[Bug tree-optimization/38079] gcc segfaults when using -ftree-vectorizer-verbose=9

irar at il dot ibm dot com gcc-bugzilla@gcc.gnu.org
Tue Nov 11 09:26:00 GMT 2008



------- Comment #2 from irar at il dot ibm dot com  2008-11-11 09:24 -------
I am testing the following:

Index: tree-vect-analyze.c
===================================================================
--- tree-vect-analyze.c (revision 141763)
+++ tree-vect-analyze.c (working copy)
@@ -3314,8 +3314,8 @@ vect_analyze_data_refs (loop_vec_info lo

          if (vect_print_dump_info (REPORT_DETAILS))
            {
-             fprintf (dump_file, "analyze in outer-loop: ");
-             print_generic_expr (dump_file, inner_base, TDF_SLIM);
+             fprintf (vect_dump, "analyze in outer-loop: ");
+             print_generic_expr (vect_dump, inner_base, TDF_SLIM);
            }

          outer_base = get_inner_reference (inner_base, &pbitsize, &pbitpos,
@@ -3325,7 +3325,7 @@ vect_analyze_data_refs (loop_vec_info lo
          if (pbitpos % BITS_PER_UNIT != 0)
            {
              if (vect_print_dump_info (REPORT_DETAILS))
-               fprintf (dump_file, "failed: bit offset alignment.\n");
+               fprintf (vect_dump, "failed: bit offset alignment.\n");
              return false;
            }

@@ -3333,7 +3333,7 @@ vect_analyze_data_refs (loop_vec_info lo
          if (!simple_iv (loop, stmt, outer_base, &base_iv, false))
            {
              if (vect_print_dump_info (REPORT_DETAILS))
-               fprintf (dump_file, "failed: evolution of base is not
affine.\n");
+               fprintf (vect_dump, "failed: evolution of base is not
affine.\n");
              return false;
            }

@@ -3353,7 +3353,7 @@ vect_analyze_data_refs (loop_vec_info lo
          else if (!simple_iv (loop, stmt, poffset, &offset_iv, false))
            {
              if (vect_print_dump_info (REPORT_DETAILS))
-               fprintf (dump_file, "evolution of offset is not affine.\n");
+               fprintf (vect_dump, "evolution of offset is not affine.\n");
              return false;
            }

@@ -3376,18 +3376,18 @@ vect_analyze_data_refs (loop_vec_info lo
          STMT_VINFO_DR_ALIGNED_TO (stmt_info) =
                                size_int (highest_pow2_factor
(offset_iv.base));

-         if (dump_file && (dump_flags & TDF_DETAILS))
+         if (vect_dump && (dump_flags & TDF_DETAILS))
            {
-             fprintf (dump_file, "\touter base_address: ");
-             print_generic_expr (dump_file, STMT_VINFO_DR_BASE_ADDRESS
(stmt_info), TDF_SLIM);
-             fprintf (dump_file, "\n\touter offset from base address: ");
-             print_generic_expr (dump_file, STMT_VINFO_DR_OFFSET (stmt_info),
TDF_SLIM);
-             fprintf (dump_file, "\n\touter constant offset from base address:
");
-             print_generic_expr (dump_file, STMT_VINFO_DR_INIT (stmt_info),
TDF_SLIM);
-             fprintf (dump_file, "\n\touter step: ");
-             print_generic_expr (dump_file, STMT_VINFO_DR_STEP (stmt_info),
TDF_SLIM);
-             fprintf (dump_file, "\n\touter aligned to: ");
-             print_generic_expr (dump_file, STMT_VINFO_DR_ALIGNED_TO
(stmt_info), TDF_SLIM);
+             fprintf (vect_dump, "\touter base_address: ");
+             print_generic_expr (vect_dump, STMT_VINFO_DR_BASE_ADDRESS
(stmt_info), TDF_SLIM);
+             fprintf (vect_dump, "\n\touter offset from base address: ");
+             print_generic_expr (vect_dump, STMT_VINFO_DR_OFFSET (stmt_info),
TDF_SLIM);
+             fprintf (vect_dump, "\n\touter constant offset from base address:
");
+             print_generic_expr (vect_dump, STMT_VINFO_DR_INIT (stmt_info),
TDF_SLIM);
+             fprintf (vect_dump, "\n\touter step: ");
+             print_generic_expr (vect_dump, STMT_VINFO_DR_STEP (stmt_info),
TDF_SLIM);
+             fprintf (vect_dump, "\n\touter aligned to: ");
+             print_generic_expr (vect_dump, STMT_VINFO_DR_ALIGNED_TO
(stmt_info), TDF_SLIM);
            }
        }


-- 

irar at il dot ibm dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |irar at il dot ibm dot com
                   |dot org                     |
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2008-11-11 09:24:41
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38079



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