strcmp.S 1.3 KB

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  1. /* strcmp dispatch for RTLD and non-multiarch build
  2. Copyright (C) 1999-2026 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <https://www.gnu.org/licenses/>. */
  15. /* Symbol = strcmp. */
  16. #define DEFAULT_IMPL_V1 "multiarch/strcmp-sse2.S"
  17. /* strcmp-sse2-unaligned.S is often faster than strcmp-sse42.S and
  18. doesn't have the drawback of using the `pcmpstri` instruction
  19. which can be very slow on some CPUs. */
  20. #define DEFAULT_IMPL_V2 "multiarch/strcmp-sse2-unaligned.S"
  21. #define DEFAULT_IMPL_V3 "multiarch/strcmp-avx2.S"
  22. #define DEFAULT_IMPL_V4 "multiarch/strcmp-evex.S"
  23. #include "isa-default-impl.h"
  24. libc_hidden_builtin_def (strcmp)