From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 1897D3858D20; Thu, 13 Apr 2023 18:58:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1897D3858D20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1681412281; bh=D6LGP64nDrO4Lao+5Cgo3NO3Gc8rtqB6if7hO8W6CSo=; h=From:To:Subject:Date:From; b=jOuFI4WIsIPBWRtEcXZn+AeA5ibK57grWl3k8X8EVrTs7TRZiG4Dh7k/S48G+Si0H v4sa7dRwQPPVvbfnUFqfQaOGOcCCqafvbnURYCGcMDj47yxseFeKdBXzuOYsnaRerv IDmZSVG81p5PGjCtubCA5VrGHdd/fuUbXbANzIJk= From: "vd.kraats at hccnet dot nl" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/109504] New: Compilation fails with pragma GCC target sse4.1 and immintrin.h Date: Thu, 13 Apr 2023 18:58:00 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 12.2.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: vd.kraats at hccnet dot nl X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109504 Bug ID: 109504 Summary: Compilation fails with pragma GCC target sse4.1 and immintrin.h Product: gcc Version: 12.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: vd.kraats at hccnet dot nl Target Milestone: --- Problem occurs at Debian Bookworm (Testing) i686 (32 bit). debian:~$ cat test.c #pragma GCC target("sse4.1") #include <immintrin.h> int main(){return 0;} debian:~$ gcc -v test.c 2>&1 | head -100 Using built-in specs. COLLECT_GCC=3Dgcc COLLECT_LTO_WRAPPER=3D/usr/lib/gcc/i686-linux-gnu/12/lto-wrapper Target: i686-linux-gnu Configured with: ../src/configure -v --with-pkgversion=3D'Debian 12.2.0-14' --with-bugurl=3Dfile:///usr/share/doc/gcc-12/README.Bugs --enable-languages=3Dc,ada,c++,go,d,fortran,objc,obj-c++,m2 --prefix=3D/usr --with-gcc-major-version-only --program-suffix=3D-12 --program-prefix=3Di686-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=3D/usr/lib --without-included-gettext --enable-threads=3Dposix --libdir=3D/usr/lib --enable-nls --enable-clocale=3Dgnu --enable-libstdcxx-= debug --enable-libstdcxx-time=3Dyes --with-default-libstdcxx-abi=3Dnew --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=3Drelea= se --with-target-system-zlib=3Dauto --enable-objc-gc=3Dauto --enable-targets= =3Dall --enable-multiarch --disable-werror --with-arch-32=3Di686 --with-multilib-list=3Dm32,m64,mx32 --enable-multilib --with-tune=3Dgeneric --enable-checking=3Drelease --build=3Di686-linux-gnu --host=3Di686-linux-gnu --target=3Di686-linux-gnu Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.2.0 (Debian 12.2.0-14) COLLECT_GCC_OPTIONS=3D'-v' '-mtune=3Dgeneric' '-march=3Di686' '-dumpdir' 'a-' /usr/lib/gcc/i686-linux-gnu/12/cc1 -quiet -v -imultiarch i386-linux-gnu te= st.c -quiet -dumpdir a- -dumpbase test.c -dumpbase-ext .c -mtune=3Dgeneric -marc= h=3Di686 -version -fasynchronous-unwind-tables -o /tmp/ccvTqsb4.s GNU C17 (Debian 12.2.0-14) version 12.2.0 (i686-linux-gnu) compiled by GNU C version 12.2.0, GMP version 6.2.1, MPFR version 4.1.1-p1, MPC version 1.3.1, isl version isl-0.25-GMP warning: MPFR header version 4.1.1-p1 differs from library version 4.2.0. GGC heuristics: --param ggc-min-expand=3D100 --param ggc-min-heapsize=3D131= 072 ignoring nonexistent directory "/usr/local/include/i386-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/i686-linux-gnu/12/include-fixed" ignoring nonexistent directory "/usr/lib/gcc/i686-linux-gnu/12/../../../../i686-linux-gnu/include&quo= t; #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/i686-linux-gnu/12/include /usr/local/include /usr/include/i386-linux-gnu /usr/include End of search list. GNU C17 (Debian 12.2.0-14) version 12.2.0 (i686-linux-gnu) compiled by GNU C version 12.2.0, GMP version 6.2.1, MPFR version 4.1.1-p1, MPC version 1.3.1, isl version isl-0.25-GMP warning: MPFR header version 4.1.1-p1 differs from library version 4.2.0. GGC heuristics: --param ggc-min-expand=3D100 --param ggc-min-heapsize=3D131= 072 Compiler executable checksum: e1e0efc2c04a9ab28e35cf4254d1a7fe In file included from /usr/lib/gcc/i686-linux-gnu/12/include/immintrin.h:98, from test.c:2: /usr/lib/gcc/i686-linux-gnu/12/include/avx512fp16intrin.h:38:9: error: =E2=80=98_Float16=E2=80=99 is not supported on this target 38 | typedef _Float16 __v8hf __attribute__ ((__vector_size__ (16))); This error should not be given.The current target should be sse4.1, because of the pragma. The error makes cross-compiling with a low target machine (i686 in this case) not workable. The error only occurs at gcc-12, not at gcc-11. So this seeems to be regression. The error disappears if compiling with option -msse2. This error caused filezilla not being delivered anymore at latest upgrade of Debian Bookworm. I wrote bug-request https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=3D103= 4195 . This problem was noticed before at Debian. But Debian blaimed Filezilla, and Filezila blaimed Debian/GCC, because nothing was changed in this area since previous release. See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=3D1020327 and https://trac.filezilla-project.org/ticket/12777 .=