mirror of
https://github.com/oxen-io/lokinet.git
synced 2024-11-19 09:25:28 +00:00
173 lines
2.7 KiB
ArmAsm
173 lines
2.7 KiB
ArmAsm
#ifdef IN_SANDY2X
|
|
|
|
/*
|
|
This file is adapted from amd64-51/fe25519_square.s:
|
|
Adding loop to perform n squares.
|
|
*/
|
|
#include "fe51_namespace.h"
|
|
#include "consts_namespace.h"
|
|
.p2align 5
|
|
|
|
#ifdef ASM_HIDE_SYMBOL
|
|
ASM_HIDE_SYMBOL fe51_nsquare
|
|
ASM_HIDE_SYMBOL _fe51_nsquare
|
|
#endif
|
|
.globl fe51_nsquare
|
|
.globl _fe51_nsquare
|
|
#ifdef __ELF__
|
|
.type fe51_nsquare, @function
|
|
.type _fe51_nsquare, @function
|
|
#endif
|
|
fe51_nsquare:
|
|
_fe51_nsquare:
|
|
|
|
mov %rsp,%r11
|
|
and $31,%r11
|
|
add $64,%r11
|
|
sub %r11,%rsp
|
|
movq %r11,0(%rsp)
|
|
movq %r12,8(%rsp)
|
|
movq %r13,16(%rsp)
|
|
movq %r14,24(%rsp)
|
|
movq %r15,32(%rsp)
|
|
movq %rbx,40(%rsp)
|
|
movq %rbp,48(%rsp)
|
|
movq 0(%rsi),%rcx
|
|
movq 8(%rsi),%r8
|
|
movq 16(%rsi),%r9
|
|
movq 24(%rsi),%rax
|
|
movq 32(%rsi),%rsi
|
|
movq %r9,16(%rdi)
|
|
movq %rax,24(%rdi)
|
|
movq %rsi,32(%rdi)
|
|
mov %rdx,%rsi
|
|
|
|
.p2align 4
|
|
._loop:
|
|
sub $1,%rsi
|
|
mov %rcx,%rax
|
|
mul %rcx
|
|
add %rcx,%rcx
|
|
mov %rax,%r9
|
|
mov %rdx,%r10
|
|
mov %rcx,%rax
|
|
mul %r8
|
|
mov %rax,%r11
|
|
mov %rdx,%r12
|
|
mov %rcx,%rax
|
|
mulq 16(%rdi)
|
|
mov %rax,%r13
|
|
mov %rdx,%r14
|
|
mov %rcx,%rax
|
|
mulq 24(%rdi)
|
|
mov %rax,%r15
|
|
mov %rdx,%rbx
|
|
mov %rcx,%rax
|
|
mulq 32(%rdi)
|
|
mov %rax,%rcx
|
|
mov %rdx,%rbp
|
|
mov %r8,%rax
|
|
mul %r8
|
|
add %r8,%r8
|
|
add %rax,%r13
|
|
adc %rdx,%r14
|
|
mov %r8,%rax
|
|
mulq 16(%rdi)
|
|
add %rax,%r15
|
|
adc %rdx,%rbx
|
|
mov %r8,%rax
|
|
imulq $19, %r8,%r8
|
|
mulq 24(%rdi)
|
|
add %rax,%rcx
|
|
adc %rdx,%rbp
|
|
mov %r8,%rax
|
|
mulq 32(%rdi)
|
|
add %rax,%r9
|
|
adc %rdx,%r10
|
|
movq 16(%rdi),%rax
|
|
mulq 16(%rdi)
|
|
add %rax,%rcx
|
|
adc %rdx,%rbp
|
|
shld $13,%rcx,%rbp
|
|
movq 16(%rdi),%rax
|
|
imulq $38, %rax,%rax
|
|
mulq 24(%rdi)
|
|
add %rax,%r9
|
|
adc %rdx,%r10
|
|
shld $13,%r9,%r10
|
|
movq 16(%rdi),%rax
|
|
imulq $38, %rax,%rax
|
|
mulq 32(%rdi)
|
|
add %rax,%r11
|
|
adc %rdx,%r12
|
|
movq 24(%rdi),%rax
|
|
imulq $19, %rax,%rax
|
|
mulq 24(%rdi)
|
|
add %rax,%r11
|
|
adc %rdx,%r12
|
|
shld $13,%r11,%r12
|
|
movq 24(%rdi),%rax
|
|
imulq $38, %rax,%rax
|
|
mulq 32(%rdi)
|
|
add %rax,%r13
|
|
adc %rdx,%r14
|
|
shld $13,%r13,%r14
|
|
movq 32(%rdi),%rax
|
|
imulq $19, %rax,%rax
|
|
mulq 32(%rdi)
|
|
add %rax,%r15
|
|
adc %rdx,%rbx
|
|
shld $13,%r15,%rbx
|
|
movq REDMASK51(%rip),%rdx
|
|
and %rdx,%rcx
|
|
add %rbx,%rcx
|
|
and %rdx,%r9
|
|
and %rdx,%r11
|
|
add %r10,%r11
|
|
and %rdx,%r13
|
|
add %r12,%r13
|
|
and %rdx,%r15
|
|
add %r14,%r15
|
|
imulq $19, %rbp,%rbp
|
|
lea (%r9,%rbp),%r9
|
|
mov %r9,%rax
|
|
shr $51,%r9
|
|
add %r11,%r9
|
|
and %rdx,%rax
|
|
mov %r9,%r8
|
|
shr $51,%r9
|
|
add %r13,%r9
|
|
and %rdx,%r8
|
|
mov %r9,%r10
|
|
shr $51,%r9
|
|
add %r15,%r9
|
|
and %rdx,%r10
|
|
movq %r10,16(%rdi)
|
|
mov %r9,%r10
|
|
shr $51,%r9
|
|
add %rcx,%r9
|
|
and %rdx,%r10
|
|
movq %r10,24(%rdi)
|
|
mov %r9,%r10
|
|
shr $51,%r9
|
|
imulq $19, %r9,%r9
|
|
lea (%rax,%r9),%rcx
|
|
and %rdx,%r10
|
|
movq %r10,32(%rdi)
|
|
cmp $0,%rsi
|
|
jne ._loop
|
|
|
|
movq %rcx,0(%rdi)
|
|
movq %r8,8(%rdi)
|
|
movq 0(%rsp),%r11
|
|
movq 8(%rsp),%r12
|
|
movq 16(%rsp),%r13
|
|
movq 24(%rsp),%r14
|
|
movq 32(%rsp),%r15
|
|
movq 40(%rsp),%rbx
|
|
movq 48(%rsp),%rbp
|
|
add %r11,%rsp
|
|
ret
|
|
|
|
#endif
|