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path: root/sysdeps/x86_64/multiarch/strstr.c
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* Update copyright dates with scripts/update-copyrights.Joseph Myers2017-01-011-1/+1
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* Update copyright dates with scripts/update-copyrights.Joseph Myers2016-01-041-1/+1
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* Update x86_64 multiarch functions for <cpu-features.h>H.J. Lu2015-08-131-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updates x86_64 multiarch functions to use the newly defined HAS_CPU_FEATURE, HAS_ARCH_FEATURE and LOAD_RTLD_GLOBAL_RO_RDX from <cpu-features.h>. * sysdeps/x86_64/fpu/multiarch/e_asin.c: Replace HAS_XXX with HAS_CPU_FEATURE/HAS_ARCH_FEATURE (XXX). * sysdeps/x86_64/fpu/multiarch/e_atan2.c: Likewise. * sysdeps/x86_64/fpu/multiarch/e_exp.c: Likewise. * sysdeps/x86_64/fpu/multiarch/e_log.c: Likewise. * sysdeps/x86_64/fpu/multiarch/e_pow.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_atan.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_fma.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_fmaf.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_sin.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_tan.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_ceil.S: Use LOAD_RTLD_GLOBAL_RO_RDX and HAS_CPU_FEATURE (SSE4_1). * sysdeps/x86_64/fpu/multiarch/s_ceilf.S: Likewise. * sysdeps/x86_64/fpu/multiarch/s_floor.S: Likewise. * sysdeps/x86_64/fpu/multiarch/s_floorf.S: Likewise. * sysdeps/x86_64/fpu/multiarch/s_nearbyint.S : Likewise. * sysdeps/x86_64/fpu/multiarch/s_nearbyintf.S: Likewise. * sysdeps/x86_64/fpu/multiarch/s_rintf.S: Likewise. * sysdeps/x86_64/fpu/multiarch/s_rintf.S : Likewise. * sysdeps/x86_64/multiarch/ifunc-impl-list.c: Likewise. * sysdeps/x86_64/multiarch/sched_cpucount.c: Likewise. * sysdeps/x86_64/multiarch/strstr.c: Likewise. * sysdeps/x86_64/multiarch/memmove.c: Likewise. * sysdeps/x86_64/multiarch/memmove_chk.c: Likewise. * sysdeps/x86_64/multiarch/test-multiarch.c: Likewise. * sysdeps/x86_64/multiarch/memcmp.S: Remove __init_cpu_features call. Add LOAD_RTLD_GLOBAL_RO_RDX. Replace HAS_XXX with HAS_CPU_FEATURE/HAS_ARCH_FEATURE (XXX). * sysdeps/x86_64/multiarch/memcpy.S: Likewise. * sysdeps/x86_64/multiarch/memcpy_chk.S: Likewise. * sysdeps/x86_64/multiarch/mempcpy.S: Likewise. * sysdeps/x86_64/multiarch/mempcpy_chk.S: Likewise. * sysdeps/x86_64/multiarch/memset.S: Likewise. * sysdeps/x86_64/multiarch/memset_chk.S: Likewise. * sysdeps/x86_64/multiarch/strcat.S: Likewise. * sysdeps/x86_64/multiarch/strchr.S: Likewise. * sysdeps/x86_64/multiarch/strcmp.S: Likewise. * sysdeps/x86_64/multiarch/strcpy.S: Likewise. * sysdeps/x86_64/multiarch/strcspn.S: Likewise. * sysdeps/x86_64/multiarch/strspn.S: Likewise. * sysdeps/x86_64/multiarch/wcscpy.S: Likewise. * sysdeps/x86_64/multiarch/wmemcmp.S: Likewise.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2015-01-021-1/+1
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* Update copyright notices with scripts/update-copyrightsAllan McRae2014-01-011-1/+1
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* Add strstr with unaligned loads. Fixes bug 12100.Ondřej Bílka2013-12-141-363/+25
| | | | | | | | | | A sse42 version of strstr used pcmpistr instruction which is quite ineffective. A faster way is look for pairs of characters which is uses sse2, is faster than pcmpistr and for real strings a pairs we look for are relatively rare. For linear time complexity we use buy or rent technique which switches to two-way algorithm when superlinear behaviour is detected.
* Remove lots of inline keywords.Roland McGrath2013-02-071-3/+4
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* Update copyright notices with scripts/update-copyrights.Joseph Myers2013-01-021-1/+1
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* Replace FSF snail mail address with URLs.Paul Eggert2012-02-091-3/+2
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* More cleanups of x86-64 strstrUlrich Drepper2011-10-281-13/+12
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* Clean up x86-64 strcasestrUlrich Drepper2011-10-281-13/+12
| | | | Actually describe in the C code what is going on.
* Clean up SSE variable shiftsRichard Henderson2010-08-241-61/+1
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* Fix tolower operation in strcasestr.Ulrich Drepper2010-07-301-1/+1
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* Speed up x86-64 strcasestr a bit moew.Ulrich Drepper2010-07-241-5/+11
| | | | | Using the new SSE4.2 instructions is cool but not really the fastest. Some older SSE instructions can do the trick faster.
* Add strcasestr-nonascii to i386 buildAndreas Schwab2010-07-211-5/+8
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* Fix non-ASCII case of SSE4.2 strcasstr.Ulrich Drepper2010-07-161-0/+2
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* Speed up SSE4.2 strcasestr by avoiding indirect function call.Ulrich Drepper2010-07-161-48/+20
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* Minor cleanups in x86-64 strstr.Ulrich Drepper2009-07-211-78/+55
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* Better check for optimization in new x86-64 strstr/strcasestr.Ulrich Drepper2009-07-201-11/+15
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* SSE4.2 strstr/strcasestr for x86-64.H.J. Lu2009-07-201-0/+483
This patch implements SSE4.2 strstr/strcasestr, using Knuth-Morris-Pratt string searching algorithm.
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