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r181046 - in /trunk/gcc: ChangeLog dse.c postre...


Author: amylaar
Date: Sun Nov  6 22:58:54 2011
New Revision: 181046

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181046
Log:
        * regset.h (fixed_reg_set_regset): Declare.
        * dse.c: Include regset.h .
        (struct insn_info): Add member fixed_regs_live.
        (note_add_store_info): New typedef.
        (note_add_store): New function.
        (emit_inc_dec_insn_before): Expect arg to be of type insn_info_t .
        Use gen_add3_insn / gen_move_insn.
        Check new insn for unwanted clobbers before emitting it.
        (check_for_inc_dec): Rename to...
        (check_for_inc_dec_1:) ... this.  Return bool.  Take insn_info
        parameter.  Changed all callers in file.
        (check_for_inc_dec, copy_fixed_regs): New functions.
        (scan_insn): Set fixed_regs_live field of insn_info.
        * rtl.h (check_for_inc_dec): Update prototype.
        * postreload.c (reload_cse_simplify): Take new signature of
        check_ind_dec into account.
        * reginfo.c (fixed_reg_set_regset): New variable.
        (init_reg_sets_1): Initialize it.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dse.c
    trunk/gcc/postreload.c
    trunk/gcc/reginfo.c
    trunk/gcc/regset.h
    trunk/gcc/rtl.h


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