[Bug middle-end/22035] New: Flaot comparison broken

[Bug middle-end/22035] New: Flaot comparison broken

[tobi at gcc dot gnu dot org]

[tobi@marktplatz tests]$ cat f2c_6.f90
complex :: z, p

z = (2.,0.)
if (p /= z) call abort ()
end
[tobi@marktplatz tests]$ ~/src/gcc-new/build/gcc/f951 f2c_6.f90 -O
 MAIN__
unhandled expression in get_expr_operands():
 <truth_orif_expr 0xb7cc2288
    type <boolean_type 0xb7cd05e8 logical4 public unsigned SI
        size <integer_cst 0xb7cbc3f0 constant invariant 32>
        unit size <integer_cst 0xb7cbc180 constant invariant 4>
        align 32 symtab 0 alias set -1 precision 1 min <integer_cst 0xb7cbc978
0> max <integer_cst 0xb7cbc9a8 1>>
    side-effects
    arg 0 <ne_expr 0xb7cc2264 type <boolean_type 0xb7cd05e8 logical4>
        side-effects
        arg 0 <realpart_expr 0xb7cfcbe0 type <real_type 0xb7cc3d14 real4>
            side-effects
            arg 0 <save_expr 0xb7cfcbc0 type <complex_type 0xb7cd00d8 complex4>
                side-effects invariant
                arg 0 <ssa_name 0xb7cc83a8 type <complex_type 0xb7cd00d8 complex4>
                    visited var <var_decl 0xb7d005e8 p> def_stmt <nop_expr
0xb7cfcac0>
                    version 2>>>
        arg 1 <real_cst 0xb7cfeba0 type <real_type 0xb7cc3d14 real4>
            constant invariant 2.0e+0>>
    arg 1 <ne_expr 0xb7cc2240 type <boolean_type 0xb7cd05e8 logical4>
        side-effects
        arg 0 <imagpart_expr 0xb7cfcc00 type <real_type 0xb7cc3d14 real4>
            side-effects arg 0 <save_expr 0xb7cfcbc0>>
        arg 1 <real_cst 0xb7cfebd0 type <real_type 0xb7cc3d14 real4>
            constant invariant 0.0>>>


f2c_6.f90:3: internal compiler error: internal error
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
[tobi@marktplatz tests]$

-- 
           Summary: Flaot comparison broken
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P2
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tobi at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22035

[Bug middle-end/22035] Complex comparison broken

[tobi at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Flaot comparison broken     |Complex comparison broken


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22035

[Bug tree-optimization/22035] [4.1 Regression] vector float comparison broken

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-06-12 14:11 -------
Confirmed, latent bug exposed by:
2005-06-09  Richard Henderson  <rth@redhat.com>

        PR tree-opt/20610
        * tree.h (DECL_COMPLEX_GIMPLE_REG_P): New.
        (struct tree_decl): Add gimple_reg_flag.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rth at gcc dot gnu dot org,
                   |                            |pinskia at gcc dot gnu dot
                   |                            |org
             Status|UNCONFIRMED                 |NEW
          Component|middle-end                  |tree-optimization
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2005-06-12 14:11:46
               date|                            |
            Summary|Complex comparison broken   |[4.1 Regression] vector
                   |                            |float comparison broken
   Target Milestone|---                         |4.1.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22035

[Bug tree-optimization/22035] [4.1 Regression] complex float comparison broken

[rth at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |rth at gcc dot gnu dot org
                   |dot org                     |
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2005-06-12 14:11:46         |2005-06-13 21:23:24
               date|                            |
            Summary|[4.1 Regression] vector     |[4.1 Regression] complex
                   |float comparison broken     |float comparison broken


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22035

[Bug tree-optimization/22035] [4.1 Regression] complex float comparison broken

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-06-16 18:09 -------
Subject: Bug 22035

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2005-06-16 18:09:38

Modified files:
	gcc            : ChangeLog builtins.c fold-const.c 
	                 tree-complex.c tree.h 

Log message:
	PR tree-opt/22035
	* builtins.c (fold_builtin_complex_mul): Remove.
	(fold_builtin_complex_div): Remove.
	(fold_builtin_1): Don't call them.
	* fold-const.c (fold_complex_add, fold_complex_mult_parts,
	fold_complex_mult, fold_complex_div_parts, fold_complex_div): Remove.
	(fold_binary): Don't call them.  Don't expand complex comparisons to
	elementary comparisons.
	* tree-complex.c (init_dont_simulate_again): Enhance search for
	stmts that require decomposition.
	(complex_visit_stmt): Handle RETURN_EXPR properly.
	(create_components): Handle no referenced variables properly.
	* tree.h (fold_complex_mult_parts): Remove.
	(fold_complex_div_parts): Remove.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9163&r2=2.9164
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/builtins.c.diff?cvsroot=gcc&r1=1.462&r2=1.463
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.595&r2=1.596
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-complex.c.diff?cvsroot=gcc&r1=2.28&r2=2.29
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree.h.diff?cvsroot=gcc&r1=1.736&r2=1.737



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22035

[Bug tree-optimization/22035] [4.1 Regression] complex float comparison broken

[rth at gcc dot gnu dot org]

------- Additional Comments From rth at gcc dot gnu dot org  2005-06-16 18:16 -------
Fixed.

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22035

[Bug tree-optimization/22035] [4.1 Regression] complex float comparison broken

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-06-18 11:52 -------
Subject: Bug 22035

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	tobi@gcc.gnu.org	2005-06-18 11:51:48

Modified files:
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gfortran.dg: f2c_6.f90 

Log message:
	PR tree-opt/22035
	* gfortran.dg/f2c_6.f90: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5650&r2=1.5651
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gfortran.dg/f2c_6.f90.diff?cvsroot=gcc&r1=NONE&r2=1.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22035