r122833 - in /branches/gcc-4_1-branch/gcc: Chan...

[irar@gcc.gnu.org]

Author: irar
Date: Mon Mar 12 06:56:41 2007
New Revision: 122833

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122833
Log:
	PR tree-optimization/29925
	* 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:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/vect/fast-math-vect-pr29925.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_1-branch/gcc/tree-data-ref.c