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r123708 - in /trunk/gcc: ChangeLog testsuite/gc...


Author: spop
Date: Wed Apr 11 01:09:35 2007
New Revision: 123708

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123708
Log:
	PR tree-optimization/31343
	* tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
	(build_polynomial_chrec): Return a scalar when the evolution is zero.
	* testsuite/gcc.dg/vect/pr31343.c: New.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr31343.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-chrec.h


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