[PATCH] D53177: [builtins] Implement __aeabi_uread4/8 and __aeabi_uwrite4/8.

[Eli Friedman via Phabricator via llvm-commits]

efriedma created this revision.
efriedma added reviewers: compnerd, dmgreen, SjoerdMeijer.
Herald added subscribers: Sanitizers, kristof.beyls, mgorny.
Herald added a reviewer: javed.absar.

These functions are part of the ARM RTABI (http://infocenter.arm.com/help/topic/com.arm.doc.ihi0043d/IHI0043D_rtabi.pdf).

Currently LLVM doesn't generate calls to them, but they could be useful for optimizing for size.


Repository:
  rCRT Compiler Runtime

https://reviews.llvm.org/D53177

Files:
  lib/builtins/CMakeLists.txt
  lib/builtins/arm/aeabi_uread4.c
  lib/builtins/arm/aeabi_uread8.c
  lib/builtins/arm/aeabi_uwrite4.c
  lib/builtins/arm/aeabi_uwrite8.c

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