Eligibility:

• Mips beq label. The exact answer will depend on which microcontroller you are using. We see that it is going backwards, so we must make sure our answer is negative. Thus, I can't compute the offset for this case. For more MIPS instructions, refer to the Assembly Programming section on the class Resources page. beqz Rsrc, label Branch on Equal Zero y Our expert help has broken down your problem into an easy-to-learn solution you can count on. Labels are there in assembly code, and they are used to inform the assembler what offsets to chose in the machine code instruction for assembly instructions that reference them (the labels). MIPS has 32 32-bit “general purpose” registers ($0, $1, $2, , $31), but some of these have special uses (see MIPS Register Conventions table). The instruction's equivalent in binary is: (Opcode) 10/7/2012 GC03 Mips Code Examples Conditional Branch Instructions – using labels calculating offsets is difficult – use a label instead! Branch Equal beq rs, rt, Label: if rs == rt pc <- pc + (address of label – pc) Assembler Program calculates difference between address of instruction following Oct 12, 2021 · 汇编指令-跳转指令B BEQ BNE BCC. beq reg1, reg2, label # if reg1 == reg2, branch to label bne reg1, reg2, label # if reg1 != reg2, branch to label Stack use for Procedures If more information or parameters than will fit in these registers is needed to call or return from a procedure, the stack can be used to pass the extra Computer Science questions and answers. This encoding is also used for load, store, branch, and other instructions so the use of the • In addition to conditional branches, MIPS has an unconditional branch: b label • Called a Jump Instruction: jump (or branch) directly to the given label without needing to satisfy any condition • Same meaning as : goto label • Technically, it’s the same as: beq $0, $0, label since it always satisfies the condition. See full list on en. What I don't understand, however, are the label addresses. multiple beq and/or bne instructions; a chain of branches. 1000 1010 0000 0000 0000 0101 0100 0000 2 Answers. Now we can divide by 4 to find the TA by Oct 18, 2023 · For the beq instruction the branch target address is that of cont (0x400010) looking at a MIPS instruction reference we see that it is encoded as a 16-bit signed immediate relative to the next instruction (divided by 4 as all instructions must reside on a 4-byte aligned address anyway). Problems in this exercise refer to the following fragment ofMIPS code:sw r16, 12 (r6)lw r16, 8 (r6)beq r5, r4, Label # Assume r5 != r4add r5, r1, r4slt r5, r15 361 Lec4. Unconstrained use of addresses can lead to nasty bugs; up to you in C; limited in Mar 27, 2013 · 2. f 00 0000 0 0 NUL 64 40 @ sub. 19. space 40 Looking at the machine code for the jump instructions, this is what I see: 1st jump (just jumps to next instruction) 0x08000002. In assembly, the target is just a label of your source code. Consider the following MIPS code. I have a mips file that calculates some stuff ( mmm. wikibooks. On branch, new PC = PC + immediate field in branch instruction. また、最後に Jul 3, 2020 · Later MIPS added interlocks so software could avoid filling with NOP, saving I-cache footprint for cases where the compiler couldn't find anything to fill load delay slots. — op is an operation code or opcode that selects a specific operation. asm) with beq and then call the label of the calculation in mmm. Apr 30, 2017 · PCold is 0016 and Label is -4 , so PCnew equals 0000 and goes back to Label: In instruction j Label the Imm26 (26bits), has the address of Label divided by 4 so technically 0000. 860 6 19. It should be found somewhere in the assembly code marking a line next:. Here is the data path Only beq and bne branch instructions. For branch instructions, the constant field is not an address, but an offset. Instruction 1 is the following instruction after beq, so start counting from there till NEXT. Traffic sensors: TA, TB (TRUE when there’s traffic) Lights: LA, LB (red, yellow or green) Every 5 seconds the lights may change, based on the traffic sensor. For example, load all 3 bytes and xori them with 'a', 'b', and 'c' respectively. The statement at LABEL1 and also at LABEL2 will execute regardless. asm. There are 4 instructions from instruction 1 and NEXT, so the format for beq is now: What about MIPS? [beq, bne, j, slt] Branch if equal (beq), Branch if not equal (bne):Syntax for beq and bne: . The mips architecture takes advantage of that by encoding a branch offset as a word offset (i. f 00 0011 3 3 ETX 67 43 C beq sllv sqrt. So from what I understand, in the first bit of code, loopend is after eight instructions, so its address is 4*8=32=0x00000020. 在汇编语句中没有子程序返回，我们通过压栈指针的地址，再通过弹栈把这个地址弹到PC中来实现子程序返回跳转的。. OR R2,R2,R3. • The design will include support for execution of only: – memory-reference instructions: lw & sw, – arithmetic-logical instructions: add, sub, and, or, slt & nor, – control flow instructions: beq & j, – exception handling: illegal instruction & overflow. Depending on the value of imm it will be converted by the assembler into 1-3 actual instructions. the byte offset is shifted right by 2). Cette instruction permet d'effectuer un branchement si les 2 registres sont égales. •The immedfield is zero-extended if it is a logical operation We will describe the implementation a simple MIPS-based instruction set supporting just the following operations. We can flush an instruction from the IF stage by replacing it in the IF/ID pipeline register with a harmless nop instruction. 15 Compiling 1 pseudo instruction Philipp Koehn Computer Systems Fundamentals: MIPS Pseudo Instructions and Functions 2 October 2019 Apr 16, 2023 · Computer Architecture:I explain how three instructions LW, ADD and BEQ are executed in the MIPS single Cycle Question: For instruction: beq $t0,$t1, Label The instruction is at address 8 and Label's address is 32. so you can create set_bigger_than. — rs and rt are the first and second source registers. rO·label2 # not taken once, then taken beq r3. beq reg1, reg2, label # if reg1 == reg2, branch to label bne reg1, reg2, label # if reg1 != reg2, branch to label Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on. The beq command is at address 1004, but by the time the command is being executed the PC has already been incremented to 1008. just remember that x < y means y > x. A brief summary of branches and jumps in the native MIPS instruction set is given below. But all addresses (and thereby all offsets) are separatable by 4, meaning they all end in 00 in binary Implementing flushes. It's really helping me out with the idea of computer architecture. danny bee. Oct 18, 2015 · beq rs, rt, label is an actual MIPS32 instruction (well, in the instruction word, the address of label would be encoded as a PC-relative offset, but let's ignore that detail). In this exercise, we assume that the following MIPS code is executed on a pipelined processor with a 5-stage pipeline, full forwarding, and a predict-taken branch predictor: lw r2, theta (rl) label: beq r2, r theta, label2 # not taken once, then taken lw r3, theta (p2) beq r3, r theta, label # taken add r1, r3, r1 label2: sw rl, theta (r2) Draw Mar 6, 2024 · Branching is essential for implementing conditional statements and loops, which are common structures in high-level languages. In this case, I prefer to do PC - TA and then find the 2s complement. addu). 5th jump (skips 3 instructions backwards) 0x08000008. Suppose the opcode of an MIPS instruction is 13 in decimal, and the rest of the machine code is 1D9029 in hexadecimal (from high-order bit to low-order bit). の6つについて説明していきたいと思います。. beq rs, imm, label is a pseudo-instruction. Put the absolute value of the integer from register Rsrc in register Rdest. Phần này trình bày cấu trúc của các lệnh hợp ngữ khi được dịch sang ngôn ngữ máy. but the question is to find the fully address by all parameters we have. Also, if each label does not produce a jump to some ending label (EXIT) the program would continue executing the remaining labels. Branch instructions in MIPS. Syntax (cú pháp): Lệnh beq có 2 cách viết cho vị trí ‘label’, ‘label’ có thể là một nhãn được viết bằng chữ, hoặc có thể là số. What about MIPS? [beq, bne, j, slt] Branch if equal (beq), Branch if not equal (bne):Syntax for beq and bne: . Branch instructions in MIPS have a 16-bit offset value which is sign-extended to provide offsets between -32768 and 32767 words (-131072 and 131068 bytes). r3. •The rsfield is the source register. More info on the sytax of these instructions is in Appendix B of your textbook. 2nd jump (skips 1 instruction) 0x08000004. See Answer See Answer See Answer done loading Q6: Assume that the MIPS instruction beq $ t 0, $ s 0, Label is located at address 0 × 01000040, and that the 16 -bit immediate field has the value 0000000010000100 What is the 32-bit effective target address value of Label? Express your answer in Hexadecimal. The use of these instructions should be straightforward. This is due to the fact that every instruction occupies 4 bytes, and each instruction must be word-aligned, so the encoding of the instruction does not store the two less significant Aug 1, 2023 · To && multiple conditions together, you need either. Jan 5, 2020 · うさぎでもわかる計算機システム Part22 MIPSアーキテクチャ・命令一覧 後編. In MIPS, there are two main types of branching instructions: `beq` and `bne`. asm ). Branches and Translating the if statement. •The rtfield is either the source or destination register, depending on the instruction. But all addresses (and therefore all offsets) are divisible by 4, meaning they all end in 00 in binary, so Apr 14, 2021 · label: # some code another_label: # some more code after # some code executes, control just continues on to # some more code . 5 bits func. word 3 # create a single integer variable with initial value 3 array1: . Correct, but this point is already made in my edit of another answer, in the first comment of the code block about transforming the condition into a < less-than which MIPS has an instruction for. There's no label on it, so it's not a branch target you jump to from elsewhere. So, we calculate the offset from the PC to the desired label (which is at address 1028) as (1028 - 1008) = 20. Today we’ll build a single-cycle implementation of this instruction set. addi $t1, $t0, $0. In all examples, $1, $2, $3 represent registers. I even set the label globl. . Aug 21, 2020 · This will also produce an immediate value of 0 in the machine code for the beq. Assume the processor is the same as the one shown in Figure 4. This is a ** partial list** of the available MIPS32 instructions, system calls, and assembler directives. f 00 0001 1 1 SOH 65 41 A j srl mul. Both conditional branches are essentially nops since if either branch succeeds it branches to the following instruction and if it fails it falls through to the following Instruction Encodings Register 000000ss sssttttt dddddaaa aaffffff Immediate ooooooss sssttttt iiiiiiii iiiiiiii Jump ooooooii iiiiiiii iiiiiiii iiiiiiii We assume that the following MIPS code is executed on a pipelined processor with a 5-stage pipeline, full forwarding, and a predict-taken branch predictor. If the immediate for a taken beq is -1, then it branches to itself, which will cause an infinite loop. 6>. We can find the 2s complement by doing. You probably want to jump unconditionally to your end of main code: Apr 9, 2013 · 2. f 00 0100 4 4 EOT 68 44 D bne abs. If you are a purist then you can use the real instruction beq $0,$0,label or pick any register beq $4,$4,label. e. TAL (True Assembly Language) describes exactly what’s going on. 3rd jump (skips 2 instructions) 0x08000007. Problem 1d - [8 points] Assume that the MIPS instruction j Label is located at address 0x8000 0000 , and Label is located at 0x8A00 0540. What will be the value of register $4 when we reach the end label? Explain your reply. In this formula, the PC on the right hand side of the = refers to the current instruction: the for I-format instructions. If you tell me the size of the beq instruction, I'll make an edit to that answer and add that. But the source register rs of beq which is $1 in this case will be updated after writeback stage of lw instruction. both branches and jumps use these. Jump will not, have to re-link if you move around, for near jumps probably better to use branch instead of jump even though it is an alias. This offset is added to the Next PC value rather than the PC of the branch itself. No native instructions for branch-on-less than (blt), branch-on-greater-or-equal (bge), etc. Compiler output, for example, will have both the branch instruction and target location all Apr 14, 2022 · beq $11, $0, 3 I understand that the code now makes a PC-RELATIVE branch for the address: PC+4+3*4 But I don't understand how it comes to happen on this code right here - what is the branch target address? (MARS is simulating a simplified MIPS without branch-delay slots, so that's the next instruction to be executed. [10] Given an MIPS instruction: Label: beq $s0, $s1, Label. – Oct 6, 2019 · The expression PC = PC + 4 + branch address is somewhat of a misnomer — it should say PC = PC + 4 + offset where offset is the immediate in the I-Type instruction, more specifically the signed (sign extended from 16-bits to 32-bits) immediate * 4. Jun 11, 2012 · Using the alias b for branch instead of j for jump will create position independent code. 0. Combining comparison with branch involves more work per instruction. Sep 5, 2021 · Thus, labels alone cannot change the flow of control, only processor instructions can do that. Why? The main reason is •! MIPS instructions are coded on 32-bits •! MIPS addresses/values are coded on 32- bits •! There is no way to fit an arbitrary 32-bit The beq command is at address 1004, although by the time to command is being performed the PC has already been incremented to 1008. We must flush one instruction (in its IF stage) if the previous instruction is BEQ and its two source registers are equal. asked Feb 4, 2014 at 17:01. SW R2,0(R5) The MIPS processor only supports two branch instructions, beq and bne, but to simplify your life the assembler provides the following other branches: The label is at line 20, so the branch offset would be 15. You should check for validity of register names and the size of immediate operands in the context of the instruction. What is the instruction? Answer to Solved 1. This will preclude using beq label where label is external (global and in another object file), but this is only really possible to do in assembly. MIPS has a “Load/Store” architecture since all instructions (other than the load and store instructions) must use register operands. Nothing in this code has anything that "returns". three. Nov 12, 2016 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand May 16, 2018 · The target address is found by TA = PC + 4(offset) So the offset = (TA - PC)/4. Here’s the best way to solve it. In the second bit of code, loopend is after two instructions, so its address is 4*2, or 0x00000008. beq $t0, $t1, EQ. computer organization mips code question. Hardware for <, >, ≤, ≥, is slower than hardware for =, ≠. Problems in this exercise refer to the following fragment of MIPS code SW R16,12(R6) LW R16,8(R6) BEQ R5,R4,Label #Assume R4=!4 ADD R5,R1,R4 SLT R5,R15,R4 Pipeline latencies: IF ID EX MEM WB 200 120 MAL (Mips Assembly Language) is a convenient, high-level, abstraction of what actually goes on in the MIPS computer. space, gives number of spaces to be allocated. Branch-delay slots are architecturally visible and couldn't be removed without breaking machine-code compat, so that took much longer to get rid of ( MIPS32r6 / MIPS64r6 This encoding is used for instructions which require a 16-bit immediate operand. Yes. BEQ : Cette instruction permet d'effectuer un branchement si les 2 registres sont égales. 1 [10]4. byte 'a','b' # create a 2-element character array with elements initialized # to a and b array2: . If you want to perform an explicit else statement, consider the following example: that includes MIPS processor and memory. f 00 0010 2 2 STX 66 42 B jal sra div. 1w r2,0 (r1) label 1: beq r2. a label in the program) in the user’s program • a 16 bit offset for a branch in the binary code. The next branch instruction,”beq $8, $0, Odd” is at line 12, and the label Odd is at line 18. So far i know that beq equals 4(hex) and the binary values of the registers. com About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The sample BEQ instruction demonstrated in the datapath above is BEQ $9, $11, . f 00 0101 5 5 ENQ 69 45 E beq $1,$2,Label; Note that the check whether the branch will occur or not will be done in decoding stage. EQ: add $v1, $v0, $v0. The label can be a label either forward or backward in the current module. 22: [5] <COD §4. In this table label and jlabel mean: • a symbolic name (i. sne, set not equal, 实际上可用 xor 来实现 The instructions are: add, addi, beq, j, and the definition and use of labels. Obtain address using PC-relative addressing. 後編では、. If the immediate is -2, then it branches backwards by 1 instruction; if the immediate is 0, it simply goes on to the next instruction; if the immediate is 1, the module list. addi $4,$0,0addi $5,$0,0×7addi $6,$0,0×41lp: slt $7,$0,$6beq $0,$7, endadd $4,$4 11. If I execute it everything works fine and I get the expected output. r1 label2: sw r1,0 (r2) 4. (Producing 0 for a match). from the current program counter (PC) to the target address. Slicktopher. com - Manuel pour le langage de programmation Assembleur MIPS. When assembled, j jumps unconditionally to the effective address encoded by the instruction * 4. Furthermore, in most processor architectures, relative offsets will be restricted for most instructions. Có thể xem mỗi lệnh như một hàm trong ngôn ngữ lập trình. May 19, 2014 · The easiest way to figure out the immediate field of a branch is to count the number of instructions between the branch instruction and its target. There are basically two native branch statements in MIPS: beq rs,rt,label bne rs,rt,label. こんにちは、ももやまです。. What is the value of the 26-bit address field? Express your answer in BINARY. The beq instruction is an I type instruction with an op-code of 0x4, so the machine code translation of this instruction 0x1100000f. bczf label Branch Coprocessor z False Conditionally branch to the instruction at the label if coprocessor z's condition flag is true (false). 0x00401200 is your target address. Apr 19, 2022 · In this case, there will be a structural hazard every time a program needs. Consider the fragment of MIPS assembly below: sw $s5, 12($s3) lw $s5, 8($s3) sub $s4, $s2, $s1 bez $s4, label add $s2, $s0, $s1 sub $s2, $s6, $s1 Suppose we modify Question: l. Sep 23, 2017 · Since I don't know MIPS, I don't know what the byte size of the beq instruction is. While traffic is present on a road with a green light, lights do not change. 16位指令占用的地址空间是2个字节，当前指令用. In this case PC←label stands for PC-relative addressing Các cấu trúc lệnh của MIPS. 10: lw $51, | Chegg. 80000 Loop: mult $9, $19, $10 80004 80008 80012. After jump instruction : Aug 25, 2016 · As Michael said, the offset is the number of words from the instruction following the branch instruction. ) What about MIPS? [beq, bne, j, slt] Branch if equal (beq), Branch if not equal (bne):Syntax for beq and bne: . r0,label1 # taken add r1. Since the branch target EQ is. — rd is the destination register. beq reg1, reg2, label # if reg1 == reg2, branch to label bne reg1, reg2, label # if reg1 != reg2, branch to label Question: In this exercise, we examine how resource hazards, control hazards, and Instruction Set Architecture (ISA) design can affect pipelined execution. •The opfield is used to identify the type of instruction. or create a value in one register that represents the logical and of multiple conditions before branching. 1) The following MIPS Assembly code is given. edited Jan 12, 2021 at 18:37. Jan 1, 2013 · I am also reading this textbook recently. In general, if there are no operands, BEQ would be expected to branch if the Accumulator is 0. Ví dụ 1: ‘label’ viết bằng chữ: We would like to show you a description here but the site won’t allow us. Unconditional Branch j LABEL Always Branch to Jan 12, 2021 · mips. Suppose we modify the pipeline so that it has only one memory (that handles both instructions and data). org/content_lists/computers_instructions_branch_The_BEQ_instruction?course=computer_instructions_20 value (s) usually gives initial value (s); for storage type . 6 bits. If none of the branch on equals causes the PC to jump to a label, then the program will execute the code in the ADDTN label. <br> <br> Consider that two instructions are comparing two register. Consider the instruction sequence: Label1: LW R2,0(R2) BEQ R2,R0,Label ; Taken once, then not taken. <br> <br> I have a hypothesis, that the difference of efficiency is from direct comparison of machine code of bne and beq. At hardware level, additional levels of hardware logic result in slower hardware. 今回は前回に引き続きMIPSアーキテクチャの命令について紹介していきます。. — func is used together with op to select an arithmetic instruction. 4. So, we calculate the offset von who PC to the desired label (which the at address 1028) the (1028 - 1008) = 20. But if you're on real MIPS with branch-delay slots (the instruction after a branch executes even if the branch is taken), then b in the branch-delay slot of a beq leads to unpredictable behaviour. Gladir. My guess is that this linker does not handle branch instructions ( bne or beq) to external labels. Nov 18, 2017 · The Exactely question is: Based on the command in row 9 and the rest of the columns in this row, what is the full address of the label next? MIPS code: Answers: next is a label. add $t0, $t0, $t1. I have two issues here. Since all instructions and data are stored in memory, everything has a memory address: instructions, data words. — shamt is only used for shift instructions. For class, you should use the register names, not the corresponding mips 的 assembler 提供了许多伪指令, 例如: 支持的指令数有限的情况下 (6 bit op 和 6 bit funct), 使用已有的指令完成新的功能, 方便使用. Jun 4, 2016 · Since mips instructions must be aligned to a word [four byte boundary], the rightmost two bits of an instruction address will be [must always be] zero. My problem/question is that I want to call the calculation from within another mips file ( mme. In this case, the else label is 4 instructions after the beq, however, the PC is incremented by 4 during the instruction fetch stage, so the actual immediate field will actually be 3. Lệnh beq lệnh này thuộc nhóm lệnh I-format, có opcode 4hex. In our limited MIPS instruction set, these are lw, sw, and beq. — For our single-cycle implementation, we use two separate memories, an ALU, some extra adders, and lots of multiplexers. Pseudo-direct addressing is used. Correct me if I am wrong: the label address depends on where Jul 8, 2018 · (Default for MARS/SPIM). This extends the range of a branch instruction 16 bit Nov 10, 2015 · It's also given that the command address is 0x1500, and the label address is 0x1000. 4th jump (skips 3 instructions) 0x0800000B. 137 2 11. 24 in the textbook. org In the instructions below, Src2 can either be a reg-ister or an immediate value (integer). Question: Question 3:3. Actually, new PC = (PC+4) + immediate field in branch instruction. — All instructions will execute in the same amount of time; this will determine the clock cycle time for our performance equations. These instructions typically receive one operand in a register, another as an immediate value coded into the instruction itself, and place their results in a register. Immediate field is 16 bits but we need an address that is 32 bits. In this question we examine how resource hazards, control hazards, and Instruction Set Architecture (ISA) design can affect pipelined execution. beq Rsrc1, Src2, label Branch on Equal Conditionally branch to the instruction at the label if the contents of register Rsrc1 equals Src2. In this case, there will be a structural hazard every time a program needs to fetch an instruction during the same cycle in which another Need to invent a controller for a traffic light at a busy intersection on a university campus. Many of these instructions have an unsigned version, obtained by ap-pending u to the opcode (e. g. MIPS Branch Instructions beq, bne, bgtz, bltz, bgez, blez are the only conditional branch opcodes Use slt (set on less then) for >, <, ≥, ≤ comparisons between two registers slt rd, rs, rt # if rs < rt, rd = 1; else rt = 0 An example: • branch if the first register operand is less than the second Addressing in branches. MIPS Instruction Set. These instructions compare two registers and branch to a label if they are equal or not equal, respectively. A datapath contains all the functional units and connections necessary to implement an instruction set architecture. Mar 6, 2022 · 2. C pointers are just memory addresses: they can point to anything in memory. Mỗi lệnh trong MIPS đều có độ dài là 32 bit. B指令：B为无条件跳转，一般在函数内部跳转。. So do we need to forward new data from Memory in memory stage to Decoding stage of beq instruction. 14. Put the sum of the integers from register Rsrc1 and Src2 (or Imm) into MIPS Assembly (Part 1): Address: Assembly instructions: 0x00400000 or $2,$0,$0 0x00400004 slt $8,$0,$5 0x00400008 beq $8,$0,3 0x0040000c add $2,$2,$4 0x00400010 addi $5,$5,-1 0x00400014 j 0x100001 Better solution: translate to more meaningful MIPS instructions (fix the branch/jump and add labels, registers) Jul 26, 2023 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright bne $t0, $t1, label # if t0 != t1, jump to “label”. 5 General Purpose Registers Dominate °1975-2002 all machines use general purpose registers °Advantages of registers •Registers are faster than memory •Registers compiler technology has evolved to efficiently generate MIPS opcode (31:26) (1) MIPS funct (5:0) (2) MIPS (5:0) Binary Deci-mal Hexa-deci-mal ASCII Char-acter Deci-mal Hexa-mal ASCII acter (1) sll add. Note: labels always followed by colon ( : ) example var1: . — MIPS uses sll $0, $0, 0 as the nop instruction. 来表示，所以用 Summary of Single-Cycle Implementation. Consequence #1: Everything Addressed. I know that at first I need to convert to binary and then to Hex, but i can't understand what to do with the label address. Why the NPC is used rather than the PC of the branch is not obvious (to me). If you want to perform an explicit else statement, consider the following example: Jul 12, 2023 · Learn more about the BEQ instruction at https://logicwalk. This is most likely on simple micros where the Accumulator is the primary register for calculations. Enter the last four bits of the 16-bit immediate field If none of the branch on equals causes the PC to jump to a label, then the program will execute the code in the ADDTN label. — MIPS is a 32-bit machine, so most of the buses are 32-bits wide. 8>Draw the pipeline execution diagram for this code, assuming there are no delay slots and that branches execute in the EX stage pipelining. dd uk uy bk uv if hq ny zr iu