[Bug target/49263] SH Target: underutilized "TST #imm, R0" instruction

egallager at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Sun Jul 8 21:33:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49263

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |egallager at gcc dot gnu.org

--- Comment #27 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Oleg Endo from comment #26)
> Author: olegendo
> Date: Mon Jan 26 23:56:05 2015
> New Revision: 220144
> 
> URL: https://gcc.gnu.org/viewcvs?rev=220144&root=gcc&view=rev
> Log:
> gcc/
> 	PR target/49263
> 	* config/sh/sh.c (sh_split_treg_set_expr): Invoke emit_insn before
> 	remove_insn.
> 	* config/sh/sh.md (tstsi_t): Don't try to optimize constant with right
> 	shifts if it already fits into K08.
> 
> gcc/testsuite/
> 	PR target/49263
> 	* gcc.target/sh/pr49263-4.c: New.
> 
> 
> Added:
>     trunk/gcc/testsuite/gcc.target/sh/pr49263-4.c
> Modified:
>     trunk/gcc/ChangeLog
>     trunk/gcc/config/sh/sh.c
>     trunk/gcc/config/sh/sh.md
>     trunk/gcc/testsuite/ChangeLog

Did this fix it?


More information about the Gcc-bugs mailing list