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crypto/internal/fips140/subtle: add assembly implementation of xorBytes for mipsx

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goos: linux
goarch: mipsle
pkg: crypto/subtle
                                     │   osubtle    │              nsubtle               │
                                     │    sec/op    │   sec/op     vs base               │
ConstantTimeByteEq-4                    2.785n ± 0%   2.785n ± 0%        ~ (p=0.876 n=8)
ConstantTimeEq-4                        3.342n ± 0%   3.341n ± 0%        ~ (p=0.258 n=8)
ConstantTimeLessOrEq-4                  3.341n ± 0%   3.340n ± 0%        ~ (p=0.370 n=8)
XORBytes/8Bytes-4                      117.80n ± 0%   27.02n ± 2%  -77.07% (p=0.000 n=8)
XORBytes/128Bytes-4                    176.60n ± 0%   58.42n ± 4%  -66.92% (p=0.000 n=8)
XORBytes/2048Bytes-4                    996.5n ± 0%   462.4n ± 0%  -53.60% (p=0.000 n=8)
XORBytes/8192Bytes-4                    3.568µ ± 0%   1.780µ ± 2%  -50.13% (p=0.000 n=8)
XORBytes/32768Bytes-4                   19.34µ ± 6%   10.52µ ± 5%  -45.60% (p=0.000 n=8)
XORBytesAlignment/8Bytes0Offset-4      127.50n ± 0%   28.31n ± 1%  -77.80% (p=0.000 n=8)
XORBytesAlignment/8Bytes1Offset-4      105.65n ± 1%   28.20n ± 1%  -73.30% (p=0.000 n=8)
XORBytesAlignment/8Bytes2Offset-4      105.55n ± 1%   28.34n ± 1%  -73.15% (p=0.000 n=8)
XORBytesAlignment/8Bytes3Offset-4      105.65n ± 0%   28.45n ± 1%  -73.07% (p=0.000 n=8)
XORBytesAlignment/8Bytes4Offset-4      127.60n ± 0%   28.19n ± 1%  -77.91% (p=0.000 n=8)
XORBytesAlignment/8Bytes5Offset-4      105.45n ± 0%   28.38n ± 1%  -73.09% (p=0.000 n=8)
XORBytesAlignment/8Bytes6Offset-4      105.55n ± 0%   28.27n ± 1%  -73.22% (p=0.000 n=8)
XORBytesAlignment/8Bytes7Offset-4      105.60n ± 0%   28.24n ± 1%  -73.26% (p=0.000 n=8)
XORBytesAlignment/128Bytes0Offset-4    178.25n ± 0%   59.57n ± 0%  -66.58% (p=0.000 n=8)
XORBytesAlignment/128Bytes1Offset-4    313.25n ± 0%   75.32n ± 0%  -75.96% (p=0.000 n=8)
XORBytesAlignment/128Bytes2Offset-4    313.75n ± 0%   75.34n ± 0%  -75.99% (p=0.000 n=8)
XORBytesAlignment/128Bytes3Offset-4    314.25n ± 0%   75.31n ± 0%  -76.04% (p=0.000 n=8)
XORBytesAlignment/128Bytes4Offset-4    178.25n ± 0%   59.57n ± 0%  -66.58% (p=0.000 n=8)
XORBytesAlignment/128Bytes5Offset-4    314.20n ± 0%   75.80n ± 1%  -75.88% (p=0.000 n=8)
XORBytesAlignment/128Bytes6Offset-4    313.30n ± 0%   75.56n ± 0%  -75.88% (p=0.000 n=8)
XORBytesAlignment/128Bytes7Offset-4    313.95n ± 0%   75.45n ± 0%  -75.97% (p=0.000 n=8)
XORBytesAlignment/2048Bytes0Offset-4   1002.5n ± 0%   455.3n ± 0%  -54.58% (p=0.000 n=8)
XORBytesAlignment/2048Bytes1Offset-4   3649.5n ± 0%   731.6n ± 0%  -79.95% (p=0.000 n=8)
XORBytesAlignment/2048Bytes2Offset-4   3645.0n ± 0%   731.5n ± 0%  -79.93% (p=0.000 n=8)
XORBytesAlignment/2048Bytes3Offset-4   3656.0n ± 0%   731.6n ± 0%  -79.99% (p=0.000 n=8)
XORBytesAlignment/2048Bytes4Offset-4   1003.0n ± 0%   455.6n ± 0%  -54.58% (p=0.000 n=8)
XORBytesAlignment/2048Bytes5Offset-4   3651.5n ± 1%   736.6n ± 0%  -79.83% (p=0.000 n=8)
XORBytesAlignment/2048Bytes6Offset-4   3647.5n ± 0%   736.4n ± 0%  -79.81% (p=0.000 n=8)
XORBytesAlignment/2048Bytes7Offset-4   3657.0n ± 1%   736.6n ± 0%  -79.86% (p=0.000 n=8)
geomean                                 313.1n        96.95n       -69.03%

                                     │   osubtle    │                nsubtle                │
                                     │     B/s      │      B/s       vs base                │
XORBytes/8Bytes-4                      64.77Mi ± 0%   282.51Mi ± 2%  +336.18% (p=0.000 n=8)
XORBytes/128Bytes-4                    691.3Mi ± 0%   2092.3Mi ± 4%  +202.66% (p=0.000 n=8)
XORBytes/2048Bytes-4                   1.914Gi ± 0%    4.125Gi ± 0%  +115.51% (p=0.000 n=8)
XORBytes/8192Bytes-4                   2.138Gi ± 0%    4.288Gi ± 2%  +100.54% (p=0.000 n=8)
XORBytes/32768Bytes-4                  1.583Gi ± 6%    2.908Gi ± 5%   +83.61% (p=0.000 n=8)
XORBytesAlignment/8Bytes0Offset-4      59.83Mi ± 0%   269.47Mi ± 1%  +350.37% (p=0.000 n=8)
XORBytesAlignment/8Bytes1Offset-4      72.22Mi ± 0%   270.51Mi ± 1%  +274.56% (p=0.000 n=8)
XORBytesAlignment/8Bytes2Offset-4      72.28Mi ± 1%   269.19Mi ± 1%  +272.41% (p=0.000 n=8)
XORBytesAlignment/8Bytes3Offset-4      72.21Mi ± 0%   268.16Mi ± 1%  +271.38% (p=0.000 n=8)
XORBytesAlignment/8Bytes4Offset-4      59.79Mi ± 0%   270.67Mi ± 1%  +352.74% (p=0.000 n=8)
XORBytesAlignment/8Bytes5Offset-4      72.36Mi ± 0%   268.83Mi ± 1%  +271.49% (p=0.000 n=8)
XORBytesAlignment/8Bytes6Offset-4      72.29Mi ± 0%   269.95Mi ± 1%  +273.44% (p=0.000 n=8)
XORBytesAlignment/8Bytes7Offset-4      72.27Mi ± 0%   270.14Mi ± 1%  +273.79% (p=0.000 n=8)
XORBytesAlignment/128Bytes0Offset-4    684.7Mi ± 0%   2049.1Mi ± 0%  +199.26% (p=0.000 n=8)
XORBytesAlignment/128Bytes1Offset-4    389.7Mi ± 1%   1620.7Mi ± 0%  +315.86% (p=0.000 n=8)
XORBytesAlignment/128Bytes2Offset-4    389.1Mi ± 0%   1620.3Mi ± 0%  +316.41% (p=0.000 n=8)
XORBytesAlignment/128Bytes3Offset-4    388.4Mi ± 1%   1620.9Mi ± 0%  +317.29% (p=0.000 n=8)
XORBytesAlignment/128Bytes4Offset-4    684.8Mi ± 0%   2049.2Mi ± 0%  +199.24% (p=0.000 n=8)
XORBytesAlignment/128Bytes5Offset-4    388.5Mi ± 0%   1610.3Mi ± 1%  +314.47% (p=0.000 n=8)
XORBytesAlignment/128Bytes6Offset-4    389.6Mi ± 0%   1615.4Mi ± 0%  +314.60% (p=0.000 n=8)
XORBytesAlignment/128Bytes7Offset-4    388.9Mi ± 0%   1617.8Mi ± 1%  +316.04% (p=0.000 n=8)
XORBytesAlignment/2048Bytes0Offset-4   1.903Gi ± 3%    4.189Gi ± 3%  +120.18% (p=0.000 n=8)
XORBytesAlignment/2048Bytes1Offset-4   535.1Mi ± 0%   2669.7Mi ± 0%  +398.88% (p=0.000 n=8)
XORBytesAlignment/2048Bytes2Offset-4   535.8Mi ± 0%   2670.1Mi ± 0%  +398.34% (p=0.000 n=8)
XORBytesAlignment/2048Bytes3Offset-4   534.2Mi ± 0%   2669.6Mi ± 0%  +399.71% (p=0.000 n=8)
XORBytesAlignment/2048Bytes4Offset-4   1.902Gi ± 0%    4.187Gi ± 0%  +120.12% (p=0.000 n=8)
XORBytesAlignment/2048Bytes5Offset-4   534.9Mi ± 0%   2651.6Mi ± 0%  +395.73% (p=0.000 n=8)
XORBytesAlignment/2048Bytes6Offset-4   535.5Mi ± 0%   2652.3Mi ± 0%  +395.34% (p=0.000 n=8)
XORBytesAlignment/2048Bytes7Offset-4   534.1Mi ± 1%   2651.6Mi ± 0%  +396.46% (p=0.000 n=8)
geomean                                338.6Mi         1.205Gi       +264.51%

Change-Id: I4d7e759968779cf8470826b8662b9f2018e663bc
Reviewed-on: https://go-review.googlesource.com/c/go/+/666275
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@google.com>
This commit is contained in:
Julian Zhu 2025-04-17 18:14:23 +08:00 • committed by Gopher Robot
parent 238d273da4
commit 343e486bfd
3 changed files with 214 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/crypto/internal/fips140/subtle/xor_asm.go
View file

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build (amd64 || arm64 || loong64 || mips64 || mips64le || ppc64 || ppc64le || riscv64) && !purego
//go:build (amd64 || arm64 || loong64 || mips || mipsle || mips64 || mips64le || ppc64 || ppc64le || riscv64) && !purego
package subtle

2
src/crypto/internal/fips140/subtle/xor_generic.go
View file

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build (!amd64 && !arm64 && !loong64 && !mips64 && !mips64le && !ppc64 && !ppc64le && !riscv64) || purego
//go:build (!amd64 && !arm64 && !loong64 && !mips && !mipsle && !mips64 && !mips64le && !ppc64 && !ppc64le && !riscv64) || purego
package subtle

212
src/crypto/internal/fips140/subtle/xor_mipsx.s Normal file
View file

@ -0,0 +1,212 @@
// Copyright 2025 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build (mips || mipsle) && !purego
#include "textflag.h"
// func xorBytes(dst, a, b *byte, n int)
TEXT ·xorBytes(SB), NOSPLIT|NOFRAME, $0
MOVW dst+0(FP), R1
MOVW a+4(FP), R2
MOVW b+8(FP), R3
MOVW n+12(FP), R4
SGTU $64, R4, R5 // R5 = 1 if (64 > R4)
BNE R5, xor_32_check
xor_64:
MOVW (R2), R6
MOVW 4(R2), R7
MOVW 8(R2), R8
MOVW 12(R2), R9
MOVW (R3), R10
MOVW 4(R3), R11
MOVW 8(R3), R12
MOVW 12(R3), R13
XOR R6, R10
XOR R7, R11
XOR R8, R12
XOR R9, R13
MOVW R10, (R1)
MOVW R11, 4(R1)
MOVW R12, 8(R1)
MOVW R13, 12(R1)
MOVW 16(R2), R6
MOVW 20(R2), R7
MOVW 24(R2), R8
MOVW 28(R2), R9
MOVW 16(R3), R10
MOVW 20(R3), R11
MOVW 24(R3), R12
MOVW 28(R3), R13
XOR R6, R10
XOR R7, R11
XOR R8, R12
XOR R9, R13
MOVW R10, 16(R1)
MOVW R11, 20(R1)
MOVW R12, 24(R1)
MOVW R13, 28(R1)
MOVW 32(R2), R6
MOVW 36(R2), R7
MOVW 40(R2), R8
MOVW 44(R2), R9
MOVW 32(R3), R10
MOVW 36(R3), R11
MOVW 40(R3), R12
MOVW 44(R3), R13
XOR R6, R10
XOR R7, R11
XOR R8, R12
XOR R9, R13
MOVW R10, 32(R1)
MOVW R11, 36(R1)
MOVW R12, 40(R1)
MOVW R13, 44(R1)
MOVW 48(R2), R6
MOVW 52(R2), R7
MOVW 56(R2), R8
MOVW 60(R2), R9
MOVW 48(R3), R10
MOVW 52(R3), R11
MOVW 56(R3), R12
MOVW 60(R3), R13
XOR R6, R10
XOR R7, R11
XOR R8, R12
XOR R9, R13
MOVW R10, 48(R1)
MOVW R11, 52(R1)
MOVW R12, 56(R1)
MOVW R13, 60(R1)
ADD $64, R2
ADD $64, R3
ADD $64, R1
SUB $64, R4
SGTU $64, R4, R5
BEQ R0, R5, xor_64
BEQ R0, R4, end
xor_32_check:
SGTU $32, R4, R5
BNE R5, xor_16_check
xor_32:
MOVW (R2), R6
MOVW 4(R2), R7
MOVW 8(R2), R8
MOVW 12(R2), R9
MOVW (R3), R10
MOVW 4(R3), R11
MOVW 8(R3), R12
MOVW 12(R3), R13
XOR R6, R10
XOR R7, R11
XOR R8, R12
XOR R9, R13
MOVW R10, (R1)
MOVW R11, 4(R1)
MOVW R12, 8(R1)
MOVW R13, 12(R1)
MOVW 16(R2), R6
MOVW 20(R2), R7
MOVW 24(R2), R8
MOVW 28(R2), R9
MOVW 16(R3), R10
MOVW 20(R3), R11
MOVW 24(R3), R12
MOVW 28(R3), R13
XOR R6, R10
XOR R7, R11
XOR R8, R12
XOR R9, R13
MOVW R10, 16(R1)
MOVW R11, 20(R1)
MOVW R12, 24(R1)
MOVW R13, 28(R1)
ADD $32, R2
ADD $32, R3
ADD $32, R1
SUB $32, R4
BEQ R0, R4, end
xor_16_check:
SGTU $16, R4, R5
BNE R5, xor_8_check
xor_16:
MOVW (R2), R6
MOVW 4(R2), R7
MOVW 8(R2), R8
MOVW 12(R2), R9
MOVW (R3), R10
MOVW 4(R3), R11
MOVW 8(R3), R12
MOVW 12(R3), R13
XOR R6, R10
XOR R7, R11
XOR R8, R12
XOR R9, R13
MOVW R10, (R1)
MOVW R11, 4(R1)
MOVW R12, 8(R1)
MOVW R13, 12(R1)
ADD $16, R2
ADD $16, R3
ADD $16, R1
SUB $16, R4
BEQ R0, R4, end
xor_8_check:
SGTU $8, R4, R5
BNE R5, xor_4_check
xor_8:
MOVW (R2), R6
MOVW 4(R2), R7
MOVW (R3), R8
MOVW 4(R3), R9
XOR R6, R8
XOR R7, R9
MOVW R8, (R1)
MOVW R9, 4(R1)
ADD $8, R1
ADD $8, R2
ADD $8, R3
SUB $8, R4
BEQ R0, R4, end
xor_4_check:
SGTU $4, R4, R5
BNE R5, xor_2_check
xor_4:
MOVW (R2), R6
MOVW (R3), R7
XOR R6, R7
MOVW R7, (R1)
ADD $4, R2
ADD $4, R3
ADD $4, R1
SUB $4, R4
BEQ R0, R4, end
xor_2_check:
SGTU $2, R4, R5
BNE R5, xor_1
xor_2:
MOVH (R2), R6
MOVH (R3), R7
XOR R6, R7
MOVH R7, (R1)
ADD $2, R2
ADD $2, R3
ADD $2, R1
SUB $2, R4
BEQ R0, R4, end
xor_1:
MOVB (R2), R6
MOVB (R3), R7
XOR R6, R7
MOVB R7, (R1)
end:
RET