[Bug c/103433] New: ICE in convert_move, at expr.c:219

[ilyply2006 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103433

            Bug ID: 103433
           Summary: ICE in convert_move, at expr.c:219
           Product: gcc
           Version: 10.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ilyply2006 at hotmail dot com
  Target Milestone: ---

$ cat test.c
#include "arm_sve.h"
__attribute__((noinline)) void
test_ldst_1 (svfloat32_t op0, svfloat32x2_t *op1)
{
    *op1 = *(svfloat32x2_t*)&op0;
}

$ ./aarch64-none-elf-gcc -v -save-temps -march=armv8.2-a+sve test.c -O3 -S
Using built-in specs.
COLLECT_GCC=./aarch64-none-elf-gcc
Target: aarch64-none-elf
Configured with:
/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/snapshots/gcc/configure
SHELL=/bin/sh
--with-mpc=/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu
--with-mpfr=/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu
--with-gmp=/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu
--with-gnu-as --with-gnu-ld --disable-libmudflap --enable-lto --enable-shared
--without-included-gettext --enable-nls --with-system-zlib
--disable-sjlj-exceptions --enable-gnu-unique-object --enable-linker-build-id
--disable-libstdcxx-pch --enable-c99 --enable-clocale=gnu
--enable-libstdcxx-debug --enable-long-long --with-cloog=no --with-ppl=no
--with-isl=no --enable-multilib --enable-fix-cortex-a53-835769
--enable-fix-cortex-a53-843419 --with-arch=armv8-a --enable-threads=no
--disable-multiarch --with-newlib --with-build-sysroot=
--with-sysroot=/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu/aarch64-none-elf/libc
--enable-checking=release --disable-bootstrap --enable-languages=c,c++,lto
--prefix=/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=aarch64-none-elf
Thread model: single
Supported LTO compression algorithms: zlib
gcc version 10.2.1 20201103 (GCC)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-march=armv8.2-a+sve' '-O3' '-S'
'-mlittle-endian' '-mabi=lp64'

/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu/libexec/gcc/aarch64-none-elf/10.2.1/cc1
-E -quiet -v test.c -march=armv8.2-a+sve -mlittle-endian -mabi=lp64 -O3
-fpch-preprocess -o test.i
ignoring nonexistent directory
"/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu/aarch64-none-elf/libc/usr/local/include"
ignoring nonexistent directory
"/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu/aarch64-none-elf/libc/usr/include"
#include "..." search starts here:
#include <...> search starts here:

/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu/lib/gcc/aarch64-none-elf/10.2.1/include

/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu/lib/gcc/aarch64-none-elf/10.2.1/include-fixed

/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu/lib/gcc/aarch64-none-elf/10.2.1/../../../../aarch64-none-elf/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-march=armv8.2-a+sve' '-O3' '-S'
'-mlittle-endian' '-mabi=lp64'

/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/builds/destdir/x86_64-pc-linux-gnu/libexec/gcc/aarch64-none-elf/10.2.1/cc1
-fpreprocessed test.i -quiet -dumpbase test.c -march=armv8.2-a+sve
-mlittle-endian -mabi=lp64 -auxbase test -O3 -version -o test.s
GNU C17 (GCC) version 10.2.1 20201103 (aarch64-none-elf)
        compiled by GNU C version 7.5.0, GMP version 4.3.2, MPFR version 3.1.6,
MPC version 1.0.3, isl version none
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C17 (GCC) version 10.2.1 20201103 (aarch64-none-elf)
        compiled by GNU C version 7.5.0, GMP version 4.3.2, MPFR version 3.1.6,
MPC version 1.0.3, isl version none
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 2cefa28229609aee36b21907b2deb066
during RTL pass: expand
test.c: In function ‘test_ldst_1’:
test.c:5:10: internal compiler error: in convert_move, at expr.c:219
    5 |     *op1 = *(svfloat32x2_t*)&op0;
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
0x8606f3 convert_move(rtx_def*, rtx_def*, int)
       
/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/snapshots/gcc/gcc/expr.c:219
0x86773d store_expr(tree_node*, rtx_def*, int, bool, bool)
       
/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/snapshots/gcc/gcc/expr.c:5832
0x867c55 expand_assignment(tree_node*, tree_node*, bool)
       
/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/snapshots/gcc/gcc/expr.c:5516
0x75aed8 expand_gimple_stmt_1
       
/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/snapshots/gcc/gcc/cfgexpand.c:3753
0x75aed8 expand_gimple_stmt
       
/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/snapshots/gcc/gcc/cfgexpand.c:3851
0x760657 expand_gimple_basic_block
       
/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/snapshots/gcc/gcc/cfgexpand.c:5892
0x762cd6 execute
       
/work/home/xjin/gcc/arm-gnu-toolchain/abe_build/snapshots/gcc/gcc/cfgexpand.c:6547
Please submit a full bug report,
with preprocessed source if appropriate.