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Subject: [Bug target/51244] [SH] Inefficient conditional branch and code around T bit
Date: Sun, 23 Sep 2012 21:36:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51244

Oleg Endo <olegendo at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|SH Target: Inefficient      |[SH] Inefficient
                   |conditional branch          |conditional branch and code
                   |                            |around T bit

--- Comment #52 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-09-04 08:03:08 UTC ---
Author: olegendo
Date: Tue Sep  4 08:03:01 2012
New Revision: 190909

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190909
Log:
    PR target/51244
    * config/sh/sh.c (prepare_cbranch_operands): Pull out comparison
    canonicalization code into...
    * (sh_canonicalize_comparison): This new function.
    * config/sh/sh-protos.h: Declare it.
    * config/sh/sh.h: Use it in new macro CANONICALIZE_COMPARISON.
    * config/sh/sh.md (cbranchsi4): Remove TARGET_CBRANCHDI4 check and
    always invoke expand_cbranchsi4.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/sh/sh-protos.h
    trunk/gcc/config/sh/sh.c
    trunk/gcc/config/sh/sh.h
    trunk/gcc/config/sh/sh.md