You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
228 lines
3.8 KiB
228 lines
3.8 KiB
// Copyright 2016 Tom Thorogood. All rights reserved.
|
|
// Use of this source code is governed by a
|
|
// Modified BSD License license that can be found in
|
|
// the LICENSE file.
|
|
//
|
|
// Copyright 2005-2016, Wojciech Muła. All rights reserved.
|
|
// Use of this source code is governed by a
|
|
// Simplified BSD License license that can be found in
|
|
// the LICENSE file.
|
|
//
|
|
// This file is auto-generated - do not modify
|
|
|
|
// +build amd64,!gccgo,!appengine
|
|
|
|
#include "textflag.h"
|
|
|
|
DATA encodeMask<>+0x00(SB)/8, $0x0f0f0f0f0f0f0f0f
|
|
DATA encodeMask<>+0x08(SB)/8, $0x0f0f0f0f0f0f0f0f
|
|
GLOBL encodeMask<>(SB),RODATA,$16
|
|
|
|
TEXT ·encodeAVX(SB),NOSPLIT,$0
|
|
MOVQ dst+0(FP), DI
|
|
MOVQ src+8(FP), SI
|
|
MOVQ len+16(FP), BX
|
|
MOVQ alpha+24(FP), DX
|
|
MOVOU (DX), X15
|
|
CMPQ BX, $16
|
|
JB tail
|
|
bigloop:
|
|
MOVOU -16(SI)(BX*1), X0
|
|
VPAND encodeMask<>(SB), X0, X1
|
|
PSRLW $4, X0
|
|
PAND encodeMask<>(SB), X0
|
|
VPUNPCKHBW X1, X0, X3
|
|
PUNPCKLBW X1, X0
|
|
VPSHUFB X0, X15, X1
|
|
VPSHUFB X3, X15, X2
|
|
MOVOU X2, -16(DI)(BX*2)
|
|
MOVOU X1, -32(DI)(BX*2)
|
|
SUBQ $16, BX
|
|
JZ ret
|
|
CMPQ BX, $16
|
|
JAE bigloop
|
|
tail:
|
|
CMPQ BX, $2
|
|
JB tail_in_1
|
|
JE tail_in_2
|
|
CMPQ BX, $4
|
|
JB tail_in_3
|
|
JE tail_in_4
|
|
CMPQ BX, $6
|
|
JB tail_in_5
|
|
JE tail_in_6
|
|
CMPQ BX, $8
|
|
JB tail_in_7
|
|
tail_in_8:
|
|
MOVQ (SI), X0
|
|
JMP tail_conv
|
|
tail_in_7:
|
|
PINSRB $6, 6(SI), X0
|
|
tail_in_6:
|
|
PINSRB $5, 5(SI), X0
|
|
tail_in_5:
|
|
PINSRB $4, 4(SI), X0
|
|
tail_in_4:
|
|
PINSRD $0, (SI), X0
|
|
JMP tail_conv
|
|
tail_in_3:
|
|
PINSRB $2, 2(SI), X0
|
|
tail_in_2:
|
|
PINSRB $1, 1(SI), X0
|
|
tail_in_1:
|
|
PINSRB $0, (SI), X0
|
|
tail_conv:
|
|
VPAND encodeMask<>(SB), X0, X1
|
|
PSRLW $4, X0
|
|
PAND encodeMask<>(SB), X0
|
|
PUNPCKLBW X1, X0
|
|
VPSHUFB X0, X15, X1
|
|
CMPQ BX, $2
|
|
JB tail_out_1
|
|
JE tail_out_2
|
|
CMPQ BX, $4
|
|
JB tail_out_3
|
|
JE tail_out_4
|
|
CMPQ BX, $6
|
|
JB tail_out_5
|
|
JE tail_out_6
|
|
CMPQ BX, $8
|
|
JB tail_out_7
|
|
tail_out_8:
|
|
MOVOU X1, (DI)
|
|
SUBQ $8, BX
|
|
JZ ret
|
|
ADDQ $8, SI
|
|
ADDQ $16, DI
|
|
JMP tail
|
|
tail_out_7:
|
|
PEXTRB $13, X1, 13(DI)
|
|
PEXTRB $12, X1, 12(DI)
|
|
tail_out_6:
|
|
PEXTRB $11, X1, 11(DI)
|
|
PEXTRB $10, X1, 10(DI)
|
|
tail_out_5:
|
|
PEXTRB $9, X1, 9(DI)
|
|
PEXTRB $8, X1, 8(DI)
|
|
tail_out_4:
|
|
MOVQ X1, (DI)
|
|
RET
|
|
tail_out_3:
|
|
PEXTRB $5, X1, 5(DI)
|
|
PEXTRB $4, X1, 4(DI)
|
|
tail_out_2:
|
|
PEXTRB $3, X1, 3(DI)
|
|
PEXTRB $2, X1, 2(DI)
|
|
tail_out_1:
|
|
PEXTRB $1, X1, 1(DI)
|
|
PEXTRB $0, X1, (DI)
|
|
ret:
|
|
RET
|
|
|
|
TEXT ·encodeSSE(SB),NOSPLIT,$0
|
|
MOVQ dst+0(FP), DI
|
|
MOVQ src+8(FP), SI
|
|
MOVQ len+16(FP), BX
|
|
MOVQ alpha+24(FP), DX
|
|
MOVOU (DX), X15
|
|
CMPQ BX, $16
|
|
JB tail
|
|
bigloop:
|
|
MOVOU -16(SI)(BX*1), X0
|
|
MOVOU X0, X1
|
|
PAND encodeMask<>(SB), X1
|
|
PSRLW $4, X0
|
|
PAND encodeMask<>(SB), X0
|
|
MOVOU X0, X3
|
|
PUNPCKHBW X1, X3
|
|
PUNPCKLBW X1, X0
|
|
MOVOU X15, X1
|
|
PSHUFB X0, X1
|
|
MOVOU X15, X2
|
|
PSHUFB X3, X2
|
|
MOVOU X2, -16(DI)(BX*2)
|
|
MOVOU X1, -32(DI)(BX*2)
|
|
SUBQ $16, BX
|
|
JZ ret
|
|
CMPQ BX, $16
|
|
JAE bigloop
|
|
tail:
|
|
CMPQ BX, $2
|
|
JB tail_in_1
|
|
JE tail_in_2
|
|
CMPQ BX, $4
|
|
JB tail_in_3
|
|
JE tail_in_4
|
|
CMPQ BX, $6
|
|
JB tail_in_5
|
|
JE tail_in_6
|
|
CMPQ BX, $8
|
|
JB tail_in_7
|
|
tail_in_8:
|
|
MOVQ (SI), X0
|
|
JMP tail_conv
|
|
tail_in_7:
|
|
PINSRB $6, 6(SI), X0
|
|
tail_in_6:
|
|
PINSRB $5, 5(SI), X0
|
|
tail_in_5:
|
|
PINSRB $4, 4(SI), X0
|
|
tail_in_4:
|
|
PINSRD $0, (SI), X0
|
|
JMP tail_conv
|
|
tail_in_3:
|
|
PINSRB $2, 2(SI), X0
|
|
tail_in_2:
|
|
PINSRB $1, 1(SI), X0
|
|
tail_in_1:
|
|
PINSRB $0, (SI), X0
|
|
tail_conv:
|
|
MOVOU X0, X1
|
|
PAND encodeMask<>(SB), X1
|
|
PSRLW $4, X0
|
|
PAND encodeMask<>(SB), X0
|
|
PUNPCKLBW X1, X0
|
|
MOVOU X15, X1
|
|
PSHUFB X0, X1
|
|
CMPQ BX, $2
|
|
JB tail_out_1
|
|
JE tail_out_2
|
|
CMPQ BX, $4
|
|
JB tail_out_3
|
|
JE tail_out_4
|
|
CMPQ BX, $6
|
|
JB tail_out_5
|
|
JE tail_out_6
|
|
CMPQ BX, $8
|
|
JB tail_out_7
|
|
tail_out_8:
|
|
MOVOU X1, (DI)
|
|
SUBQ $8, BX
|
|
JZ ret
|
|
ADDQ $8, SI
|
|
ADDQ $16, DI
|
|
JMP tail
|
|
tail_out_7:
|
|
PEXTRB $13, X1, 13(DI)
|
|
PEXTRB $12, X1, 12(DI)
|
|
tail_out_6:
|
|
PEXTRB $11, X1, 11(DI)
|
|
PEXTRB $10, X1, 10(DI)
|
|
tail_out_5:
|
|
PEXTRB $9, X1, 9(DI)
|
|
PEXTRB $8, X1, 8(DI)
|
|
tail_out_4:
|
|
MOVQ X1, (DI)
|
|
RET
|
|
tail_out_3:
|
|
PEXTRB $5, X1, 5(DI)
|
|
PEXTRB $4, X1, 4(DI)
|
|
tail_out_2:
|
|
PEXTRB $3, X1, 3(DI)
|
|
PEXTRB $2, X1, 2(DI)
|
|
tail_out_1:
|
|
PEXTRB $1, X1, 1(DI)
|
|
PEXTRB $0, X1, (DI)
|
|
ret:
|
|
RET
|