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Subject: [Bug target/49263] SH Target: underutilized "TST #imm, R0" instruction
Date: Sat, 15 Oct 2011 02:33:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49263

--- Comment #13 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2011-10-15 02:32:56 UTC ---
Author: kkojima
Date: Sat Oct 15 02:32:53 2011
New Revision: 180020

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180020
Log:
    PR target/49263
    * config/sh/sh.h (ZERO_EXTRACT_ANDMASK): New macro.
    * config/sh/sh.c (sh_rtx_costs): Add test instruction case.
    * config/sh/sh.md (tstsi_t): Name existing insn.  Make inner
    and instruction commutative.
    (tsthi_t, tstqi_t, tstqi_t_zero, tstsi_t_and_not,
    tstsi_t_zero_extract_eq, tstsi_t_zero_extract_xor,
    tstsi_t_zero_extract_subreg_xor_little,
    tstsi_t_zero_extract_subreg_xor_big): New insns.
    (*movsicc_t_false, *movsicc_t_true): Replace space with tab in
    asm output.
    (*andsi_compact): Reorder alternatives so that K08 is considered
    first.
    * gcc.target/sh/pr49263.c: New.


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