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(parent: baee176) | patch
re PR tree-optimization/57083 (Wrong constant folding)
authorJakub Jelinek <jakub@redhat.com>
Mon, 29 Apr 2013 07:55:09 +0000 (09:55 +0200)
committerJakub Jelinek <jakub@gcc.gnu.org>
Mon, 29 Apr 2013 07:55:09 +0000 (09:55 +0200)
commit94dc53320e6c22ef0d3f8d8db83c2492de001f5b
tree6cf1064a1d9c33e18ac75ab7b877083fc02d1b1ctree
parentbaee1763e2c82dab41d55da559292030974b41c6commit | diff
re PR tree-optimization/57083 (Wrong constant folding)

PR tree-optimization/57083
* tree-vrp.c (extract_range_from_binary_expr_1): For LSHIFT_EXPR with
non-singleton shift count range, zero extend low_bound for uns case.

* gcc.dg/torture/pr57083.c: New test.

From-SVN: r198388
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/torture/pr57083.c [new file with mode: 0644] blob
gcc/tree-vrp.c diff | blob | history