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[Bug rtl-optimization/63210] ira does not select the best register compared with gcc 4.8 for ARM THUMB1
- From: "zhenqiang.chen at arm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 29 Oct 2014 03:09:46 +0000
- Subject: [Bug rtl-optimization/63210] ira does not select the best register compared with gcc 4.8 for ARM THUMB1
- Auto-submitted: auto-generated
- References: <bug-63210-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63210
--- Comment #4 from Zhenqiang Chen <zhenqiang.chen at arm dot com> ---
(In reply to Ramana Radhakrishnan from comment #3)
> Fixed is it? And does it fail in GCC 4.9 ?
Fixed on trunk. Same fail in GCC 4.9.
It is a performance issue. Do you think it is OK for 4.9?