http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59747
--- Comment #10 from Jeffrey A. Law <law at gcc dot gnu.org> --- Author: law Date: Wed Jan 15 18:13:52 2014 New Revision: 206638 URL: http://gcc.gnu.org/viewcvs?rev=206638&root=gcc&view=rev Log: PR tree-optimization/59747 * ree.c (find_and_remove_re): Properly handle case where a second eliminated extension requires widening a copy created for elimination of a prior extension. (combine_set_extension): Ensure that the number of hard regs needed for a destination register does not change when we widen it. PR tree-optimization/59747 * gcc.c-torture/execute/pr59747.c: New test. Added: trunk/gcc/testsuite/gcc.c-torture/execute/pr59747.c Modified: trunk/gcc/ChangeLog trunk/gcc/ree.c trunk/gcc/testsuite/ChangeLog