• Bug#1065596: gcc-12-offload-nvptx: offloading fails due to unsupported

    From Giacomo Mulas@21:1/5 to All on Thu Mar 7 09:10:01 2024
    Package: gcc-12-offload-nvptx
    Version: 12.3.0-15
    Severity: normal

    Dear Maintainer,

    current versions of ptxas dropped support for sm_35, yet gcc-12-offload-nvptx uses that as the default, if unspecified. I can still compile openmp code offloaded to nvptx, but I have to explicitly add something like -foffload-options=nvptx-none="-march=
    sm_53" to override the default target arch. Please fix this, or make the default configurable so that one does not have to always specify it on the command line.
    I am not sure this should be fixed in gcc-12-offload-nvptx or in nvptx-tools, feel free to reassign the bug, if appropriate.

    Thanks in advance, best regards
    Giacomo Mulas

    -- System Information:
    Debian Release: trixie/sid
    APT prefers unstable
    APT policy: (401, 'unstable'), (10, 'experimental')
    Architecture: amd64 (x86_64)
    Foreign Architectures: i386

    Kernel: Linux 6.7.7-amd64 (SMP w/12 CPU threads; PREEMPT)
    Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
    Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE not set
    Shell: /bin/sh linked to /usr/bin/dash
    Init: systemd (via /run/systemd/system)
    LSM: AppArmor: enabled

    Versions of packages gcc-12-offload-nvptx depends on:
    ii gcc-12 12.3.0-15
    ii gcc-12-base 12.3.0-15
    ii libc6 2.37-15.1
    ii libc6-dev 2.37-15.1
    ii libgmp10 2:6.3.0+dfsg-2+b1
    ii libgomp-plugin-nvptx1 14-20240303-1
    ii libmpc3 1.3.1-1+b2
    ii libmpfr6 4.2.1-1+b1
    ii libzstd1 1.5.5+dfsg2-2
    ii nvptx-tools 0.20230904-1
    ii zlib1g 1:1.3.dfsg-3.1

    gcc-12-offload-nvptx recommends no packages.

    gcc-12-offload-nvptx suggests no packages.

    -- no debconf information

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