https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91976
Bug ID: 91976
Summary: [10 regression] RTL check: expected code 'const_int',
have 'reg' in emit_block_move_hints, at expr.c:1627
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: dimhen at gmail dot com
Target Milestone: ---
gcc bootstrap
r276439 PASS
r276476 FAIL
Fedora 30 x86_64
/home/dimhen/src/gcc_current/configure --prefix=/usr/local/gcc_current
--enable-checking=yes,df,fold,rtl,extra --enable-languages=c,c++,lto
--disable-multilib --enable-shared --enable-threads=posix --enable-__cxa_atexit
--enable-gnu-unique-object --enable-linker-build-id
--with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl
--enable-offload-targets=nvptx-none --without-cuda-driver
--enable-gnu-indirect-function --enable-cet --with-tune=native
make
...
/home/dimhen/build/gcc_current/./gcc/xgcc
-B/home/dimhen/build/gcc_current/./gcc/
-B/usr/local/gcc_current/x86_64-pc-linux-gnu/bin/
-B/usr/local/gcc_current/x86_64-pc-linux-gnu/lib/ -isystem
/usr/local/gcc_current/x86_64-pc-linux-gnu/include -isystem
/usr/local/gcc_current/x86_64-pc-linux-gnu/sys-include -fno-checking -g -O2
-O2 -g -O2 -DIN_GCC -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual
-Wno-format -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include -fpic -mlong-double-80 -DUSE_ELF_SYMVER -fcf-protection
-mshstk -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fpic
-mlong-double-80 -DUSE_ELF_SYMVER -fcf-protection -mshstk -I. -I. -I../.././gcc
-I/home/dimhen/src/gcc_current/libgcc -I/home/dimhen/src/gcc_current/libgcc/.
-I/home/dimhen/src/gcc_current/libgcc/../gcc
-I/home/dimhen/src/gcc_current/libgcc/../include
-I/home/dimhen/src/gcc_current/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT
-DHAVE_CC_TLS -DUSE_TLS -o _gcov.o -MT _gcov.o -MD -MP -MF _gcov.dep -DL_gcov
-c /home/dimhen/src/gcc_current/libgcc/libgcov-driver.c
during RTL pass: expand
In file included from /home/dimhen/src/gcc_current/libgcc/libgcov-driver.c:214:
/home/dimhen/src/gcc_current/libgcc/libgcov-driver-system.c: In function
'gcov_do_dump':
/home/dimhen/src/gcc_current/libgcc/libgcov-driver-system.c:252:26: internal
compiler error: RTL check: expected code 'const_int', have 'reg' in
emit_block_move_hints, at expr.c:1627
252 | char *p = (char *) memcpy (gf->prefix, gcov_prefix,
prefix_length);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x1218bf6 rtl_check_failed_code1(rtx_def const*, rtx_code, char const*, int,
char const*)
/home/dimhen/src/gcc_current/gcc/rtl.c:879
0xc8346e emit_block_move_hints(rtx_def*, rtx_def*, rtx_def*, block_op_methods,
unsigned int, long, unsigned long, unsigned long, unsigned long, bool, bool*,
bool)
/home/dimhen/src/gcc_current/gcc/expr.c:1627
0xa441ae expand_builtin_memory_copy_args
/home/dimhen/src/gcc_current/gcc/builtins.c:3936
0xa439da expand_builtin_memcpy
/home/dimhen/src/gcc_current/gcc/builtins.c:3793
0xa50c08 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
/home/dimhen/src/gcc_current/gcc/builtins.c:7644
0xcb582d expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/home/dimhen/src/gcc_current/gcc/expr.c:11108
0xca7170 expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
/home/dimhen/src/gcc_current/gcc/expr.c:8327
0xc9ab8d store_expr(tree_node*, rtx_def*, int, bool, bool)
/home/dimhen/src/gcc_current/gcc/expr.c:5723
0xc98ed0 expand_assignment(tree_node*, tree_node*, bool)
/home/dimhen/src/gcc_current/gcc/expr.c:5485
0xa9ecd9 expand_call_stmt
/home/dimhen/src/gcc_current/gcc/cfgexpand.c:2729
0xaa2d2d expand_gimple_stmt_1
/home/dimhen/src/gcc_current/gcc/cfgexpand.c:3710
0xaa3471 expand_gimple_stmt
/home/dimhen/src/gcc_current/gcc/cfgexpand.c:3875
0xaace9b expand_gimple_basic_block
/home/dimhen/src/gcc_current/gcc/cfgexpand.c:5914
0xaae9eb execute
/home/dimhen/src/gcc_current/gcc/cfgexpand.c:6554
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with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
