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Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main

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This commit is contained in:
David Harris 2021-10-10 12:26:15 -07:00
commit 266c706804
2 changed files with 8 additions and 10 deletions
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12
wally-pipelined/src/fpu/fpu.sv
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@ -204,15 +204,15 @@ module fpu (
// - if not captured any forwarded inputs will change durring computation
// - this problem is caused by stalling the execute stage
// - the other units don't have this problem, only div/sqrt stalls the execute stage
flopenrc #(64) reg_input1 (.d({XSgnE, XExpE, XManE[51:0]}), .q(DivInput1E),
.en(1'b1), .clear(FDivSqrtDoneE),
floprc #(64) reg_input1 (.d({XSgnE, XExpE, XManE[51:0]}), .q(DivInput1E),
.clear(FDivSqrtDoneE),
.reset(reset), .clk(FDivBusyE));
flopenrc #(64) reg_input2 (.d({YSgnE, YExpE, YManE[51:0]}), .q(DivInput2E),
.en(1'b1), .clear(FDivSqrtDoneE),
floprc #(64) reg_input2 (.d({YSgnE, YExpE, YManE[51:0]}), .q(DivInput2E),
.clear(FDivSqrtDoneE),
.reset(reset), .clk(FDivBusyE));
flopenrc #(6) reg_input3 (.d({XNaNE, YNaNE, XInfE, YInfE, XZeroE, YZeroE}),
floprc #(6) reg_input3 (.d({XNaNE, YNaNE, XInfE, YInfE, XZeroE, YZeroE}),
.q({XNaNQ, YNaNQ, XInfQ, YInfQ, XZeroQ, YZeroQ}),
.en(1'b1), .clear(FDivSqrtDoneE),
.clear(FDivSqrtDoneE),
.reset(reset), .clk(FDivBusyE));
// fpdivsqrt using Goldschmidt's iteration

6
wally-pipelined/src/ifu/bpred.sv
View File

@ -192,17 +192,15 @@ module bpred
// The prediction and its results need to be passed through the pipeline
// *** for other predictors will will be different.
flopenrc #(2) BPPredRegD(.clk(clk),
flopenr #(2) BPPredRegD(.clk(clk),
.reset(reset),
.en(~StallD),
.clear(1'b0),
.d(BPPredF),
.q(BPPredD));
flopenrc #(2) BPPredRegE(.clk(clk),
flopenr #(2) BPPredRegE(.clk(clk),
.reset(reset),
.en(~StallE),
.clear(1'b0),
.d(BPPredD),
.q(BPPredE));