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example1_opt_struct.s
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example1_opt_struct.s
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.file "example1.c"
.text
.globl trace_cpu_time_now
.type trace_cpu_time_now, @function
trace_cpu_time_now:
.LFB2:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
#APP
# 9 "example1.c" 1
rdtsc
# 0 "" 2
#NO_APP
movl %eax, -8(%rbp)
movl %edx, -4(%rbp)
movl -8(%rbp), %eax
movl -4(%rbp), %edx
salq $32, %rdx
addq %rdx, %rax
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE2:
.size trace_cpu_time_now, .-trace_cpu_time_now
.comm input_IMG,921600,32
.comm output_IMG,307200,32
.comm opt_input_IMG,921600,32
.globl convert_RGB_2_black_and_white
.type convert_RGB_2_black_and_white, @function
convert_RGB_2_black_and_white:
.LFB3:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
movq %rdi, -88(%rbp)
movq %rsi, -96(%rbp)
movl $0, -64(%rbp)
movl $0, -60(%rbp)
movl $0, -56(%rbp)
movl $0, -52(%rbp)
movl $0, -48(%rbp)
movl $0, -44(%rbp)
movl $0, -40(%rbp)
movl $0, -36(%rbp)
movl $0, -32(%rbp)
movl $0, -28(%rbp)
movl $0, -24(%rbp)
movl $0, -20(%rbp)
movl $0, -16(%rbp)
movl $0, -12(%rbp)
movl $0, -8(%rbp)
movl $0, -4(%rbp)
movl $0, -68(%rbp)
jmp .L4
.L5:
movq -88(%rbp), %rdx
movl -68(%rbp), %eax
cltq
movzbl (%rdx,%rax), %eax
movzbl %al, %eax
imull $1224, %eax, %eax
movl %eax, -48(%rbp)
movl -68(%rbp), %eax
addl $1, %eax
movq -88(%rbp), %rdx
cltq
movzbl (%rdx,%rax), %eax
movzbl %al, %eax
imull $1224, %eax, %eax
movl %eax, -48(%rbp)
movl -68(%rbp), %eax
addl $2, %eax
movq -88(%rbp), %rdx
cltq
movzbl (%rdx,%rax), %eax
movzbl %al, %eax
imull $1224, %eax, %eax
movl %eax, -48(%rbp)
movl -68(%rbp), %eax
addl $3, %eax
movq -88(%rbp), %rdx
cltq
movzbl (%rdx,%rax), %eax
movzbl %al, %eax
imull $1224, %eax, %eax
movl %eax, -48(%rbp)
movq -88(%rbp), %rdx
movl -68(%rbp), %eax
cltq
movzbl 307200(%rdx,%rax), %eax
movzbl %al, %eax
imull $2404, %eax, %eax
movl %eax, -32(%rbp)
movl -68(%rbp), %eax
addl $1, %eax
movq -88(%rbp), %rdx
cltq
movzbl 307200(%rdx,%rax), %eax
movzbl %al, %eax
imull $2404, %eax, %eax
movl %eax, -32(%rbp)
movl -68(%rbp), %eax
addl $2, %eax
movq -88(%rbp), %rdx
cltq
movzbl 307200(%rdx,%rax), %eax
movzbl %al, %eax
imull $2404, %eax, %eax
movl %eax, -32(%rbp)
movl -68(%rbp), %eax
addl $3, %eax
movq -88(%rbp), %rdx
cltq
movzbl 307200(%rdx,%rax), %eax
movzbl %al, %eax
imull $2404, %eax, %eax
movl %eax, -32(%rbp)
movq -88(%rbp), %rdx
movl -68(%rbp), %eax
cltq
movzbl 614400(%rdx,%rax), %eax
movzbl %al, %eax
imull $467, %eax, %eax
movl %eax, -16(%rbp)
movl -68(%rbp), %eax
addl $1, %eax
movq -88(%rbp), %rdx
cltq
movzbl 614400(%rdx,%rax), %eax
movzbl %al, %eax
imull $467, %eax, %eax
movl %eax, -16(%rbp)
movl -68(%rbp), %eax
addl $2, %eax
movq -88(%rbp), %rdx
cltq
movzbl 614400(%rdx,%rax), %eax
movzbl %al, %eax
imull $467, %eax, %eax
movl %eax, -16(%rbp)
movl -68(%rbp), %eax
addl $3, %eax
movq -88(%rbp), %rdx
cltq
movzbl 614400(%rdx,%rax), %eax
movzbl %al, %eax
imull $467, %eax, %eax
movl %eax, -16(%rbp)
movl -48(%rbp), %edx
movl -32(%rbp), %eax
addl %eax, %edx
movl -16(%rbp), %eax
addl %edx, %eax
movl %eax, -64(%rbp)
movl -44(%rbp), %edx
movl -28(%rbp), %eax
addl %eax, %edx
movl -12(%rbp), %eax
addl %edx, %eax
movl %eax, -60(%rbp)
movl -40(%rbp), %edx
movl -24(%rbp), %eax
addl %eax, %edx
movl -8(%rbp), %eax
addl %edx, %eax
movl %eax, -56(%rbp)
movl -36(%rbp), %edx
movl -20(%rbp), %eax
addl %eax, %edx
movl -4(%rbp), %eax
addl %edx, %eax
movl %eax, -52(%rbp)
movl -68(%rbp), %eax
movslq %eax, %rdx
movq -96(%rbp), %rax
addq %rdx, %rax
movl -64(%rbp), %edx
shrl $12, %edx
movb %dl, (%rax)
movl -68(%rbp), %eax
cltq
leaq 1(%rax), %rdx
movq -96(%rbp), %rax
addq %rdx, %rax
movl -60(%rbp), %edx
shrl $12, %edx
movb %dl, (%rax)
movl -68(%rbp), %eax
cltq
leaq 2(%rax), %rdx
movq -96(%rbp), %rax
addq %rdx, %rax
movl -56(%rbp), %edx
shrl $12, %edx
movb %dl, (%rax)
movl -68(%rbp), %eax
cltq
leaq 3(%rax), %rdx
movq -96(%rbp), %rax
addq %rdx, %rax
movl -52(%rbp), %edx
shrl $12, %edx
movb %dl, (%rax)
addl $4, -68(%rbp)
.L4:
cmpl $307199, -68(%rbp)
jle .L5
nop
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE3:
.size convert_RGB_2_black_and_white, .-convert_RGB_2_black_and_white
.section .rodata
.LC0:
.string "CPU cycles: %ld\n"
.text
.globl main
.type main, @function
main:
.LFB4:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $32, %rsp
movl $0, -20(%rbp)
call trace_cpu_time_now
movq %rax, -16(%rbp)
jmp .L7
.L8:
movl $output_IMG, %esi
movl $opt_input_IMG, %edi
call convert_RGB_2_black_and_white
addl $1, -20(%rbp)
.L7:
cmpl $9999, -20(%rbp)
jbe .L8
call trace_cpu_time_now
movq %rax, -8(%rbp)
movq -8(%rbp), %rax
subq -16(%rbp), %rax
movq %rax, %rsi
movl $.LC0, %edi
movl $0, %eax
call printf
movl $0, %eax
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE4:
.size main, .-main
.ident "GCC: (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609"
.section .note.GNU-stack,"",@progbits