| Commit message (Collapse) | Author | Age | Files | Lines |
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On anything modern, the C version, which processes a word at a time, is much
faster. The Intel optimization manual explicitly warns against using REP
prefixes with SCAS or CMPS, which is exactly what the assembler version
does.
A simple test on a Phenom II showed the C version, compiled with -O2, to be
about twice as fast determining the length of 100000 strings between 0 and
255 bytes long.
MFC after: 2 weeks
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svn path=/head/; revision=213326
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is mostly harmless, but it does upset some of valgrind's functionality.
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svn path=/head/; revision=184548
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Spotted and suggested by: des
MFC after: 3 weeks
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svn path=/head/; revision=97748
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svn path=/head/; revision=93000
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with <machine/asm.h>.
Reviewed by: bde
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svn path=/head/; revision=85437
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svn path=/head/; revision=81586
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svn path=/head/; revision=50476
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svn path=/head/; revision=22993
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This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
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svn path=/head/; revision=21673
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1) Changed LIB_SCCS and SYSLIB_SCCS to LIB_RCS and SYSLIB_RCS.
2) Changed sccsid[] variables to rcsid[]
3) Moved all RCSID strings into .text
4) Converted all SCCSID's to RCS $Id$'s
5) Added missing $Id$'s after copyright.
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svn path=/head/; revision=5790
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my machine, and a simple static (genassym) and shared (sysctl) executable
both work. Still to be done: RPCand YP merge.
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svn path=/head/; revision=1849
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