[Bug target/46610] New: gcc.target/mips/save-restore-?.c ICEs on IRIX 6.5: unrecognizable insn

[Bug target/46610] New: gcc.target/mips/save-restore-?.c ICEs on IRIX 6.5: unrecognizable insn

[ro at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46610

           Summary: gcc.target/mips/save-restore-?.c ICEs on IRIX 6.5:
                    unrecognizable insn
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: ro@gcc.gnu.org
                CC: rdsandiford@googlemail.com
              Host: mips-sgi-irix6.5
            Target: mips-sgi-irix6.5
             Build: mips-sgi-irix6.5


The gcc.target/mips/save-restore-[1345].c tests ICE on IRIX 6.5 (both N32 and
N64
ABIs):

Executing on host: /var/gcc/regression/trunk/6.5-gcc/build/gcc/xgcc
-B/var/gcc/regression/trunk/6.5-gcc/build/gcc/
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.target/mips/save-restore-1.c  
-DNOMIPS16=__attribute__((nomips16)) -mabi=32 -mips32 -mfp32 -mgp32 -mno-mips3d
-O2 -mno-dsp -mno-dspr2 -mno-paired-single -DMIPS16=__attribute__((mips16)) -S 
-o save-restore-1.s    (timeout = 300)
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.target/mips/save-restore-1.c: In
function 'foo':

/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.target/mips/save-restore-1.c:18:1:
error: unrecognizable insn:

(insn/f 34 7 35 2 (parallel [

            (set/f (reg/f:SI 29 $sp)

                (plus:SI (reg/f:SI 29 $sp)

                    (const_int -40 [0xffffffffffffffd8])))

            (set/f (mem/c:SI (reg/f:SI 29 $sp) [3 S4 A32])

                (reg:SI 4 $4))

            (set/f (mem/c:SI (plus:SI (reg/f:SI 29 $sp)

                        (const_int 4 [0x4])) [3 S4 A32])

                (reg:SI 5 $5))

            (set/f (mem/c:SI (plus:SI (reg/f:SI 29 $sp)

                        (const_int 8 [0x8])) [3 S4 A32])

                (reg:SI 6 $6))

            (set/f (mem/c:SI (plus:SI (reg/f:SI 29 $sp)

                        (const_int 12 [0xc])) [3 S4 A32])

                (reg:SI 7 $7))

            (set/f (mem/c:SI (plus:SI (reg/f:SI 29 $sp)

                        (const_int -4 [0xfffffffffffffffc])) [3 S4 A32])

                (reg:SI 64 hi))

        ])
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.target/mips/save-restore-1.c:10
-1

     (expr_list:REG_DEAD (reg:SI 64 hi)

        (expr_list:REG_DEAD (reg:SI 7 $7)

            (expr_list:REG_DEAD (reg:SI 6 $6)

                (expr_list:REG_DEAD (reg:SI 5 $5)

                    (nil))))))

/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.target/mips/save-restore-1.c:18:1:
internal compiler error: in extract_insn, at recog.c:2110


I could skip the tests on IRIX 6.5 where there's no O32 support, but the
failures also occur on the 4.4 and 4.5 branches where it still exists, and
the compiler shouldn't ICE nonetheless.

[Bug target/46610] gcc.target/mips/save-restore-?.c ICEs on IRIX 6.5: unrecognizable insn

[ro at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46610

--- Comment #1 from Rainer Orth <ro at gcc dot gnu.org> 2011-02-10 17:14:19 UTC ---
Author: ro
Date: Thu Feb 10 17:14:15 2011
New Revision: 170012

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170012
Log:
    PR target/46610
    * gcc.target/mips/save-restore-1.c: Skip on mips-sgi-irix6*.
    * gcc.target/mips/save-restore-3.c: Likewise.
    * gcc.target/mips/save-restore-4.c: Likewise.
    * gcc.target/mips/save-restore-5.c: Likewise.

    PR target/47683
    * g++.dg/tree-prof/partition1.C: Skip on mips-sgi-irix*.
    * g++.dg/tree-prof/partition2.C: Likewise.

Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/tree-prof/partition1.C
    trunk/gcc/testsuite/g++.dg/tree-prof/partition2.C
    trunk/gcc/testsuite/gcc.target/mips/save-restore-1.c
    trunk/gcc/testsuite/gcc.target/mips/save-restore-3.c
    trunk/gcc/testsuite/gcc.target/mips/save-restore-4.c
    trunk/gcc/testsuite/gcc.target/mips/save-restore-5.c

[Bug target/46610] gcc.target/mips/save-restore-?.c ICEs on IRIX 6.5: unrecognizable insn

[ro at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46610

--- Comment #2 from Rainer Orth <ro at gcc dot gnu.org> 2011-02-10 17:23:24 UTC ---
Author: ro
Date: Thu Feb 10 17:23:21 2011
New Revision: 170013

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170013
Log:
    PR target/46610
    * gcc.target/mips/save-restore-1.c: Skip on mips-sgi-irix6*.
    * gcc.target/mips/save-restore-3.c: Likewise.
    * gcc.target/mips/save-restore-4.c: Likewise.
    * gcc.target/mips/save-restore-5.c: Likewise.

    PR target/47683
    * g++.dg/tree-prof/partition1.C: Skip on mips-sgi-irix*.
    * g++.dg/tree-prof/partition2.C: Likewise.

Modified:
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_5-branch/gcc/testsuite/g++.dg/tree-prof/partition1.C
    branches/gcc-4_5-branch/gcc/testsuite/g++.dg/tree-prof/partition2.C
    branches/gcc-4_5-branch/gcc/testsuite/gcc.target/mips/save-restore-1.c
    branches/gcc-4_5-branch/gcc/testsuite/gcc.target/mips/save-restore-3.c
    branches/gcc-4_5-branch/gcc/testsuite/gcc.target/mips/save-restore-4.c
    branches/gcc-4_5-branch/gcc/testsuite/gcc.target/mips/save-restore-5.c

[Bug target/46610] gcc.target/mips/save-restore-?.c ICEs on IRIX 6.5: unrecognizable insn

[ro at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46610

--- Comment #3 from Rainer Orth <ro at gcc dot gnu.org> 2011-02-10 17:27:27 UTC ---
Author: ro
Date: Thu Feb 10 17:27:25 2011
New Revision: 170014

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170014
Log:
    PR target/46610
    * gcc.target/mips/save-restore-1.c: Skip on mips-sgi-irix6*.
    * gcc.target/mips/save-restore-3.c: Likewise.
    * gcc.target/mips/save-restore-4.c: Likewise.
    * gcc.target/mips/save-restore-5.c: Likewise.

Modified:
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_4-branch/gcc/testsuite/gcc.target/mips/save-restore-1.c
    branches/gcc-4_4-branch/gcc/testsuite/gcc.target/mips/save-restore-3.c
    branches/gcc-4_4-branch/gcc/testsuite/gcc.target/mips/save-restore-4.c
    branches/gcc-4_4-branch/gcc/testsuite/gcc.target/mips/save-restore-5.c

[Bug target/46610] gcc.target/mips/save-restore-?.c ICEs on IRIX 6.5: unrecognizable insn

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46610

Rainer Orth <ro at gcc dot gnu.org> changed:

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

--- Comment #4 from Rainer Orth <ro at gcc dot gnu.org> ---
4.7 branch closed.