https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80425
--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> --- Author: uros Date: Mon May 15 19:04:35 2017 New Revision: 248070 URL: https://gcc.gnu.org/viewcvs?rev=248070&root=gcc&view=rev Log: * config/i386.i386.md (*zero_extendsidi2): Do not penalize non-interunit SSE move alternatives with '?'. (zero-extendsidi peephole2): New peephole to skip intermediate general register in SSE zero-extend sequence. testsuite/ChangeLog: * gcc.target/i386/pr80425-1.c: New test. * gcc.target/i386/pr80425-2.c: Ditto. Added: trunk/gcc/testsuite/gcc.target/i386/pr80425-1.c trunk/gcc/testsuite/gcc.target/i386/pr80425-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.md trunk/gcc/testsuite/ChangeLog