| # Execution begins at address 0 0x000: | .pos 0 0x000: 30f40002000000000000 | irmovq stack, %rsp # Set up stack pointer 0x00a: 803800000000000000 | call main # Execute main program 0x013: 00 | halt # Terminate program | | # Array of 4 elements 0x018: | .align 8 0x018: 0d000d000d000000 | array: .quad 0x000d000d000d 0x020: c000c000c0000000 | .quad 0x00c000c000c0 0x028: 000b000b000b0000 | .quad 0x0b000b000b00 0x030: 00a000a000a00000 | .quad 0xa000a000a000 | 0x038: 30f71800000000000000 | main: irmovq array,%rdi 0x042: 30f60400000000000000 | irmovq $4,%rsi 0x04c: 805600000000000000 | call rsum # rsum(array, 4) 0x055: 90 | ret | | /* $begin rsum-ys */ | # long rsum(long *start, long count) | # start in %rdi, count in %rsi 0x056: | rsum: 0x056: 6300 | xorq %rax,%rax # Set return value to 0 0x058: 6266 | andq %rsi,%rsi # Set condition codes 0x05a: 739400000000000000 | je return # If count == 0, return 0 0x063: a03f | pushq %rbx # Save callee-saved register 0x065: 50370000000000000000 | mrmovq (%rdi),%rbx # Get *start 0x06f: 30faffffffffffffffff | irmovq $-1,%r10 0x079: 60a6 | addq %r10,%rsi # count-- 0x07b: 30fa0800000000000000 | irmovq $8,%r10 0x085: 60a7 | addq %r10,%rdi # start++ 0x087: 805600000000000000 | call rsum 0x090: 6030 | addq %rbx,%rax # Add *start to sum 0x092: b03f | popq %rbx # Restore callee-saved register 0x094: | return: 0x094: 90 | ret | /* $end rsum-ys */ | | # The stack starts here and grows to lower addresses 0x200: | .pos 0x200 0x200: | stack: |