https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108803
Bug ID: 108803
Summary: [10/11/12/13 Regression] wrong code for 128bit rotate
on aarch64-unknown-linux-gnu with -Og
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: aarch64-unknown-linux-gnu
Created attachment 54468
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54468&action=edit
reduced testcase
Output:
$ aarch64-unknown-linux-gnu-gcc -Og testcase.c -static
$ qemu-aarch64 -- ./a.out
qemu: uncaught target signal 6 (Aborted) - core dumped
Aborted
The value is "63 << 64 | 63" instead of just "63".
$ aarch64-unknown-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-aarch64/bin/aarch64-unknown-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r13-5999-20230215101300-g3f71b82596e-checking-yes-rtl-df-extra-nobootstrap-aarch64/bin/../libexec/gcc/aarch64-unknown-linux-gnu/13.0.1/lto-wrapper
Target: aarch64-unknown-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--with-sysroot=/usr/aarch64-unknown-linux-gnu --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=aarch64-unknown-linux-gnu
--with-ld=/usr/bin/aarch64-unknown-linux-gnu-ld
--with-as=/usr/bin/aarch64-unknown-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r13-5999-20230215101300-g3f71b82596e-checking-yes-rtl-df-extra-nobootstrap-aarch64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.1 20230215 (experimental) (GCC)
