[Bug middle-end/33693] [4.3 Regression] Type checking error with bitwise xor/and

[Bug middle-end/33693] [4.3 Regression] Type checking error with bitwise xor/and

[rguenth at gcc dot gnu dot org]

------- Comment #1 from rguenth at gcc dot gnu dot org  2007-10-08 12:12 -------
Mine.


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rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |rguenth at gcc dot gnu dot
                   |dot org                     |org
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2007-10-08 12:12:15
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33693

[Bug middle-end/33693] New: [4.3 Regression] Type checking error with bitwise xor/and

[rguenth at gcc dot gnu dot org]

unsigned long modify_field (unsigned long mask, long fieldval)
{
  return (~fieldval & ~mask);
}

value.2.min.i: In function 'modify_field':
value.2.min.i:2: error: type mismatch in binary expression
long unsigned int

long int

long unsigned int

D.1544 = fieldval | mask
value.2.min.i:2: internal compiler error: verify_gimple failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: [4.3 Regression] Type checking error with bitwise
                    xor/and
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code, ice-checking
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rguenth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33693

[Bug middle-end/33693] [4.3 Regression] Type checking error with bitwise xor/and

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2007-10-08 15:24 -------
Subject: Bug 33693

Author: rguenth
Date: Mon Oct  8 15:23:49 2007
New Revision: 129130

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129130
Log:
2007-10-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33693
        PR middle-end/33695
        PR middle-end/33697
        * fold-const.c (fold_binary): Use correct types in folding
        of a * (1 << b) to (a << b).  Likewise for ~A & ~B to ~(A | B)
        and building of RROTATE_EXPR.

        * gcc.dg/pr33693.c: New testcase.
        * gcc.dg/pr33695.c: Likewise.
        * gcc.dg/pr33697.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/pr33693.c
    trunk/gcc/testsuite/gcc.dg/pr33695.c
    trunk/gcc/testsuite/gcc.dg/pr33697.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33693

[Bug middle-end/33693] [4.3 Regression] Type checking error with bitwise xor/and

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2007-10-08 15:32 -------
Fixed.


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rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |4.3.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33693