optimization/6010: sse code appears to have issues with some instructions

[jakub@gcc.gnu.org]

Synopsis: sse code appears to have issues with some instructions

State-Changed-From-To: open->analyzed
State-Changed-By: jakub
State-Changed-When: Thu Apr 18 05:56:37 2002
State-Changed-Why:
    Simplified into:
    /* PR optimization/6010 */
    /* { dg-do compile } */
    /* { dg-options "-O2 -funroll-all-loops" } */
    /* { dg-options "-O2 -funroll-all-loops -march=pentium3" { target i?86-*-* } } */
    
    void bar (float);
    
    void foo (float y, unsigned long z)
    {
      int b;
      float c = y;
    
      for (b = 0; b < z; b++)
        {
          bar (c);
          if (c == y)
            c = -y;
          else
            c = y;
        }
    }

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6010