Pros and cons of MIPS relative to instruction set choices

[EvLer]

could someone help me with this, my ideas are sort of :yuck: not precise

give pros and cons of MIPS relative to these instruction set choices:
1. supporting indexed addressing mode
2. supporting only word-sized access to memory

1. --- dunno, sure if it all were immediate, it would be a mess but other than that, not sure
2. well, all instructions and registers are 32-bits but i think it's all interconnected... i.e. the adressibility and register/instruction size...
anyway... neeeeed some insight

 

[NoTime]

Generally, MIPS are not comparable between different architectures.
Both 1 and 2 normally reference physical memory. These types of instruction were avoided because memory performance is a big factor.

Perhaps this will help
http://en.wikipedia.org/wiki/Million_instructions_per_second

 

[ravenprp]

Pros of MIPS relative to instruction set choices:

1. Efficient use of memory: MIPS supports indexed addressing mode, which allows for efficient use of memory by allowing direct access to specific memory locations. This reduces the need for multiple instructions to access different memory locations, making the program run faster.

2. Simplified programming: The use of indexed addressing mode in MIPS also simplifies programming, as it eliminates the need for manual calculations to access specific memory locations. This makes it easier for programmers to write and debug code.

3. Good for array operations: The indexed addressing mode in MIPS is particularly useful for array operations, as it allows for easy iteration through elements in an array without the need for complex calculations.

4. Reduced instruction set: MIPS is a Reduced Instruction Set Computer (RISC), which means it has a smaller set of instructions compared to Complex Instruction Set Computers (CISC). This results in simpler and more efficient instruction execution, leading to faster program execution.

5. Better for embedded systems: MIPS is often used in embedded systems due to its smaller instruction set and efficient use of memory. This makes it a popular choice for devices with limited resources, such as routers, modems, and gaming consoles.

Cons of MIPS relative to instruction set choices:

1. Limited memory access: One of the drawbacks of MIPS is that it only supports word-sized access to memory. This means that it can only access memory in 32-bit chunks, which may not be sufficient for some applications that require larger data sizes.

2. Limited instruction set: While the reduced instruction set of MIPS can be beneficial in some cases, it can also be a limitation for more complex applications that require a wider range of instructions. This may result in longer programs and slower execution times.

3. Difficulty in handling complex data types: Due to its limited instruction set, MIPS may have difficulty handling complex data types such as floating-point numbers, as it requires multiple instructions to perform operations on them.

4. Steep learning curve: The use of indexed addressing mode and the reduced instruction set of MIPS may require a steeper learning curve for programmers who are used to other instruction sets. This may make it less accessible for beginners.

5. Not suitable for all applications: While MIPS is a good choice for embedded systems and certain types of applications, it may not be the best option for all types of computing tasks. Other instruction sets may be better suited for specific applications, and it ultimately depends on the needs and requirements of the project.