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[Bug target/49865] [4.7 Regression] Unnecessary reload causes small bloat
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 15 Dec 2011 13:39:58 +0000
- Subject: [Bug target/49865] [4.7 Regression] Unnecessary reload causes small bloat
- Auto-submitted: auto-generated
- References: <bug-49865-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49865
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-15 13:39:58 UTC ---
Well, that is the "bad" sequence.
Until r171648 instead of two movl 8(%ebp), %eX insns (one before rep stosl, one
after) there was just one of those and one movl %eA, %eB register move.