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Diffstat (limited to 'contrib/compiler-rt/lib/ppc/saveFP.S')
-rw-r--r-- | contrib/compiler-rt/lib/ppc/saveFP.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/ppc/saveFP.S b/contrib/compiler-rt/lib/ppc/saveFP.S new file mode 100644 index 0000000..302da6e --- /dev/null +++ b/contrib/compiler-rt/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. +// +//===----------------------------------------------------------------------===// + +#include "../assembly.h" + +// +// 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. +// +DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(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 |