[Bug tree-optimization/35834] New: building libiberty fails in build2_stat for -mcpu=m32c as of r133403

[Bug tree-optimization/35834] New: building libiberty fails in build2_stat for -mcpu=m32c as of r133403

[dj at redhat dot com]

$ ./cc1 -fpreprocessed /tmp/cplus-dem.i -quiet -dumpbase cplus-dem.c
-mcpu=m32cm -auxbase-strip cplus-dem.o -g -O2 -W -Wall -Wwrite-strings
-Wc++-compat -Wstrict-prototypes -pedantic -o cplus-dem.s
../../../../gcc/libiberty/cplus-dem.c: In function
'cplus_demangle_name_to_style':
../../../../gcc/libiberty/cplus-dem.c:807: internal compiler error: in
build2_stat, at tree.c:3107


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           Summary: building libiberty fails in build2_stat for -mcpu=m32c
                    as of r133403
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: dj at redhat dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: m32c-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35834

[Bug tree-optimization/35834] building libiberty fails in build2_stat for -mcpu=m32c as of r133403

[dj at redhat dot com]

------- Comment #1 from dj at redhat dot com  2008-04-05 15:36 -------
Created an attachment (id=15433)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15433&action=view)
preprocessed cplus-dem.i


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35834

[Bug tree-optimization/35834] building libiberty fails in build2_stat for -mcpu=m32c as of r133403

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2008-04-05 15:56 -------
This will eventually fix it (and not break sth else):

Index: tree-ssa-address.c
===================================================================
--- tree-ssa-address.c  (revision 133937)
+++ tree-ssa-address.c  (working copy)
@@ -639,9 +639,9 @@ create_mem_ref (block_stmt_iterator *bsi
        {
          atype = TREE_TYPE (parts.base);
          parts.base = force_gimple_operand_bsi (bsi,
-                       fold_build2 (PLUS_EXPR, atype,
+                       fold_build2 (POINTER_PLUS_EXPR, atype,
                                     parts.base,
-                                    fold_convert (atype, parts.index)),
+                                    parts.index),
                        true, NULL_TREE, true, BSI_SAME_STMT);
        }
       else


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35834

[Bug tree-optimization/35834] building libiberty fails in build2_stat for -mcpu=m32c as of r133403

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2008-04-05 16:08 -------
I am testing it on x86_64-linux, can you do m32c testing?


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rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |rguenth at gcc dot gnu dot
                   |dot org                     |org
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2008-04-05 16:08:44
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35834

[Bug tree-optimization/35834] building libiberty fails in build2_stat for -mcpu=m32c as of r133403

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2008-04-08 09:54 -------
Fixed.


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rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |4.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35834

[Bug tree-optimization/35834] building libiberty fails in build2_stat for -mcpu=m32c as of r133403

[rguenth at gcc dot gnu dot org]

------- Comment #5 from rguenth at gcc dot gnu dot org  2008-04-08 09:55 -------
Subject: Bug 35834

Author: rguenth
Date: Tue Apr  8 09:53:52 2008
New Revision: 134090

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=134090
Log:
2008-04-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35834
        * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
        for adding index to base.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-address.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35834