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Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [or1200/] [rtl/] [verilog/] [or1200_operandmuxes.v] - Diff between revs 358 and 364

Rev 358	Rev 364
Line 126...	Line 126...
`//`	`//`
`// Forwarding logic for operand A register`	`// Forwarding logic for operand A register`
`//`	`//`
`always @(ex_forw or wb_forw or rf_dataa or sel_a) begin`	`always @(ex_forw or wb_forw or rf_dataa or sel_a) begin`
`ifdef OR1200_ADDITIONAL_SYNOPSYS_DIRECTIVES	`ifdef OR1200_ADDITIONAL_SYNOPSYS_DIRECTIVES
`casex (sel_a) // synopsys parallel_case infer_mux`	`casez (sel_a) // synopsys parallel_case infer_mux`
`else	`else
`casex (sel_a) // synopsys parallel_case`	`casez (sel_a) // synopsys parallel_case`
`endif	`endif
`OR1200_SEL_EX_FORW:	`OR1200_SEL_EX_FORW:
`muxed_a = ex_forw;`	`muxed_a = ex_forw;`
`OR1200_SEL_WB_FORW:	`OR1200_SEL_WB_FORW:
`muxed_a = wb_forw;`	`muxed_a = wb_forw;`
Line 144...	Line 144...
`//`	`//`
`// Forwarding logic for operand B register`	`// Forwarding logic for operand B register`
`//`	`//`
`always @(simm or ex_forw or wb_forw or rf_datab or sel_b) begin`	`always @(simm or ex_forw or wb_forw or rf_datab or sel_b) begin`
`ifdef OR1200_ADDITIONAL_SYNOPSYS_DIRECTIVES	`ifdef OR1200_ADDITIONAL_SYNOPSYS_DIRECTIVES
`casex (sel_b) // synopsys parallel_case infer_mux`	`casez (sel_b) // synopsys parallel_case infer_mux`
`else	`else
`casex (sel_b) // synopsys parallel_case`	`casez (sel_b) // synopsys parallel_case`
`endif	`endif
`OR1200_SEL_IMM:	`OR1200_SEL_IMM:
`muxed_b = simm;`	`muxed_b = simm;`
`OR1200_SEL_EX_FORW:	`OR1200_SEL_EX_FORW:
`muxed_b = ex_forw;`	`muxed_b = ex_forw;`