shift « integer « C Data Type Q&A

1. Multiply with negative integer just by shifting    stackoverflow.com

I'm trying to find a way to multiply an integer value with negative value just with bit shifting. Usually I do this by shifting with the power of 2 which is closest ...

2. SSE shifting integers    stackoverflow.com

I'm trying to understand how shifting with SSE works, but I don't understand the output gdb gives me. Using SSE4 I have a 128bit vector holding 8 16bit unsigned integers (using ...

3. C - Need to shift an unsigned int right one place at a time.    stackoverflow.com

I need to shift an unsigned int to the right more than 32 times and still get a proper answer of zero instead of the random or original number. E.g 8 ...

4. Right shift two's complement number like an unsigned int    stackoverflow.com

Is this possible? I have a signed int and need to shift it right 4 places. I cannot cast the int to an unsigned int, shift and then cast back. I ...

5. Conversions of integer using shift and bitwise logical operations    bytes.com