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authorLiubov Dmitrieva <liubov.dmitrieva@gmail.com>2011-07-19 17:11:54 -0400
committerUlrich Drepper <drepper@gmail.com>2011-07-19 17:11:54 -0400
commit99710781cc47002612e609c7dc5f34692b64e9b3 (patch)
treeac3c980ce57d0420fff758faffbd59d111026219 /ChangeLog
parent7dc6bd90c569c49807462b0740b18e32fab4d8b7 (diff)
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Improve 64 bit strcat functions with SSE2/SSSE3
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+2011-07-15 Liubov Dmitrieva <liubov.dmitrieva@intel.com>
+
+ * sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Add
+ strcat-ssse3 strcat-sse2-unaligned strncat-ssse3
+ strncat-sse2-unaligned strncat-c strlen-sse2-pminub
+ * sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S: New file.
+ * sysdeps/x86_64/multiarch/strcat.S: New file.
+ * sysdeps/x86_64/multiarch/strncat.S: New file.
+ * sysdeps/x86_64/multiarch/strncat-c.c: New file.
+ * sysdeps/x86_64/multiarch/strcat-ssse3.S: New file.
+ * sysdeps/x86_64/multiarch/strncat-sse2-unaligned.S: New file.
+ * sysdeps/x86_64/multiarch/strncat-ssse3.S: New file.
+ * sysdeps/x86_64/multiarch/strcpy-ssse3.S
+ (USE_AS_STRCAT): Define.
+ Add strcat and strncat support.
+ * sysdeps/x86_64/multiarch/strlen-no-bsf.S: Likewise.
+ * sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S: Likewise.
+ * sysdeps/x86_64/multiarch/strlen-sse2-pminub.S: New file.
+ * string/strncat.c: Update.
+ (USE_AS_STRNCAT): Define.
+ * sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features):
+ Turn on bit_Prefer_PMINUB_for_stringop for Intel Core i3, i5
+ and i7.
+ * sysdeps/x86_64/multiarch/init-arch.h
+ (bit_Prefer_PMINUB_for_stringop): New.
+ (index_Prefer_PMINUB_for_stringop): Likewise.
+ * sysdeps/x86_64/multiarch/strlen.S (strlen): Check
+ bit_Prefer_PMINUB_for_stringop.
+
2011-07-19 Ulrich Drepper <drepper@gmail.com>
* crypt/sha512.h (struct sha512_ctx): Move buffer into union and add