[Bug target/48754] New: FAIL: gcc.dg/binop-xor(1|3).c scan-tree-dump-times optimized "<bb[^>]*>" *

["dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48754

           Summary: FAIL: gcc.dg/binop-xor(1|3).c scan-tree-dump-times
                    optimized "<bb[^>]*>" *
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dominiq@lps.ens.fr
            Target: powerpc*-*-*


gcc.dg/binop-xor(1|3).c is failing on powerpc:

FAIL: gcc.dg/binop-xor1.c scan-tree-dump-times optimized "<bb[^>]*>" 5
FAIL: gcc.dg/binop-xor1.c scan-tree-dump-times optimized "\\^" 1
FAIL: gcc.dg/binop-xor3.c scan-tree-dump-times optimized "<bb[^>]*>" 1
FAIL: gcc.dg/binop-xor3.c scan-tree-dump-times optimized "\\^" 1

(see http://gcc.gnu.org/ml/gcc-testresults/2011-04/msg02081.html and
http://gcc.gnu.org/ml/gcc-testresults/2011-04/msg01980.html ).

The optimized dump is

;; Function foo (foo)

foo (int a, int b, int c)
{
  _Bool D.2857;
  int D.2843;

<bb 2>:
  if (a_2(D) != 0)
    goto <bb 3>;
  else
    goto <bb 4>;

<bb 3>:
  if (b_3(D) == 0)
    goto <bb 5>;
  else
    goto <bb 6>;

<bb 4>:
Invalid sum of incoming frequencies 5000, should be 3750
  if (b_3(D) != 0)
    goto <bb 5>;
  else
    goto <bb 6>;

<bb 5>:
  D.2857_11 = c_4(D) != 0;
  D.2843_9 = (int) D.2857_11;

<bb 6>:
Invalid sum of incoming frequencies 8750, should be 10000
  # D.2843_1 = PHI <D.2843_9(5), 0(4), 0(3)>
  return D.2843_1;

}

instead of

;; Function foo (foo)

foo (int a, int b, int c)
{
  _Bool D.2734;
  _Bool D.2726;
  _Bool D.2725;
  _Bool D.2724;
  int D.2720;

<bb 2>:
  D.2724_3 = a_2(D) != 0;
  D.2725_5 = b_4(D) != 0;
  D.2726_6 = D.2725_5 ^ D.2724_3;
  if (D.2726_6 != 0)
    goto <bb 3>;
  else
    goto <bb 4>;

<bb 3>:
  D.2734_12 = c_7(D) != 0;
  D.2720_13 = (int) D.2734_12;

<bb 4>:
  # D.2720_1 = PHI <D.2720_13(3), 0(2)>
  return D.2720_1;

}

on x86_64-apple-darwin10.