[Bug bootstrap/36864] [4.4 Regression] Yet another bootstrap failure on i686-apple-darwin9

[andreast at gcc dot gnu dot org]

------- Comment #15 from andreast at gcc dot gnu dot org  2008-07-19 20:31 -------
Ok here the output requested in comment #13, I hope I did catch it correctly:

(gdb) i b
Num Type           Disp Enb Address    What
2   breakpoint     keep y   0x00272f78 in extract_ops_from_tree at
/Volumes/development/gcc/tuples/gcc/gcc/gimple.c:377
        breakpoint already hit 1561 times
(gdb) ignore 2 1560
Will ignore next 1560 crossings of breakpoint 2.
(gdb) r
Starting program: /Volumes/development/gcc/head/objdir/gcc/cc1 -fpreprocessed
matmul_i4.i -feliminate-unused-debug-symbols -fPIC -quiet -dumpbase matmul_i4.c
-mmacosx-version-min=10.5.4 -auxbase-strip .libs/matmul_i4.o -g -O2 -Wall
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wextra
-Wwrite-strings -std=gnu99 -version -fcx-fortran-rules -ftree-vectorize
-funroll-loops -fno-common -o matmul_i4.s
GNU C (gimple-tuples-branch merged with rev 137837) version 4.4.0 20080715
(experimental) [gimple-tuples-branch revision 137915]
(powerpc-apple-darwin9.4.0)
        compiled by GNU C version 4.4.0 20080715 (experimental)
[gimple-tuples-branch revision 137915], GMP version 4.2.2, MPFR version 2.3.0.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: df86ceeb6f7ac22c821630e231e69829

Breakpoint 2, extract_ops_from_tree (expr=0x8d03c0, subcode_p=0xbfffec08,
op1_p=0xbfffec0c, op2_p=0xbfffec10) at
/Volumes/development/gcc/tuples/gcc/gcc/gimple.c:377
377       *subcode_p = TREE_CODE (expr);
(gdb) i b
Num Type           Disp Enb Address    What
2   breakpoint     keep y   0x00272f78 in extract_ops_from_tree at
/Volumes/development/gcc/tuples/gcc/gcc/gimple.c:377
        breakpoint already hit 1561 times
(gdb) call debug_tree (expr)
 <realign_load 0x8d03c0
    type <vector_type 0x856d90
        type <integer_type 0x40f14310 int sizes-gimplified asm_written public
SI
            size <integer_cst 0x40952540 constant 32>
            unit size <integer_cst 0x409521b0 constant 4>
            align 32 symtab 1090212704 alias set 2 canonical type 0x40f14310
precision 32 min <integer_cst 0x409524b0 -2147483648> max <integer_cst
0x409524e0 2147483647>
            pointer_to_this <pointer_type 0x40f1b850>>
        V4SI
        size <integer_cst 0x409528a0 constant 128>
        unit size <integer_cst 0x409528d0 constant 16>
        align 128 symtab 0 alias set 2 canonical type 0x40f83850 nunits 4
        pointer_to_this <pointer_type 0x8cacb0>>

    arg 0 <ssa_name 0x866840 type <vector_type 0x856d90>
        var <var_decl 0x8cbc60 vect_var_.149>def_stmt vect_var_.149_484 = PHI
<(81), vect_var_.138_580(178)>

        version 484>
    arg 1 <ssa_name 0x896900 type <vector_type 0x856d90>
        var <var_decl 0x8d1000 vect_var_.157>def_stmt vect_var_.157_966 =
A*ivtmp.156_968;

        version 966>
    arg 2 <ssa_name 0x866d00
        type <vector_type 0x40f83d90 __vector signed char type <integer_type
0x40f140e0 signed char>
            V16QI size <integer_cst 0x409528a0 128> unit size <integer_cst
0x409528d0 16>
            align 128 symtab 0 alias set -1 canonical type 0x40f83d90 nunits
16>
        var <var_decl 0x8cbc00 vect_var_.148>def_stmt vect_var_.148_503 =
__builtin_altivec_mask_for_load (vect_p.147_522);

        version 503>>
(gdb) n
1512      return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
(gdb) 
377       *subcode_p = TREE_CODE (expr);
(gdb) 
380       if (class == GIMPLE_BINARY_RHS)
(gdb) 
385       else if (class == GIMPLE_UNARY_RHS)
(gdb) 
390       else if (class == GIMPLE_SINGLE_RHS)
(gdb) 
396         gcc_unreachable ();
(gdb) 
/Volumes/development/gcc/tuples/gcc/libgfortran/generated/matmul_i4.c: In
function 'matmul_i4':
/Volumes/development/gcc/tuples/gcc/libgfortran/generated/matmul_i4.c:87:
internal compiler error: in extract_ops_from_tree, at gimple.c:396
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Program exited with code 04.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36864