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crypto@v0.31.0
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poly1305
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Filename :
sum_amd64.s
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// Code generated by command: go run sum_amd64_asm.go -out ../sum_amd64.s -pkg poly1305. DO NOT EDIT. //go:build gc && !purego // func update(state *macState, msg []byte) TEXT ·update(SB), $0-32 MOVQ state+0(FP), DI MOVQ msg_base+8(FP), SI MOVQ msg_len+16(FP), R15 MOVQ (DI), R8 MOVQ 8(DI), R9 MOVQ 16(DI), R10 MOVQ 24(DI), R11 MOVQ 32(DI), R12 CMPQ R15, $0x10 JB bytes_between_0_and_15 loop: ADDQ (SI), R8 ADCQ 8(SI), R9 ADCQ $0x01, R10 LEAQ 16(SI), SI multiply: MOVQ R11, AX MULQ R8 MOVQ AX, BX MOVQ DX, CX MOVQ R11, AX MULQ R9 ADDQ AX, CX ADCQ $0x00, DX MOVQ R11, R13 IMULQ R10, R13 ADDQ DX, R13 MOVQ R12, AX MULQ R8 ADDQ AX, CX ADCQ $0x00, DX MOVQ DX, R8 MOVQ R12, R14 IMULQ R10, R14 MOVQ R12, AX MULQ R9 ADDQ AX, R13 ADCQ DX, R14 ADDQ R8, R13 ADCQ $0x00, R14 MOVQ BX, R8 MOVQ CX, R9 MOVQ R13, R10 ANDQ $0x03, R10 MOVQ R13, BX ANDQ $-4, BX ADDQ BX, R8 ADCQ R14, R9 ADCQ $0x00, R10 SHRQ $0x02, R14, R13 SHRQ $0x02, R14 ADDQ R13, R8 ADCQ R14, R9 ADCQ $0x00, R10 SUBQ $0x10, R15 CMPQ R15, $0x10 JAE loop bytes_between_0_and_15: TESTQ R15, R15 JZ done MOVQ $0x00000001, BX XORQ CX, CX XORQ R13, R13 ADDQ R15, SI flush_buffer: SHLQ $0x08, BX, CX SHLQ $0x08, BX MOVB -1(SI), R13 XORQ R13, BX DECQ SI DECQ R15 JNZ flush_buffer ADDQ BX, R8 ADCQ CX, R9 ADCQ $0x00, R10 MOVQ $0x00000010, R15 JMP multiply done: MOVQ R8, (DI) MOVQ R9, 8(DI) MOVQ R10, 16(DI) RET