[Bug target/51957] [4.7 Regression] ppc64 .debug_loc toc reference

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51957

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-24 
07:24:44 UTC ---
Author: jakub
Date: Tue Jan 24 07:24:34 2012
New Revision: 183468

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183468
Log:
    PR target/51957
    * target.def (const_not_ok_for_debug_p): New hook.
    * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
    documentation.
    * doc/tm.texi: Regenerated.
    * dwarf2out.c (const_ok_for_output_1): If
    targetm.const_not_ok_for_debug_p returns true, fail.
    * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
    function.
    (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.

    * gcc.dg/pr51957-1.c: New test.
    * gcc.dg/pr51957-1.h: New file.
    * gcc.dg/pr51957-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr51957-1.c
    trunk/gcc/testsuite/gcc.dg/pr51957-1.h
    trunk/gcc/testsuite/gcc.dg/pr51957-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.c
    trunk/gcc/doc/tm.texi
    trunk/gcc/doc/tm.texi.in
    trunk/gcc/dwarf2out.c
    trunk/gcc/target.def
    trunk/gcc/testsuite/ChangeLog