41 lines
793 B
Plaintext
41 lines
793 B
Plaintext
# Execution begins at address 0
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.pos 0
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irmovq stack, %rsp # Set up stack pointer
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call main # Execute main program
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halt # Terminate program
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# Array of 4 elements
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.pos 0x18
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array:
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.quad 0xd000d000d000d
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.quad 0xc000c000c000c0
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.quad 0xb000b000b000b
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.quad 0xa000a000a000a
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main:
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irmovq array, %rdi
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irmovq $4, %rsi
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call sum
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ret
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# long sum(long *start, long count)
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# start in %rdi, count in %rsi
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sum:
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irmovq $8,%r8
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irmovq $1,%r9
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xorq %rax,%rax
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andq %rsi,%rsi
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jmp test
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loop:
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mrmovq (%rdi),%r10
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addq %r10,%rax
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addq %r8,%rdi # start++
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subq %r9,%rsi # count--
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# Set CC
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test:
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jne loop # Stop when 0
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ret # Return
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.pos 0x200
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stack:
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