mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-10-17 20:50:29 -07:00
132 lines
2.5 KiB
ArmAsm
132 lines
2.5 KiB
ArmAsm
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# qhasm: int64 xp
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# qhasm: int64 yp
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# qhasm: int64 ret
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# qhasm: input xp
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# qhasm: input yp
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# qhasm: output ret
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# qhasm: int64 t0
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# qhasm: int64 t1
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# qhasm: int64 t2
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# qhasm: int64 t3
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# qhasm: int64 doof
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# qhasm: int64 caller1
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# qhasm: int64 caller2
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# qhasm: int64 caller3
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# qhasm: int64 caller4
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# qhasm: int64 caller5
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# qhasm: int64 caller6
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# qhasm: int64 caller7
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# qhasm: caller caller1
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# qhasm: caller caller2
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# qhasm: caller caller3
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# qhasm: caller caller4
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# qhasm: caller caller5
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# qhasm: caller caller6
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# qhasm: caller caller7
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# qhasm: stack64 caller4_stack
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# qhasm: stack64 caller5_stack
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# qhasm: stack64 caller6_stack
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# qhasm: stack64 caller7_stack
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# qhasm: enter crypto_sign_ed25519_amd64_64_sc25519_lt
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.text
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.p2align 5
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.globl _crypto_sign_ed25519_amd64_64_sc25519_lt
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.globl crypto_sign_ed25519_amd64_64_sc25519_lt
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_crypto_sign_ed25519_amd64_64_sc25519_lt:
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crypto_sign_ed25519_amd64_64_sc25519_lt:
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mov %rsp,%r11
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and $31,%r11
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add $0,%r11
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sub %r11,%rsp
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# qhasm: t0 = *(uint64 *)(xp + 0)
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# asm 1: movq 0(<xp=int64#1),>t0=int64#3
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# asm 2: movq 0(<xp=%rdi),>t0=%rdx
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movq 0(%rdi),%rdx
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# qhasm: t1 = *(uint64 *)(xp + 8)
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# asm 1: movq 8(<xp=int64#1),>t1=int64#4
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# asm 2: movq 8(<xp=%rdi),>t1=%rcx
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movq 8(%rdi),%rcx
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# qhasm: t2 = *(uint64 *)(xp + 16)
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# asm 1: movq 16(<xp=int64#1),>t2=int64#5
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# asm 2: movq 16(<xp=%rdi),>t2=%r8
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movq 16(%rdi),%r8
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# qhasm: t3 = *(uint64 *)(xp + 24)
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# asm 1: movq 24(<xp=int64#1),>t3=int64#1
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# asm 2: movq 24(<xp=%rdi),>t3=%rdi
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movq 24(%rdi),%rdi
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# qhasm: carry? t0 -= *(uint64 *)(yp + 0)
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# asm 1: subq 0(<yp=int64#2),<t0=int64#3
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# asm 2: subq 0(<yp=%rsi),<t0=%rdx
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subq 0(%rsi),%rdx
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# qhasm: carry? t1 -= *(uint64 *)(yp + 8) - carry
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# asm 1: sbbq 8(<yp=int64#2),<t1=int64#4
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# asm 2: sbbq 8(<yp=%rsi),<t1=%rcx
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sbbq 8(%rsi),%rcx
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# qhasm: carry? t2 -= *(uint64 *)(yp + 16) - carry
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# asm 1: sbbq 16(<yp=int64#2),<t2=int64#5
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# asm 2: sbbq 16(<yp=%rsi),<t2=%r8
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sbbq 16(%rsi),%r8
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# qhasm: carry? t3 -= *(uint64 *)(yp + 24) - carry
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# asm 1: sbbq 24(<yp=int64#2),<t3=int64#1
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# asm 2: sbbq 24(<yp=%rsi),<t3=%rdi
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sbbq 24(%rsi),%rdi
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# qhasm: ret = 0
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# asm 1: mov $0,>ret=int64#1
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# asm 2: mov $0,>ret=%rdi
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mov $0,%rdi
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# qhasm: doof = 1
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# asm 1: mov $1,>doof=int64#2
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# asm 2: mov $1,>doof=%rsi
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mov $1,%rsi
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# qhasm: ret = doof if carry
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# asm 1: cmovc <doof=int64#2,<ret=int64#1
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# asm 2: cmovc <doof=%rsi,<ret=%rdi
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cmovc %rsi,%rdi
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# qhasm: leave
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add %r11,%rsp
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mov %rdi,%rax
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mov %rsi,%rdx
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ret
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