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610 Commits

Author SHA1 Message Date
christos 3e4fc0a448 Add RCSID 
Fix out of date comment
 2013-03-17 02:13:10 +00:00
christos 12ea7fb385 add RCSID; use clr for pattern 2013-03-17 02:12:41 +00:00
christos ca8f29b6bf Use a single copy of the source. 2013-03-17 00:42:31 +00:00
matt 213f7e6d6b #include <arm/cdefs.h> to get _ARM_ARCH_DWORD_OK 2013-02-15 22:35:39 +00:00
matt 545df5cbb8 Fix corner cases when searching for NUL. 2013-02-08 02:19:35 +00:00
matt a317dd6322 Fix typo. 2013-02-08 01:41:35 +00:00
matt 38a95c84fa orrne wants 3 registers 2013-02-07 01:20:29 +00:00
matt 59bc6bed3d Add aeabi strong aliases. 2013-01-28 06:23:44 +00:00
matt afc5014a73 Deal with an end-of-string condition properly. 2013-01-28 06:23:14 +00:00
matt b61c7ad71a Change movsne to movnes for clang. 2013-01-28 06:22:34 +00:00
matt d3d0879f20 Fix bug in detecting EOS/match on armv6+. 2013-01-26 07:49:11 +00:00
matt cd7877eb52 Add a (unused) variant of strlcat that uses strnlen and strlcpy to do the work. 2013-01-23 07:57:27 +00:00
matt d3ab69dd3b Enable ARM assembly versions of strlcat and strnlen. 2013-01-23 07:56:09 +00:00
matt e3cc29a381 Add index/rindex strong aiases. 2013-01-23 07:45:46 +00:00
matt bb2928cbda Add EABI support routines to raise SIGFPE on integer divide by 0. 2013-01-23 07:38:19 +00:00
matt 632dd00817 Add ARM assembly of strlcat which is implemented using (the ARM optimized) 
strnlen and strlcpy.
 2013-01-23 07:02:45 +00:00
matt 6495fd5f51 Add support for strnlen. 2013-01-23 06:59:55 +00:00
matt 24a929b8a1 Switch to using ARM assembly versions of strcat, strchr, strrchr. 2013-01-23 05:46:17 +00:00
matt caab799770 Simple version of strlcat for ARM. 2013-01-18 22:49:11 +00:00
matt 9c4e9e6f72 Add some comments to illustrate what is actually happening. 2013-01-16 21:48:56 +00:00
matt 97ca0f0675 Fix case when searching for NUL. 2013-01-15 16:52:35 +00:00
matt 7b77c34d39 Add ARM optimized version of strrchr. 2013-01-15 08:52:27 +00:00
matt d8ec06e4ef Add missing ! on str 2013-01-15 04:48:14 +00:00
matt daf6ab5d09 Add an ARM optimized version of strchr. 2013-01-15 02:04:04 +00:00
matt 1a27ca9824 Add simple/small versions of strchr/strrchr for ARM. 2013-01-15 02:03:30 +00:00
matt cb5a58cf06 Fix two typos 2013-01-14 19:15:13 +00:00
matt 4362d68f7e Add a simple version of strcat. 2013-01-14 16:36:15 +00:00
matt 962e3d9743 Add a native version of strcat which uses the optimized strlen and strcpy 
routines.
 2013-01-14 00:07:29 +00:00
matt 052628e406 A version of memset that can do NEON, VFP as well as normal arm instructions 2013-01-12 20:27:13 +00:00
matt f77b15e751 Back out workaround. 2013-01-10 06:52:35 +00:00
matt 14365a1730 Fix a typo in strlcpy which caused to not deal with NULs predecing the 
string properly.
 2013-01-10 04:51:49 +00:00
matt eb9a5f19fe Use the naive version of strlcpy until the longer one is fixed (it's still 
faster than the C version).
 2013-01-10 02:14:42 +00:00
matt ddfad239b3 use #if defined(xxx) instead of ifdef 2013-01-10 02:13:49 +00:00
matt 01beb558aa Add weak alias for strlcpy 2013-01-10 02:08:22 +00:00
matt 0e293547ab Use movw on armv7 to fill uppper halfword. 2013-01-09 00:01:07 +00:00
matt d8854cd184 Add a simplier version of memset which is less than 1/2 the size of the 
current one.  On a Cortex-A9, this is about 15%-30% faster than the current
libc version.  This is not a trivial implementation since that was an order
magnitude slower than the existing libc version.
 2013-01-08 20:15:00 +00:00
pgoyette 640316503e Add missing quote - fix build 2013-01-08 16:58:59 +00:00
matt 8eef9c1e44 Depending on _STANDALONE include the "naive" version or the normal arm version. 2013-01-08 13:21:05 +00:00
matt 67fc12d2ba Rename strlen.S and strcpy.S to strlen_arm.S and strcpy_arm.S 2013-01-08 13:17:45 +00:00
matt 94d1844298 Add simple/small versions of the str* functions. Suitable for libsa, etc. 2013-01-08 13:14:54 +00:00
matt 3ddeb9ed7e This is a working version of memcpy implemented using NEON instructions. 
Still needs tuning as it is still about 15% than the non-NEON version.
 2013-01-03 09:34:44 +00:00
matt 013f63afab Deal with _LIBC (aliases, etc). 
Add missing #endif.
 2013-01-02 15:38:03 +00:00
matt 7910d3cfb5 Rename strlen_armv6.S to strlen.S since this is no longer armv6 dependent. 2013-01-02 15:24:21 +00:00
matt daf4ca4713 Add an assembly version of strcpy/strncpy/strlcpy. 
(they all use a common source with defines to determine which to build).
 2013-01-02 05:54:58 +00:00
matt 44d1b59f26 Make this work on all ARMs but keep the armv6 optimizations. It as fast as 
the existing strlen for small string and once strings are 8 bytes or more in
length it starts getting significantly faster.  For really long strings,
compared to the existing strlen, this uses about 1/2 of the cycles for the
non-armv6 version and about 1/3 of the cycles for the armv6 version.
 2012-12-31 07:58:44 +00:00
christos 064bbf208f kill Id RCS keyword. 2012-12-29 20:08:23 +00:00
matt 1316220d88 A few slight speedups (remove one instruction from the main loop). 2012-12-29 05:36:57 +00:00
matt 51f99baf1e strlen implementation for armv6 and later. Uses clz and uqadd8 to really 
speed the search for NUL.  as fast as normal strlen at about a length of
6 or 7 and 2-3 times faster starting around 10.
 2012-12-28 07:10:41 +00:00
matt 780493cbdc Debug. This becomes faster than the normal strlen at about 80 characters. 2012-12-28 05:15:08 +00:00
matt 817045ffb8 Don't need to include assym.h 
Add a missing comma.
 2012-12-18 06:14:23 +00:00