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[Bug target/37364] [4.4 Regression] IRA generates inefficient code due to missing regmove pass
- From: "Joey dot ye at intel dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Oct 2008 01:19:51 -0000
- Subject: [Bug target/37364] [4.4 Regression] IRA generates inefficient code due to missing regmove pass
- References: <bug-37364-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #23 from Joey dot ye at intel dot com 2008-10-28 01:19 -------
(In reply to comment #22)
> Created an attachment (id=16571)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16571&action=view) [edit]
> A patch to re-enable regmove
> After applying this patch to re-enable regmove, I got
> [hjl@gnu-6 gcc]$ ./xgcc -B./ -O2 -mtune=core2 /tmp/foo.c -o noira -fno-ira -m32
HJ, is your foo.c the case attached in comment #18?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37364