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Altera_Forum
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10 years ago

how to use the floating point hardware in nios II custom instructions

hi i want to compare the speed difference of floating point calc between custom instruction floating point and software. this is my code:# include <stdio.h># include <altera_avalon_pio_regs....
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Forgot to ask you, what optimization did you use for compiling the C code? The compiler seems to be trying to be smart by optimizing away the floating points operations.