ---------------------------------------===// 2*7c3d14c8STreehugger Robot// 3*7c3d14c8STreehugger Robot// The LLVM Compiler Infrastructure 4*7c3d14c8STreehugger Robot// 5*7c3d14c8STreehugger Robot// This file is dual licensed under the MIT and the University of Illinois Open 6*7c3d14c8STreehugger Robot// Source Licenses. See LICENSE.TXT for details. 7*7c3d14c8STreehugger Robot// 8*7c3d14c8STreehugger Robot//===----------------------------------------------------------------------===// 9*7c3d14c8STreehugger Robot 10*7c3d14c8STreehugger Robot#include "../assembly.h" 11*7c3d14c8STreehugger Robot 12*7c3d14c8STreehugger Robot// 13*7c3d14c8STreehugger Robot// Helper function used by compiler to restore ppc floating point registers at 14*7c3d14c8STreehugger Robot// the end of the function epilog. This function returns to the address 15*7c3d14c8STreehugger Robot// in the LR slot. So a function epilog must branch (b) not branch and link 16*7c3d14c8STreehugger Robot// (bl) to this function. 17*7c3d14c8STreehugger Robot// If the compiler wants to restore f27..f31, it does a "b restFP+52" 18*7c3d14c8STreehugger Robot// 19*7c3d14c8STreehugger Robot// This function should never be exported by a shared library. Each linkage 20*7c3d14c8STreehugger Robot// unit carries its own copy of this function. 21*7c3d14c8STreehugger Robot// 22*7c3d14c8STreehugger RobotDEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(restFP) 23*7c3d14c8STreehugger Robot lfd f14,-144(r1) 24*7c3d14c8STreehugger Robot lfd f15,-136(r1) 25*7c3d14c8STreehugger Robot lfd f16,-128(r1) 26*7c3d14c8STreehugger Robot lfd f17,-120(r1) 27*7c3d14c8STreehugger Robot lfd f18,-112(r1) 28*7c3d14c8STreehugger Robot lfd f19,-104(r1) 29*7c3d14c8STreehugger Robot lfd f20,-96(r1) 30*7c3d14c8STreehugger Robot lfd f21,-88(r1) 31*7c3d14c8STreehugger Robot lfd f22,-80(r1) 32*7c3d14c8STreehugger Robot lfd f23,-72(r1) 33*7c3d14c8STreehugger Robot lfd f24,-64(r1) 34*7c3d14c8STreehugger Robot lfd f25,-56(r1) 35*7c3d14c8STreehugger Robot lfd f26,-48(r1) 36*7c3d14c8STreehugger Robot lfd f27,-40(r1) 37*7c3d14c8STreehugger Robot lfd f28,-32(r1) 38*7c3d14c8STreehugger Robot lfd f29,-24(r1) 39*7c3d14c8STreehugger Robot lfd f30,-16(r1) 40*7c3d14c8STreehugger Robot lfd f31,-8(r1) 41*7c3d14c8STreehugger Robot lwz r0,8(r1) 42*7c3d14c8STreehugger Robot mtlr r0 43*7c3d14c8STreehugger Robot blr 44*7c3d14c8STreehugger Robot 45*7c3d14c8STreehugger RobotNO_EXEC_STACK_DIRECTIVE 46*7c3d14c8STreehugger Robot 47