Le samedi 23 novembre 2024, 20:03:26 UTC Jeremy Bícha a écrit : > On Sat, Nov 23, 2024 at 1:57 PM Bastien Roucariès <ro...@debian.org> wrote: > > > > Le samedi 23 novembre 2024, 18:29:04 UTC Andrey Rakhmatullin a écrit : > > > On Sat, Nov 23, 2024 at 03:14:42PM +0100, Fabian Grünbichler wrote: > > > > B) bump the i386 baseline in Debian to require SSE2, and stop disabling > > > > SSE2 there in rustc > > > > It will break I suppose imagemagick on i386 and scientific software > > testsuite > > > > i386 means FPU so excess precision. > > > > SSE is good and even better but excess precision is worked arround thus > > FTBFS > > Debian's i386 already has excess precision: > https://wiki.debian.org/ArchitectureSpecificsMemo#i386 > > If you mean something else, could you be… more precise?
if SSE2 is enables gcc will not use i387 thus i386 will loss excess precision and have double like amd64 i387 => excess precision SSE2 no excess precision Bastien > > Thank you, > Jeremy Bícha >
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