103 řádky
1.5 KiB
ArmAsm
103 řádky
1.5 KiB
ArmAsm
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.intel_syntax noprefix
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.section .rodata
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.global u512_1
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u512_1: .quad 1, 0, 0, 0, 0, 0, 0, 0
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.section .text
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.global u512_set
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u512_set:
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cld
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mov rax, rsi
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stosq
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xor rax, rax
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mov rcx, 7
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rep stosq
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ret
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.global u512_bit
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u512_bit:
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mov rcx, rsi
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and rcx, 0x3f
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shr rsi, 6
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mov rax, [rdi + 8*rsi]
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shr rax, cl
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and rax, 1
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ret
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.global u512_add3
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u512_add3:
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mov rax, [rsi + 0]
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add rax, [rdx + 0]
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mov [rdi + 0], rax
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.set k, 1
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.rept 7
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mov rax, [rsi + 8*k]
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adc rax, [rdx + 8*k]
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mov [rdi + 8*k], rax
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.set k, k+1
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.endr
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setc al
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movzx rax, al
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ret
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.global u512_sub3
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u512_sub3:
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mov rax, [rsi + 0]
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sub rax, [rdx + 0]
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mov [rdi + 0], rax
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.set k, 1
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.rept 7
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mov rax, [rsi + 8*k]
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sbb rax, [rdx + 8*k]
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mov [rdi + 8*k], rax
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.set k, k+1
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.endr
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setc al
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movzx rax, al
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ret
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.global u512_mul3_64
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u512_mul3_64:
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mulx r10, rax, [rsi + 0]
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mov [rdi + 0], rax
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mulx r11, rax, [rsi + 8]
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add rax, r10
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mov [rdi + 8], rax
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mulx r10, rax, [rsi + 16]
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adcx rax, r11
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mov [rdi + 16], rax
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mulx r11, rax, [rsi + 24]
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adcx rax, r10
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mov [rdi + 24], rax
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mulx r10, rax, [rsi + 32]
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adcx rax, r11
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mov [rdi + 32],rax
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mulx r11, rax, [rsi + 40]
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adcx rax, r10
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mov [rdi + 40],rax
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mulx r10, rax, [rsi + 48]
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adcx rax, r11
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mov [rdi + 48],rax
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mulx r11, rax, [rsi + 56]
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adcx rax, r10
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mov [rdi + 56],rax
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ret
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