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.text
.align 32, 0x90
.globl __gmpn_lshift
.def __gmpn_lshift
.scl 2
.type 32
.endef
__gmpn_lshift:
push %rdi
push %rsi
mov %rcx, %rdi
mov %rdx, %rsi
mov %r8, %rdx
mov %r9, %rcx
neg %ecx
mov -8(%rsi,%rdx,8), %rax
shr %cl, %rax
neg %ecx
lea 1(%rdx), %r8d
and $3, %r8d
je Lrlx
dec %r8d
jne L1
mov -8(%rsi,%rdx,8), %r10
shl %cl, %r10
neg %ecx
mov -16(%rsi,%rdx,8), %r8
shr %cl, %r8
or %r8, %r10
mov %r10, -8(%rdi,%rdx,8)
dec %rdx
jmp Lrll
L1: dec %r8d
je L1x
mov -8(%rsi,%rdx,8), %r10
shl %cl, %r10
neg %ecx
mov -16(%rsi,%rdx,8), %r8
shr %cl, %r8
or %r8, %r10
mov %r10, -8(%rdi,%rdx,8)
dec %rdx
neg %ecx
L1x:
cmp $1, %rdx
je Last
mov -8(%rsi,%rdx,8), %r10
shl %cl, %r10
mov -16(%rsi,%rdx,8), %r11
shl %cl, %r11
neg %ecx
mov -16(%rsi,%rdx,8), %r8
mov -24(%rsi,%rdx,8), %r9
shr %cl, %r8
or %r8, %r10
shr %cl, %r9
or %r9, %r11
mov %r10, -8(%rdi,%rdx,8)
mov %r11, -16(%rdi,%rdx,8)
sub $2, %rdx
Lrll: neg %ecx
Lrlx: mov -8(%rsi,%rdx,8), %r10
shl %cl, %r10
mov -16(%rsi,%rdx,8), %r11
shl %cl, %r11
sub $4, %rdx
jb Lend
.align 16, 0x90
Ltop:
neg %ecx
mov 16(%rsi,%rdx,8), %r8
mov 8(%rsi,%rdx,8), %r9
shr %cl, %r8
or %r8, %r10
shr %cl, %r9
or %r9, %r11
mov %r10, 24(%rdi,%rdx,8)
mov %r11, 16(%rdi,%rdx,8)
mov 0(%rsi,%rdx,8), %r8
mov -8(%rsi,%rdx,8), %r9
shr %cl, %r8
shr %cl, %r9
neg %ecx
mov 8(%rsi,%rdx,8), %r10
mov 0(%rsi,%rdx,8), %r11
shl %cl, %r10
or %r10, %r8
shl %cl, %r11
or %r11, %r9
mov %r8, 8(%rdi,%rdx,8)
mov %r9, 0(%rdi,%rdx,8)
mov -8(%rsi,%rdx,8), %r10
mov -16(%rsi,%rdx,8), %r11
shl %cl, %r10
shl %cl, %r11
sub $4, %rdx
jae Ltop
Lend:
neg %ecx
mov 8(%rsi), %r8
shr %cl, %r8
or %r8, %r10
mov (%rsi), %r9
shr %cl, %r9
or %r9, %r11
mov %r10, 16(%rdi)
mov %r11, 8(%rdi)
neg %ecx
Last: mov (%rsi), %r10
shl %cl, %r10
mov %r10, (%rdi)
pop %rsi
pop %rdi
ret
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