[Bug target/58675] New: ICE in rs6000_secondary_reload_inner:15460, type = store

[Bug target/58675] New: ICE in rs6000_secondary_reload_inner:15460, type = store

[pthaugen at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58675

            Bug ID: 58675
           Summary: ICE in rs6000_secondary_reload_inner:15460, type =
                    store
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pthaugen at gcc dot gnu.org
                CC: bergner at gcc dot gnu.org, dje at gcc dot gnu.org,
                    meissner at gcc dot gnu.org
              Host: powerpc64-linux
            Target: powerpc64-linux
             Build: powerpc64-linux

Created attachment 30973
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30973&action=edit
Reduced testcase

Hit the following trying to build cpu2000 benchmark 177.mesa with -mcpu=power8.


[pthaugen@igoo p8_spec_errors]$ /home/pthaugen/install/gcc/trunk/bin/gcc -c
-m64 -O1 -mcpu=power8 triangle.c
rs6000_secondary_reload_inner:15460, type = store
(parallel [
        (set (mem/c:SF (plus:DI (plus:DI (reg/f:DI 1 1)
                        (const_int 65536 [0x10000]))
                    (const_int -30152 [0xffffffffffff8a38])) [0 %sfp+35384 S4
A32])
            (reg:SF 43 11))
        (clobber (reg:DI 10 10))
    ])
triangle.c: In function ‘lambda_textured_triangle’:
triangle.c:443:1: internal compiler error: in rs6000_secondary_reload_fail, at
config/rs6000/rs6000.c:15287
 }
 ^
0x109093e7 rs6000_secondary_reload_fail
    /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/rs6000.c:15287
0x1093b3a3 rs6000_secondary_reload_inner(rtx_def*, rtx_def*, rtx_def*, bool)
    /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/rs6000.c:15460
0x10a005eb gen_reload_sf_di_store(rtx_def*, rtx_def*, rtx_def*)
    /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/vector.md:196
0x105a9e0f insn_gen_fn::operator()(rtx_def*, rtx_def*, rtx_def*) const
    /home/pthaugen/src/gcc/trunk/gcc/gcc/recog.h:285
0x105a9e0f emit_output_reload_insns
    /home/pthaugen/src/gcc/trunk/gcc/gcc/reload1.c:7696
0x105a9e0f do_output_reload
    /home/pthaugen/src/gcc/trunk/gcc/gcc/reload1.c:8006
0x105a9e0f emit_reload_insns
    /home/pthaugen/src/gcc/trunk/gcc/gcc/reload1.c:8074
0x105ad713 reload_as_needed
    /home/pthaugen/src/gcc/trunk/gcc/gcc/reload1.c:4649
0x105b1673 reload(rtx_def*, int)
    /home/pthaugen/src/gcc/trunk/gcc/gcc/reload1.c:1054
0x10484983 do_reload
    /home/pthaugen/src/gcc/trunk/gcc/gcc/ira.c:4698
0x10484983 rest_of_handle_reload
    /home/pthaugen/src/gcc/trunk/gcc/gcc/ira.c:4815
0x10484983 execute
    /home/pthaugen/src/gcc/trunk/gcc/gcc/ira.c:4844
Please submit a full bug report,
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Subject: [Bug c++/58333] "performance" regression when using -std=c++0x
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idX333

Paolo Carlini <paolo.carlini at oracle dot com> changed:

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

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> ---
I can reproduce with 4.6.x, but currently maintained branches are fine.

[Bug target/58675] ICE in rs6000_secondary_reload_inner:15460, type = store

[bergner at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58675

--- Comment #1 from Peter Bergner <bergner at gcc dot gnu.org> ---
Pat, this doesn't ICE for me anymore.  Can we close this?

[Bug target/58675] ICE in rs6000_secondary_reload_inner:15460, type = store

[pthaugen at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58675

Pat Haugen <pthaugen at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #30973|0                           |1
        is obsolete|                            |

--- Comment #2 from Pat Haugen <pthaugen at gcc dot gnu.org> ---
Created attachment 31846
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31846&action=edit
New test

177.mesa still fails to build, new reduced testcase attached.

[pthaugen@igoo pr58675]$ /home/pthaugen/install/gcc/trunk/bin/gcc -c -m64 -O1
-mcpu=power8 triangle-2.c
rs6000_secondary_reload_inner:16294, type = store
(parallel [
        (set (mem/c:SF (plus:DI (plus:DI (reg/f:DI 1 1)
                        (const_int 65536 [0x10000]))
                    (const_int -30176 [0xffffffffffff8a20])) [0 %sfp+35360 S4
A32])
            (reg:SF 32 0))
        (clobber (reg:DI 9 9))
    ])
triangle-2.c: In function ‘lambda_textured_triangle’:
triangle-2.c:452:1: internal compiler error: in rs6000_secondary_reload_fail,
at config/rs6000/rs6000.c:16121
 }
 ^
0x109c2bf7 rs6000_secondary_reload_fail
    /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/rs6000.c:16121
0x109f5957 rs6000_secondary_reload_inner(rtx_def*, rtx_def*, rtx_def*, bool)
    /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/rs6000.c:16148
0x10ac908b gen_reload_sf_di_store(rtx_def*, rtx_def*, rtx_def*)
    /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/vector.md:197
0x1063cf0b insn_gen_fn::operator()(rtx_def*, rtx_def*, rtx_def*) const
    /home/pthaugen/src/gcc/trunk/gcc/gcc/recog.h:285
0x1063cf0b emit_output_reload_insns
    /home/pthaugen/src/gcc/trunk/gcc/gcc/reload1.c:7758
0x1063cf0b do_output_reload
...
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From: "jason at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idY659

--- Comment #9 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Wed Jan 15 19:10:09 2014
New Revision: 206639

URL: http://gcc.gnu.org/viewcvs?rev 6639&root=gcc&view=rev
Log:
    PR c++/59659
    * typeck2.c (massage_init_elt): New.
    (process_init_constructor_record)
    (process_init_constructor_union): Use it.
    (process_init_constructor_array): Use it.  Use RANGE_EXPR.
    (split_nonconstant_init_1): Handle it.
    * semantics.c (cxx_eval_vec_init_1): Use force_rvalue.

Added:
    trunk/gcc/testsuite/g++.dg/opt/value-init1.C
    trunk/gcc/testsuite/g++.dg/opt/value-init2.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/semantics.c
    trunk/gcc/cp/typeck2.c

[Bug target/58675] ICE in rs6000_secondary_reload_inner:15460, type = store

[amodra at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58675

--- Comment #4 from Alan Modra <amodra at gmail dot com> ---
*** Bug 57935 has been marked as a duplicate of this bug. ***

[Bug target/58675] ICE in rs6000_secondary_reload_inner:15460, type = store

[amodra at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58675

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |amodra at gmail dot com

--- Comment #5 from Alan Modra <amodra at gmail dot com> ---
Created attachment 32094
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32094&action=edit
potential fix

currently undergoing bootstrap and regression testing

[Bug target/58675] ICE in rs6000_secondary_reload_inner:15460, type = store

[amodra at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58675

--- Comment #6 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Sat Feb 15 10:49:55 2014
New Revision: 207798

URL: http://gcc.gnu.org/viewcvs?rev=207798&root=gcc&view=rev
Log:
    PR target/58675
    PR target/57935
    * config/rs6000/rs6000.c (rs6000_secondary_reload_inner): Use
    find_replacement on parts of insn rtl that might be reloaded.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.c

[Bug target/58675] ICE in rs6000_secondary_reload_inner:15460, type = store

[amodra at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58675

Alan Modra <amodra at gmail dot com> changed:

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

--- Comment #7 from Alan Modra <amodra at gmail dot com> ---
Fixed

[Bug target/58675] ICE in rs6000_secondary_reload_inner:15460, type = store

[amodra at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58675

--- Comment #8 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Wed Feb 26 04:41:53 2014
New Revision: 208166

URL: http://gcc.gnu.org/viewcvs?rev=208166&root=gcc&view=rev
Log:
    Apply mainline r207798
    PR target/58675
    PR target/57935
    * config/rs6000/rs6000.c (rs6000_secondary_reload_inner): Use
    find_replacement on parts of insn rtl that might be reloaded.


Modified:
    branches/ibm/gcc-4_8-branch/gcc/ChangeLog.ibm
    branches/ibm/gcc-4_8-branch/gcc/config/rs6000/rs6000.c

[Bug target/58675] ICE in rs6000_secondary_reload_inner:15460, type = store

[wschmidt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58675

--- Comment #9 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Author: wschmidt
Date: Fri Apr  4 15:05:34 2014
New Revision: 209112

URL: http://gcc.gnu.org/viewcvs?rev=209112&root=gcc&view=rev
Log:
2014-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

    Apply mainline r207798
    2014-02-26  Alan Modra  <amodra@gmail.com>
    PR target/58675
    PR target/57935
    * config/rs6000/rs6000.c (rs6000_secondary_reload_inner): Use
    find_replacement on parts of insn rtl that might be reloaded.

    Backport from mainline r208287
    2014-03-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

    * config/rs6000/rs6000.c (rs6000_preferred_reload_class): Disallow
    reload of PLUS rtx's outside of GENERAL_REGS or BASE_REGS; relax
    constraint on constants to permit them being loaded into
    GENERAL_REGS or BASE_REGS.


Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/config/rs6000/rs6000.c