Le lundi 17 août 2026, 12:29:41 heure d’été d’Europe centrale John Paul Adrian Glaubitz a écrit : > Hi Bastien, > > On Mon, 2026-08-17 at 12:02 +0200, Bastien Roucaries wrote: > > 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 > > What about ppc64el? powerpc/ppc64el and ppc64 same compiled program.
/usr/libexec/powerpc64le-linux-gnu/isa-support/test-altivec /usr/libexec/powerpc64le-linux-gnu/isa-support/test-power10 /usr/libexec/powerpc64le-linux-gnu/isa-support/test-power8 /usr/libexec/powerpc64le-linux-gnu/isa-support/test-power9 I can also add ports also if needed rouca > > Adrian > >
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