[Bug rtl-optimization/20756] Clobbers of deleted insns are processed, but left out

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-05-13 
13:34 -------
Subject: Bug 20756

CVSROOT:        /cvs/gcc
Module name:    gcc
Changes by:     [EMAIL PROTECTED]       2005-05-13 13:34:19

Modified files:
        gcc            : basic-block.h 

Log message:
        PR rtl-optimization/20756:
        * basic-block.h (PROP_DEAD_INSN): Define.
        * flow.c (propagate_one_insn): Set during mark_set_regs call
        for a dead insn.
        (mark_set_1): Emit a clobber when we are about to delete a dead insn
        that kills a live register.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/basic-block.h.diff?cvsroot=gcc&r1=1.255&r2=1.256



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20756