[Bug rtl-optimization/21169] New: [4.0 regression] ICE in reload_cse_simplify_operands with -fnon-call-exceptions -fPIC -O2

[Bug rtl-optimization/21169] New: [4.0 regression] ICE in reload_cse_simplify_operands with -fnon-call-exceptions -fPIC -O2

[nick at ilm dot com]

The following code compiles successfully under gcc-3.4.3 on amd64:

> cat bug.C 
float foo();

int _numTransitions;
int _offset;

void
bar(int &base)
{
    float tmp = foo();
    tmp -= (float)_offset;
    if (tmp < 0.0) tmp = 0.0;
    if (tmp > (float)(_numTransitions-1))
        tmp = (float)(_numTransitions-1);
    base = (int) tmp;
}


> /dept/rnd/vendor/gcc-4.0.0-amd64/bin/g++ -fnon-call-exceptions -fPIC -O2 -c
bug.C -o /dev/null
bug.C: In function 'void bar(int&)':
bug.C:15: error: insn does not satisfy its constraints:
(insn 67 35 36 0 (set (reg:SF 24 xmm3)
        (lt:SF (reg/v:SF 22 xmm1 [orig:60 tmp ] [60])
            (reg:SF 23 xmm2 [65]))) 487 {*sse_setccsf} (nil)
    (nil))
bug.C:15: internal compiler error: in reload_cse_simplify_operands, at
postreload.c:391
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.


> /dept/rnd/vendor/gcc-4.0.0-amd64/bin/g++ -v
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-4.0.0/configure
--prefix=/dept/rnd/vendor/gcc-4.0.0-amd64 --enable-threads --enable-languages=c,c++
Thread model: posix
gcc version 4.0.0

-- 
           Summary: [4.0 regression] ICE in reload_cse_simplify_operands
                    with -fnon-call-exceptions -fPIC -O2
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: nick at ilm dot com
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21169

[Bug target/21169] [4.0/4.1? regression] ICE in reload_cse_simplify_operands with -fnon-call-exceptions -fPIC -O2

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rth at gcc dot gnu dot org
   Target Milestone|---                         |4.0.1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21169

[Bug target/21169] [4.0/4.1? regression] ICE in reload_cse_simplify_operands with -fnon-call-exceptions -fPIC -O2

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|rtl-optimization            |target
           Keywords|                            |ice-on-valid-code, ssemmx
            Summary|[4.0 regression] ICE in     |[4.0/4.1? regression] ICE in
                   |reload_cse_simplify_operands|reload_cse_simplify_operands
                   |with -fnon-call-exceptions -|with -fnon-call-exceptions -
                   |fPIC -O2                    |fPIC -O2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21169

[Bug target/21169] [4.0/4.1 regression] ICE in reload_cse_simplify_operands with -fnon-call-exceptions -fPIC -O2

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-04-23 14:35 -------
Confirmed.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
      Known to fail|                            |4.0.0
   Last reconfirmed|0000-00-00 00:00:00         |2005-04-23 14:35:36
               date|                            |
            Summary|[4.0/4.1? regression] ICE in|[4.0/4.1 regression] ICE in
                   |reload_cse_simplify_operands|reload_cse_simplify_operands
                   |with -fnon-call-exceptions -|with -fnon-call-exceptions -
                   |fPIC -O2                    |fPIC -O2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21169

[Bug target/21169] [4.0 regression] ICE in reload_cse_simplify_operands with -fnon-call-exceptions -fPIC -O2

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-06-26 17:39 -------
Fixed at least on the mainline.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
  GCC build triplet|x86_64-unknown-linux-gnu    |
   GCC host triplet|x86_64-unknown-linux-gnu    |
 GCC target triplet|x86_64-unknown-linux-gnu    |x86_64-*-linux-gnu
      Known to work|                            |4.1.0 3.4.3
            Summary|[4.0/4.1 regression] ICE in |[4.0 regression] ICE in
                   |reload_cse_simplify_operands|reload_cse_simplify_operands
                   |with -fnon-call-exceptions -|with -fnon-call-exceptions -
                   |fPIC -O2                    |fPIC -O2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21169

[Bug target/21169] [4.0 regression] ICE in reload_cse_simplify_operands with -fnon-call-exceptions -fPIC -O2

[mmitchel at gcc dot gnu dot org]

------- Additional Comments From mmitchel at gcc dot gnu dot org  2005-07-06 17:02 -------
Postponed until 4.0.2.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.0.1                       |4.0.2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21169

[Bug target/21169] [4.0 regression] ICE in reload_cse_simplify_operands with -fnon-call-exceptions -fPIC -O2

[bonzini at gcc dot gnu dot org]

------- Additional Comments From bonzini at gcc dot gnu dot org  2005-08-29 14:55 -------
Can anybody do a regression hunt on mainline?

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21169

[Bug target/21169] [4.0 regression] ICE in reload_cse_simplify_operands with -fnon-call-exceptions -fPIC -O2

[mmitchel at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.0.2                       |4.0.3


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21169