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crypto/md5: improve ppc64x performance
This is mostly cleanup and simplification. This removes many unneeded register moves, loads, and bit twiddlings which were holdovers from porting this from the amd64 version. The updated code loads each block once per iteration instead of once per round. Similarly, the logical operations now match the original md5 specification. Likewise, add extra sizes to the benchtest to give more data points on how the implementation scales with input size. All in all, this is roughly a 20% improvement on ppc64le code running on POWER9 (POWER8 is similar, but around 16%): name old time/op new time/op delta Hash8Bytes 297ns ± 0% 255ns ± 0% -14.14% Hash64 527ns ± 0% 444ns ± 0% -15.76% Hash128 771ns ± 0% 645ns ± 0% -16.35% Hash256 1.26µs ± 0% 1.05µs ± 0% -16.68% Hash512 2.23µs ± 0% 1.85µs ± 0% -16.82% Hash1K 4.16µs ± 0% 3.46µs ± 0% -16.83% Hash8K 31.2µs ± 0% 26.0µs ± 0% -16.74% Hash1M 3.58ms ± 0% 2.98ms ± 0% -16.74% Hash8M 26.1ms ± 0% 21.7ms ± 0% -16.81% Hash8BytesUnaligned 297ns ± 0% 255ns ± 0% -14.08% Hash1KUnaligned 4.16µs ± 0% 3.46µs ± 0% -16.79% Hash8KUnaligned 31.2µs ± 0% 26.0µs ± 0% -16.78% name old speed new speed delta Hash8Bytes 26.9MB/s ± 0% 31.4MB/s ± 0% +16.45% Hash64 122MB/s ± 0% 144MB/s ± 0% +18.69% Hash128 166MB/s ± 0% 199MB/s ± 0% +19.54% Hash256 203MB/s ± 0% 244MB/s ± 0% +20.01% Hash512 230MB/s ± 0% 276MB/s ± 0% +20.18% Hash1K 246MB/s ± 0% 296MB/s ± 0% +20.26% Hash8K 263MB/s ± 0% 315MB/s ± 0% +20.11% Hash1M 293MB/s ± 0% 352MB/s ± 0% +20.10% Hash8M 321MB/s ± 0% 386MB/s ± 0% +20.21% Hash8BytesUnaligned 26.9MB/s ± 0% 31.4MB/s ± 0% +16.41% Hash1KUnaligned 246MB/s ± 0% 296MB/s ± 0% +20.19% Hash8KUnaligned 263MB/s ± 0% 315MB/s ± 0% +20.15% Change-Id: I269bfa6878966bb4f6a64dc349100f5dc453ab7c Reviewed-on: https://go-review.googlesource.com/c/go/+/300613 Run-TryBot: Paul Murphy <murp@ibm.com> Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com> TryBot-Result: Go Bot <gobot@golang.org> Trust: Emmanuel Odeke <emmanuel@orijtech.com>
This commit is contained in:
Paul E. Murphy
Lynn Boger
parent
6ccb5c49cc
commit
4350e4961a
2 changed files with 171 additions and 136 deletions
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@ -212,7 +212,7 @@ func TestLargeHashes(t *testing.T) {
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}
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}
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var bench = New()
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var bench = New()
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var buf = make([]byte, 8192+1)
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var buf = make([]byte, 1024*1024*8+1)
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var sum = make([]byte, bench.Size())
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var sum = make([]byte, bench.Size())
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func benchmarkSize(b *testing.B, size int, unaligned bool) {
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func benchmarkSize(b *testing.B, size int, unaligned bool) {
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@ -235,6 +235,22 @@ func BenchmarkHash8Bytes(b *testing.B) {
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benchmarkSize(b, 8, false)
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benchmarkSize(b, 8, false)
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}
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}
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func BenchmarkHash64(b *testing.B) {
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benchmarkSize(b, 64, false)
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}
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func BenchmarkHash128(b *testing.B) {
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benchmarkSize(b, 128, false)
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}
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func BenchmarkHash256(b *testing.B) {
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benchmarkSize(b, 256, false)
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}
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func BenchmarkHash512(b *testing.B) {
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benchmarkSize(b, 512, false)
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}
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func BenchmarkHash1K(b *testing.B) {
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func BenchmarkHash1K(b *testing.B) {
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benchmarkSize(b, 1024, false)
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benchmarkSize(b, 1024, false)
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}
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}
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@ -243,6 +259,14 @@ func BenchmarkHash8K(b *testing.B) {
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benchmarkSize(b, 8192, false)
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benchmarkSize(b, 8192, false)
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}
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}
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func BenchmarkHash1M(b *testing.B) {
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benchmarkSize(b, 1024*1024, false)
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}
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func BenchmarkHash8M(b *testing.B) {
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benchmarkSize(b, 8*1024*1024, false)
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}
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func BenchmarkHash8BytesUnaligned(b *testing.B) {
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func BenchmarkHash8BytesUnaligned(b *testing.B) {
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benchmarkSize(b, 8, true)
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benchmarkSize(b, 8, true)
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}
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}
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@ -28,169 +28,179 @@
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MOVWBR (idx)(ptr), dst
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MOVWBR (idx)(ptr), dst
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#endif
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#endif
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#define M00 R18
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#define M01 R19
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#define M02 R20
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#define M03 R24
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#define M04 R25
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#define M05 R26
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#define M06 R27
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#define M07 R28
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#define M08 R29
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#define M09 R21
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#define M10 R11
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#define M11 R8
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#define M12 R7
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#define M13 R12
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#define M14 R23
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#define M15 R10
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#define ROUND1(a, b, c, d, index, const, shift) \
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ADD $const, index, R9; \
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ADD R9, a; \
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AND b, c, R9; \
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ANDN b, d, R31; \
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OR R9, R31, R9; \
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ADD R9, a; \
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ROTLW $shift, a; \
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ADD b, a;
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#define ROUND2(a, b, c, d, index, const, shift) \
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ADD $const, index, R9; \
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ADD R9, a; \
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AND b, d, R31; \
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ANDN d, c, R9; \
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OR R9, R31; \
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ADD R31, a; \
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ROTLW $shift, a; \
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ADD b, a;
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#define ROUND3(a, b, c, d, index, const, shift) \
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ADD $const, index, R9; \
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ADD R9, a; \
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XOR d, c, R31; \
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XOR b, R31; \
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ADD R31, a; \
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ROTLW $shift, a; \
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ADD b, a;
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#define ROUND4(a, b, c, d, index, const, shift) \
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ADD $const, index, R9; \
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ADD R9, a; \
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ORN d, b, R31; \
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XOR c, R31; \
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ADD R31, a; \
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ROTLW $shift, a; \
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ADD b, a;
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TEXT ·block(SB),NOSPLIT,$0-32
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TEXT ·block(SB),NOSPLIT,$0-32
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MOVD dig+0(FP), R10
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MOVD dig+0(FP), R10
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MOVD p+8(FP), R6
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MOVD p+8(FP), R6
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MOVD p_len+16(FP), R5
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MOVD p_len+16(FP), R5
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SLD $6, R5
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// We assume p_len >= 64
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SRD $6, R5
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SRD $6, R5
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ADD R6, R5, R7
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MOVD R5, CTR
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MOVWZ 0(R10), R22
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MOVWZ 0(R10), R22
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MOVWZ 4(R10), R3
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MOVWZ 4(R10), R3
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MOVWZ 8(R10), R4
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MOVWZ 8(R10), R4
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MOVWZ 12(R10), R5
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MOVWZ 12(R10), R5
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CMP R6, R7
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BEQ end
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loop:
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loop:
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MOVWZ R22, R14
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MOVD R22, R14
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MOVWZ R3, R15
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MOVD R3, R15
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MOVWZ R4, R16
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MOVD R4, R16
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MOVWZ R5, R17
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MOVD R5, R17
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ENDIAN_MOVE(0,R6,R8,R21)
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ENDIAN_MOVE( 0,R6,M00,M15)
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MOVWZ R5, R9
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ENDIAN_MOVE( 4,R6,M01,M15)
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ENDIAN_MOVE( 8,R6,M02,M15)
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ENDIAN_MOVE(12,R6,M03,M15)
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#define ROUND1(a, b, c, d, index, const, shift) \
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ROUND1(R22,R3,R4,R5,M00,0xd76aa478, 7);
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XOR c, R9; \
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ROUND1(R5,R22,R3,R4,M01,0xe8c7b756,12);
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ADD $const, a; \
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ROUND1(R4,R5,R22,R3,M02,0x242070db,17);
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ADD R8, a; \
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ROUND1(R3,R4,R5,R22,M03,0xc1bdceee,22);
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AND b, R9; \
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XOR d, R9; \
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ENDIAN_MOVE(index*4,R6,R8,R21); \
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ADD R9, a; \
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RLWMI $shift, a, $0xffffffff, a; \
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MOVWZ c, R9; \
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ADD b, a; \
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MOVWZ a, a
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ROUND1(R22,R3,R4,R5, 1,0xd76aa478, 7);
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ENDIAN_MOVE(16,R6,M04,M15)
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ROUND1(R5,R22,R3,R4, 2,0xe8c7b756,12);
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ENDIAN_MOVE(20,R6,M05,M15)
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ROUND1(R4,R5,R22,R3, 3,0x242070db,17);
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ENDIAN_MOVE(24,R6,M06,M15)
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ROUND1(R3,R4,R5,R22, 4,0xc1bdceee,22);
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ENDIAN_MOVE(28,R6,M07,M15)
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ROUND1(R22,R3,R4,R5, 5,0xf57c0faf, 7);
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ROUND1(R5,R22,R3,R4, 6,0x4787c62a,12);
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ROUND1(R4,R5,R22,R3, 7,0xa8304613,17);
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ROUND1(R3,R4,R5,R22, 8,0xfd469501,22);
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ROUND1(R22,R3,R4,R5, 9,0x698098d8, 7);
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ROUND1(R5,R22,R3,R4,10,0x8b44f7af,12);
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ROUND1(R4,R5,R22,R3,11,0xffff5bb1,17);
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ROUND1(R3,R4,R5,R22,12,0x895cd7be,22);
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ROUND1(R22,R3,R4,R5,13,0x6b901122, 7);
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ROUND1(R5,R22,R3,R4,14,0xfd987193,12);
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ROUND1(R4,R5,R22,R3,15,0xa679438e,17);
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ROUND1(R3,R4,R5,R22, 0,0x49b40821,22);
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ENDIAN_MOVE(1*4,R6,R8,R21)
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ROUND1(R22,R3,R4,R5,M04,0xf57c0faf, 7);
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MOVWZ R5, R9
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ROUND1(R5,R22,R3,R4,M05,0x4787c62a,12);
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MOVWZ R5, R10
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ROUND1(R4,R5,R22,R3,M06,0xa8304613,17);
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ROUND1(R3,R4,R5,R22,M07,0xfd469501,22);
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#define ROUND2(a, b, c, d, index, const, shift) \
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ENDIAN_MOVE(32,R6,M08,M15)
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XOR $0xffffffff, R9; \ // NOTW R9
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ENDIAN_MOVE(36,R6,M09,M15)
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ADD $const, a; \
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ENDIAN_MOVE(40,R6,M10,M15)
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ADD R8, a; \
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ENDIAN_MOVE(44,R6,M11,M15)
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AND b, R10; \
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AND c, R9; \
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ENDIAN_MOVE(index*4,R6,R8,R21); \
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OR R9, R10; \
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MOVWZ c, R9; \
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ADD R10, a; \
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MOVWZ c, R10; \
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RLWMI $shift, a, $0xffffffff, a; \
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ADD b, a; \
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MOVWZ a, a
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ROUND2(R22,R3,R4,R5, 6,0xf61e2562, 5);
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ROUND1(R22,R3,R4,R5,M08,0x698098d8, 7);
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ROUND2(R5,R22,R3,R4,11,0xc040b340, 9);
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ROUND1(R5,R22,R3,R4,M09,0x8b44f7af,12);
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ROUND2(R4,R5,R22,R3, 0,0x265e5a51,14);
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ROUND1(R4,R5,R22,R3,M10,0xffff5bb1,17);
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ROUND2(R3,R4,R5,R22, 5,0xe9b6c7aa,20);
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ROUND1(R3,R4,R5,R22,M11,0x895cd7be,22);
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ROUND2(R22,R3,R4,R5,10,0xd62f105d, 5);
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ROUND2(R5,R22,R3,R4,15, 0x2441453, 9);
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ROUND2(R4,R5,R22,R3, 4,0xd8a1e681,14);
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ROUND2(R3,R4,R5,R22, 9,0xe7d3fbc8,20);
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ROUND2(R22,R3,R4,R5,14,0x21e1cde6, 5);
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ROUND2(R5,R22,R3,R4, 3,0xc33707d6, 9);
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ROUND2(R4,R5,R22,R3, 8,0xf4d50d87,14);
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ROUND2(R3,R4,R5,R22,13,0x455a14ed,20);
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ROUND2(R22,R3,R4,R5, 2,0xa9e3e905, 5);
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ROUND2(R5,R22,R3,R4, 7,0xfcefa3f8, 9);
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ROUND2(R4,R5,R22,R3,12,0x676f02d9,14);
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ROUND2(R3,R4,R5,R22, 0,0x8d2a4c8a,20);
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ENDIAN_MOVE(5*4,R6,R8,R21)
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ENDIAN_MOVE(48,R6,M12,M15)
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MOVWZ R4, R9
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ENDIAN_MOVE(52,R6,M13,M15)
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ENDIAN_MOVE(56,R6,M14,M15)
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ENDIAN_MOVE(60,R6,M15,M15)
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#define ROUND3(a, b, c, d, index, const, shift) \
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ROUND1(R22,R3,R4,R5,M12,0x6b901122, 7);
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ADD $const, a; \
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ROUND1(R5,R22,R3,R4,M13,0xfd987193,12);
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ADD R8, a; \
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ROUND1(R4,R5,R22,R3,M14,0xa679438e,17);
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ENDIAN_MOVE(index*4,R6,R8,R21); \
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ROUND1(R3,R4,R5,R22,M15,0x49b40821,22);
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XOR d, R9; \
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XOR b, R9; \
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ADD R9, a; \
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RLWMI $shift, a, $0xffffffff, a; \
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MOVWZ b, R9; \
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ADD b, a; \
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MOVWZ a, a
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ROUND3(R22,R3,R4,R5, 8,0xfffa3942, 4);
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ROUND2(R22,R3,R4,R5,M01,0xf61e2562, 5);
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ROUND3(R5,R22,R3,R4,11,0x8771f681,11);
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ROUND2(R5,R22,R3,R4,M06,0xc040b340, 9);
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ROUND3(R4,R5,R22,R3,14,0x6d9d6122,16);
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ROUND2(R4,R5,R22,R3,M11,0x265e5a51,14);
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ROUND3(R3,R4,R5,R22, 1,0xfde5380c,23);
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ROUND2(R3,R4,R5,R22,M00,0xe9b6c7aa,20);
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ROUND3(R22,R3,R4,R5, 4,0xa4beea44, 4);
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ROUND2(R22,R3,R4,R5,M05,0xd62f105d, 5);
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ROUND3(R5,R22,R3,R4, 7,0x4bdecfa9,11);
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ROUND2(R5,R22,R3,R4,M10, 0x2441453, 9);
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ROUND3(R4,R5,R22,R3,10,0xf6bb4b60,16);
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ROUND2(R4,R5,R22,R3,M15,0xd8a1e681,14);
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ROUND3(R3,R4,R5,R22,13,0xbebfbc70,23);
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ROUND2(R3,R4,R5,R22,M04,0xe7d3fbc8,20);
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ROUND3(R22,R3,R4,R5, 0,0x289b7ec6, 4);
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ROUND2(R22,R3,R4,R5,M09,0x21e1cde6, 5);
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ROUND3(R5,R22,R3,R4, 3,0xeaa127fa,11);
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ROUND2(R5,R22,R3,R4,M14,0xc33707d6, 9);
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ROUND3(R4,R5,R22,R3, 6,0xd4ef3085,16);
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ROUND2(R4,R5,R22,R3,M03,0xf4d50d87,14);
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ROUND3(R3,R4,R5,R22, 9, 0x4881d05,23);
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ROUND2(R3,R4,R5,R22,M08,0x455a14ed,20);
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ROUND3(R22,R3,R4,R5,12,0xd9d4d039, 4);
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ROUND2(R22,R3,R4,R5,M13,0xa9e3e905, 5);
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ROUND3(R5,R22,R3,R4,15,0xe6db99e5,11);
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ROUND2(R5,R22,R3,R4,M02,0xfcefa3f8, 9);
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ROUND3(R4,R5,R22,R3, 2,0x1fa27cf8,16);
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ROUND2(R4,R5,R22,R3,M07,0x676f02d9,14);
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ROUND3(R3,R4,R5,R22, 0,0xc4ac5665,23);
|
ROUND2(R3,R4,R5,R22,M12,0x8d2a4c8a,20);
|
||||||
|
|
||||||
ENDIAN_MOVE(0,R6,R8,R21)
|
ROUND3(R22,R3,R4,R5,M05,0xfffa3942, 4);
|
||||||
MOVWZ $0xffffffff, R9
|
ROUND3(R5,R22,R3,R4,M08,0x8771f681,11);
|
||||||
XOR R5, R9
|
ROUND3(R4,R5,R22,R3,M11,0x6d9d6122,16);
|
||||||
|
ROUND3(R3,R4,R5,R22,M14,0xfde5380c,23);
|
||||||
|
ROUND3(R22,R3,R4,R5,M01,0xa4beea44, 4);
|
||||||
|
ROUND3(R5,R22,R3,R4,M04,0x4bdecfa9,11);
|
||||||
|
ROUND3(R4,R5,R22,R3,M07,0xf6bb4b60,16);
|
||||||
|
ROUND3(R3,R4,R5,R22,M10,0xbebfbc70,23);
|
||||||
|
ROUND3(R22,R3,R4,R5,M13,0x289b7ec6, 4);
|
||||||
|
ROUND3(R5,R22,R3,R4,M00,0xeaa127fa,11);
|
||||||
|
ROUND3(R4,R5,R22,R3,M03,0xd4ef3085,16);
|
||||||
|
ROUND3(R3,R4,R5,R22,M06, 0x4881d05,23);
|
||||||
|
ROUND3(R22,R3,R4,R5,M09,0xd9d4d039, 4);
|
||||||
|
ROUND3(R5,R22,R3,R4,M12,0xe6db99e5,11);
|
||||||
|
ROUND3(R4,R5,R22,R3,M15,0x1fa27cf8,16);
|
||||||
|
ROUND3(R3,R4,R5,R22,M02,0xc4ac5665,23);
|
||||||
|
|
||||||
#define ROUND4(a, b, c, d, index, const, shift) \
|
ROUND4(R22,R3,R4,R5,M00,0xf4292244, 6);
|
||||||
ADD $const, a; \
|
ROUND4(R5,R22,R3,R4,M07,0x432aff97,10);
|
||||||
ADD R8, a; \
|
ROUND4(R4,R5,R22,R3,M14,0xab9423a7,15);
|
||||||
OR b, R9; \
|
ROUND4(R3,R4,R5,R22,M05,0xfc93a039,21);
|
||||||
XOR c, R9; \
|
ROUND4(R22,R3,R4,R5,M12,0x655b59c3, 6);
|
||||||
ADD R9, a; \
|
ROUND4(R5,R22,R3,R4,M03,0x8f0ccc92,10);
|
||||||
ENDIAN_MOVE(index*4,R6,R8,R21); \
|
ROUND4(R4,R5,R22,R3,M10,0xffeff47d,15);
|
||||||
MOVWZ $0xffffffff, R9; \
|
ROUND4(R3,R4,R5,R22,M01,0x85845dd1,21);
|
||||||
RLWMI $shift, a, $0xffffffff, a; \
|
ROUND4(R22,R3,R4,R5,M08,0x6fa87e4f, 6);
|
||||||
XOR c, R9; \
|
ROUND4(R5,R22,R3,R4,M15,0xfe2ce6e0,10);
|
||||||
ADD b, a; \
|
ROUND4(R4,R5,R22,R3,M06,0xa3014314,15);
|
||||||
MOVWZ a, a
|
ROUND4(R3,R4,R5,R22,M13,0x4e0811a1,21);
|
||||||
|
ROUND4(R22,R3,R4,R5,M04,0xf7537e82, 6);
|
||||||
ROUND4(R22,R3,R4,R5, 7,0xf4292244, 6);
|
ROUND4(R5,R22,R3,R4,M11,0xbd3af235,10);
|
||||||
ROUND4(R5,R22,R3,R4,14,0x432aff97,10);
|
ROUND4(R4,R5,R22,R3,M02,0x2ad7d2bb,15);
|
||||||
ROUND4(R4,R5,R22,R3, 5,0xab9423a7,15);
|
ROUND4(R3,R4,R5,R22,M09,0xeb86d391,21);
|
||||||
ROUND4(R3,R4,R5,R22,12,0xfc93a039,21);
|
|
||||||
ROUND4(R22,R3,R4,R5, 3,0x655b59c3, 6);
|
|
||||||
ROUND4(R5,R22,R3,R4,10,0x8f0ccc92,10);
|
|
||||||
ROUND4(R4,R5,R22,R3, 1,0xffeff47d,15);
|
|
||||||
ROUND4(R3,R4,R5,R22, 8,0x85845dd1,21);
|
|
||||||
ROUND4(R22,R3,R4,R5,15,0x6fa87e4f, 6);
|
|
||||||
ROUND4(R5,R22,R3,R4, 6,0xfe2ce6e0,10);
|
|
||||||
ROUND4(R4,R5,R22,R3,13,0xa3014314,15);
|
|
||||||
ROUND4(R3,R4,R5,R22, 4,0x4e0811a1,21);
|
|
||||||
ROUND4(R22,R3,R4,R5,11,0xf7537e82, 6);
|
|
||||||
ROUND4(R5,R22,R3,R4, 2,0xbd3af235,10);
|
|
||||||
ROUND4(R4,R5,R22,R3, 9,0x2ad7d2bb,15);
|
|
||||||
ROUND4(R3,R4,R5,R22, 0,0xeb86d391,21);
|
|
||||||
|
|
||||||
ADD R14, R22
|
ADD R14, R22
|
||||||
ADD R15, R3
|
ADD R15, R3
|
||||||
ADD R16, R4
|
ADD R16, R4
|
||||||
ADD R17, R5
|
ADD R17, R5
|
||||||
ADD $64, R6
|
ADD $64, R6
|
||||||
CMP R6, R7
|
BC 16, 0, loop // bdnz
|
||||||
BLT loop
|
|
||||||
|
|
||||||
end:
|
end:
|
||||||
MOVD dig+0(FP), R10
|
MOVD dig+0(FP), R10
|
||||||
|
|
@ -198,4 +208,5 @@ end:
|
||||||
MOVWZ R3, 4(R10)
|
MOVWZ R3, 4(R10)
|
||||||
MOVWZ R4, 8(R10)
|
MOVWZ R4, 8(R10)
|
||||||
MOVWZ R5, 12(R10)
|
MOVWZ R5, 12(R10)
|
||||||
|
|
||||||
RET
|
RET
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue