[Bug target/34493] New: [4.2/4.3 Regression] ICE reload_cse_simplify_operands, at postreload.c:392 on powerpc with -funroll-loops

[Bug target/34493] New: [4.2/4.3 Regression] ICE reload_cse_simplify_operands, at postreload.c:392 on powerpc with -funroll-loops

[tbm at cyrius dot com]

[ Forwarded from http://bugs.debian.org/452811 ]

We're seeing the following ICE with 4.2/4.3 and -funroll-loops:

/home/tbm/14406.c: In function 'fp_mul_comba_small':
/home/tbm/14406.c:2073: error: insn does not satisfy its constraints:
(insn 30288 1486 1488 11 (set (mem/c:DI (plus:SI (reg/f:SI 1 1)
                (const_int 32760 [0x7ff8])) [0 t.6656+0 S8 A8])
        (reg:DI 27 27)) 282 {*movdi_internal32} (nil)
    (nil))
/home/tbm/14406.c:2073: internal compiler error: in
reload_cse_simplify_operands, at postreload.c:392
Please submit a full bug report,

I've been running delta for 10 days (!) now but the file hasn't gotten
smaller than 150KB yet.


-- 
           Summary: [4.2/4.3 Regression] ICE reload_cse_simplify_operands,
                    at postreload.c:392 on powerpc with -funroll-loops
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tbm at cyrius dot com
GCC target triplet: powerpc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34493

[Bug target/34493] [4.2/4.3 Regression] ICE reload_cse_simplify_operands, at postreload.c:392 on powerpc with -funroll-loops

[tbm at cyrius dot com]

------- Comment #1 from tbm at cyrius dot com  2007-12-16 01:21 -------
Created an attachment (id=14774)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14774&action=view)
preprocessed source


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34493

[Bug target/34493] [4.2/4.3 Regression] ICE reload_cse_simplify_operands, at postreload.c:392 on powerpc with -funroll-loops

[tbm at cyrius dot com]

------- Comment #2 from tbm at cyrius dot com  2007-12-16 02:45 -------
Apparently it works with 4.3 now, but 4.2 definitely still has the ICE.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34493

[Bug target/34493] [4.2/4.3 Regression] ICE reload_cse_simplify_operands, at postreload.c:392 on powerpc with -funroll-loops

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu dot
                   |                            |org
   Target Milestone|---                         |4.2.3


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34493

[Bug target/34493] [4.2 Regression] ICE reload_cse_simplify_operands, at postreload.c:392 on powerpc with -funroll-loops

[jakub at gcc dot gnu dot org]

------- Comment #3 from jakub at gcc dot gnu dot org  2007-12-20 19:39 -------
Yeah, works for me on the trunk too.


-- 

jakub at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[4.2/4.3 Regression] ICE    |[4.2 Regression] ICE
                   |reload_cse_simplify_operands|reload_cse_simplify_operands
                   |, at postreload.c:392 on    |, at postreload.c:392 on
                   |powerpc with -funroll-loops |powerpc with -funroll-loops


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34493

[Bug target/34493] [4.2 Regression] ICE reload_cse_simplify_operands, at postreload.c:392 on powerpc with -funroll-loops

[jsm28 at gcc dot gnu dot org]

------- Comment #4 from jsm28 at gcc dot gnu dot org  2008-02-01 16:55 -------
4.2.3 is being released now, changing milestones of open bugs to 4.2.4.


-- 

jsm28 at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.2.3                       |4.2.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34493

[Bug target/34493] [4.2 Regression] ICE reload_cse_simplify_operands, at postreload.c:392 on powerpc with -funroll-loops

[jsm28 at gcc dot gnu dot org]

------- Comment #5 from jsm28 at gcc dot gnu dot org  2008-05-19 20:24 -------
4.2.4 is being released, changing milestones to 4.2.5.


-- 

jsm28 at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.2.4                       |4.2.5


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34493

[Bug target/34493] [4.2 Regression] ICE reload_cse_simplify_operands, at postreload.c:392 on powerpc with -funroll-loops

[jsm28 at gcc dot gnu dot org]

------- Comment #6 from jsm28 at gcc dot gnu dot org  2009-03-31 01:41 -------
Closing 4.2 branch, fixed in 4.3.


-- 

jsm28 at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
      Known to fail|                            |4.2.5
         Resolution|                            |FIXED
   Target Milestone|4.2.5                       |4.3.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34493