AFAIK every 64-bit capable x86 has at least SSE2 available, so SSE2 code is safe to be the default one (while code for SSE3 and higher requires CPUID checks). Still, I want to confirm.
Sergei
Mailing lists / fpc-devel / 2011-04
Is it ok to commit SSE2 assembler code for x86_64?
2 messages · 2 people ·
- Florian Klämpfl 1
- Sergei Gorelkin 1
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Sergei Gorelkin wroteAFAIK every 64-bit capable x86 has at least SSE2 available, so SSE2 code is safe to be the default one
Yes.