[Bug middle-end/30215] New: FAIL: gcc.dg/pr23818.c (internal compiler error)

[Bug middle-end/30215] New: FAIL: gcc.dg/pr23818.c (internal compiler error)

[danglin at gcc dot gnu dot org]

Executing on host: /home/dave/gcc-4.3/objdir/gcc/xgcc
-B/home/dave/gcc-4.3/objdi
r/gcc/ /home/dave/gcc-4.3/gcc/gcc/testsuite/gcc.dg/pr23818.c   -O2
-fno-tree-dom
inator-opts -fno-show-column  -lm   -o ./pr23818.exe    (timeout = 300)
/home/dave/gcc-4.3/gcc/gcc/testsuite/gcc.dg/pr23818.c: In function 'foo':
/home/dave/gcc-4.3/gcc/gcc/testsuite/gcc.dg/pr23818.c:20: internal compiler
erro
r: in output_address, at final.c:3182
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
compiler exited with status 1
output is:
/home/dave/gcc-4.3/gcc/gcc/testsuite/gcc.dg/pr23818.c: In function 'foo':
/home/dave/gcc-4.3/gcc/gcc/testsuite/gcc.dg/pr23818.c:20: internal compiler
erro
r: in output_address, at final.c:3182
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

FAIL: gcc.dg/pr23818.c (internal compiler error)
FAIL: gcc.dg/pr23818.c (test for excess errors)

Starting program: /home/dave/gcc-4.3/objdir/gcc/cc1 `cat xx.sh`
GNU C version 4.3.0 20061213 (experimental) (hppa-linux)
        compiled by GNU C version 4.3.0 20061213 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
options passed:  -iprefix
 /home/dave/gcc-4.3/objdir/gcc/../lib/gcc/hppa-linux/4.3.0/ -isystem
 /home/dave/gcc-4.3/objdir/gcc/include
 /home/dave/gcc-4.3/gcc/gcc/testsuite/gcc.dg/pr23818.c -auxbase-strip
 ./pr23818.s -O2 -fno-tree-dominator-opts -fno-show-column
options enabled:  -falign-loops -fargument-alias -fbranch-count-reg
 -fcaller-saves -fcommon -fcprop-registers -fcrossjumping
 -fcse-follow-jumps -fdefer-pop -fdelayed-branch
 -fdelete-null-pointer-checks -fearly-inlining
 -feliminate-unused-debug-types -femit-class-debug-always
 -fexpensive-optimizations -fforward-propagate -ffunction-cse -fgcse
 -fgcse-lm -fguess-branch-probability -fident -fif-conversion
 -fif-conversion2 -finline-functions-called-once -fipa-pure-const
 -fipa-reference -fipa-type-escape -fivopts -fkeep-static-consts
 -fleading-underscore -fmath-errno -fmerge-constants -fmove-loop-invariants
 -fomit-frame-pointer -foptimize-register-move -foptimize-sibling-calls
 -fpeephole -fpeephole2 -freg-struct-return -fregmove -freorder-blocks
 -freorder-functions -frerun-cse-after-loop -fsched-interblock -fsched-spec
 -fsched-stalled-insns-dep -fschedule-insns -fschedule-insns2
 -fsplit-ivs-in-unroller -fstrict-aliasing -fthread-jumps
 -ftoplevel-reorder -ftrapping-math -ftree-ccp -ftree-ch -ftree-copy-prop
 -ftree-copyrename -ftree-dce -ftree-dse -ftree-fre -ftree-loop-im
 -ftree-loop-ivcanon -ftree-loop-optimize -ftree-pre -ftree-salias
 -ftree-sink -ftree-sra -ftree-store-ccp -ftree-store-copy-prop -ftree-ter
 -ftree-vect-loop-version -ftree-vrp -funit-at-a-time -fvar-tracking
 -fzero-initialized-in-bss -mbig-switch -mgas -mglibc -mno-space-regs
Compiler executable checksum: f865cc56161569c8f9e4f97e8e9517f1
 foo main
Analyzing compilation unit
Performing interprocedural optimizations
Assembling functions:
 foo
/home/dave/gcc-4.3/gcc/gcc/testsuite/gcc.dg/pr23818.c: In function 'foo':
/home/dave/gcc-4.3/gcc/gcc/testsuite/gcc.dg/pr23818.c:20: internal compiler
error: in output_address, at final.c:3182

Breakpoint 1, output_address (x=0x400aadd0) at ../../gcc/gcc/final.c:3182
3182      PRINT_OPERAND_ADDRESS (asm_out_file, x);
(gdb) p debug_rtx (x)
(plus:SI (const_int 0 [0x0])
    (reg/v/f:SI 26 %r26 [orig:144 p ] [144]))

(gdb) p debug_rtx (insn)
(insn 75 78 87 (set (reg:SI 28 %r28 [151])
        (mem:SI (plus:SI (const_int 0 [0x0])
                (reg/v/f:SI 26 %r26 [orig:144 p ] [144])) [5 S4 A32])) 37
{*pa.md:2482} (nil)
    (expr_list:REG_EQUIV (mem:SI (plus:SI (const_int 0 [0x0])
                (reg/v/f:SI 26 %r26 [orig:144 p ] [144])) [5 S4 A32])
        (nil)))

Seems to have been created by expand:

;; MEM[base: q, index: 0B] = MEM[base: p, index: 0B] + 10
(insn 75 73 76 (set (reg:SI 151)
        (mem:SI (plus:SI (const_int 0 [0x0])
                (reg/v/f:SI 144 [ p ])) [5 S4 A32])) -1 (nil)
    (nil))

The PLUS isn't in canonical form.

#define PRINT_OPERAND_ADDRESS(FILE, ADDR)  \
{ rtx addr = ADDR;                                                      \
  switch (GET_CODE (addr))                                              \
    {                                                                   \
    case REG:                                                           \
      fprintf (FILE, "0(%s)", reg_names [REGNO (addr)]);                \
      break;                                                            \
    case PLUS:                                                          \
      gcc_assert (GET_CODE (XEXP (addr, 1)) == CONST_INT);              \
      fprintf (FILE, "%d(%s)", (int)INTVAL (XEXP (addr, 1)),            \
               reg_names [REGNO (XEXP (addr, 0))]);                     \
      break;                                                            \


-- 
           Summary: FAIL: gcc.dg/pr23818.c (internal compiler error)
           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-unknown-linux-gnu
  GCC host triplet: hppa-unknown-linux-gnu
GCC target triplet: hppa-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30215

[Bug middle-end/30215] FAIL: gcc.dg/pr23818.c (internal compiler error)

[danglin at gcc dot gnu dot org]

------- Comment #1 from danglin at gcc dot gnu dot org  2006-12-14 23:21 -------
This is the backtrace that creates the insn:

(gdb) bt
#0  emit_move_sequence (operands=0xc002d508, mode=SImode, scratch_reg=0x0)
    at ../../gcc/gcc/config/pa/pa.c:1331
#1  0x002d4fa0 in gen_movsi (operand0=0x400aadf0, operand1=0x400aade0)
    at ../../gcc/gcc/config/pa/pa.md:2428
#2  0x00246aa4 in emit_move_insn_1 (x=0x400aadf0, y=0x400aade0)
    at ../../gcc/gcc/expr.c:3090
#3  0x00246fd0 in emit_move_insn (x=0x400aadf0, y=0x400aade0)
    at ../../gcc/gcc/expr.c:3318
#4  0x0021e214 in copy_to_mode_reg (mode=SImode, x=0x400aade0)
    at ../../gcc/gcc/explow.c:644
#5  0x002fa0bc in expand_binop (mode=<value optimized out>,
    binoptab=0x400151e0, op0=0x400aade0, op1=0x4000f260, target=0x400aadc0,
    unsignedp=0, methods=OPTAB_LIB_WIDEN) at ../../gcc/gcc/optabs.c:1361
#6  0x0023ad30 in expand_expr_real_1 (exp=0x400a9e38, target=0x400aadc0,
    tmode=SImode, modifier=EXPAND_NORMAL, alt_rtl=0xc002d048)
    at ../../gcc/gcc/expr.c:8845
#7  0x002467f0 in expand_expr_real (exp=0x400a9e38, target=0x400aade0,
    tmode=SImode, modifier=1074442600, alt_rtl=0xc002d048)
    at ../../gcc/gcc/expr.c:6717
#8  0x002366e0 in store_expr (exp=0x400a9e38, target=0x400aadc0,
    call_param_p=0) at ../../gcc/gcc/expr.c:4371
#9  0x002377fc in expand_assignment (to=0x400a4508, from=0x400a9e38)
    at ../../gcc/gcc/expr.c:4250
---Type <return> to continue, or q <return> to quit---
#10 0x0023bb98 in expand_expr_real_1 (exp=0x400a57b0, target=0x0,
    tmode=VOIDmode, modifier=EXPAND_NORMAL, alt_rtl=0x0)
    at ../../gcc/gcc/expr.c:8620
#11 0x002466d4 in expand_expr_real (exp=0x400a57b0, target=0x400aade0,
    tmode=VOIDmode, modifier=1074442600, alt_rtl=0x0)
    at ../../gcc/gcc/expr.c:6711
#12 0x00364ed0 in expand_expr_stmt (exp=0xc002d508) at ../../gcc/gcc/expr.h:496
#13 0x003b2374 in expand_gimple_basic_block (bb=0x400a03f0)
    at ../../gcc/gcc/cfgexpand.c:1530
#14 0x003b31dc in tree_expand_cfg () at ../../gcc/gcc/cfgexpand.c:1800
#15 0x003ad398 in execute_one_pass (pass=0x5c9424)
    at ../../gcc/gcc/passes.c:858
#16 0x003ad528 in execute_pass_list (pass=0x5c9424)
    at ../../gcc/gcc/passes.c:903
#17 0x000c6290 in tree_rest_of_compilation (fndecl=0x400948c0)
    at ../../gcc/gcc/tree-optimize.c:463
#18 0x0002a4d0 in c_expand_body (fndecl=0xc002d508)
    at ../../gcc/gcc/c-decl.c:6855
#19 0x003fa850 in cgraph_expand_function (node=0x40013280)
    at ../../gcc/gcc/cgraphunit.c:1096
#20 0x003fdd28 in cgraph_optimize () at ../../gcc/gcc/cgraphunit.c:1161
#21 0x00033454 in c_write_global_declarations () at ../../gcc/gcc/c-decl.c:7968
#22 0x00370d8c in toplev_main (argc=<value optimized out>,
---Type <return> to continue, or q <return> to quit---
    argv=<value optimized out>) at ../../gcc/gcc/toplev.c:1040
#23 0x40721340 in __libc_start_main () from /lib/libc.so.6
#24 0x0001cca8 in _start () at ../sysdeps/hppa/elf/start.S:84

(gdb) frame 8
#8  0x002366e0 in store_expr (exp=0x400a9e38, target=0x400aadc0,
    call_param_p=0) at ../../gcc/gcc/expr.c:4371
4371          temp = expand_expr_real (exp, target, GET_MODE (target),

(gdb) p debug_rtx (target)
(mem:SI (plus:SI (const_int 0 [0x0])
        (reg/v/f:SI 142 [ q ])) [5 S4 A32])


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30215

[Bug middle-end/30215] FAIL: gcc.dg/pr23818.c (internal compiler error)

[danglin at gcc dot gnu dot org]

------- Comment #2 from danglin at gcc dot gnu dot org  2008-02-10 00:35 -------
This is not failing anymore.


-- 

danglin at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30215