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Fixed compressed branch class decode.

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This commit is contained in:
Ross Thompson 2023-01-26 11:07:47 -06:00
parent 2ee6ffe74b
commit 3652673487
1 changed files with 2 additions and 2 deletions
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4
pipelined/src/ifu/brpred/bpred.sv
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@ -28,7 +28,7 @@
`include "wally-config.vh" `include "wally-config.vh"
`define INSTR_CLASS_PRED 0 `define INSTR_CLASS_PRED 1
module bpred ( module bpred (
input logic clk, reset, input logic clk, reset,
@ -178,7 +178,7 @@ module bpred (
(`C_SUPPORTED & (cjalr | cjr) & ((PostSpillInstrRawF[11:7] & 5'h1B) == 5'h01)); (`C_SUPPORTED & (cjalr | cjr) & ((PostSpillInstrRawF[11:7] & 5'h1B) == 5'h01));
assign InstrClassF[3] = ((PostSpillInstrRawF[6:0] & 7'h77) == 7'h67 & (PostSpillInstrRawF[11:07] & 5'h1B) == 5'h01) | // jal(r) must link to ra or x5 assign InstrClassF[3] = ((PostSpillInstrRawF[6:0] & 7'h77) == 7'h67 & (PostSpillInstrRawF[11:07] & 5'h1B) == 5'h01) | // jal(r) must link to ra or x5
(`C_SUPPORTED & (cjal | cjalr) & ((PostSpillInstrRawF[11:7] & 5'h1b) == 5'h01)); (`C_SUPPORTED & (cjal | (cjalr & (PostSpillInstrRawF[11:7] & 5'h1b) == 5'h01)));
assign PredInstrClassF = InstrClassF; assign PredInstrClassF = InstrClassF;
assign SelBPPredF = (PredInstrClassF[0] & DirPredictionF[1]) | assign SelBPPredF = (PredInstrClassF[0] & DirPredictionF[1]) |
PredInstrClassF[2] | PredInstrClassF[2] |