On 05.05.20 15:48, Luboš Luňák wrote:
Hello, I suggest that we remove the '-arch:SSE' added on Windows, i.e. that we require at least SSE2-capable systems. This was added by 8bd6bf93b7 in 2014, but at this point there's basically nobody who would be running LO but wouldn't be capable of SSE2. Some relevant facts: - GCC, Clang and MSVC all default to SSE2+ - The last Windows to work without at least SSE2 was Windows 7, which is EOL (and in fact it in practice required SSE2+ too, since an update in 2018). - Windows 8, MSOffice 2013, Chromium require SSE2+. - I checked all ~240k crash dumps reported in the last month and there's not a single one from a machine not capable of SSE2.
if Windows 8 requires SSE2, then i dont see any point of us patching external libraries etc. to ship releases that can run on non-SSE2 CPUs only on unsupported Windows versions.
i'm not sure if everything has SSE2 turned off currently, because likely a bunch of new externals were added where nobody checked...
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