https://github.com/halide/Halide
Revision c2a0db12e464ad6d63a997642776b9b2b7e8a449 authored by Steven Johnson on 10 March 2021, 23:39:27 UTC, committed by GitHub on 10 March 2021, 23:39:27 UTC
Conversion from a pointer to an integer is "implementation defined"; in general, conversion to `uintptr_t` is reliable, but other conversions aren't. It turns out that for our arm32 compiler, casting a pointer to a `uint64_t` sign-extends, rather than zero-extends, causing unexpected behavior in memoize cache eviction *if* the pointer is in the top half of memory. The fix here is simple (cast to `uintptr_t` directly), but it brings up the question of where else in our codebase we might be doing direct conversions elsewhere in our code without noticing the potential UB.
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- c2a0db12e464ad6d63a997642776b9b2b7e8a449
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Tip revision: c2a0db12e464ad6d63a997642776b9b2b7e8a449 authored by Steven Johnson on 10 March 2021, 23:39:27 UTC
Fix correctness_memoize on arm32 (#5799)
Fix correctness_memoize on arm32 (#5799)
Tip revision: c2a0db1
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| README_cmake.md | -rw-r--r-- | 69.0 KB |
| README_rungen.md | -rw-r--r-- | 12.1 KB |
| README_webassembly.md | -rw-r--r-- | 7.5 KB |
| run-clang-format.sh | -rwxr-xr-x | 1.4 KB |
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