[Bug rtl-optimization/47166] [4.5/4.6 Regression] SpecCpu2000 Ammp segfaults for ARM with -O3 -mthumb

[bernds at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47166

--- Comment #20 from Bernd Schmidt <bernds at gcc dot gnu.org> 2011-01-23 
21:11:27 UTC ---
Author: bernds
Date: Sun Jan 23 21:11:24 2011
New Revision: 169144

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169144
Log:
    PR rtl-optimization/47166
    * reload1.c (emit_reload_insns): Disable the spill_reg_store
    mechanism for PRE_MODIFY and POST_MODIFY.
    (inc_for_reload): For PRE_MODIFY, return the insn that sets the
    reloadreg.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/reload1.c