[Bug rtl-optimization/67477] New: ICE in cselib_record_set, at cselib.c:2388

rmansfield at qnx dot com gcc-bugzilla@gcc.gnu.org
Mon Sep 7 11:47:00 GMT 2015


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67477

            Bug ID: 67477
           Summary: ICE in cselib_record_set, at cselib.c:2388
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rmansfield at qnx dot com
  Target Milestone: ---
            Target: arm-unknown-linux-gnueabi

Created attachment 36298
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36298&action=edit
reduced preprocessed source

$ ./xgcc -v
Using built-in specs.
COLLECT_GCC=./xgcc
Target: arm-unknown-linux-gnueabi
Configured with: ../configure --target=arm-unknown-linux-gnueabi
--prefix=/home/rmansfield/x-tools/arm-unknown-linux-gnueabi
--with-sysroot=/home/rmansfield/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi//sys-root
--disable-multilib
--with-local-prefix=/home/rmansfield/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi/sys-root
--disable-nls --enable-threads=posix --enable-symvers=gnu --enable-c99
--enable-long-long --enable-target-optspace
target_alias=arm-unknown-linux-gnueabi --enable-languages=c++ --disable-libssp
--enable-checking
Thread model: posix
gcc version 6.0.0 20150907 (experimental) [trunk revision 227519] (GCC) 

$ ./xgcc -B. ~/ice.i -O3 -fstack-protector-strong -mfpu=neon -mfloat-abi=softfp
 -march=armv7-a -mfloat-abi=softfp -c
/home/rmansfield/ice.i: In function 'swblit_1d_NV12_2_B8G8R8X8':
/home/rmansfield/ice.i:69:1: internal compiler error: in cselib_record_set, at
cselib.c:2388
 }
 ^
0x6df43f cselib_record_set
        ../../gcc/cselib.c:2388
0x6df43f cselib_record_sets
        ../../gcc/cselib.c:2605
0x6e0137 cselib_process_insn(rtx_insn*)
        ../../gcc/cselib.c:2678
0x99ef08 reload_cse_regs_1
        ../../gcc/postreload.c:235
0x99f23b reload_cse_regs
        ../../gcc/postreload.c:81
0x99f23b execute
        ../../gcc/postreload.c:2350
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

Started happening after r227382

https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=227382



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