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[Bug target/64376] New: [SH] Improve bswap support

From: "olegendo at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
To: gcc-bugs at gcc dot gnu dot org
Date: Mon, 22 Dec 2014 15:21:46 +0000
Subject: [Bug target/64376] New: [SH] Improve bswap support
Auto-submitted: auto-generated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64376

            Bug ID: 64376
           Summary: [SH] Improve bswap support
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: olegendo at gcc dot gnu.org
            Target: sh*-*-*

There have been some improvements made w.r.t. bswap pattern detection at the
tree level.  Some of them expect a bswaphi2 expander, which is absent on SH
(see PR 63259).  It seems that adding the bswaphi2 pattern is not enough and we
still need support from combine to get better pattern matching.

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