[Bug middle-end/34926] New: [Regression 4.3] FAIL: gcc.c-torture/execute/va-arg-15.c execution, -O3 -fomit-frame-pointer -funroll-loops

[danglin at gcc dot gnu dot org]

Executing on host: /home/dave/gnu/gcc-4.3/objdir/gcc/xgcc
-B/home/dave/gnu/gcc-4.3/objdir/gcc/
/home/dave/gnu/gcc-4.3/gcc/gcc/testsuite/gcc.c-torture/execute/va-arg-15.c  -w 
-O3 -fomit-frame-pointer -funroll-loops  -fno-show-column  -lm   -o
/home/dave/gnu/gcc-4.3/objdir/gcc/testsuite/gcc/va-arg-15.x4    (timeout = 30
0)
PASS: gcc.c-torture/execute/va-arg-15.c compilation,  -O3 -fomit-frame-pointer
-
funroll-loops
Setting LD_LIBRARY_PATH to
:/home/dave/gnu/gcc-4.3/objdir/gcc::/home/dave/gnu/gcc-4.3/objdir/gcc:/home/dave/gnu/gcc-4.3/objdir/hppa-linux/libstdc++-v3/.libs:/home/dave/gnu/gcc-4.3/objdir/hppa-linux/libmudflap/.libs:/home/dave/gnu/gcc-4.3/ob
jdir/hppa-linux/libssp/.libs:/home/dave/gnu/gcc-4.3/objdir/hppa-linux/libgomp/.l
ibs:/home/dave/gnu/gcc-4.3/objdir/./gcc:/home/dave/gnu/gcc-4.3/objdir/./prev-gcc:/usr/lib/debug
FAIL: gcc.c-torture/execute/va-arg-15.c execution,  -O3 -fomit-frame-pointer
-funroll-loops
Executing on host: /home/dave/gnu/gcc-4.3/objdir/gcc/xgcc
-B/home/dave/gnu/gcc-4.3/objdir/gcc/
/home/dave/gnu/gcc-4.3/gcc/gcc/testsuite/gcc.c-torture/execute/va-arg-15.c  -w 
-O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
-fno-show-column  -lm   -o
/home/dave/gnu/gcc-4.3/objdir/gcc/testsuite/gcc/va-arg-15.x5    (timeout = 300)
PASS: gcc.c-torture/execute/va-arg-15.c compilation,  -O3 -fomit-frame-pointer
-funroll-all-loops -finline-functions
Setting LD_LIBRARY_PATH to
:/home/dave/gnu/gcc-4.3/objdir/gcc::/home/dave/gnu/gcc-4.3/objdir/gcc:/home/dave/gnu/gcc-4.3/objdir/hppa-linux/libstdc++-v3/.libs:/home/dave/gnu/gcc-4.3/objdir/hppa-linux/libmudflap/.libs:/home/dave/gnu/gcc-4.3/objdir/hppa-linux/libssp/.libs:/home/dave/gnu/gcc-4.3/objdir/hppa-linux/libgomp/.libs:/home/dave/gnu/gcc-4.3/objdir/./gcc:/home/dave/gnu/gcc-4.3/objdir/./prev-gcc:/usr/lib/debug
FAIL: gcc.c-torture/execute/va-arg-15.c execution,  -O3 -fomit-frame-pointer
-funroll-all-loops -finline-functions

Suspect the following change:

2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR rtl-optimization/26854
        PR rtl-optimization/34400
        * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
        DF_RD->gen.
        * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
        (df_rd_bb_info.expanded_lr_out): New.
        * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
        * loop_iv.c (iv_analysis_loop_init): Ditto.
        * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
        df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
        Added code to allocate, initialize or free expanded_lr_out.
        (df_rd_bb_local_compute_process_def): Restructured to make
        more understandable.
        (df_rd_confluence_n): Add code to do nothing with fake edges and
        code to no apply invalidate_by_call sets if the sets are being trimmed.
        (df_lr_local_finalize): Renamed to df_lr_finalize.
        (df_live_local_finalize): Renamed to df_live_finalize.


-- 
           Summary: [Regression 4.3] FAIL: gcc.c-torture/execute/va-arg-15.c
                    execution,  -O3 -fomit-frame-pointer -funroll-loops
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: danglin at gcc dot gnu dot org
 GCC build triplet: hppa*-*-* (32-bit)
  GCC host triplet: hppa*-*-* (32-bit)
GCC target triplet: hppa*-*-* (32-bit)


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34926