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From: "zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/103773] New: wrong code at -Oz due to sign extension Date: Mon, 20 Dec 2021 12:47:26 +0000 [thread overview] Message-ID: <bug-103773-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103773 Bug ID: 103773 Summary: wrong code at -Oz due to sign extension Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: roger at nextmovesoftware dot com Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 52034 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52034&action=edit reduced testcase Output: $ x86_64-pc-linux-gnu-gcc -Oz testcase.c $ ./a.out Aborted $ 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-r12-6072-20211220084313-g8d1e342b4af-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.0/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 --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-r12-6072-20211220084313-g8d1e342b4af-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.0 20211220 (experimental) (GCC)
next reply other threads:[~2021-12-20 12:47 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-20 12:47 zsojka at seznam dot cz [this message] 2021-12-20 14:03 ` [Bug target/103773] " roger at nextmovesoftware dot com 2021-12-20 14:21 ` jakub at gcc dot gnu.org 2021-12-21 15:32 ` roger at nextmovesoftware dot com 2021-12-21 15:50 ` zsojka at seznam dot cz 2021-12-23 12:36 ` cvs-commit at gcc dot gnu.org 2021-12-27 17:31 ` roger at nextmovesoftware dot com
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