[Bug ada/15859] New: compilation abandoned

[Bug ada/15859] New: compilation abandoned

[pluto at pld-linux dot org]

../../xgcc -B../../ -c -g -O2   -g -O2   -W -Wall -gnatpg -I. 
-I/home/users/builder/rpm/BUILD/gcc-3.3.4/gcc/ada a-ncelfu.ads 
 
+===========================GNAT BUG DETECTED==============================+ 
| 3.3.4 (PLD Linux) (alpha-pld-linux-gnu) GCC error:                       | 
| in subreg_hard_regno, at emit-rtl.c:928                                  | 
| Error detected at a-ngcefu.adb:487:58 [a-ncelfu.ads:20:1]                | 
| Please submit a bug report; see http://gcc.gnu.org/bugs.html.            | 
| Include the entire contents of this bug box in the report.               | 
| Include the exact gcc or gnatmake command that you entered.              | 
| Also include sources listed below in gnatchop format                     | 
| concatenated together with no headers between files.                     | 
+==========================================================================+ 
 
ps). 
gcc 3.3.3 works fine.

-- 
           Summary: compilation abandoned
           Product: gcc
           Version: 3.3.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ada
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pluto at pld-linux dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: alpha-pld-linux
  GCC host triplet: alpha-pld-linux
GCC target triplet: alpha-pld-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15859

[Bug ada/15859] [3.3 regression] compilation abandoned

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |build, ice-on-valid-code
            Summary|compilation abandoned       |[3.3 regression] compilation
                   |                            |abandoned
   Target Milestone|---                         |3.3.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15859

[Bug target/15859] [3.3 regression] compilation abandoned

[charlet at gcc dot gnu dot org]

------- Additional Comments From charlet at gcc dot gnu dot org  2004-06-08 08:34 -------
I'd suggest upgrading to GCC 3.4 which likely fixes this problem.

Arno

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|ada                         |target


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15859

[Bug target/15859] [3.3 regression] compilation abandoned

[qboosh at pld-linux dot org]

------- Additional Comments From qboosh at pld-linux dot org  2004-06-08 13:52 -------
Too late for us, we're just finishing distro line based on gcc 3.3.x.
Anyway, gcc 3.4.0 build on alpha-linux crashes even earlier (just built ./xnmake
program catches SIGSEGV).

But back to topic...
this regression seems to be caused by this change:
http://savannah.gnu.org/cgi-bin/viewcvs/gcc/gcc/gcc/config/alpha/alpha.h.diff?r1=1.213&r2=1.214
backported to 3.3.4 here:
http://savannah.gnu.org/cgi-bin/viewcvs/gcc/gcc/gcc/config/alpha/alpha.h.diff?r1=1.185.4.4&r2=1.185.4.5

Despite description:
* alpha.h (HARD_REGNO_MODE_OK): Disallow SImode in FP regs.
it disallows not only SImode, but also e.g. SCmode, thus triggering ICE
(I tested that mode==21, i.e. SCmode just before this abort()).

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |qboosh at pld-linux dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15859

[Bug target/15859] [3.3 regression] compilation abandoned

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-06-08 14:00 -------
Will not fix as this requires an ABI change.  See bug 15718.

The xnmake problem is bug 13470, this is a 64bit problem.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WONTFIX


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15859

[Bug target/15859] [3.3 regression] compilation abandoned

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-06-13 14:10 -------
Reopening for marking as a dup of ...

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|WONTFIX                     |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15859

[Bug target/15859] [3.3 regression] compilation abandoned

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-06-13 14:11 -------


*** This bug has been marked as a duplicate of 15718 ***

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15859