[Bug tree-optimization/57741] New: ICE in tree.c:build_int_cst_wide starting in revision 200394

[Bug tree-optimization/57741] New: ICE in tree.c:build_int_cst_wide starting in revision 200394

[pthaugen at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57741

            Bug ID: 57741
           Summary: ICE in tree.c:build_int_cst_wide starting in revision
                    200394
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pthaugen at gcc dot gnu.org
                CC: bergner at gcc dot gnu.org, jakub at gcc dot gnu.org
              Host: powerpc64-linux
            Target: powerpc64-linux
             Build: powerpc64-linux

Created attachment 30399
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30399&action=edit
Reduced testcase

CPU2000 benchmarks mesa and apsi fail to build starting with r200394. Reduced
testcase from mesa attatched.

[pthaugen@igoo delta]$ ~/install/gcc/trunk/bin/gcc -c -O3 -mcpu=power7 -m64
-funroll-loops triangle.c 
triangle.c: In function 'general_textured_triangle':
triangle.c:339:1: internal compiler error: in build_int_cst_wide, at
tree.c:1214
 general_textured_triangle (GLcontext * ctx, GLuint v0, GLuint v1, GLuint v2,
 ^
0x1086129f build_int_cst_wide(tree_node*, unsigned long, long)
    /home/pthaugen/src/gcc/trunk/gcc/gcc/tree.c:1214
0x10861837 double_int_to_tree(tree_node*, double_int)
    /home/pthaugen/src/gcc/trunk/gcc/gcc/tree.c:1068
0x1081488b get_initial_def_for_induction
    /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-vect-loop.c:3279
0x1081488b vectorizable_induction(gimple_statement_d*, gimple_stmt_iterator_d*,
gimple_statement_d**)
    /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-vect-loop.c:5351
0x1080cb97 vect_transform_stmt(gimple_statement_d*, gimple_stmt_iterator_d*,
bool*, _slp_tree*, _slp_instance*)
    /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-vect-stmts.c:5784
0x10811c9f vect_transform_loop(_loop_vec_info*)
    /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-vect-loop.c:5602
0x108346d7 vectorize_loops()
    /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-vectorizer.c:123
0x10747443 tree_vectorize
    /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-ssa-loop.c:222
Please submit a full bug report,
with preprocessed source if appropriate.

[Bug tree-optimization/57741] ICE in tree.c:build_int_cst_wide starting in revision 200394

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57741

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2013-06-27
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 30400
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30400&action=edit
gcc49-pr57741.patch

Untested fix.

[Bug tree-optimization/57741] ICE in tree.c:build_int_cst_wide starting in revision 200394

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57741

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

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

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Jul  2 11:54:09 2013
New Revision: 200600

URL: http://gcc.gnu.org/viewcvs?rev=200600&root=gcc&view=rev
Log:
    PR tree-optimization/57741
    * tree-vect-loop.c (vect_is_simple_iv_evolution): Disallow
    non-INTEGRAL_TYPE_P non-SCALAR_FLOAT_TYPE_P SSA_NAME step_exprs,
    or SCALAR_FLOAT_TYPE_P SSA_NAMEs if !flag_associative_math.
    Allow REAL_CST step_exprs if flag_associative_math.
    (get_initial_def_for_induction): Handle SCALAR_FLOAT_TYPE_P step_expr.

    * gcc.dg/vect/pr57741-1.c: New test.
    * gcc.dg/vect/pr57741-2.c: New test.
    * gcc.dg/vect/pr57741-3.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr57741-1.c
    trunk/gcc/testsuite/gcc.dg/vect/pr57741-2.c
    trunk/gcc/testsuite/gcc.dg/vect/pr57741-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c