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by jvanderbot
659 days ago
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> Although SSE2 is always available on x86-64, I also disabled the cpuid bit for SSE2 and SSE to see if it could nudge glibc into using scalar registers to copy data. I immediately got a kernel panic. Ah, well. I think you need to recompile your compiler, or disable those explicitly via link / cc flags. Compilers are fairly hard to get to coax / dissuade SIMD instructions, IMHO. |
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