[Bug tree-optimization/22269] New: [4.1 Regression] ICE in tree-ssa-reassoc with uninitialized variables

[Bug tree-optimization/22269] New: [4.1 Regression] ICE in tree-ssa-reassoc with uninitialized variables

[pinskia at gcc dot gnu dot org]

This is reduced from PR 22266.
int printf(const char*, ...);
int main(int argv, char*argc) {

    int d1;
    int d2;
    int s1, s2;
    int b;
    ((d1)&=(int)0x0000ffffL, (d1)|=((int)(short)(0x344))<<16);
    ((d1)&=(int)0xffff0000UL, (d1)|=(int)(unsigned short)(0x4567));
    ((d2)&=(int)0x0000ffffL, (d2)|=((int)(short)(0))<<16);
    ((d2)&=(int)0xffff0000UL, (d2)|=(int)(unsigned short)(0x3b9a));
    printf(" dividend >>: %ld\n", d1);
    printf(" divisor  >>: %ld\n", d2);
}

-- 
           Summary: [4.1 Regression] ICE in tree-ssa-reassoc with
                    uninitialized variables
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pinskia at gcc dot gnu dot org
                CC: dberlin at gcc dot gnu dot org,gcc-bugs at gcc dot gnu
                    dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22269

[Bug tree-optimization/22269] [4.1 Regression] ICE in tree-ssa-reassoc with uninitialized variables

[pinskia at gcc dot gnu dot org]

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------- Additional Comments From pinskia at gcc dot gnu dot org  2005-07-01 16:04 -------
The ICE is:
t2.c: In function ‘main’:
t2.c:2: internal compiler error: tree check: expected ssa_name, have integer_cst in should_transpose, at 
tree-ssa-reassoc.c:411
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |minor
   Target Milestone|---                         |4.1.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22269

[Bug tree-optimization/22269] [4.1 Regression] ICE in tree-ssa-reassoc with uninitialized variables

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-07-01 20:54 -------
I think I have a fix, waiting for word from "Daniel Berlin" to double check the intent of the code.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |pinskia at gcc dot gnu dot
                   |dot org                     |org
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2005-07-01 20:54:17
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22269

[Bug tree-optimization/22269] [4.1 Regression] ICE in tree-ssa-reassoc with uninitialized variables

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-07-01 21:58 -------
Fixed.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22269

[Bug tree-optimization/22269] [4.1 Regression] ICE in tree-ssa-reassoc with uninitialized variables

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-07-01 22:01 -------
Subject: Bug 22269

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	pinskia@gcc.gnu.org	2005-07-01 22:01:17

Modified files:
	gcc            : ChangeLog tree-ssa-reassoc.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/compile: pr22269.c 

Log message:
	2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/22269
	* tree-ssa-reassoc.c (should_transpose): Fix which operand
	we check for SSA_NAME for.
	
	2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/22269
	* gcc.c-torture/compile/pr22269.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9310&r2=2.9311
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-reassoc.c.diff?cvsroot=gcc&r1=2.3&r2=2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5712&r2=1.5713
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/pr22269.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22269