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Altera_Forum
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17 years ago

problem with resource sharing.......

i've a piece of hardware which does something like this: a<= b xor c; d<= e xor b xor c; f<= g xor e xor b xor c; i do all these operations in 1 clk cycle....... but synthesizer do...
Altera_Forum's avatar
Altera_Forum
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17 years ago

Sumanthhv,

There is no ressource sharing. The compiler partially replaces an expression by an already known result. In case the compiler would not do this it would anyhow create the same logic for the signal f. This cannot be the root cause of the "error due to feedback". Where is the feedback?