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authorRajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>2016-12-13 10:53:42 +0530
committerRajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>2016-12-13 10:53:42 +0530
commitd89060d60307c84995177a6fba2ed80c96f6b914 (patch)
treef5d36eab18ecd6cced3967e2b896f48894edc50c /ChangeLog
parent92dcaa3e2f7bf0f7f1c04cd2fb6a317df1a4e225 (diff)
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powerpc: strncmp optimization for power9
Vectorized loops are used for strings > 32B when compared
to power8 optimization.

Tested on power9 ppc64le simulator.
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+2016-12-13  Rajalakshmi Srinivasaraghavan  <raji@linux.vnet.ibm.com>
+
+	* sysdeps/powerpc/powerpc64/multiarch/Makefile
+	(sysdep_routines): Add strncmp_power9.
+	* sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+	(strncmp): Add __strncmp_power9 to list of strncmp functions.
+	* sysdeps/powerpc/powerpc64/multiarch/strncmp-power9.S: New file.
+	* sysdeps/powerpc/powerpc64/multiarch/strncmp.c
+	(strncmp): Add __strncmp_power9 to ifunc list.
+	* sysdeps/powerpc/powerpc64/power9/strncmp.S: New file.
+
 2016-12-12  Florian Weimer  <fweimer@redhat.com>
 
 	[BZ #17252]