[Bug rtl-optimization/34773] [4.3 Regression] miscompilation of vfprintf_r

[hp at gcc dot gnu dot org]

------- Comment #9 from hp at gcc dot gnu dot org  2008-02-01 21:29 -------
Subject: Bug 34773

Author: hp
Date: Fri Feb  1 21:28:46 2008
New Revision: 132053

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132053
Log:
        PR rtl-optimization/34773
        * reg-notes.def (EQUAL): Mention significance of combination of
        REG_EQUAL and REG_RETVAL.
        * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
        insn that has a REG_RETVAL.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fwprop.c
    trunk/gcc/reg-notes.def


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34773