[Bug rtl-optimization/45394] [4.6 regression] gnat fails to build on s390, trunk 20100918

["ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45394

--- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2010-10-06 14:25:11 UTC ---
Author: ebotcazou
Date: Wed Oct  6 14:25:04 2010
New Revision: 165030

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=165030
Log:
    PR rtl-optimization/45394
    * combine.c (cleanup_auto_inc_dec): Remove AFTER parameter and adjust.
    (struct rtx_subst_pair): Remove AFTER field.
    (propagate_for_debug_subst): Adjust call to cleanup_auto_inc_dec.
    (propagate_for_debug): Remove MOVE parameter and adjust.
    (try_combine): In the special case where I2 is a PARALLEL, combine only
    destinations of SETs and set I2SRC to the I2 source.
    Adjust calls to propagate_for_debug throughout.
    * reload1.c (eliminate_regs_1) <ASM_OPERANDS>: Do not abort for debug
    insns.

Added:
    trunk/gcc/testsuite/gnat.dg/opt6.adb
    trunk/gcc/testsuite/gnat.dg/opt6.ads
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/reload1.c
    trunk/gcc/testsuite/ChangeLog