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r242047 - in /trunk/gcc: ChangeLog loop-unroll....


Author: pthaugen
Date: Thu Nov 10 18:55:57 2016
New Revision: 242047

URL: https://gcc.gnu.org/viewcvs?rev=242047&root=gcc&view=rev
Log:
	PR rtl-optimization/78241
	* loop-unroll.c (unroll_loop_runtime_iterations): Don't adjust 'niter', but
	emit initial peel copy if niter expr is not reliable.

	* gcc.dg/pr78241.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/pr78241.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/loop-unroll.c
    trunk/gcc/testsuite/ChangeLog


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