On i386, Nanojit has two basic modes of operation:  SSE, and non-SSE.  Non-SSE is for old machines that don’t support SSE instructions.  (It might actually be SSE2 instructions, I’m not sure.)  My two machines both support SSE and so the non-SSE is never exercised unless I specify the environment variable X86_FORCE_SSE=no.  Since this invocation doesn’t … Continue reading Nanojit test coverage