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Merge pull request #222 from kjprime/main

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Remove unnecessary check from compressed instruction decode
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David Harris 2023-04-09 04:56:21 -07:00 committed by GitHub
commit 11cadb3f8f
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src/ifu/decompress.sv
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@ -126,7 +126,7 @@ module decompress (
InstrD = {7'b0000000, rs2p, rds1p, 3'b110, rds1p, 7'b0110011}; // c.or
else // if (instr16[6:5] == 2'b11)
InstrD = {7'b0000000, rs2p, rds1p, 3'b111, rds1p, 7'b0110011}; // c.and
else if (instr16[12:10] == 3'b111 & `XLEN > 32)
else if (`XLEN > 32) //if (instr16[12:10] == 3'b111) full truth table no need to check [12:10]
if (instr16[6:5] == 2'b00)
InstrD = {7'b0100000, rs2p, rds1p, 3'b000, rds1p, 7'b0111011}; // c.subw
else if (instr16[6:5] == 2'b01)