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Altera_Forum
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15 years ago

gcc3 and gcc4 for nios in Altera 10.0

I've just downloaded the gcc sources (gcc3 and gcc4) for Altera 10.0 from the Altera ftp site. AFAICT the gcc3 sources are identical to those from the 9.1 release (except that the version and b...
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Altera_Forum
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15 years ago

FWIW all my patches to gcc applied ok.

However the generated code is significantly worse than that from gcc3.

I haven't looked at exactly what has happened, but my hdlc code loop has gone from 149 clocks to 175 - about 17% degradation, this isn't a good sign!