sse « float « C Data Type Q&A

1. SSE register return with SSE disabled    stackoverflow.com

I am in the following situation:

• I am writing code for a kernel that does not allow SSE instructions
• I need to do floating-point arithmetic
• I'm compiling for a x86_64 platform

2. Intel SSE: Why does `_mm_extract_ps` return `int` instead of `float`?    stackoverflow.com

Why does _mm_extract_ps return an int instead of a float? What's the proper way to read a single float from an XMM register in C? Or rather, a different way to ask it ...