304 lines
6.0 KiB
ArmAsm
304 lines
6.0 KiB
ArmAsm
// Copyright 2016 Tom Thorogood. All rights reserved.
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// Use of this source code is governed by a
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// Modified BSD License license that can be found in
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// the LICENSE file.
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//
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// Copyright 2005-2016, Wojciech Muła. All rights reserved.
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// Use of this source code is governed by a
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// Simplified BSD License license that can be found in
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// the LICENSE file.
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//
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// This file is auto-generated - do not modify
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// +build amd64,!gccgo,!appengine
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#include "textflag.h"
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DATA decodeBase<>+0x00(SB)/8, $0x3030303030303030
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DATA decodeBase<>+0x08(SB)/8, $0x3030303030303030
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DATA decodeBase<>+0x10(SB)/8, $0x2727272727272727
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DATA decodeBase<>+0x18(SB)/8, $0x2727272727272727
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GLOBL decodeBase<>(SB),RODATA,$32
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DATA decodeToLower<>+0x00(SB)/8, $0x2020202020202020
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DATA decodeToLower<>+0x08(SB)/8, $0x2020202020202020
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GLOBL decodeToLower<>(SB),RODATA,$16
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DATA decodeHigh<>+0x00(SB)/8, $0x0e0c0a0806040200
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DATA decodeHigh<>+0x08(SB)/8, $0xffffffffffffffff
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GLOBL decodeHigh<>(SB),RODATA,$16
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DATA decodeLow<>+0x00(SB)/8, $0x0f0d0b0907050301
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DATA decodeLow<>+0x08(SB)/8, $0xffffffffffffffff
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GLOBL decodeLow<>(SB),RODATA,$16
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DATA decodeValid<>+0x00(SB)/8, $0xb0b0b0b0b0b0b0b0
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DATA decodeValid<>+0x08(SB)/8, $0xb0b0b0b0b0b0b0b0
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DATA decodeValid<>+0x10(SB)/8, $0xb9b9b9b9b9b9b9b9
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DATA decodeValid<>+0x18(SB)/8, $0xb9b9b9b9b9b9b9b9
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DATA decodeValid<>+0x20(SB)/8, $0xe1e1e1e1e1e1e1e1
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DATA decodeValid<>+0x28(SB)/8, $0xe1e1e1e1e1e1e1e1
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DATA decodeValid<>+0x30(SB)/8, $0xe6e6e6e6e6e6e6e6
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DATA decodeValid<>+0x38(SB)/8, $0xe6e6e6e6e6e6e6e6
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GLOBL decodeValid<>(SB),RODATA,$64
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DATA decodeToSigned<>+0x00(SB)/8, $0x8080808080808080
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DATA decodeToSigned<>+0x08(SB)/8, $0x8080808080808080
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GLOBL decodeToSigned<>(SB),RODATA,$16
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TEXT ·decodeAVX(SB),NOSPLIT,$0
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MOVQ dst+0(FP), DI
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MOVQ src+8(FP), SI
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MOVQ len+16(FP), BX
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MOVQ SI, R15
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MOVOU decodeValid<>(SB), X14
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MOVOU decodeValid<>+0x20(SB), X15
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MOVW $65535, DX
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CMPQ BX, $16
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JB tail
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bigloop:
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MOVOU (SI), X0
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VPXOR decodeToSigned<>(SB), X0, X1
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POR decodeToLower<>(SB), X0
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VPXOR decodeToSigned<>(SB), X0, X2
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VPCMPGTB X1, X14, X3
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PCMPGTB decodeValid<>+0x10(SB), X1
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VPCMPGTB X2, X15, X4
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PCMPGTB decodeValid<>+0x30(SB), X2
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PAND X4, X1
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POR X2, X3
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POR X1, X3
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PMOVMSKB X3, AX
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TESTW AX, DX
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JNZ invalid
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PSUBB decodeBase<>(SB), X0
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PANDN decodeBase<>+0x10(SB), X4
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PSUBB X4, X0
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VPSHUFB decodeLow<>(SB), X0, X3
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PSHUFB decodeHigh<>(SB), X0
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PSLLW $4, X0
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POR X3, X0
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MOVQ X0, (DI)
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SUBQ $16, BX
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JZ ret
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ADDQ $16, SI
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ADDQ $8, DI
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CMPQ BX, $16
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JAE bigloop
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tail:
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MOVQ $16, CX
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SUBQ BX, CX
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SHRW CX, DX
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CMPQ BX, $4
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JB tail_in_2
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JE tail_in_4
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CMPQ BX, $8
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JB tail_in_6
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JE tail_in_8
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CMPQ BX, $12
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JB tail_in_10
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JE tail_in_12
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tail_in_14:
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PINSRW $6, 12(SI), X0
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tail_in_12:
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PINSRW $5, 10(SI), X0
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tail_in_10:
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PINSRW $4, 8(SI), X0
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tail_in_8:
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PINSRQ $0, (SI), X0
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JMP tail_conv
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tail_in_6:
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PINSRW $2, 4(SI), X0
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tail_in_4:
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PINSRW $1, 2(SI), X0
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tail_in_2:
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PINSRW $0, (SI), X0
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tail_conv:
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VPXOR decodeToSigned<>(SB), X0, X1
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POR decodeToLower<>(SB), X0
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VPXOR decodeToSigned<>(SB), X0, X2
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VPCMPGTB X1, X14, X3
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PCMPGTB decodeValid<>+0x10(SB), X1
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VPCMPGTB X2, X15, X4
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PCMPGTB decodeValid<>+0x30(SB), X2
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PAND X4, X1
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POR X2, X3
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POR X1, X3
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PMOVMSKB X3, AX
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TESTW AX, DX
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JNZ invalid
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PSUBB decodeBase<>(SB), X0
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PANDN decodeBase<>+0x10(SB), X4
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PSUBB X4, X0
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VPSHUFB decodeLow<>(SB), X0, X3
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PSHUFB decodeHigh<>(SB), X0
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PSLLW $4, X0
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POR X3, X0
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CMPQ BX, $4
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JB tail_out_2
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JE tail_out_4
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CMPQ BX, $8
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JB tail_out_6
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JE tail_out_8
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CMPQ BX, $12
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JB tail_out_10
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JE tail_out_12
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tail_out_14:
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PEXTRB $6, X0, 6(DI)
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tail_out_12:
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PEXTRB $5, X0, 5(DI)
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tail_out_10:
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PEXTRB $4, X0, 4(DI)
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tail_out_8:
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MOVL X0, (DI)
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JMP ret
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tail_out_6:
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PEXTRB $2, X0, 2(DI)
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tail_out_4:
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PEXTRB $1, X0, 1(DI)
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tail_out_2:
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PEXTRB $0, X0, (DI)
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ret:
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MOVB $1, ok+32(FP)
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RET
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invalid:
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BSFW AX, AX
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SUBQ R15, SI
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ADDQ SI, AX
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MOVQ AX, n+24(FP)
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MOVB $0, ok+32(FP)
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RET
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TEXT ·decodeSSE(SB),NOSPLIT,$0
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MOVQ dst+0(FP), DI
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MOVQ src+8(FP), SI
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MOVQ len+16(FP), BX
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MOVQ SI, R15
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MOVOU decodeValid<>(SB), X14
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MOVOU decodeValid<>+0x20(SB), X15
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MOVW $65535, DX
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CMPQ BX, $16
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JB tail
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bigloop:
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MOVOU (SI), X0
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MOVOU X0, X1
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PXOR decodeToSigned<>(SB), X1
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POR decodeToLower<>(SB), X0
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MOVOU X0, X2
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PXOR decodeToSigned<>(SB), X2
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MOVOU X14, X3
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PCMPGTB X1, X3
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PCMPGTB decodeValid<>+0x10(SB), X1
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MOVOU X15, X4
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PCMPGTB X2, X4
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PCMPGTB decodeValid<>+0x30(SB), X2
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PAND X4, X1
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POR X2, X3
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POR X1, X3
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PMOVMSKB X3, AX
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TESTW AX, DX
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JNZ invalid
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PSUBB decodeBase<>(SB), X0
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PANDN decodeBase<>+0x10(SB), X4
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PSUBB X4, X0
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MOVOU X0, X3
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PSHUFB decodeLow<>(SB), X3
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PSHUFB decodeHigh<>(SB), X0
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PSLLW $4, X0
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POR X3, X0
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MOVQ X0, (DI)
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SUBQ $16, BX
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JZ ret
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ADDQ $16, SI
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ADDQ $8, DI
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CMPQ BX, $16
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JAE bigloop
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tail:
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MOVQ $16, CX
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SUBQ BX, CX
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SHRW CX, DX
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CMPQ BX, $4
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JB tail_in_2
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JE tail_in_4
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CMPQ BX, $8
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JB tail_in_6
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JE tail_in_8
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CMPQ BX, $12
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JB tail_in_10
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JE tail_in_12
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tail_in_14:
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PINSRW $6, 12(SI), X0
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tail_in_12:
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PINSRW $5, 10(SI), X0
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tail_in_10:
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PINSRW $4, 8(SI), X0
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tail_in_8:
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PINSRQ $0, (SI), X0
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JMP tail_conv
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tail_in_6:
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PINSRW $2, 4(SI), X0
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tail_in_4:
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PINSRW $1, 2(SI), X0
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tail_in_2:
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PINSRW $0, (SI), X0
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tail_conv:
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MOVOU X0, X1
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PXOR decodeToSigned<>(SB), X1
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POR decodeToLower<>(SB), X0
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MOVOU X0, X2
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PXOR decodeToSigned<>(SB), X2
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MOVOU X14, X3
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PCMPGTB X1, X3
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PCMPGTB decodeValid<>+0x10(SB), X1
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MOVOU X15, X4
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PCMPGTB X2, X4
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PCMPGTB decodeValid<>+0x30(SB), X2
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PAND X4, X1
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POR X2, X3
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POR X1, X3
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PMOVMSKB X3, AX
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TESTW AX, DX
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JNZ invalid
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PSUBB decodeBase<>(SB), X0
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PANDN decodeBase<>+0x10(SB), X4
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PSUBB X4, X0
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MOVOU X0, X3
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PSHUFB decodeLow<>(SB), X3
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PSHUFB decodeHigh<>(SB), X0
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PSLLW $4, X0
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POR X3, X0
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CMPQ BX, $4
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JB tail_out_2
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JE tail_out_4
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CMPQ BX, $8
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JB tail_out_6
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JE tail_out_8
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CMPQ BX, $12
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JB tail_out_10
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JE tail_out_12
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tail_out_14:
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PEXTRB $6, X0, 6(DI)
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tail_out_12:
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PEXTRB $5, X0, 5(DI)
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tail_out_10:
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PEXTRB $4, X0, 4(DI)
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tail_out_8:
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MOVL X0, (DI)
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JMP ret
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tail_out_6:
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PEXTRB $2, X0, 2(DI)
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tail_out_4:
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PEXTRB $1, X0, 1(DI)
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tail_out_2:
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PEXTRB $0, X0, (DI)
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ret:
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MOVB $1, ok+32(FP)
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RET
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invalid:
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BSFW AX, AX
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SUBQ R15, SI
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ADDQ SI, AX
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MOVQ AX, n+24(FP)
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MOVB $0, ok+32(FP)
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RET
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