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.global memset
.type memset,@function
memset:
movzbq %sil,%rax
mov $0x101010101010101,%r8
imul %r8,%rax
cmp $126,%rdx
ja 2f
test %edx,%edx
jz 1f
mov %sil,(%rdi)
mov %sil,-1(%rdi,%rdx)
cmp $2,%edx
jbe 1f
mov %ax,1(%rdi)
mov %ax,(-1-2)(%rdi,%rdx)
cmp $6,%edx
jbe 1f
mov %eax,(1+2)(%rdi)
mov %eax,(-1-2-4)(%rdi,%rdx)
cmp $14,%edx
jbe 1f
mov %rax,(1+2+4)(%rdi)
mov %rax,(-1-2-4-8)(%rdi,%rdx)
cmp $30,%edx
jbe 1f
mov %rax,(1+2+4+8)(%rdi)
mov %rax,(1+2+4+8+8)(%rdi)
mov %rax,(-1-2-4-8-16)(%rdi,%rdx)
mov %rax,(-1-2-4-8-8)(%rdi,%rdx)
cmp $62,%edx
jbe 1f
mov %rax,(1+2+4+8+16)(%rdi)
mov %rax,(1+2+4+8+16+8)(%rdi)
mov %rax,(1+2+4+8+16+16)(%rdi)
mov %rax,(1+2+4+8+16+24)(%rdi)
mov %rax,(-1-2-4-8-16-32)(%rdi,%rdx)
mov %rax,(-1-2-4-8-16-24)(%rdi,%rdx)
mov %rax,(-1-2-4-8-16-16)(%rdi,%rdx)
mov %rax,(-1-2-4-8-16-8)(%rdi,%rdx)
1: mov %rdi,%rax
ret
2: test $15,%edi
mov %rdi,%r8
mov %rax,-8(%rdi,%rdx)
mov %rdx,%rcx
jnz 2f
1: shr $3,%rcx
rep
stosq
mov %r8,%rax
ret
2: xor %edx,%edx
sub %edi,%edx
and $15,%edx
mov %rax,(%rdi)
mov %rax,8(%rdi)
sub %rdx,%rcx
add %rdx,%rdi
jmp 1b
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