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time_sum_O3.s
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.file "time_sum.c"
.text
.section .rodata.str1.8,"aMS",@progbits,1
.align 8
.LC1:
.string "Enter number of times summation should be repeated: "
.section .rodata.str1.1,"aMS",@progbits,1
.LC2:
.string "%d"
.section .rodata.str1.8
.align 8
.LC4:
.string "\nThe sum of the first %e integers is %zu.\n"
.align 8
.LC5:
.string "Elapsed time of summation %zu: %.9lf sec.\n"
.align 8
.LC6:
.string "\nThe average elapsed time is %.9lf sec.\n"
.section .text.startup,"ax",@progbits
.p2align 4
.globl main
.type main, @function
main:
.LFB11:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movl $.LC1, %edi
xorl %eax, %eax
pushq %rbx
.cfi_def_cfa_offset 24
.cfi_offset 3, -24
subq $72, %rsp
.cfi_def_cfa_offset 96
call printf
leaq 28(%rsp), %rsi
movl $.LC2, %edi
xorl %eax, %eax
call __isoc99_scanf
movl 28(%rsp), %eax
testl %eax, %eax
je .L4
movabsq $500000000500000000, %rbp
pxor %xmm4, %xmm4
xorl %ebx, %ebx
movsd %xmm4, (%rsp)
.L3:
movl $1, %esi
leaq 32(%rsp), %rdi
addq $1, %rbx
call timespec_get
movl $1, %esi
leaq 48(%rsp), %rdi
call timespec_get
pxor %xmm1, %xmm1
pxor %xmm0, %xmm0
movq %rbp, %rsi
movq 56(%rsp), %rax
subq 40(%rsp), %rax
movl $.LC4, %edi
cvtsi2sdq %rax, %xmm1
movq 48(%rsp), %rax
subq 32(%rsp), %rax
divsd .LC3(%rip), %xmm1
cvtsi2sdq %rax, %xmm0
movsd (%rsp), %xmm2
movq .LC3(%rip), %rax
addsd %xmm0, %xmm1
movq %rax, %xmm0
movl $1, %eax
addsd %xmm1, %xmm2
movsd %xmm1, 8(%rsp)
movsd %xmm2, (%rsp)
call printf
movsd 8(%rsp), %xmm1
movq %rbx, %rsi
movl $.LC5, %edi
movl $1, %eax
movapd %xmm1, %xmm0
call printf
movslq 28(%rsp), %rdx
movq %rdx, %rax
cmpq %rdx, %rbx
jb .L3
.L2:
pxor %xmm0, %xmm0
movsd (%rsp), %xmm3
movl $.LC6, %edi
cvtsi2sdl %eax, %xmm0
movl $1, %eax
divsd %xmm0, %xmm3
movapd %xmm3, %xmm0
call printf
addq $72, %rsp
.cfi_remember_state
.cfi_def_cfa_offset 24
xorl %eax, %eax
popq %rbx
.cfi_def_cfa_offset 16
popq %rbp
.cfi_def_cfa_offset 8
ret
.L4:
.cfi_restore_state
pxor %xmm5, %xmm5
movsd %xmm5, (%rsp)
jmp .L2
.cfi_endproc
.LFE11:
.size main, .-main
.section .rodata.cst8,"aM",@progbits,8
.align 8
.LC3:
.long 0
.long 1104006501
.ident "GCC: (GNU) 9.1.1 20190503 (Red Hat 9.1.1-1)"
.section .note.GNU-stack,"",@progbits