mirror of
https://github.com/octoleo/syncthing.git
synced 2024-11-19 03:25:16 +00:00
cbcc3ea132
This updates kcp and uses our own fork which: 1. Keys sessions not just by remote address, but by remote address + conversation id 2. Allows not to close connections that were passed directly to the library. 3. Resets cache key if the session gets terminated. GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4339 LGTM: calmh
443 lines
7.3 KiB
ArmAsm
443 lines
7.3 KiB
ArmAsm
#include "textflag.h"
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// addr of mem
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#define DST BX
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#define SRC SI
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#define SRC0 TMP4
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#define SRC1 TMP5
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// loop args
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// num of vect
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#define VECT CX
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#define LEN DX
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// pos of matrix
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#define POS R8
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// tmp store
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// num of vect or ...
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#define TMP1 R9
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// pos of matrix or ...
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#define TMP2 R10
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// store addr of data/parity or ...
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#define TMP3 R11
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#define TMP4 R12
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#define TMP5 R13
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#define TMP6 R14
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// func bytesAVX2mini(dst, src0, src1 []byte, size int)
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TEXT ·bytesAVX2mini(SB), NOSPLIT, $0
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MOVQ len+72(FP), LEN
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CMPQ LEN, $0
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JE ret
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MOVQ dst+0(FP), DST
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MOVQ src0+24(FP), SRC0
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MOVQ src1+48(FP), SRC1
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TESTQ $31, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop32b:
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VMOVDQU (SRC0)(POS*1), Y0
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VPXOR (SRC1)(POS*1), Y0, Y0
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VMOVDQU Y0, (DST)(POS*1)
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ADDQ $32, POS
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CMPQ LEN, POS
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JNE loop32b
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RET
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loop_1b:
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MOVB -1(SRC0)(LEN*1), TMP1
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MOVB -1(SRC1)(LEN*1), TMP2
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XORB TMP1, TMP2
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MOVB TMP2, -1(DST)(LEN*1)
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SUBQ $1, LEN
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TESTQ $7, LEN
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JNZ loop_1b
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CMPQ LEN, $0
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JE ret
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TESTQ $31, LEN
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JZ aligned
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not_aligned:
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TESTQ $7, LEN
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JNE loop_1b
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MOVQ LEN, TMP1
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ANDQ $31, TMP1
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loop_8b:
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MOVQ -8(SRC0)(LEN*1), TMP2
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MOVQ -8(SRC1)(LEN*1), TMP3
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XORQ TMP2, TMP3
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MOVQ TMP3, -8(DST)(LEN*1)
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SUBQ $8, LEN
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SUBQ $8, TMP1
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JG loop_8b
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CMPQ LEN, $32
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JGE aligned
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RET
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ret:
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RET
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// func bytesAVX2small(dst, src0, src1 []byte, size int)
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TEXT ·bytesAVX2small(SB), NOSPLIT, $0
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MOVQ len+72(FP), LEN
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CMPQ LEN, $0
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JE ret
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MOVQ dst+0(FP), DST
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MOVQ src0+24(FP), SRC0
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MOVQ src1+48(FP), SRC1
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TESTQ $127, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop128b:
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VMOVDQU (SRC0)(POS*1), Y0
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VMOVDQU 32(SRC0)(POS*1), Y1
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VMOVDQU 64(SRC0)(POS*1), Y2
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VMOVDQU 96(SRC0)(POS*1), Y3
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VPXOR (SRC1)(POS*1), Y0, Y0
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VPXOR 32(SRC1)(POS*1), Y1, Y1
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VPXOR 64(SRC1)(POS*1), Y2, Y2
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VPXOR 96(SRC1)(POS*1), Y3, Y3
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VMOVDQU Y0, (DST)(POS*1)
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VMOVDQU Y1, 32(DST)(POS*1)
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VMOVDQU Y2, 64(DST)(POS*1)
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VMOVDQU Y3, 96(DST)(POS*1)
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ADDQ $128, POS
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CMPQ LEN, POS
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JNE loop128b
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RET
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loop_1b:
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MOVB -1(SRC0)(LEN*1), TMP1
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MOVB -1(SRC1)(LEN*1), TMP2
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XORB TMP1, TMP2
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MOVB TMP2, -1(DST)(LEN*1)
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SUBQ $1, LEN
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TESTQ $7, LEN
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JNZ loop_1b
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CMPQ LEN, $0
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JE ret
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TESTQ $127, LEN
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JZ aligned
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not_aligned:
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TESTQ $7, LEN
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JNE loop_1b
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MOVQ LEN, TMP1
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ANDQ $127, TMP1
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loop_8b:
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MOVQ -8(SRC0)(LEN*1), TMP2
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MOVQ -8(SRC1)(LEN*1), TMP3
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XORQ TMP2, TMP3
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MOVQ TMP3, -8(DST)(LEN*1)
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SUBQ $8, LEN
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SUBQ $8, TMP1
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JG loop_8b
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CMPQ LEN, $128
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JGE aligned
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RET
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ret:
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RET
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// func bytesAVX2big(dst, src0, src1 []byte, size int)
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TEXT ·bytesAVX2big(SB), NOSPLIT, $0
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MOVQ len+72(FP), LEN
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CMPQ LEN, $0
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JE ret
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MOVQ dst+0(FP), DST
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MOVQ src0+24(FP), SRC0
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MOVQ src1+48(FP), SRC1
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TESTQ $127, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop128b:
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VMOVDQU (SRC0)(POS*1), Y0
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VMOVDQU 32(SRC0)(POS*1), Y1
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VMOVDQU 64(SRC0)(POS*1), Y2
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VMOVDQU 96(SRC0)(POS*1), Y3
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VPXOR (SRC1)(POS*1), Y0, Y0
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VPXOR 32(SRC1)(POS*1), Y1, Y1
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VPXOR 64(SRC1)(POS*1), Y2, Y2
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VPXOR 96(SRC1)(POS*1), Y3, Y3
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LONG $0xe77da1c4; WORD $0x0304
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LONG $0xe77da1c4; WORD $0x034c; BYTE $0x20
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LONG $0xe77da1c4; WORD $0x0354; BYTE $0x40
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LONG $0xe77da1c4; WORD $0x035c; BYTE $0x60
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ADDQ $128, POS
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CMPQ LEN, POS
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JNE loop128b
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SFENCE
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RET
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loop_1b:
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MOVB -1(SRC0)(LEN*1), TMP1
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MOVB -1(SRC1)(LEN*1), TMP2
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XORB TMP1, TMP2
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MOVB TMP2, -1(DST)(LEN*1)
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SUBQ $1, LEN
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TESTQ $7, LEN
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JNZ loop_1b
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CMPQ LEN, $0
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JE ret
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TESTQ $127, LEN
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JZ aligned
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not_aligned:
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TESTQ $7, LEN
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JNE loop_1b
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MOVQ LEN, TMP1
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ANDQ $127, TMP1
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loop_8b:
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MOVQ -8(SRC0)(LEN*1), TMP2
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MOVQ -8(SRC1)(LEN*1), TMP3
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XORQ TMP2, TMP3
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MOVQ TMP3, -8(DST)(LEN*1)
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SUBQ $8, LEN
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SUBQ $8, TMP1
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JG loop_8b
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CMPQ LEN, $128
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JGE aligned
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RET
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ret:
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RET
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// func matrixAVX2small(dst []byte, src [][]byte)
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TEXT ·matrixAVX2small(SB), NOSPLIT, $0
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MOVQ dst+0(FP), DST
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MOVQ src+24(FP), SRC
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MOVQ vec+32(FP), VECT
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MOVQ len+8(FP), LEN
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TESTQ $127, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop128b:
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MOVQ VECT, TMP1
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SUBQ $2, TMP1
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MOVQ $0, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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MOVQ TMP3, TMP4
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VMOVDQU (TMP3)(POS*1), Y0
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VMOVDQU 32(TMP4)(POS*1), Y1
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VMOVDQU 64(TMP3)(POS*1), Y2
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VMOVDQU 96(TMP4)(POS*1), Y3
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next_vect:
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ADDQ $24, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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MOVQ TMP3, TMP4
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VMOVDQU (TMP3)(POS*1), Y4
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VMOVDQU 32(TMP4)(POS*1), Y5
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VMOVDQU 64(TMP3)(POS*1), Y6
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VMOVDQU 96(TMP4)(POS*1), Y7
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VPXOR Y4, Y0, Y0
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VPXOR Y5, Y1, Y1
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VPXOR Y6, Y2, Y2
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VPXOR Y7, Y3, Y3
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SUBQ $1, TMP1
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JGE next_vect
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VMOVDQU Y0, (DST)(POS*1)
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VMOVDQU Y1, 32(DST)(POS*1)
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VMOVDQU Y2, 64(DST)(POS*1)
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VMOVDQU Y3, 96(DST)(POS*1)
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ADDQ $128, POS
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CMPQ LEN, POS
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JNE loop128b
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RET
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loop_1b:
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MOVQ VECT, TMP1
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MOVQ $0, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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SUBQ $2, TMP1
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MOVB -1(TMP3)(LEN*1), TMP5
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next_vect_1b:
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ADDQ $24, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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MOVB -1(TMP3)(LEN*1), TMP6
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XORB TMP6, TMP5
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SUBQ $1, TMP1
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JGE next_vect_1b
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MOVB TMP5, -1(DST)(LEN*1)
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SUBQ $1, LEN
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TESTQ $7, LEN
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JNZ loop_1b
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CMPQ LEN, $0
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JE ret
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TESTQ $127, LEN
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JZ aligned
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not_aligned:
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TESTQ $7, LEN
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JNE loop_1b
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MOVQ LEN, TMP4
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ANDQ $127, TMP4
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loop_8b:
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MOVQ VECT, TMP1
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MOVQ $0, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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SUBQ $2, TMP1
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MOVQ -8(TMP3)(LEN*1), TMP5
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next_vect_8b:
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ADDQ $24, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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MOVQ -8(TMP3)(LEN*1), TMP6
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XORQ TMP6, TMP5
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SUBQ $1, TMP1
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JGE next_vect_8b
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MOVQ TMP5, -8(DST)(LEN*1)
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SUBQ $8, LEN
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SUBQ $8, TMP4
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JG loop_8b
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CMPQ LEN, $128
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JGE aligned
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RET
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ret:
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RET
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// func matrixAVX2big(dst []byte, src [][]byte)
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TEXT ·matrixAVX2big(SB), NOSPLIT, $0
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MOVQ dst+0(FP), DST
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MOVQ src+24(FP), SRC
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MOVQ vec+32(FP), VECT
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MOVQ len+8(FP), LEN
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TESTQ $127, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop128b:
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MOVQ VECT, TMP1
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SUBQ $2, TMP1
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MOVQ $0, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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MOVQ TMP3, TMP4
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VMOVDQU (TMP3)(POS*1), Y0
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VMOVDQU 32(TMP4)(POS*1), Y1
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VMOVDQU 64(TMP3)(POS*1), Y2
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VMOVDQU 96(TMP4)(POS*1), Y3
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next_vect:
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ADDQ $24, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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MOVQ TMP3, TMP4
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VMOVDQU (TMP3)(POS*1), Y4
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VMOVDQU 32(TMP4)(POS*1), Y5
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VMOVDQU 64(TMP3)(POS*1), Y6
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VMOVDQU 96(TMP4)(POS*1), Y7
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VPXOR Y4, Y0, Y0
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VPXOR Y5, Y1, Y1
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VPXOR Y6, Y2, Y2
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VPXOR Y7, Y3, Y3
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SUBQ $1, TMP1
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JGE next_vect
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LONG $0xe77da1c4; WORD $0x0304 // VMOVNTDQ go1.8 has
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LONG $0xe77da1c4; WORD $0x034c; BYTE $0x20
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LONG $0xe77da1c4; WORD $0x0354; BYTE $0x40
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LONG $0xe77da1c4; WORD $0x035c; BYTE $0x60
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ADDQ $128, POS
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CMPQ LEN, POS
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JNE loop128b
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RET
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loop_1b:
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MOVQ VECT, TMP1
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MOVQ $0, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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SUBQ $2, TMP1
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MOVB -1(TMP3)(LEN*1), TMP5
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next_vect_1b:
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ADDQ $24, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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MOVB -1(TMP3)(LEN*1), TMP6
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XORB TMP6, TMP5
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SUBQ $1, TMP1
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JGE next_vect_1b
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MOVB TMP5, -1(DST)(LEN*1)
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SUBQ $1, LEN
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TESTQ $7, LEN
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JNZ loop_1b
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CMPQ LEN, $0
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JE ret
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TESTQ $127, LEN
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JZ aligned
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not_aligned:
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TESTQ $7, LEN
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JNE loop_1b
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MOVQ LEN, TMP4
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ANDQ $127, TMP4
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loop_8b:
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MOVQ VECT, TMP1
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MOVQ $0, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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SUBQ $2, TMP1
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MOVQ -8(TMP3)(LEN*1), TMP5
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next_vect_8b:
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ADDQ $24, TMP2
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MOVQ (SRC)(TMP2*1), TMP3
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MOVQ -8(TMP3)(LEN*1), TMP6
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XORQ TMP6, TMP5
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SUBQ $1, TMP1
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JGE next_vect_8b
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MOVQ TMP5, -8(DST)(LEN*1)
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SUBQ $8, LEN
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SUBQ $8, TMP4
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JG loop_8b
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CMPQ LEN, $128
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JGE aligned
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RET
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ret:
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RET
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TEXT ·hasAVX2(SB), NOSPLIT, $0
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XORQ AX, AX
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XORQ CX, CX
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ADDL $7, AX
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CPUID
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SHRQ $5, BX
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ANDQ $1, BX
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MOVB BX, ret+0(FP)
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RET
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