[Bug middle-end/43300] [4.5 Regression] ICE: in emit_move_insn, at expr.c:3432 with -Os -fgraphite-identity

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2010-03-09 00:34 -------
As far as I can tell this is an out of SSA issue here is a testcase which will
fail on every target I know of:
typedef float V2SF __attribute__ ((vector_size (128)));

V2SF
foo (int x, V2SF a)
{
  while (x--)
    a += (V2SF) {1.0f/0.0f - 1.0f/0.0f, 1.0f/0.0f - 1.0f/0.0f};
  return a;
}

a's type will have a mode of BLKmode which is correct for vector types.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu dot
                   |                            |org
             Status|UNCONFIRMED                 |NEW
          Component|rtl-optimization            |middle-end
     Ever Confirmed|0                           |1
   GCC host triplet|x86(_64)-pc-linux-gnu       |
 GCC target triplet|x86(_64)-pc-linux-gnu       |
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|0000-00-00 00:00:00         |2010-03-09 00:34:38
               date|                            |
            Summary|ICE: in emit_move_insn, at  |[4.5 Regression] ICE: in
                   |expr.c:3432 with -Os -      |emit_move_insn, at
                   |fgraphite-identity          |expr.c:3432 with -Os -
                   |                            |fgraphite-identity
   Target Milestone|---                         |4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43300