saveFP.S 1.3 KB

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