This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/34903] -Os code size regression
- From: "sposelenov at emcraft dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Jan 2008 10:55:19 -0000
- Subject: [Bug target/34903] -Os code size regression
- References: <bug-34903-15672@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from sposelenov at emcraft dot com 2008-01-22 10:55 -------
(In reply to comment #7)
> First, please stop changing the categorization of this bug.
>
Sorry.
> The patch which changed this behavior is
>
> http://gcc.gnu.org/ml/gcc-patches/2005-06/msg00276.html
>
Thanks.
> The "regression" is due to a wrong-code bug fix. To reduce the code size, the
> prologue and epilogue need to emit lwm/stwm for two ranges of registers, which
> does not correspond to a standard PowerPC ABI.
>
Would you please comment the fact, that the removal of the "-ffixed" options
doesn't change the code for 4.2.2?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34903