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r184927 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: jakub at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Mon, 05 Mar 2012 12:28:00 -0000
- Subject: r184927 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: jakub
Date: Mon Mar 5 12:27:55 2012
New Revision: 184927
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184927
Log:
PR tree-optimization/51721
* tree-vrp.c (register_edge_assert_for_2): If comparing
lhs of right shift by constant with an integer constant,
add ASSERT_EXPRs for the rhs1 of the right shift.
* gcc.dg/tree-ssa/vrp63.c: New test.
* gcc.dg/pr51721.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr51721.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp63.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c