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[/] [next186/] [trunk/] [Next186_ALU.v] - Diff between revs 16 and 17
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| Rev 16 |
Rev 17 |
| Line 214... |
Line 214... |
FOUT[0] = LONIBBLE;
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FOUT[0] = LONIBBLE;
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FOUT[4] = LONIBBLE;
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FOUT[4] = LONIBBLE;
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end
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end
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5'b10000, 5'b10001 : begin // MUL, IMUL
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5'b10000, 5'b10001 : begin // MUL, IMUL
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ALUOUT = STAGE[1] ? MUL[31:16] : MUL[15:0];
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ALUOUT = STAGE[1] ? MUL[31:16] : MUL[15:0];
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FOUT[0] = WORD ? !zero | (ALUOP[0] & MUL[15]): |MUL[15:8] | (ALUOP[0] & MUL[7]); //07Jul2013 - fixed OV/CY flags for IMUL
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//07Jul2013 - fixed OV/CY flags for IMUL
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if(ALUOP[0]) FOUT[0] = WORD ? MUL[31:16] != {16{MUL[15]}} : MUL[15:8] != {8{MUL[7]}}; // IMUL
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else FOUT[0] = WORD ? !zero : |MUL[15:8]; // MUL
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FOUT[11] = FOUT[0];
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FOUT[11] = FOUT[0];
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end
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end
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5'b11001: begin // flag op
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5'b11001: begin // flag op
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FOUT[11:8] = FIN[11:8];
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FOUT[11:8] = FIN[11:8];
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FOUT[7] = FIN[7];
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FOUT[7] = FIN[7];
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