Le jeudi 13 août 2026, 15:17:09 heure d’été d’Europe centrale Bastien Roucaries a écrit :
> > and the result will be that the package fails to install on baseline > > CPUs, and only installs successfully on those CPUs where it can actually > > work. > > You could even now test at run time using isa-support package and > /usr/libexec/x86_64-linux-gnu/isa-support/test-SSE3 > /usr/libexec/x86_64-linux-gnu/isa-support/test-SSE4.1 > /usr/libexec/x86_64-linux-gnu/isa-support/test-SSE4.2 > /usr/libexec/x86_64-linux-gnu/isa-support/test-x86-64-v2 > /usr/libexec/x86_64-linux-gnu/isa-support/test-x86-64-v3 > > qemu command are available in case of problem: > /usr/libexec/x86_64-linux-gnu/isa-support/qemu-bad-SSE3 > /usr/libexec/x86_64-linux-gnu/isa-support/qemu-bad-SSE4.1 > /usr/libexec/x86_64-linux-gnu/isa-support/qemu-bad-SSE4.2 > /usr/libexec/x86_64-linux-gnu/isa-support/qemu-bad-x86-64-v2 > /usr/libexec/x86_64-linux-gnu/isa-support/qemu-bad-x86-64-v3 > /usr/libexec/x86_64-linux-gnu/isa-support/qemu-good-SSE3 > /usr/libexec/x86_64-linux-gnu/isa-support/qemu-good-SSE4.1 > /usr/libexec/x86_64-linux-gnu/isa-support/qemu-good-SSE4.2 > /usr/libexec/x86_64-linux-gnu/isa-support/qemu-good-x86-64-v2 > /usr/libexec/x86_64-linux-gnu/isa-support/qemu-good-x86-64-v3 > > run it with program and you could check if program run with or without extra > instruction. Now we have [amd64] /usr/libexec/x86_64-linux-gnu/isa-support/test-SSE3 /usr/libexec/x86_64-linux-gnu/isa-support/test-SSE4.1 /usr/libexec/x86_64-linux-gnu/isa-support/test-SSE4.2 /usr/libexec/x86_64-linux-gnu/isa-support/test-x86-64-v2 /usr/libexec/x86_64-linux-gnu/isa-support/test-x86-64-v3 [arm64] /usr/libexec/aarch64-linux-gnu/isa-support/test-ARMv8CRC [armhf] /usr/libexec/arm-linux-gnueabihf/isa-support/test-ARMv8 /usr/libexec/arm-linux-gnueabihf/isa-support/test-ARMv8CRC /usr/libexec/arm-linux-gnueabihf/isa-support/test-arm64-baseline /usr/libexec/arm-linux-gnueabihf/isa-support/test-neon [i386] (test-SSE2 retained for compatibility) /usr/libexec/i386-linux-gnu/isa-support/test-SSE2 /usr/libexec/i386-linux-gnu/isa-support/test-SSE3 /usr/libexec/i386-linux-gnu/isa-support/test-SSE4.1 /usr/libexec/i386-linux-gnu/isa-support/test-SSE4.2 /usr/libexec/i386-linux-gnu/isa-support/test-amd64-baseline /usr/libexec/i386-linux-gnu/isa-support/test-i386-baseline /usr/libexec/i386-linux-gnu/isa-support/test-x86-64-v1 /usr/libexec/i386-linux-gnu/isa-support/test-x86-64-v2 /usr/libexec/i386-linux-gnu/isa-support/test-x86-64-v3 [ppc64] /usr/libexec/powerpc64-linux-gnu/isa-support/test-altivec /usr/libexec/powerpc64-linux-gnu/isa-support/test-power10 /usr/libexec/powerpc64-linux-gnu/isa-support/test-power8 /usr/libexec/powerpc64-linux-gnu/isa-support/test-power9 [s390x] /usr/libexec/s390x-linux-gnu/isa-support/test-z14 /usr/libexec/s390x-linux-gnu/isa-support/test-z15 /usr/libexec/s390x-linux-gnu/isa-support/test-z16 /usr/libexec/s390x-linux-gnu/isa-support/test-z17 Note that this program does not depends on proc, and work under qemu. So are safe to use. Will like to have isa ABI test for loong64 and riscv64 Will add a forky-isa-support package availble as PU for helping our user before forky.
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