[Bug middle-end/52375] [4.6/4.7 Regression] internal compiler error: in extract_insn, at recog.c:2123 at -O3 -mfpu=neon

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52375

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-27 
11:12:48 UTC ---
Reduced testcase:

/* PR tree-optimization/52375 */
/* { dg-do compile } */
/* { dg-options "-march=armv7-a -mfloat-abi=softfp -mfpu=neon -O
-ftree-vectorize" } */
struct C { int c, d; };
unsigned
foo (struct C *p)
{
  unsigned int b = 0, i;
  for (i = 0; i < 64; i++)
    b |= 0x80000000U >> p[i].c;
  return b;
}