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author | Eddie Hung <eddie@fpgeh.com> | 2019-11-21 16:15:25 -0800 |
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committer | Eddie Hung <eddie@fpgeh.com> | 2019-11-21 16:15:25 -0800 |
commit | 5a30e3ac3ba6435ebf9db0f8acfba61e9ee73ad7 (patch) | |
tree | 9f6ee2debc233e178be133c218a8b021389d2c0e /techlibs/xilinx/abc9_map.v | |
parent | 911a152b39959137b26e68581a6cacbcabb4ab1d (diff) | |
parent | 1cc106452fb25d082ca9491c24df97cc51d4b992 (diff) | |
download | yosys-5a30e3ac3ba6435ebf9db0f8acfba61e9ee73ad7.tar.gz yosys-5a30e3ac3ba6435ebf9db0f8acfba61e9ee73ad7.tar.bz2 yosys-5a30e3ac3ba6435ebf9db0f8acfba61e9ee73ad7.zip |
Merge branch 'eddie/xaig_dff_adff' into xaig_dff
Diffstat (limited to 'techlibs/xilinx/abc9_map.v')
-rw-r--r-- | techlibs/xilinx/abc9_map.v | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/techlibs/xilinx/abc9_map.v b/techlibs/xilinx/abc9_map.v index d2c0abeb6..9913b229f 100644 --- a/techlibs/xilinx/abc9_map.v +++ b/techlibs/xilinx/abc9_map.v @@ -120,10 +120,11 @@ module FDCE (output reg Q, input C, CE, D, CLR); .IS_D_INVERTED(IS_D_INVERTED), .IS_CLR_INVERTED(IS_CLR_INVERTED) ) _TECHMAP_REPLACE_ ( - .D(D), .Q($nextQ), .C(C), .CE(CE), .CLR(IS_CLR_INVERTED) + .D(D), .Q($nextQ), .C(C), .CE(CE), .CLR(CLR) // ^^^ Note that async - // control is disabled - // here but captured by + // control is not directly + // supported by abc9 but its + // behaviour is captured by // $__ABC9_ASYNC below ); \$__ABC9_FF_ abc_dff (.D($nextQ), .Q($abc9_currQ)); @@ -142,10 +143,11 @@ module FDCE_1 (output reg Q, input C, CE, D, CLR); FDCE_1 #( .INIT(INIT) ) _TECHMAP_REPLACE_ ( - .D(D), .Q($nextQ), .C(C), .CE(CE), .CLR(1'b0) + .D(D), .Q($nextQ), .C(C), .CE(CE), .CLR(CLR) // ^^^ Note that async - // control is disabled - // here but captured by + // control is not directly + // supported by abc9 but its + // behaviour is captured by // $__ABC9_ASYNC below ); \$__ABC9_FF_ abc_dff (.D($nextQ), .Q($abc9_currQ)); @@ -169,10 +171,11 @@ module FDPE (output reg Q, input C, CE, D, PRE); .IS_D_INVERTED(IS_D_INVERTED), .IS_PRE_INVERTED(IS_PRE_INVERTED), ) _TECHMAP_REPLACE_ ( - .D(D), .Q($nextQ), .C(C), .CE(CE), .PRE(IS_PRE_INVERTED) + .D(D), .Q($nextQ), .C(C), .CE(CE), .PRE(PRE) // ^^^ Note that async - // control is disabled - // here but captured by + // control is not directly + // supported by abc9 but its + // behaviour is captured by // $__ABC9_ASYNC below ); \$__ABC9_FF_ abc_dff (.D($nextQ), .Q($abc9_currQ)); @@ -189,10 +192,11 @@ module FDPE_1 (output reg Q, input C, CE, D, PRE); FDPE_1 #( .INIT(INIT) ) _TECHMAP_REPLACE_ ( - .D(D), .Q($nextQ), .C(C), .CE(CE), .PRE(1'b0) + .D(D), .Q($nextQ), .C(C), .CE(CE), .PRE(PRE) // ^^^ Note that async - // control is disabled - // here but captured by + // control is not directly + // supported by abc9 but its + // behaviour is captured by // $__ABC9_ASYNC below ); \$__ABC9_FF_ abc_dff (.D($nextQ), .Q($abc9_currQ)); |