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# CAOS Exercise Session Lecture 5

## Practice Problem 3.32 p. 280-281

| Name | PC | Instruc. | %rdi | %rsi | %rax | %rsp | \*%rsp | Description |
| ---- | -------- | -------- | ---- | ---- | ---- | -------------- | ------ | ------------------- |
| M1 | 0x400560 | callq | 10 | - | - | 0x7fffffffe820 | - | Call first(10) |
| F1 | 0x400548 | lea | 10 | 11 | - | 0x7fffffffe828 | - | %rsi = 1+%rdi |
| F2 | 0x40054c | sub | 9 | 11 | - | 0x7fffffffe828 | - | %rdi = %rdi-1 |
| F3 | 0x400550 | callq | 9 | 11 | - | 0x7fffffffe830 | - | Call last(9, 11) |
| L1 | 0x400540 | mov | 9 | 11 | 9 | 0x7fffffffe830 | - | %rax = %rdi |
| L2 | 0x400543 | imul | 9 | 11 | 99 | 0x7fffffffe830 | - | %rax = %rsi \* %rax |
| L3 | 0x400547 | retq | 9 | 11 | 99 | 0x7fffffffe828 | - | Return to first |
| F4 | 0x400555 | retq | 9 | 11 | 99 | 0x7fffffffe820 | - | |
| M2 | 0x400565 | mov | 9 | 11 | 99 | 0x7fffffffe820 | - | |