mirror of https://gogs.blitter.com/RLabs/xs
403 lines
9.7 KiB
ArmAsm
403 lines
9.7 KiB
ArmAsm
//+build !noasm
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//+build !appengine
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//+build !gccgo
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// Copyright 2015, Klaus Post, see LICENSE for details.
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// Copyright 2019, Minio, Inc.
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#define LOAD(OFFSET) \
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MOVQ OFFSET(SI), BX \
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VMOVDQU64 (BX)(R11*1), Z0 \
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VPSRLQ $4, Z0, Z1 \ // high input
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VPANDQ Z2, Z0, Z0 \ // low input
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VPANDQ Z2, Z1, Z1 // high input
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#define GALOIS_MUL(MUL_LO, MUL_HI, LO, HI, OUT) \
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VPSHUFB Z0, MUL_LO, LO \ // mul low part
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VPSHUFB Z1, MUL_HI, HI \ // mul high part
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VPTERNLOGD $0x96, LO, HI, OUT
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#define GALOIS(C1, C2, IN, LO, HI, OUT) \
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VSHUFI64X2 $C1, IN, IN, LO \
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VSHUFI64X2 $C2, IN, IN, HI \
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GALOIS_MUL(LO, HI, LO, HI, OUT)
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//
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// Process single output row from a total of 8 input rows
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//
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// func _galMulAVX512Parallel81(in, out [][]byte, matrix *[matrixSize81]byte, addTo bool)
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TEXT ·_galMulAVX512Parallel81(SB), 7, $0
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MOVQ in+0(FP), SI
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MOVQ 8(SI), R9 // R9: len(in)
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SHRQ $6, R9 // len(in) / 64
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TESTQ R9, R9
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JZ done_avx512_parallel81
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MOVQ matrix+48(FP), SI
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VMOVDQU64 0x000(SI), Z16
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VMOVDQU64 0x040(SI), Z17
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VMOVDQU64 0x080(SI), Z18
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VMOVDQU64 0x0c0(SI), Z19
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// Initialize multiplication constants
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VSHUFI64X2 $0x55, Z16, Z16, Z20
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VSHUFI64X2 $0xaa, Z16, Z16, Z24
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VSHUFI64X2 $0xff, Z16, Z16, Z28
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VSHUFI64X2 $0x00, Z16, Z16, Z16
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VSHUFI64X2 $0x55, Z17, Z17, Z21
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VSHUFI64X2 $0xaa, Z17, Z17, Z25
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VSHUFI64X2 $0xff, Z17, Z17, Z29
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VSHUFI64X2 $0x00, Z17, Z17, Z17
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VSHUFI64X2 $0x55, Z18, Z18, Z22
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VSHUFI64X2 $0xaa, Z18, Z18, Z26
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VSHUFI64X2 $0xff, Z18, Z18, Z30
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VSHUFI64X2 $0x00, Z18, Z18, Z18
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VSHUFI64X2 $0x55, Z19, Z19, Z23
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VSHUFI64X2 $0xaa, Z19, Z19, Z27
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VSHUFI64X2 $0xff, Z19, Z19, Z31
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VSHUFI64X2 $0x00, Z19, Z19, Z19
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MOVQ $15, BX
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VPBROADCASTB BX, Z2
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MOVB addTo+56(FP), AX
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IMULQ $-0x1, AX
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KMOVQ AX, K1
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MOVQ in+0(FP), SI // SI: &in
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MOVQ in_len+8(FP), AX // number of inputs
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XORQ R11, R11
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MOVQ out+24(FP), DX
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MOVQ (DX), DX // DX: &out[0][0]
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loopback_avx512_parallel81:
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VMOVDQU64.Z (DX), K1, Z4
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LOAD(0x00) // &in[0][0]
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GALOIS_MUL(Z16, Z20, Z14, Z15, Z4)
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CMPQ AX, $1
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JE skip_avx512_parallel81
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LOAD(0x18) // &in[1][0]
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GALOIS_MUL(Z24, Z28, Z14, Z15, Z4)
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CMPQ AX, $2
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JE skip_avx512_parallel81
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LOAD(0x30) // &in[2][0]
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GALOIS_MUL(Z17, Z21, Z14, Z15, Z4)
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CMPQ AX, $3
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JE skip_avx512_parallel81
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LOAD(0x48) // &in[3][0]
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GALOIS_MUL(Z25, Z29, Z14, Z15, Z4)
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CMPQ AX, $4
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JE skip_avx512_parallel81
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LOAD(0x60) // &in[4][0]
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GALOIS_MUL(Z18, Z22, Z14, Z15, Z4)
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CMPQ AX, $5
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JE skip_avx512_parallel81
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LOAD(0x78) // &in[5][0]
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GALOIS_MUL(Z26, Z30, Z14, Z15, Z4)
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CMPQ AX, $6
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JE skip_avx512_parallel81
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LOAD(0x90) // &in[6][0]
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GALOIS_MUL(Z19, Z23, Z14, Z15, Z4)
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CMPQ AX, $7
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JE skip_avx512_parallel81
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LOAD(0xa8) // &in[7][0]
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GALOIS_MUL(Z27, Z31, Z14, Z15, Z4)
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skip_avx512_parallel81:
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VMOVDQU64 Z4, (DX)
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ADDQ $64, R11 // in4+=64
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ADDQ $64, DX // out+=64
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SUBQ $1, R9
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JNZ loopback_avx512_parallel81
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done_avx512_parallel81:
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VZEROUPPER
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RET
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//
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// Process 2 output rows in parallel from a total of 8 input rows
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//
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// func _galMulAVX512Parallel82(in, out [][]byte, matrix *[matrixSize82]byte, addTo bool)
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TEXT ·_galMulAVX512Parallel82(SB), 7, $0
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MOVQ in+0(FP), SI
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MOVQ 8(SI), R9 // R9: len(in)
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SHRQ $6, R9 // len(in) / 64
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TESTQ R9, R9
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JZ done_avx512_parallel82
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MOVQ matrix+48(FP), SI
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VMOVDQU64 0x000(SI), Z16
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VMOVDQU64 0x040(SI), Z17
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VMOVDQU64 0x080(SI), Z18
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VMOVDQU64 0x0c0(SI), Z19
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VMOVDQU64 0x100(SI), Z20
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VMOVDQU64 0x140(SI), Z21
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VMOVDQU64 0x180(SI), Z22
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VMOVDQU64 0x1c0(SI), Z23
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// Initialize multiplication constants
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VSHUFI64X2 $0x55, Z16, Z16, Z24
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VSHUFI64X2 $0xaa, Z16, Z16, Z25
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VSHUFI64X2 $0xff, Z16, Z16, Z26
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VSHUFI64X2 $0x00, Z16, Z16, Z16
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VSHUFI64X2 $0x55, Z20, Z20, Z27
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VSHUFI64X2 $0xaa, Z20, Z20, Z28
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VSHUFI64X2 $0xff, Z20, Z20, Z29
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VSHUFI64X2 $0x00, Z20, Z20, Z20
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VSHUFI64X2 $0x55, Z17, Z17, Z30
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VSHUFI64X2 $0xaa, Z17, Z17, Z31
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VSHUFI64X2 $0xff, Z17, Z17, Z11
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VSHUFI64X2 $0x00, Z17, Z17, Z17
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VSHUFI64X2 $0x55, Z21, Z21, Z8
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VSHUFI64X2 $0xaa, Z21, Z21, Z9
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VSHUFI64X2 $0xff, Z21, Z21, Z10
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VSHUFI64X2 $0x00, Z21, Z21, Z21
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MOVQ $15, BX
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VPBROADCASTB BX, Z2
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MOVB addTo+56(FP), AX
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IMULQ $-0x1, AX
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KMOVQ AX, K1
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MOVQ in+0(FP), SI // SI: &in
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MOVQ in_len+8(FP), AX // number of inputs
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XORQ R11, R11
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MOVQ out+24(FP), DX
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MOVQ 24(DX), CX // CX: &out[1][0]
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MOVQ (DX), DX // DX: &out[0][0]
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loopback_avx512_parallel82:
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VMOVDQU64.Z (DX), K1, Z4
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VMOVDQU64.Z (CX), K1, Z5
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LOAD(0x00) // &in[0][0]
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GALOIS_MUL(Z16, Z24, Z14, Z15, Z4)
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GALOIS_MUL(Z20, Z27, Z12, Z13, Z5)
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CMPQ AX, $1
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JE skip_avx512_parallel82
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LOAD(0x18) // &in[1][0]
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GALOIS_MUL(Z25, Z26, Z14, Z15, Z4)
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GALOIS_MUL(Z28, Z29, Z12, Z13, Z5)
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CMPQ AX, $2
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JE skip_avx512_parallel82
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LOAD(0x30) // &in[2][0]
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GALOIS_MUL(Z17, Z30, Z14, Z15, Z4)
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GALOIS_MUL(Z21, Z8, Z12, Z13, Z5)
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CMPQ AX, $3
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JE skip_avx512_parallel82
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LOAD(0x48) // &in[3][0]
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GALOIS_MUL(Z31, Z11, Z14, Z15, Z4)
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GALOIS_MUL(Z9, Z10, Z12, Z13, Z5)
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CMPQ AX, $4
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JE skip_avx512_parallel82
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LOAD(0x60) // &in[4][0]
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GALOIS(0x00, 0x55, Z18, Z14, Z15, Z4)
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GALOIS(0x00, 0x55, Z22, Z12, Z13, Z5)
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CMPQ AX, $5
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JE skip_avx512_parallel82
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LOAD(0x78) // &in[5][0]
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GALOIS(0xaa, 0xff, Z18, Z14, Z15, Z4)
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GALOIS(0xaa, 0xff, Z22, Z12, Z13, Z5)
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CMPQ AX, $6
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JE skip_avx512_parallel82
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LOAD(0x90) // &in[6][0]
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GALOIS(0x00, 0x55, Z19, Z14, Z15, Z4)
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GALOIS(0x00, 0x55, Z23, Z12, Z13, Z5)
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CMPQ AX, $7
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JE skip_avx512_parallel82
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LOAD(0xa8) // &in[7][0]
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GALOIS(0xaa, 0xff, Z19, Z14, Z15, Z4)
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GALOIS(0xaa, 0xff, Z23, Z12, Z13, Z5)
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skip_avx512_parallel82:
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VMOVDQU64 Z4, (DX)
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VMOVDQU64 Z5, (CX)
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ADDQ $64, R11 // in4+=64
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ADDQ $64, DX // out+=64
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ADDQ $64, CX // out2+=64
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SUBQ $1, R9
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JNZ loopback_avx512_parallel82
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done_avx512_parallel82:
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VZEROUPPER
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RET
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//
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// Process 4 output rows in parallel from a total of 8 input rows
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//
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// func _galMulAVX512Parallel84(in, out [][]byte, matrix *[matrixSize84]byte, addTo bool)
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TEXT ·_galMulAVX512Parallel84(SB), 7, $0
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MOVQ in+0(FP), SI
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MOVQ 8(SI), R9 // R9: len(in)
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SHRQ $6, R9 // len(in) / 64
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TESTQ R9, R9
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JZ done_avx512_parallel84
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MOVQ matrix+48(FP), SI
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VMOVDQU64 0x000(SI), Z16
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VMOVDQU64 0x040(SI), Z17
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VMOVDQU64 0x080(SI), Z18
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VMOVDQU64 0x0c0(SI), Z19
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VMOVDQU64 0x100(SI), Z20
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VMOVDQU64 0x140(SI), Z21
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VMOVDQU64 0x180(SI), Z22
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VMOVDQU64 0x1c0(SI), Z23
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VMOVDQU64 0x200(SI), Z24
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VMOVDQU64 0x240(SI), Z25
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VMOVDQU64 0x280(SI), Z26
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VMOVDQU64 0x2c0(SI), Z27
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VMOVDQU64 0x300(SI), Z28
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VMOVDQU64 0x340(SI), Z29
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VMOVDQU64 0x380(SI), Z30
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VMOVDQU64 0x3c0(SI), Z31
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MOVQ $15, BX
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VPBROADCASTB BX, Z2
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MOVB addTo+56(FP), AX
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IMULQ $-0x1, AX
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KMOVQ AX, K1
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MOVQ in+0(FP), SI // SI: &in
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MOVQ in_len+8(FP), AX // number of inputs
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XORQ R11, R11
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MOVQ out+24(FP), DX
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MOVQ 24(DX), CX // CX: &out[1][0]
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MOVQ 48(DX), R10 // R10: &out[2][0]
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MOVQ 72(DX), R12 // R12: &out[3][0]
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MOVQ (DX), DX // DX: &out[0][0]
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loopback_avx512_parallel84:
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VMOVDQU64.Z (DX), K1, Z4
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VMOVDQU64.Z (CX), K1, Z5
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VMOVDQU64.Z (R10), K1, Z6
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VMOVDQU64.Z (R12), K1, Z7
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LOAD(0x00) // &in[0][0]
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GALOIS(0x00, 0x55, Z16, Z14, Z15, Z4)
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GALOIS(0x00, 0x55, Z20, Z12, Z13, Z5)
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GALOIS(0x00, 0x55, Z24, Z10, Z11, Z6)
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GALOIS(0x00, 0x55, Z28, Z8, Z9, Z7)
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CMPQ AX, $1
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JE skip_avx512_parallel84
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LOAD(0x18) // &in[1][0]
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GALOIS(0xaa, 0xff, Z16, Z14, Z15, Z4)
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GALOIS(0xaa, 0xff, Z20, Z12, Z13, Z5)
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GALOIS(0xaa, 0xff, Z24, Z10, Z11, Z6)
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GALOIS(0xaa, 0xff, Z28, Z8, Z9, Z7)
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CMPQ AX, $2
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JE skip_avx512_parallel84
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LOAD(0x30) // &in[2][0]
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GALOIS(0x00, 0x55, Z17, Z14, Z15, Z4)
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GALOIS(0x00, 0x55, Z21, Z12, Z13, Z5)
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GALOIS(0x00, 0x55, Z25, Z10, Z11, Z6)
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GALOIS(0x00, 0x55, Z29, Z8, Z9, Z7)
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CMPQ AX, $3
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JE skip_avx512_parallel84
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LOAD(0x48) // &in[3][0]
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GALOIS(0xaa, 0xff, Z17, Z14, Z15, Z4)
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GALOIS(0xaa, 0xff, Z21, Z12, Z13, Z5)
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GALOIS(0xaa, 0xff, Z25, Z10, Z11, Z6)
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GALOIS(0xaa, 0xff, Z29, Z8, Z9, Z7)
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CMPQ AX, $4
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JE skip_avx512_parallel84
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LOAD(0x60) // &in[4][0]
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GALOIS(0x00, 0x55, Z18, Z14, Z15, Z4)
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GALOIS(0x00, 0x55, Z22, Z12, Z13, Z5)
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GALOIS(0x00, 0x55, Z26, Z10, Z11, Z6)
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GALOIS(0x00, 0x55, Z30, Z8, Z9, Z7)
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CMPQ AX, $5
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JE skip_avx512_parallel84
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LOAD(0x78) // &in[5][0]
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GALOIS(0xaa, 0xff, Z18, Z14, Z15, Z4)
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GALOIS(0xaa, 0xff, Z22, Z12, Z13, Z5)
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GALOIS(0xaa, 0xff, Z26, Z10, Z11, Z6)
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GALOIS(0xaa, 0xff, Z30, Z8, Z9, Z7)
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CMPQ AX, $6
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JE skip_avx512_parallel84
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LOAD(0x90) // &in[6][0]
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GALOIS(0x00, 0x55, Z19, Z14, Z15, Z4)
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GALOIS(0x00, 0x55, Z23, Z12, Z13, Z5)
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GALOIS(0x00, 0x55, Z27, Z10, Z11, Z6)
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GALOIS(0x00, 0x55, Z31, Z8, Z9, Z7)
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CMPQ AX, $7
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JE skip_avx512_parallel84
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LOAD(0xa8) // &in[7][0]
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GALOIS(0xaa, 0xff, Z19, Z14, Z15, Z4)
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GALOIS(0xaa, 0xff, Z23, Z12, Z13, Z5)
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GALOIS(0xaa, 0xff, Z27, Z10, Z11, Z6)
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GALOIS(0xaa, 0xff, Z31, Z8, Z9, Z7)
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skip_avx512_parallel84:
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VMOVDQU64 Z4, (DX)
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VMOVDQU64 Z5, (CX)
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VMOVDQU64 Z6, (R10)
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VMOVDQU64 Z7, (R12)
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ADDQ $64, R11 // in4+=64
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ADDQ $64, DX // out+=64
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ADDQ $64, CX // out2+=64
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ADDQ $64, R10 // out3+=64
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ADDQ $64, R12 // out4+=64
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SUBQ $1, R9
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JNZ loopback_avx512_parallel84
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done_avx512_parallel84:
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VZEROUPPER
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RET
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