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ef8821e5db
It seems there have only been a small amount to the compiler-rt source code in the mean time. I'd rather have the code in sync as much as possible by the time we release 9.0. Changes: - The libcompiler_rt library is now dual licensed under both the University of Illinois "BSD-Like" license and the MIT license. - Our local modifications for using .hidden instead of .private_extern have been upstreamed, meaning our changes to lib/assembly.h can now be reverted. - A possible endless recursion in __modsi3() has been fixed. - Support for ARM EABI has been added, but it has no effect on FreeBSD (yet). - The functions __udivmodsi4 and __divmodsi4 have been added. Requested by: many, including bf@ and Pedro Giffuni
43 lines
1.4 KiB
ArmAsm
43 lines
1.4 KiB
ArmAsm
//===-- restFP.S - Implement restFP ---------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "../assembly.h"
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//
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// Helper function used by compiler to restore ppc floating point registers at
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// the end of the function epilog. This function returns to the address
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// in the LR slot. So a function epilog must branch (b) not branch and link
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// (bl) to this function.
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// If the compiler wants to restore f27..f31, it does a "b restFP+52"
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//
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// This function should never be exported by a shared library. Each linkage
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// unit carries its own copy of this function.
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//
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DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(restFP)
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lfd f14,-144(r1)
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lfd f15,-136(r1)
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lfd f16,-128(r1)
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lfd f17,-120(r1)
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lfd f18,-112(r1)
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lfd f19,-104(r1)
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lfd f20,-96(r1)
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lfd f21,-88(r1)
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lfd f22,-80(r1)
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lfd f23,-72(r1)
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lfd f24,-64(r1)
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lfd f25,-56(r1)
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lfd f26,-48(r1)
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lfd f27,-40(r1)
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lfd f28,-32(r1)
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lfd f29,-24(r1)
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lfd f30,-16(r1)
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lfd f31,-8(r1)
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lwz r0,8(r1)
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mtlr r0
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blr
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