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minor update

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This commit is contained in:
Blaise Tine
2021-04-01 23:31:55 -07:00
parent 638614fd6d
commit a75accf6ed
1 changed files with 5 additions and 3 deletions
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8
hw/rtl/VX_decode.v
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@@ -242,10 +242,12 @@ module VX_decode #(
ex_type = `EX_LSU; ex_type = `EX_LSU;
op_type = `OP_BITS'({1'b1, func3}); op_type = `OP_BITS'({1'b1, func3});
imm = {{20{func7[6]}}, func7, rd}; imm = {{20{func7[6]}}, func7, rd};
used_regs[{1'b0, rs1}] = 1; used_regs[{1'b0, rs1}] = 1;
used_regs[{1'b0, rs2}] = 1;
`ifdef EXT_F_ENABLE `ifdef EXT_F_ENABLE
rs2_fp = (opcode == `INST_FS); rs2_fp = (opcode == `INST_FS);
used_regs[{(opcode == `INST_FS), rs2}] = 1;
`else
used_regs[{1'b0, rs2}] = 1;
`endif `endif
end end
`ifdef EXT_F_ENABLE `ifdef EXT_F_ENABLE
@@ -343,7 +345,7 @@ module VX_decode #(
end end
rs1_fp = 1; rs1_fp = 1;
used_regs[{1'b0, rd}] = 1; used_regs[{1'b0, rd}] = 1;
used_regs[{1'b0, rs1}] = 1; used_regs[{1'b1, rs1}] = 1;
end end
7'h78: begin 7'h78: begin
// FMV.W.X=6 // FMV.W.X=6