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bctrl bug fix

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- bctrl decodes shift immediate instructions properly
This commit is contained in:
Kevin Kim 2023-02-17 11:16:29 -08:00
parent bb79b57cc1
commit 0bab3bec3d
1 changed files with 1 additions and 1 deletions
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src/ieu/bmu/bmuctrl.sv
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@ -72,7 +72,7 @@ module bmuctrl(
17'b0110011_010010?_101: BMUControlsD = `BMUCTRLW'b101_0001; // bext 17'b0110011_010010?_101: BMUControlsD = `BMUCTRLW'b101_0001; // bext
17'b0110011_011010?_001: BMUControlsD = `BMUCTRLW'b100_0001; // binv 17'b0110011_011010?_001: BMUControlsD = `BMUCTRLW'b100_0001; // binv
17'b0110011_001010?_001: BMUControlsD = `BMUCTRLW'b110_0001; // bset 17'b0110011_001010?_001: BMUControlsD = `BMUCTRLW'b110_0001; // bset
17'b0110011_0?00000_?01: BMUControlsD = `BMUCTRLW'b001_0001; // sra, srl, sll 17'b0?1?011_0?0000?_?01: BMUControlsD = `BMUCTRLW'b001_0000; // sra, srai, srl, srli, sll, slli
17'b0110011_0000101_???: BMUControlsD = `BMUCTRLW'b001_0010; // ZBC instruction 17'b0110011_0000101_???: BMUControlsD = `BMUCTRLW'b001_0010; // ZBC instruction
default: BMUControlsD = {Funct3D, {4'b0}}; // not B instruction or shift default: BMUControlsD = {Funct3D, {4'b0}}; // not B instruction or shift
endcase endcase