Committed to trunk as 242556 after removing the use->clobber change
from cmpstrnsi and bootstrap/regtest.
gcc/ChangeLog
2016-11-17 Aaron Sawdey <acsaw...@linux.vnet.ibm.com>
* config/i386/i386.md (cmpstrnsi): New test to bail out if neither
string input is a string constant.
2016-11-17 Aaron Sawdey <acsaw...@linux.vnet.ibm.com>
* builtins.c (expand_builtin_strncmp): Attempt expansion of strncmp
via cmpstrnsi even if neither string is constant.
--
Aaron Sawdey, Ph.D. acsaw...@linux.vnet.ibm.com
050-2/C113 (507) 253-7520 home: 507/263-0782
IBM Linux Technology Center - PPC Toolchain
