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re PR tree-optimization/53355 (Autovectorization of a simple loop could be improved.)
authorRichard Guenther <rguenther@suse.de>
Tue, 15 May 2012 13:18:32 +0000 (13:18 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Tue, 15 May 2012 13:18:32 +0000 (13:18 +0000)
commit8c1f1d428facaaa17c3ce21cfef418948e3c52fa
tree83af2b9b3ebecd6808484f834799b5c45641c689tree
parent1ce499ae1a08089cbafa46e9577de7096298f10acommit | diff
re PR tree-optimization/53355 (Autovectorization of a simple loop could be improved.)

2012-05-15  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/53355
* tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
by constants.

* gcc.dg/tree-ssa/vrp67.c: New testcase.

From-SVN: r187535
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/tree-ssa/vrp67.c [new file with mode: 0644] blob
gcc/tree-vrp.c diff | blob | history