145 lines
2.6 KiB
ArmAsm
145 lines
2.6 KiB
ArmAsm
#include "textflag.h"
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#define ROUND()\
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ADD.S R2,R0,R0;\
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ADC R3,R1,R1;\
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EOR R2<<13,R0,R8;\
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EOR R3>>19,R8,R8;\
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EOR R2>>19,R1,R11;\
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EOR R3<<13,R11,R11;\
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ADD.S R6,R4,R4;\
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ADC R7,R5,R5;\
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EOR R6<<16,R4,R2;\
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EOR R7>>16,R2,R2;\
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EOR R6>>16,R5,R3;\
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EOR R7<<16,R3,R3;\
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ADD.S R2,R1,R1;\
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ADC R3,R0,R0;\
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EOR R2<<21,R1,R6;\
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EOR R3>>11,R6,R6;\
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EOR R2>>11,R0,R7;\
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EOR R3<<21,R7,R7;\
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ADD.S R8,R4,R4;\
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ADC R11,R5,R5;\
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EOR R8<<17,R4,R2;\
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EOR R11>>15,R2,R2;\
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EOR R8>>15,R5,R3;\
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EOR R11<<17,R3,R3;\
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ADD.S R2,R1,R1;\
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ADC R3,R0,R0;\
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EOR R2<<13,R1,R8;\
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EOR R3>>19,R8,R8;\
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EOR R2>>19,R0,R11;\
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EOR R3<<13,R11,R11;\
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ADD.S R6,R5,R5;\
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ADC R7,R4,R4;\
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EOR R6<<16,R5,R2;\
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EOR R7>>16,R2,R2;\
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EOR R6>>16,R4,R3;\
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EOR R7<<16,R3,R3;\
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ADD.S R2,R0,R0;\
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ADC R3,R1,R1;\
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EOR R2<<21,R0,R6;\
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EOR R3>>11,R6,R6;\
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EOR R2>>11,R1,R7;\
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EOR R3<<21,R7,R7;\
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ADD.S R8,R5,R5;\
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ADC R11,R4,R4;\
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EOR R8<<17,R5,R2;\
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EOR R11>>15,R2,R2;\
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EOR R8>>15,R4,R3;\
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EOR R11<<17,R3,R3;
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// once(d *digest)
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TEXT ·once(SB),NOSPLIT,$4-4
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MOVW d+0(FP),R8
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MOVM.IA (R8),[R0,R1,R2,R3,R4,R5,R6,R7]
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MOVW 48(R8),R12
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MOVW 52(R8),R14
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EOR R12,R6,R6
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EOR R14,R7,R7
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ROUND()
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EOR R12,R0,R0
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EOR R14,R1,R1
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MOVW d+0(FP),R8
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MOVM.IA [R0,R1,R2,R3,R4,R5,R6,R7],(R8)
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RET
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// finalize(d *digest) uint64
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TEXT ·finalize(SB),NOSPLIT,$4-12
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MOVW d+0(FP),R8
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MOVM.IA (R8),[R0,R1,R2,R3,R4,R5,R6,R7]
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MOVW 48(R8),R12
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MOVW 52(R8),R14
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EOR R12,R6,R6
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EOR R14,R7,R7
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ROUND()
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EOR R12,R0,R0
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EOR R14,R1,R1
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EOR $255,R4
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ROUND()
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ROUND()
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EOR R2,R0,R0
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EOR R3,R1,R1
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EOR R6,R4,R4
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EOR R7,R5,R5
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EOR R4,R0,R0
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EOR R5,R1,R1
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MOVW R0,ret_lo+4(FP)
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MOVW R1,ret_hi+8(FP)
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RET
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// blocks(d *digest, data []uint8)
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TEXT ·blocks(SB),NOSPLIT,$8-16
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MOVW R9,sav-8(SP)
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MOVW d+0(FP),R8
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MOVM.IA (R8),[R0,R1,R2,R3,R4,R5,R6,R7]
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MOVW p+4(FP),R9
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MOVW p_len+8(FP),R11
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ADD R9,R11,R11
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MOVW R11,endp-4(SP)
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AND.S $3,R9,R8
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BNE blocksunaligned
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blocksloop:
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MOVM.IA.W (R9),[R12,R14]
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EOR R12,R6,R6
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EOR R14,R7,R7
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ROUND()
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EOR R12,R0,R0
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EOR R14,R1,R1
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MOVW endp-4(SP),R11
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CMP R11,R9
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BLO blocksloop
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MOVW d+0(FP),R8
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MOVM.IA [R0,R1,R2,R3,R4,R5,R6,R7],(R8)
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MOVW sav-8(SP),R9
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RET
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blocksunaligned:
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MOVBU (R9),R12
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MOVBU 1(R9),R11
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ORR R11<<8,R12,R12
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MOVBU 2(R9),R11
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ORR R11<<16,R12,R12
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MOVBU 3(R9),R11
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ORR R11<<24,R12,R12
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MOVBU 4(R9),R14
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MOVBU 5(R9),R11
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ORR R11<<8,R14,R14
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MOVBU 6(R9),R11
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ORR R11<<16,R14,R14
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MOVBU 7(R9),R11
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ORR R11<<24,R14,R14
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ADD $8,R9,R9
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EOR R12,R6,R6
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EOR R14,R7,R7
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ROUND()
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EOR R12,R0,R0
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EOR R14,R1,R1
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MOVW endp-4(SP),R11
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CMP R11,R9
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BLO blocksunaligned
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MOVW d+0(FP),R8
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MOVM.IA [R0,R1,R2,R3,R4,R5,R6,R7],(R8)
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MOVW sav-8(SP),R9
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RET
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