[Bug rtl-optimization/47166] [4.5 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 #28 from Bernd Schmidt <bernds at gcc dot gnu.org> 2011-02-11 
16:01:24 UTC ---
Author: bernds
Date: Fri Feb 11 16:01:19 2011
New Revision: 170053

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170053
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:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/reload1.c