[Bug target/105613] New: [13 Regression] wrong code with unsigned V1TI comparison
zsojka at seznam dot cz
gcc-bugzilla@gcc.gnu.org
Mon May 16 05:07:40 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105613
Bug ID: 105613
Summary: [13 Regression] wrong code with unsigned V1TI
comparison
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: x86_64-pc-linux-gnu
Created attachment 52982
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52982&action=edit
reduced testcase
Output:
$ x86_64-pc-linux-gnu-gcc testcase.c
$ ./a.out
Aborted
(gdb) p r
$1 = {0}
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r13-468-20220516083034-g69c4b5c519f-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.0/lto-wrapper
Target: x86_64-pc-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
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r13-468-20220516083034-g69c4b5c519f-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.0 20220516 (experimental) (GCC)
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