b44364dd15
Summary: Secondary backed allocations do not require a cache. While it's not necessary an issue when each thread has its cache, it becomes one with a shared pool of caches (Android), as a Secondary backed allocation or deallocation holds a cache that could be useful to another thread doing a Primary backed allocation. We introduce an additional PRNG and its mutex (to avoid contention with the Fallback one for Primary allocations) that will provide the `Salt` needed for Secondary backed allocations. I changed some of the code in a way that feels more readable to me (eg: using some values directly rather than going through ternary assigned variables, using directly `true`/`false` rather than `FromPrimary`). I will let reviewers decide if it actually is. An additional change is to mark `CheckForCallocOverflow` as `UNLIKELY`. Reviewers: alekseyshl Reviewed By: alekseyshl Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D35358 llvm-svn: 307958 |
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| cmake | ||
| docs | ||
| include | ||
| lib | ||
| test | ||
| unittests | ||
| www | ||
| .arcconfig | ||
| .gitignore | ||
| CMakeLists.txt | ||
| CODE_OWNERS.TXT | ||
| CREDITS.TXT | ||
| LICENSE.TXT | ||
| README.txt | ||
README.txt
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================