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r206638 - in /trunk/gcc: ChangeLog ree.c testsu...
- From: law at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Wed, 15 Jan 2014 18:13:54 -0000
- Subject: r206638 - in /trunk/gcc: ChangeLog ree.c testsu...
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