This warning message is printed when I run one of the spec06 programs:

//
// NOTE: This program is using a lot of legacy x87 floating point
// at 64613 commits, 42675 cycles.
// PTLsim executes x87 code very sub-optimally: it is HIGHLY recommended
// that you recompile the program with SSE/SSE2 support and/or update
// the standard libraries (libc, libm) to an SSE/SSE2-specific version.

How serious it is?

Thanks and Regards
Sparsh Mittal
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