[Bug target/59222] New: gcc.c-torture/compile/20050622-1.c ICEs for aarch64-elf

[Bug target/59222] New: gcc.c-torture/compile/20050622-1.c ICEs for aarch64-elf

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59222

            Bug ID: 59222
           Summary: gcc.c-torture/compile/20050622-1.c ICEs for
                    aarch64-elf
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pinskia at gcc dot gnu.org
            Target: arch64-elf

Executing on host: aarch64-thunder-elf-gcc  -fno-diagnostics-show-caret
-fdiagnostics-color=never   -O1  -w -c   -o 20050622-1.o
/home/apinski/src/gcc-cavium/toolchain-thunder/src/gcc/testsuite/gcc.c-torture/compile/20050622-1.c
   (timeout = 300)
spawn aarch64-thunder-elf-gcc -fno-diagnostics-show-caret
-fdiagnostics-color=never -O1 -w -c -o 20050622-1.o
/home/apinski/src/gcc-cavium/toolchain-thunder/src/gcc/testsuite/gcc.c-torture/compile/20050622-1.c
/home/apinski/src/gcc-cavium/toolchain-thunder/src/gcc/testsuite/gcc.c-torture/compile/20050622-1.c:
In function 'foo':
/home/apinski/src/gcc-cavium/toolchain-thunder/src/gcc/testsuite/gcc.c-torture/compile/20050622-1.c:16:1:
internal compiler error: in gen_add2_insn, at optabs.c:4713
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://www.cavium.com/support.html> for instructions.
compiler exited with status 1
output is:
/home/apinski/src/gcc-cavium/toolchain-thunder/src/gcc/testsuite/gcc.c-torture/compile/20050622-1.c:
In function 'foo':
/home/apinski/src/gcc-cavium/toolchain-thunder/src/gcc/testsuite/gcc.c-torture/compile/20050622-1.c:16:1:
internal compiler error: in gen_add2_insn, at optabs.c:4713
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://www.cavium.com/support.html> for instructions.

FAIL: gcc.c-torture/compile/20050622-1.c  -O1  (internal compiler error)
FAIL: gcc.c-torture/compile/20050622-1.c  -O1  (test for excess errors)

[Bug target/59222] gcc.c-torture/compile/20050622-1.c ICEs at -O1 and abiove for aarch64-elf ILP32

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59222

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|gcc.c-torture/compile/20050 |gcc.c-torture/compile/20050
                   |622-1.c ICEs at -O1 and     |622-1.c ICEs at -O1 and
                   |abiove for aarch64-elf      |abiove for aarch64-elf
                   |                            |ILP32

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This only happens with ILP32, I had originally misconfigured my compiler to
default to ILP32.

[Bug target/59222] [4.9 Regression] gcc.c-torture/compile/20050622-1.c ICEs at -O1 and abiove for aarch64-elf ILP32

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59222

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.9.0
            Summary|gcc.c-torture/compile/20050 |[4.9 Regression]
                   |622-1.c ICEs at -O1 and     |gcc.c-torture/compile/20050
                   |abiove for aarch64-elf      |622-1.c ICEs at -O1 and
                   |ILP32                       |abiove for aarch64-elf
                   |                            |ILP32

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Full backtrace:
(gdb) bt
#0  fancy_abort (file=0xe48128
"/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/optabs.c",
line=4716, function=0xe48c0a "gen_add2_insn")
    at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/diagnostic.c:1182
#1  0x00000000007b44ce in gen_add2_insn (x=0x7ffff7e50ca0, y=0x7ffff7e49800) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/optabs.c:4716
#2  0x0000000000755b53 in emit_add2_insn (x=0x7ffff7e50ca0, y=0x7ffff7e49800)
at /data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/lra.c:277
#3  0x0000000000758db5 in lra_emit_add (x=0x7ffff7e50ca0, y=0x7ffff7a69108,
z=0x7ffff7e49800) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/lra.c:354
#4  0x0000000000768922 in curr_insn_transform () at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/lra-constraints.c:3507
#5  0x000000000076a215 in lra_constraints (first_p=<value optimized out>) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/lra-constraints.c:4049
#6  0x0000000000757e86 in lra (f=<value optimized out>) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/lra.c:2331
#7  0x000000000071cc27 in do_reload (this=<value optimized out>) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/ira.c:5451
#8  rest_of_handle_reload (this=<value optimized out>) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/ira.c:5580
#9  execute (this=<value optimized out>) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/ira.c:5609
#10 0x00000000007d499a in execute_one_pass (pass=0x13c19e0) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/passes.c:2215
#11 0x00000000007d4c26 in execute_pass_list (pass=0x13c19e0) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/passes.c:2268
#12 0x00000000007d4c38 in execute_pass_list (pass=0x13c0900) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/passes.c:2269
#13 0x000000000055fe39 in expand_function (node=0x7ffff7c667b0) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/cgraphunit.c:1763
#14 0x0000000000561ce1 in expand_all_functions () at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/cgraphunit.c:1868
#15 compile () at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/cgraphunit.c:2203
#16 0x000000000056338a in finalize_compilation_unit () at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/cgraphunit.c:2280
#17 0x00000000004143a3 in c_write_global_declarations () at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/c/c-decl.c:10399
#18 0x000000000087463d in compile_file () at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/toplev.c:561
#19 0x0000000000875816 in do_compile (argc=4, argv=0x7fffffffe0f8) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/toplev.c:1887
#20 toplev_main (argc=4, argv=0x7fffffffe0f8) at
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/toplev.c:1963
#21 0x0000000000d51fee in __libc_start_main ()
#22 0x0000000000400349 in _start ()

So this is a LRA related failure.

[Bug target/59222] [4.9 Regression] gcc.c-torture/compile/20050622-1.c ICEs at -O1 and above for aarch64-elf ILP32

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59222

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[4.9 Regression]            |[4.9 Regression]
                   |gcc.c-torture/compile/20050 |gcc.c-torture/compile/20050
                   |622-1.c ICEs at -O1 and     |622-1.c ICEs at -O1 and
                   |abiove for aarch64-elf      |above for aarch64-elf ILP32
                   |ILP32                       |

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(gdb) p icode
$1 = CODE_FOR_addsi3
(gdb) p debug_rtx(x)
(reg:SI 86)
$2 = void
(gdb) p debug_rtx(y)
(const_int 75497488 [0x4800010])

[Bug target/59222] [4.9 Regression] gcc.c-torture/compile/20050622-1.c ICEs at -O1 and above for aarch64-elf ILP32

[ramana at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59222

Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-02-07
                 CC|                            |ramana at gcc dot gnu.org,
                   |                            |vmakarov at gcc dot gnu.org,
                   |                            |yvan.roux at linaro dot org
     Ever confirmed|0                           |1

--- Comment #4 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> ---
Adding Vlad and Yvan to the cc list as they've been looking at LRA for AArch64.

[Bug target/59222] [4.9 Regression] gcc.c-torture/compile/20050622-1.c ICEs at -O1 and above for aarch64-elf ILP32

[vmakarov at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59222

--- Comment #5 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Thu Feb 27 17:06:02 2014
New Revision: 208201

URL: http://gcc.gnu.org/viewcvs?rev=208201&root=gcc&view=rev
Log:
2014-02-27  Vladimir Makarov  <vmakarov@redhat.com>

    PR target/59222
    * lra.c (lra_emit_add): Check SUBREG too.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra.c

[Bug target/59222] [4.9 Regression] gcc.c-torture/compile/20050622-1.c ICEs at -O1 and above for aarch64-elf ILP32

[law at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59222

Jeffrey A. Law <law at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |law at redhat dot com
         Resolution|---                         |FIXED

--- Comment #6 from Jeffrey A. Law <law at redhat dot com> ---
Fixed by Vlad's commit.