1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
# qhasm: int64 xp
# qhasm: int64 yp
# qhasm: int64 ret
# qhasm: input xp
# qhasm: input yp
# qhasm: output ret
# qhasm: int64 t0
# qhasm: int64 t1
# qhasm: int64 t2
# qhasm: int64 t3
# qhasm: int64 doof
# qhasm: int64 caller1
# qhasm: int64 caller2
# qhasm: int64 caller3
# qhasm: int64 caller4
# qhasm: int64 caller5
# qhasm: int64 caller6
# qhasm: int64 caller7
# qhasm: caller caller1
# qhasm: caller caller2
# qhasm: caller caller3
# qhasm: caller caller4
# qhasm: caller caller5
# qhasm: caller caller6
# qhasm: caller caller7
# qhasm: stack64 caller4_stack
# qhasm: stack64 caller5_stack
# qhasm: stack64 caller6_stack
# qhasm: stack64 caller7_stack
# qhasm: enter crypto_sign_ed25519_amd64_64_sc25519_lt
.text
.p2align 5
.globl _crypto_sign_ed25519_amd64_64_sc25519_lt
.globl crypto_sign_ed25519_amd64_64_sc25519_lt
_crypto_sign_ed25519_amd64_64_sc25519_lt:
crypto_sign_ed25519_amd64_64_sc25519_lt:
mov %rsp,%r11
and $31,%r11
add $0,%r11
sub %r11,%rsp
# qhasm: t0 = *(uint64 *)(xp + 0)
# asm 1: movq 0(<xp=int64#1),>t0=int64#3
# asm 2: movq 0(<xp=%rdi),>t0=%rdx
movq 0(%rdi),%rdx
# qhasm: t1 = *(uint64 *)(xp + 8)
# asm 1: movq 8(<xp=int64#1),>t1=int64#4
# asm 2: movq 8(<xp=%rdi),>t1=%rcx
movq 8(%rdi),%rcx
# qhasm: t2 = *(uint64 *)(xp + 16)
# asm 1: movq 16(<xp=int64#1),>t2=int64#5
# asm 2: movq 16(<xp=%rdi),>t2=%r8
movq 16(%rdi),%r8
# qhasm: t3 = *(uint64 *)(xp + 24)
# asm 1: movq 24(<xp=int64#1),>t3=int64#1
# asm 2: movq 24(<xp=%rdi),>t3=%rdi
movq 24(%rdi),%rdi
# qhasm: carry? t0 -= *(uint64 *)(yp + 0)
# asm 1: subq 0(<yp=int64#2),<t0=int64#3
# asm 2: subq 0(<yp=%rsi),<t0=%rdx
subq 0(%rsi),%rdx
# qhasm: carry? t1 -= *(uint64 *)(yp + 8) - carry
# asm 1: sbbq 8(<yp=int64#2),<t1=int64#4
# asm 2: sbbq 8(<yp=%rsi),<t1=%rcx
sbbq 8(%rsi),%rcx
# qhasm: carry? t2 -= *(uint64 *)(yp + 16) - carry
# asm 1: sbbq 16(<yp=int64#2),<t2=int64#5
# asm 2: sbbq 16(<yp=%rsi),<t2=%r8
sbbq 16(%rsi),%r8
# qhasm: carry? t3 -= *(uint64 *)(yp + 24) - carry
# asm 1: sbbq 24(<yp=int64#2),<t3=int64#1
# asm 2: sbbq 24(<yp=%rsi),<t3=%rdi
sbbq 24(%rsi),%rdi
# qhasm: ret = 0
# asm 1: mov $0,>ret=int64#1
# asm 2: mov $0,>ret=%rdi
mov $0,%rdi
# qhasm: doof = 1
# asm 1: mov $1,>doof=int64#2
# asm 2: mov $1,>doof=%rsi
mov $1,%rsi
# qhasm: ret = doof if carry
# asm 1: cmovc <doof=int64#2,<ret=int64#1
# asm 2: cmovc <doof=%rsi,<ret=%rdi
cmovc %rsi,%rdi
# qhasm: leave
add %r11,%rsp
mov %rdi,%rax
mov %rsi,%rdx
ret
|