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10 Commits

Author SHA1 Message Date
Eddie Hung 0b6d47f8bf Add DSP_{A,B}_SIGNEDONLY macro 2019-07-16 15:55:13 -07:00
Eddie Hung 569cd66764 Merge branch 'xc7dsp' of github.com:YosysHQ/yosys into xc7dsp 2019-07-16 14:18:36 -07:00
David Shah 8da4c1ad82 mul2dsp: Fix edge case where Y_WIDTH is less than B_WIDTH+`DSP_A_MAXWIDTH 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-16 16:44:40 +01:00
David Shah 7a75f5f3ac mul2dsp: Fix indentation 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-16 16:19:32 +01:00
Eddie Hung fd5b3593d8 Do not swap if equals 2019-07-15 16:52:37 -07:00
Eddie Hung 42f8e68e76 OUT port to Y in generic DSP 2019-07-15 14:45:47 -07:00
Eddie Hung 91fcf034bc Only swap if B_WIDTH > A_WIDTH 2019-07-15 11:24:11 -07:00
Eddie Hung 1793e6018a Tidy up 2019-07-15 11:19:54 -07:00
David Shah e78864993a mul2dsp: Fix typo 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-08 18:42:41 +01:00
David Shah 269ff450f5 Add mul2dsp multiplier splitting rule and ECP5 mapping 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-08 18:42:09 +01:00