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llvm / scudo / 498babbf1367b6558002cb23b1ff5993a65c76b3
commit498babbf1367b6558002cb23b1ff5993a65c76b3[log] [tgz]
authorPeter Collingbourne <peter@pcc.me.uk>Mon Feb 03 15:35:35 2020 -0800
committerCopybara-Service <copybara-worker@google.com>Thu Aug 27 23:56:47 2020 -0700
treee34f0277a7ddf3cd07798f223021eaad053e7614
parentb8b13a6babfa464de0946c6beed3c152717bcb51 [diff]
scudo: Simplify getClassIdBySize() logic. NFCI.

By subtracting 1 from Size at the beginning we can simplify the
subsequent calculations. This also saves 4 instructions on aarch64
and 9 instructions on x86_64, but seems to be perf neutral.

Differential Revision: https://reviews.llvm.org/D73936

GitOrigin-RevId: f7de7084f4a2c346b3db87c26fa519db0781a09a
1 file changed
tree: e34f0277a7ddf3cd07798f223021eaad053e7614
  1. benchmarks/
  2. tests/
  3. allocator_config.h
  4. atomic_helpers.h
  5. bytemap.h
  6. checksum.cpp
  7. checksum.h
  8. chunk.h
  9. combined.h
  10. common.cpp
  11. common.h
  12. crc32_hw.cpp
  13. flags.cpp
  14. flags.h
  15. flags.inc
  16. flags_parser.cpp
  17. flags_parser.h
  18. fuchsia.cpp
  19. fuchsia.h
  20. interface.h
  21. internal_defs.h
  22. LICENSE.TXT
  23. linux.cpp
  24. linux.h
  25. list.h
  26. local_cache.h
  27. memtag.h
  28. mutex.h
  29. platform.h
  30. primary32.h
  31. primary64.h
  32. quarantine.h
  33. release.h
  34. report.cpp
  35. report.h
  36. secondary.h
  37. size_class_map.h
  38. stats.h
  39. string_utils.cpp
  40. string_utils.h
  41. tsd.h
  42. tsd_exclusive.h
  43. tsd_shared.h
  44. vector.h
  45. wrappers_c.cpp
  46. wrappers_c.h
  47. wrappers_c.inc
  48. wrappers_c_bionic.cpp
  49. wrappers_c_checks.h
  50. wrappers_cpp.cpp