ISE综合时出现大量(without init value）警告
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发表于 4/30/2012 7:49:00 PM
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谁知道综合时出现这样的Warning 是什么原因啊
WARNING:Xst:1896 - Due to other FF/Latch trimming, FF/Latch <decodedOpcode_19> has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <next_state_3> (without init value) has a constant value of 0 in block. This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <next_state_13> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <next_state_16> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <next_state_17> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <next_state_18> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <next_state_19> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <state_3> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <state_13> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <state_16> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <state_17> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <state_18> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1895 - Due to other FF/Latch trimming, FF/Latch <state_19> (without init value) has a constant value of 0 in block . This FF/Latch will be trimmed during the optimization process.
WARNING:Xst:1336 - (*) More than 100% of Device resources are used
