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Altera_Forum's avatar
Altera_Forum
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21 years ago

Unnecessary instructions

Hello, it's my first post. I have question about GCC generated code. We can find several unnecessary instructions. --- sample code --- unsigned short uh; uh = IORD_16DIRECT(base,ofst)...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Aloha!

What O(ptimization) setting have you used for this? Normally, GCC should be able to remove things like zero-extend instructions as part of it's optimzation runs.