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opnsense-src/lib/libc/i386/string
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Robert Clausecker ee8b0c436d lib/libc/string: replace ffs/fls implementations with clang builtins 
Most architectures we support (except for riscv64) have instructions
to compute these functions very quickly.  Replace old code with the
ffs and clz builtin functions, allowing clang to generate good code
for all architectures.

As a consequence, toss out arm and i386 ffs() implementations.

Sponsored by:	FreeBSD Foundation
Approved by:	mhorne
MFC after:	1 week
Differential Revision: https://reviews.freebsd.org/D40730
2023-07-03 22:18:27 +02:00
..
bcmp.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
bcopy.S amd64: depessimize userspace memcpy/memmove/bcopy 2018-09-17 15:49:35 +00:00
bzero.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
Makefile.inc lib/libc/string: replace ffs/fls implementations with clang builtins 2023-07-03 22:18:27 +02:00
memcmp.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
memcpy.S Remove duplicate .note.GNU-stack section declaration. bcopy already 2011-02-04 21:04:00 +00:00
memmove.S Remove duplicate .note.GNU-stack section declaration. bcopy already 2011-02-04 21:04:00 +00:00
memset.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
strcat.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
strchr.S Replace the WEAK_ALIAS() alias with the WEAK_REFERENCE() alias. Use it and 2013-11-21 22:31:18 +00:00
strcmp.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
strcpy.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
strncmp.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
strrchr.S Replace the WEAK_ALIAS() alias with the WEAK_REFERENCE() alias. Use it and 2013-11-21 22:31:18 +00:00
swab.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
wcschr.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
wcscmp.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
wcslen.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00
wmemchr.S Add section .note.GNU-stack for assembly files used by 386 and amd64. 2011-01-07 16:08:40 +00:00