r122817 - in /trunk/gcc: ChangeLog testsuite/Ch...

[irar@gcc.gnu.org]

Author: irar
Date: Sun Mar 11 11:13:34 2007
New Revision: 122817

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122817
Log:
	* tree-data-ref.c (analyze_offset): Add a return value (bool) to
	indicate success/failure of the analysis. Add negation to subtrahend
	in case of subtraction. Fail if both operands contain constants.
	(create_data_ref): Fail if analyze_offset fails.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/fast-math-vect-pr29925.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-data-ref.c