[Bug target/51244] [SH] Inefficient conditional branch and code around T bit

[olegendo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51244



--- Comment #57 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-11-03 
12:01:05 UTC ---

Author: olegendo

Date: Sat Nov  3 12:01:01 2012

New Revision: 193119



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193119

Log:

    PR target/51244

    * config/sh/sh.md (*cbranch_t): Allow splitting after reload.

    Allow going beyond current basic block before reload when looking for

    the reg set insn.

    * config/sh/sh.c (sh_find_set_of_reg): Don't stop at labels.



    PR target/51244

    * gcc.target/sh/pr51244-18.c: New.

    * gcc.target/sh/pr51244-19.c: New.





Added:

    trunk/gcc/testsuite/gcc.target/sh/pr51244-18.c

    trunk/gcc/testsuite/gcc.target/sh/pr51244-19.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/config/sh/sh.c

    trunk/gcc/config/sh/sh.md

    trunk/gcc/testsuite/ChangeLog