l20 - Executing Multiple Instructions IF EX RD WB MEM IR3 1...

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Unformatted text preview: Executing Multiple Instructions IF EX RD WB MEM IR3 1 1 IR2 IR4 IR1 register file CLK alu 0x1234 CLK PC CLK Executing Multiple Instructions WB MEM IF EX RD IR2 IR3 1 IR1 1 IR4 alu CLK PC CLK register file CLK 0x1234 0x1234 lw $1, 4($3) Executing Multiple Instructions EX RD MEM IF WB IR4 1 1 IR3 IR2 IR1 lw $1, 4($3) CLK register file 0x1238 lw $1, 4($3) CLK alu 0x1234 CLK PC Executing Multiple Instructions EX RD MEM IF WB IR4 1 1 IR3 IR2 IR1 add $2,$3,$4 register file 0x1238 lw $1, 4($3) CLK alu 0x1238 CLK PC CLK Executing Multiple Instructions MEM EX RD IF WB IR1 1 1 IR3 IR2 IR4 file 0x123c add $2,$3,$4 add $2,$3,$4 CLK CLK 0x1238 lw $1, 4($3) alu CLK PC register Executing Multiple Instructions MEM IF EX WB RD IR4 IR1 1 IR3 1 IR2 CLK PC CLK alu register file CLK lw $1, 4($3) 0x123c 0x123c or $3,$1,$2 add $2,$3,$4 Data Hazards IF RD EX WB MEM 1 IR1 IR3 IR4 1 IR2 data-dependencies! CLK PC CLK alu register file CLK 0x123c or $3,$1,$2 lw $1, 4($3) add $2,$3,$4 or $3,$1,$2 0x1240 Data Hazards...
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This note was uploaded on 06/25/2008 for the course ECE 3140 taught by Professor Mckee/long during the Spring '07 term at Cornell University (Engineering School).

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l20 - Executing Multiple Instructions IF EX RD WB MEM IR3 1...

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