| 1 | //===-- saveFP.S - Implement saveFP ---------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "../assembly.h" |
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| 10 | |
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| 11 | // |
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| 12 | // Helper function used by compiler to save ppc floating point registers in |
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| 13 | // function prologs. This routines also saves r0 in the LR slot. |
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| 14 | // If the compiler wants to save f27..f31, it does a "bl saveFP+52" |
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| 15 | // |
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| 16 | // This function should never be exported by a shared library. Each linkage |
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| 17 | // unit carries its own copy of this function. |
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| 18 | // |
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| 19 | DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(saveFP) |
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| 20 | stfd f14,-144(r1) |
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| 21 | stfd f15,-136(r1) |
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| 22 | stfd f16,-128(r1) |
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| 23 | stfd f17,-120(r1) |
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| 24 | stfd f18,-112(r1) |
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| 25 | stfd f19,-104(r1) |
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| 26 | stfd f20,-96(r1) |
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| 27 | stfd f21,-88(r1) |
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| 28 | stfd f22,-80(r1) |
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| 29 | stfd f23,-72(r1) |
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| 30 | stfd f24,-64(r1) |
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| 31 | stfd f25,-56(r1) |
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| 32 | stfd f26,-48(r1) |
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| 33 | stfd f27,-40(r1) |
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| 34 | stfd f28,-32(r1) |
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| 35 | stfd f29,-24(r1) |
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| 36 | stfd f30,-16(r1) |
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| 37 | stfd f31,-8(r1) |
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| 38 | stw r0,8(r1) |
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| 39 | blr |
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| 40 | |
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| 41 | NO_EXEC_STACK_DIRECTIVE |
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| 42 | |
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| 43 | |
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