diff options
Diffstat (limited to 'lib/ppc/saveFP.s')
| -rw-r--r-- | lib/ppc/saveFP.s | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/ppc/saveFP.s b/lib/ppc/saveFP.s new file mode 100644 index 000000000..41a912771 --- /dev/null +++ b/lib/ppc/saveFP.s @@ -0,0 +1,40 @@ +//===-- saveFP.s - Implement saveFP ---------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + + +// +// Helper function used by compiler to save ppc floating point registers in +// function prologs. This routines also saves r0 in the LR slot. +// If the compiler wants to save f27..f31, it does a "bl saveFP+52" +// +// This function should never be exported by a shared library. Each linkage +// unit carries its own copy of this function. +// + .globl saveFP + .private_extern saveFP +saveFP: stfd f14,-144(r1) + stfd f15,-136(r1) + stfd f16,-128(r1) + stfd f17,-120(r1) + stfd f18,-112(r1) + stfd f19,-104(r1) + stfd f20,-96(r1) + stfd f21,-88(r1) + stfd f22,-80(r1) + stfd f23,-72(r1) + stfd f24,-64(r1) + stfd f25,-56(r1) + stfd f26,-48(r1) + stfd f27,-40(r1) + stfd f28,-32(r1) + stfd f29,-24(r1) + stfd f30,-16(r1) + stfd f31,-8(r1) + stw r0,8(r1) + blr |