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[Bug target/33431] [SH4] performance regression between 3.4.6 and 4.x
- From: "nbkolchin at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Sep 2007 16:10:50 -0000
- Subject: [Bug target/33431] [SH4] performance regression between 3.4.6 and 4.x
- References: <bug-33431-12348@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from nbkolchin at gmail dot com 2007-09-14 16:10 -------
Thank you for your reply.
Variants:
- you are not using: "-m4 -ml", but some other architecture settings.
- SH7751R and SH7750R have different instruction pipeline (probably not, both
are SH4-200 variants as I know).
- gcc for linux is different from gcc for RTEMS (how this can be checked?)
- processor endians are different.
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nbkolchin at gmail dot com changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33431