57 lines
973 B
ArmAsm
57 lines
973 B
ArmAsm
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.file "convert.c"
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.text
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.p2align 4,,15
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.globl utoa
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.type utoa, @function
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utoa:
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.LFB2:
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.cfi_startproc
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movl %edx, %r8d
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leal -2(%rdx), %edx
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movl %edi, %eax
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cmpl $34, %edx
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ja .L2
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testl %edi, %edi
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jne .L5
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leaq 1(%rsi), %rcx
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movb $48, (%rsi)
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.L4:
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movb $0, (%rcx)
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movq %rsi, %rdi
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movabsq $reverse, %rax
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jmp *%rax
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.p2align 4,,10
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.p2align 3
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.L5:
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movq %rsi, %rcx
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movabsq $digits, %r9
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.p2align 4,,10
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.p2align 3
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.L3:
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xorl %edx, %edx
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addq $1, %rcx
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divl %r8d
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movl %edx, %edx
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testl %eax, %eax
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movzbl (%r9,%rdx), %edx
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movb %dl, -1(%rcx)
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jne .L3
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jmp .L4
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.p2align 4,,10
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.p2align 3
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.L2:
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xorl %eax, %eax
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ret
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.cfi_endproc
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.LFE2:
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.size utoa, .-utoa
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.section .rodata
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.align 32
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.type digits, @object
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.size digits, 36
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digits:
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.byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x41,0x42,0x43
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.byte 0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50
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.byte 0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5a
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.ident "GCC: (GNU) 7.3.0"
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