[Bug rtl-optimization/47477] [4.8/4.9/5 regression] Sub-optimal mov at end of method
law at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Fri Feb 13 20:18:00 GMT 2015
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47477
--- Comment #21 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Fri Feb 13 20:17:55 2015
New Revision: 220695
URL: https://gcc.gnu.org/viewcvs?rev=220695&root=gcc&view=rev
Log:
PR rtl-optimization/47477
* match.pd (convert (plus/minus (convert @0) (convert @1): New
simplifier to narrow arithmetic.
PR rtl-optimization/47477
* gcc.dg/tree-ssa/pr47477.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr47477.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/match.pd
trunk/gcc/testsuite/ChangeLog
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