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r242556 - in /trunk/gcc: ChangeLog builtins.c c...


Author: acsawdey
Date: Thu Nov 17 18:58:16 2016
New Revision: 242556

URL: https://gcc.gnu.org/viewcvs?rev=242556&root=gcc&view=rev
Log:
2016-11-17  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	* config/i386/i386.md (cmpstrnsi): New test to bail out if neither
	string input is a string constant.
	* builtins.c (expand_builtin_strncmp): Attempt expansion of strncmp
	via cmpstrnsi even if neither string is constant.



Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/config/i386/i386.md


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