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* [Bug c/38771]  New: error: non-trivial conversion in unary operation
@ 2009-01-09  0:34 regehr at cs dot utah dot edu
  2009-01-09  8:55 ` [Bug c/38771] [4.4 regression] " jakub at gcc dot gnu dot org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: regehr at cs dot utah dot edu @ 2009-01-09  0:34 UTC (permalink / raw)
  To: gcc-bugs

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Seen using r143187 on Ubuntu Hardy on x86.

regehr@john-home:~/volatile/tmp116$ current-gcc -O0 -c small.c
small.c: In function ‘foo’:
small.c:1: error: non-trivial conversion in unary operation
long long unsigned int
long long int
iftmp.0 = -p_37.1;

small.c:1: error: non-trivial conversion in unary operation
long long unsigned int
long long int
iftmp.0 = -p_37;

small.c:1: 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.

regehr@john-home:~/volatile/tmp116$ cat small.c

unsigned long long foo (long long p_37)
{
  return -(unsigned long long) (p_37 ? : p_37);
}

regehr@john-home:~/volatile/tmp116$ current-gcc -v

Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../configure --program-prefix=current-
--enable-languages=c,c++ --prefix=/home/regehr : (reconfigured) ../configure
--program-prefix=current- --enable-languages=c,c++ --prefix=/home/regehr :
(reconfigured) ../configure --program-prefix=current- --enable-languages=c,c++
--prefix=/home/regehr : (reconfigured) ../configure --program-prefix=current-
--prefix=/home/regehr --enable-languages=c,c++ --no-create --no-recursion :
(reconfigured) ../configure --program-prefix=current- --prefix=/home/regehr
--enable-languages=c,c++ --no-create --no-recursion : (reconfigured)
../configure --program-prefix=current- --prefix=/home/regehr
--enable-languages=c,c++ --no-create --no-recursion : (reconfigured)
../configure --program-prefix=current- --prefix=/home/regehr
--enable-languages=c,c++ --no-create --no-recursion : (reconfigured)
../configure --program-prefix=current- --prefix=/home/regehr
--enable-languages=c,c++ --no-create --no-recursion
Thread model: posix
gcc version 4.4.0 20090108 (experimental) (GCC)


-- 
           Summary: error: non-trivial conversion in unary operation
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: regehr at cs dot utah dot edu
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38771


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug c/38771] [4.4 regression] error: non-trivial conversion in unary operation
  2009-01-09  0:34 [Bug c/38771] New: error: non-trivial conversion in unary operation regehr at cs dot utah dot edu
@ 2009-01-09  8:55 ` jakub at gcc dot gnu dot org
  2009-01-09  9:04 ` [Bug middle-end/38771] " jakub at gcc dot gnu dot org
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu dot org @ 2009-01-09  8:55 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #1 from jakub at gcc dot gnu dot org  2009-01-09 08:54 -------
fold_unary bug.


-- 

jakub at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |jakub at gcc dot gnu dot org
                   |dot org                     |
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-01-09 08:54:39
               date|                            |
            Summary|error: non-trivial          |[4.4 regression] error: non-
                   |conversion in unary         |trivial conversion in unary
                   |operation                   |operation
   Target Milestone|---                         |4.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38771


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug middle-end/38771] [4.4 regression] error: non-trivial conversion in unary operation
  2009-01-09  0:34 [Bug c/38771] New: error: non-trivial conversion in unary operation regehr at cs dot utah dot edu
  2009-01-09  8:55 ` [Bug c/38771] [4.4 regression] " jakub at gcc dot gnu dot org
@ 2009-01-09  9:04 ` jakub at gcc dot gnu dot org
  2009-01-09 10:31 ` rguenth at gcc dot gnu dot org
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu dot org @ 2009-01-09  9:04 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #2 from jakub at gcc dot gnu dot org  2009-01-09 09:04 -------
Created an attachment (id=17063)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17063&action=view)
gcc44-pr38771.patch

Fix.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38771


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug middle-end/38771] [4.4 regression] error: non-trivial conversion in unary operation
  2009-01-09  0:34 [Bug c/38771] New: error: non-trivial conversion in unary operation regehr at cs dot utah dot edu
  2009-01-09  8:55 ` [Bug c/38771] [4.4 regression] " jakub at gcc dot gnu dot org
  2009-01-09  9:04 ` [Bug middle-end/38771] " jakub at gcc dot gnu dot org
@ 2009-01-09 10:31 ` rguenth at gcc dot gnu dot org
  2009-01-09 13:41 ` jakub at gcc dot gnu dot org
  2009-01-09 14:03 ` jakub at gcc dot gnu dot org
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-01-09 10:31 UTC (permalink / raw)
  To: gcc-bugs



-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-checking, wrong-code
           Priority|P3                          |P1
            Version|unknown                     |4.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38771


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug middle-end/38771] [4.4 regression] error: non-trivial conversion in unary operation
  2009-01-09  0:34 [Bug c/38771] New: error: non-trivial conversion in unary operation regehr at cs dot utah dot edu
                   ` (2 preceding siblings ...)
  2009-01-09 10:31 ` rguenth at gcc dot gnu dot org
@ 2009-01-09 13:41 ` jakub at gcc dot gnu dot org
  2009-01-09 14:03 ` jakub at gcc dot gnu dot org
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu dot org @ 2009-01-09 13:41 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #3 from jakub at gcc dot gnu dot org  2009-01-09 13:41 -------
Subject: Bug 38771

Author: jakub
Date: Fri Jan  9 13:41:08 2009
New Revision: 143202

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143202
Log:
        PR middle-end/38771
        * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
        fold_convert arg0 operands to TREE_TYPE (op0) first.

        * gcc.c-torture/compile/pr38771.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr38771.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38771


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug middle-end/38771] [4.4 regression] error: non-trivial conversion in unary operation
  2009-01-09  0:34 [Bug c/38771] New: error: non-trivial conversion in unary operation regehr at cs dot utah dot edu
                   ` (3 preceding siblings ...)
  2009-01-09 13:41 ` jakub at gcc dot gnu dot org
@ 2009-01-09 14:03 ` jakub at gcc dot gnu dot org
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu dot org @ 2009-01-09 14:03 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #4 from jakub at gcc dot gnu dot org  2009-01-09 14:02 -------
Fixed.


-- 

jakub at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38771


^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2009-01-09 14:03 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2009-01-09  0:34 [Bug c/38771] New: error: non-trivial conversion in unary operation regehr at cs dot utah dot edu
2009-01-09  8:55 ` [Bug c/38771] [4.4 regression] " jakub at gcc dot gnu dot org
2009-01-09  9:04 ` [Bug middle-end/38771] " jakub at gcc dot gnu dot org
2009-01-09 10:31 ` rguenth at gcc dot gnu dot org
2009-01-09 13:41 ` jakub at gcc dot gnu dot org
2009-01-09 14:03 ` jakub at gcc dot gnu dot org

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