mirror of
https://github.com/octoleo/syncthing.git
synced 2024-11-19 03:25:16 +00:00
575 lines
8.9 KiB
ArmAsm
575 lines
8.9 KiB
ArmAsm
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#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 bytesSrc0(dst, src0, src1 []byte)
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TEXT ·xorSrc0(SB), NOSPLIT, $0
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MOVQ len+32(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 $15, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop16b:
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MOVOU (SRC0)(POS*1), X0
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XORPD (SRC1)(POS*1), X0
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MOVOU X0, (DST)(POS*1)
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ADDQ $16, POS
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CMPQ LEN, POS
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JNE loop16b
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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 $15, 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 $15, 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, $16
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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 bytesSrc1(dst, src0, src1 []byte)
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TEXT ·xorSrc1(SB), NOSPLIT, $0
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MOVQ len+56(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 $15, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop16b:
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MOVOU (SRC0)(POS*1), X0
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XORPD (SRC1)(POS*1), X0
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MOVOU X0, (DST)(POS*1)
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ADDQ $16, POS
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CMPQ LEN, POS
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JNE loop16b
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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 $15, 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 $15, 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, $16
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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 bytesSSE2mini(dst, src0, src1 []byte, size int)
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TEXT ·bytesSSE2mini(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 $15, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop16b:
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MOVOU (SRC0)(POS*1), X0
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XORPD (SRC1)(POS*1), X0
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// MOVOU (SRC1)(POS*1), X4
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// PXOR X4, X0
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MOVOU X0, (DST)(POS*1)
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ADDQ $16, POS
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CMPQ LEN, POS
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JNE loop16b
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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 $15, 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 $15, 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, $16
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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 bytesSSE2small(dst, src0, src1 []byte, size int)
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TEXT ·bytesSSE2small(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 $63, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop64b:
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MOVOU (SRC0)(POS*1), X0
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MOVOU 16(SRC0)(POS*1), X1
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MOVOU 32(SRC0)(POS*1), X2
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MOVOU 48(SRC0)(POS*1), X3
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MOVOU (SRC1)(POS*1), X4
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MOVOU 16(SRC1)(POS*1), X5
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MOVOU 32(SRC1)(POS*1), X6
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MOVOU 48(SRC1)(POS*1), X7
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PXOR X4, X0
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PXOR X5, X1
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PXOR X6, X2
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PXOR X7, X3
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MOVOU X0, (DST)(POS*1)
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MOVOU X1, 16(DST)(POS*1)
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MOVOU X2, 32(DST)(POS*1)
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MOVOU X3, 48(DST)(POS*1)
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ADDQ $64, POS
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CMPQ LEN, POS
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JNE loop64b
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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 $63, 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 $63, 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, $64
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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 bytesSSE2big(dst, src0, src1 []byte, size int)
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TEXT ·bytesSSE2big(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 $63, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop64b:
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MOVOU (SRC0)(POS*1), X0
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MOVOU 16(SRC0)(POS*1), X1
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MOVOU 32(SRC0)(POS*1), X2
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MOVOU 48(SRC0)(POS*1), X3
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MOVOU (SRC1)(POS*1), X4
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MOVOU 16(SRC1)(POS*1), X5
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MOVOU 32(SRC1)(POS*1), X6
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MOVOU 48(SRC1)(POS*1), X7
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PXOR X4, X0
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PXOR X5, X1
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PXOR X6, X2
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PXOR X7, X3
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LONG $0xe70f4266; WORD $0x0304 // MOVNTDQ
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LONG $0xe70f4266; WORD $0x034c; BYTE $0x10
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LONG $0xe70f4266; WORD $0x0354; BYTE $0x20
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LONG $0xe70f4266; WORD $0x035c; BYTE $0x30
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ADDQ $64, POS
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CMPQ LEN, POS
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JNE loop64b
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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 $63, 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 $63, 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, $64
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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 matrixSSE2small(dst []byte, src [][]byte)
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TEXT ·matrixSSE2small(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 $63, LEN
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JNZ not_aligned
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aligned:
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MOVQ $0, POS
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loop64b:
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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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MOVOU (TMP3)(POS*1), X0
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MOVOU 16(TMP4)(POS*1), X1
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MOVOU 32(TMP3)(POS*1), X2
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MOVOU 48(TMP4)(POS*1), X3
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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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MOVOU (TMP3)(POS*1), X4
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MOVOU 16(TMP4)(POS*1), X5
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MOVOU 32(TMP3)(POS*1), X6
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MOVOU 48(TMP4)(POS*1), X7
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PXOR X4, X0
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PXOR X5, X1
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PXOR X6, X2
|
||
|
|
PXOR X7, X3
|
||
|
|
SUBQ $1, TMP1
|
||
|
|
JGE next_vect
|
||
|
|
|
||
|
|
MOVOU X0, (DST)(POS*1)
|
||
|
|
MOVOU X1, 16(DST)(POS*1)
|
||
|
|
MOVOU X2, 32(DST)(POS*1)
|
||
|
|
MOVOU X3, 48(DST)(POS*1)
|
||
|
|
|
||
|
|
ADDQ $64, POS
|
||
|
|
CMPQ LEN, POS
|
||
|
|
JNE loop64b
|
||
|
|
RET
|
||
|
|
|
||
|
|
loop_1b:
|
||
|
|
MOVQ VECT, TMP1
|
||
|
|
MOVQ $0, TMP2
|
||
|
|
MOVQ (SRC)(TMP2*1), TMP3
|
||
|
|
SUBQ $2, TMP1
|
||
|
|
MOVB -1(TMP3)(LEN*1), TMP5
|
||
|
|
|
||
|
|
next_vect_1b:
|
||
|
|
ADDQ $24, TMP2
|
||
|
|
MOVQ (SRC)(TMP2*1), TMP3
|
||
|
|
MOVB -1(TMP3)(LEN*1), TMP6
|
||
|
|
XORB TMP6, TMP5
|
||
|
|
SUBQ $1, TMP1
|
||
|
|
JGE next_vect_1b
|
||
|
|
|
||
|
|
MOVB TMP5, -1(DST)(LEN*1)
|
||
|
|
SUBQ $1, LEN
|
||
|
|
TESTQ $7, LEN
|
||
|
|
JNZ loop_1b
|
||
|
|
|
||
|
|
CMPQ LEN, $0
|
||
|
|
JE ret
|
||
|
|
TESTQ $63, LEN
|
||
|
|
JZ aligned
|
||
|
|
|
||
|
|
not_aligned:
|
||
|
|
TESTQ $7, LEN
|
||
|
|
JNE loop_1b
|
||
|
|
MOVQ LEN, TMP4
|
||
|
|
ANDQ $63, TMP4
|
||
|
|
|
||
|
|
loop_8b:
|
||
|
|
MOVQ VECT, TMP1
|
||
|
|
MOVQ $0, TMP2
|
||
|
|
MOVQ (SRC)(TMP2*1), TMP3
|
||
|
|
SUBQ $2, TMP1
|
||
|
|
MOVQ -8(TMP3)(LEN*1), TMP5
|
||
|
|
|
||
|
|
next_vect_8b:
|
||
|
|
ADDQ $24, TMP2
|
||
|
|
MOVQ (SRC)(TMP2*1), TMP3
|
||
|
|
MOVQ -8(TMP3)(LEN*1), TMP6
|
||
|
|
XORQ TMP6, TMP5
|
||
|
|
SUBQ $1, TMP1
|
||
|
|
JGE next_vect_8b
|
||
|
|
|
||
|
|
MOVQ TMP5, -8(DST)(LEN*1)
|
||
|
|
SUBQ $8, LEN
|
||
|
|
SUBQ $8, TMP4
|
||
|
|
JG loop_8b
|
||
|
|
|
||
|
|
CMPQ LEN, $64
|
||
|
|
JGE aligned
|
||
|
|
RET
|
||
|
|
|
||
|
|
ret:
|
||
|
|
RET
|
||
|
|
|
||
|
|
// func matrixSSE2big(dst []byte, src [][]byte)
|
||
|
|
TEXT ·matrixSSE2big(SB), NOSPLIT, $0
|
||
|
|
MOVQ dst+0(FP), DST
|
||
|
|
MOVQ src+24(FP), SRC
|
||
|
|
MOVQ vec+32(FP), VECT
|
||
|
|
MOVQ len+8(FP), LEN
|
||
|
|
TESTQ $63, LEN
|
||
|
|
JNZ not_aligned
|
||
|
|
|
||
|
|
aligned:
|
||
|
|
MOVQ $0, POS
|
||
|
|
|
||
|
|
loop64b:
|
||
|
|
MOVQ VECT, TMP1
|
||
|
|
SUBQ $2, TMP1
|
||
|
|
MOVQ $0, TMP2
|
||
|
|
MOVQ (SRC)(TMP2*1), TMP3
|
||
|
|
MOVQ TMP3, TMP4
|
||
|
|
MOVOU (TMP3)(POS*1), X0
|
||
|
|
MOVOU 16(TMP4)(POS*1), X1
|
||
|
|
MOVOU 32(TMP3)(POS*1), X2
|
||
|
|
MOVOU 48(TMP4)(POS*1), X3
|
||
|
|
|
||
|
|
next_vect:
|
||
|
|
ADDQ $24, TMP2
|
||
|
|
MOVQ (SRC)(TMP2*1), TMP3
|
||
|
|
MOVQ TMP3, TMP4
|
||
|
|
MOVOU (TMP3)(POS*1), X4
|
||
|
|
MOVOU 16(TMP4)(POS*1), X5
|
||
|
|
MOVOU 32(TMP3)(POS*1), X6
|
||
|
|
MOVOU 48(TMP4)(POS*1), X7
|
||
|
|
PXOR X4, X0
|
||
|
|
PXOR X5, X1
|
||
|
|
PXOR X6, X2
|
||
|
|
PXOR X7, X3
|
||
|
|
SUBQ $1, TMP1
|
||
|
|
JGE next_vect
|
||
|
|
|
||
|
|
LONG $0xe70f4266; WORD $0x0304
|
||
|
|
LONG $0xe70f4266; WORD $0x034c; BYTE $0x10
|
||
|
|
LONG $0xe70f4266; WORD $0x0354; BYTE $0x20
|
||
|
|
LONG $0xe70f4266; WORD $0x035c; BYTE $0x30
|
||
|
|
|
||
|
|
ADDQ $64, POS
|
||
|
|
CMPQ LEN, POS
|
||
|
|
JNE loop64b
|
||
|
|
RET
|
||
|
|
|
||
|
|
loop_1b:
|
||
|
|
MOVQ VECT, TMP1
|
||
|
|
MOVQ $0, TMP2
|
||
|
|
MOVQ (SRC)(TMP2*1), TMP3
|
||
|
|
SUBQ $2, TMP1
|
||
|
|
MOVB -1(TMP3)(LEN*1), TMP5
|
||
|
|
|
||
|
|
next_vect_1b:
|
||
|
|
ADDQ $24, TMP2
|
||
|
|
MOVQ (SRC)(TMP2*1), TMP3
|
||
|
|
MOVB -1(TMP3)(LEN*1), TMP6
|
||
|
|
XORB TMP6, TMP5
|
||
|
|
SUBQ $1, TMP1
|
||
|
|
JGE next_vect_1b
|
||
|
|
|
||
|
|
MOVB TMP5, -1(DST)(LEN*1)
|
||
|
|
SUBQ $1, LEN
|
||
|
|
TESTQ $7, LEN
|
||
|
|
JNZ loop_1b
|
||
|
|
|
||
|
|
CMPQ LEN, $0
|
||
|
|
JE ret
|
||
|
|
TESTQ $63, LEN
|
||
|
|
JZ aligned
|
||
|
|
|
||
|
|
not_aligned:
|
||
|
|
TESTQ $7, LEN
|
||
|
|
JNE loop_1b
|
||
|
|
MOVQ LEN, TMP4
|
||
|
|
ANDQ $63, TMP4
|
||
|
|
|
||
|
|
loop_8b:
|
||
|
|
MOVQ VECT, TMP1
|
||
|
|
MOVQ $0, TMP2
|
||
|
|
MOVQ (SRC)(TMP2*1), TMP3
|
||
|
|
SUBQ $2, TMP1
|
||
|
|
MOVQ -8(TMP3)(LEN*1), TMP5
|
||
|
|
|
||
|
|
next_vect_8b:
|
||
|
|
ADDQ $24, TMP2
|
||
|
|
MOVQ (SRC)(TMP2*1), TMP3
|
||
|
|
MOVQ -8(TMP3)(LEN*1), TMP6
|
||
|
|
XORQ TMP6, TMP5
|
||
|
|
SUBQ $1, TMP1
|
||
|
|
JGE next_vect_8b
|
||
|
|
|
||
|
|
MOVQ TMP5, -8(DST)(LEN*1)
|
||
|
|
SUBQ $8, LEN
|
||
|
|
SUBQ $8, TMP4
|
||
|
|
JG loop_8b
|
||
|
|
|
||
|
|
CMPQ LEN, $64
|
||
|
|
JGE aligned
|
||
|
|
RET
|
||
|
|
|
||
|
|
ret:
|
||
|
|
RET
|
||
|
|
|
||
|
|
TEXT ·hasSSE2(SB), NOSPLIT, $0
|
||
|
|
XORQ AX, AX
|
||
|
|
INCL AX
|
||
|
|
CPUID
|
||
|
|
SHRQ $26, DX
|
||
|
|
ANDQ $1, DX
|
||
|
|
MOVB DX, ret+0(FP)
|
||
|
|
RET
|
||
|
|
|