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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
commit47ab3d4a42e9ab51c465c4322d2ec233f6324e6b (patch)
treea61a0ffd83f4a3def4b36e5c8e99630c559aa723 /src/crypto/sha256/sha256block_arm64.s
parentInitial commit. (diff)
downloadgolang-1.18-47ab3d4a42e9ab51c465c4322d2ec233f6324e6b.tar.xz
golang-1.18-47ab3d4a42e9ab51c465c4322d2ec233f6324e6b.zip
Adding upstream version 1.18.10.upstream/1.18.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/crypto/sha256/sha256block_arm64.s')
-rw-r--r--src/crypto/sha256/sha256block_arm64.s119
1 files changed, 119 insertions, 0 deletions
diff --git a/src/crypto/sha256/sha256block_arm64.s b/src/crypto/sha256/sha256block_arm64.s
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+++ b/src/crypto/sha256/sha256block_arm64.s
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+// Copyright 2017 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.
+
+#include "textflag.h"
+
+#define HASHUPDATE \
+ SHA256H V9.S4, V3, V2 \
+ SHA256H2 V9.S4, V8, V3 \
+ VMOV V2.B16, V8.B16
+
+// func sha256block(h []uint32, p []byte, k []uint32)
+TEXT ·sha256block(SB),NOSPLIT,$0
+ MOVD h_base+0(FP), R0 // Hash value first address
+ MOVD p_base+24(FP), R1 // message first address
+ MOVD k_base+48(FP), R2 // k constants first address
+ MOVD p_len+32(FP), R3 // message length
+ VLD1 (R0), [V0.S4, V1.S4] // load h(a,b,c,d,e,f,g,h)
+ VLD1.P 64(R2), [V16.S4, V17.S4, V18.S4, V19.S4]
+ VLD1.P 64(R2), [V20.S4, V21.S4, V22.S4, V23.S4]
+ VLD1.P 64(R2), [V24.S4, V25.S4, V26.S4, V27.S4]
+ VLD1 (R2), [V28.S4, V29.S4, V30.S4, V31.S4] //load 64*4bytes K constant(K0-K63)
+
+blockloop:
+
+ VLD1.P 16(R1), [V4.B16] // load 16bytes message
+ VLD1.P 16(R1), [V5.B16] // load 16bytes message
+ VLD1.P 16(R1), [V6.B16] // load 16bytes message
+ VLD1.P 16(R1), [V7.B16] // load 16bytes message
+ VMOV V0.B16, V2.B16 // backup: VO h(dcba)
+ VMOV V1.B16, V3.B16 // backup: V1 h(hgfe)
+ VMOV V2.B16, V8.B16
+ VREV32 V4.B16, V4.B16 // prepare for using message in Byte format
+ VREV32 V5.B16, V5.B16
+ VREV32 V6.B16, V6.B16
+ VREV32 V7.B16, V7.B16
+
+ VADD V16.S4, V4.S4, V9.S4 // V18(W0+K0...W3+K3)
+ SHA256SU0 V5.S4, V4.S4 // V4: (su0(W1)+W0,...,su0(W4)+W3)
+ HASHUPDATE // H4
+
+ VADD V17.S4, V5.S4, V9.S4 // V18(W4+K4...W7+K7)
+ SHA256SU0 V6.S4, V5.S4 // V5: (su0(W5)+W4,...,su0(W8)+W7)
+ SHA256SU1 V7.S4, V6.S4, V4.S4 // V4: W16-W19
+ HASHUPDATE // H8
+
+ VADD V18.S4, V6.S4, V9.S4 // V18(W8+K8...W11+K11)
+ SHA256SU0 V7.S4, V6.S4 // V6: (su0(W9)+W8,...,su0(W12)+W11)
+ SHA256SU1 V4.S4, V7.S4, V5.S4 // V5: W20-W23
+ HASHUPDATE // H12
+
+ VADD V19.S4, V7.S4, V9.S4 // V18(W12+K12...W15+K15)
+ SHA256SU0 V4.S4, V7.S4 // V7: (su0(W13)+W12,...,su0(W16)+W15)
+ SHA256SU1 V5.S4, V4.S4, V6.S4 // V6: W24-W27
+ HASHUPDATE // H16
+
+ VADD V20.S4, V4.S4, V9.S4 // V18(W16+K16...W19+K19)
+ SHA256SU0 V5.S4, V4.S4 // V4: (su0(W17)+W16,...,su0(W20)+W19)
+ SHA256SU1 V6.S4, V5.S4, V7.S4 // V7: W28-W31
+ HASHUPDATE // H20
+
+ VADD V21.S4, V5.S4, V9.S4 // V18(W20+K20...W23+K23)
+ SHA256SU0 V6.S4, V5.S4 // V5: (su0(W21)+W20,...,su0(W24)+W23)
+ SHA256SU1 V7.S4, V6.S4, V4.S4 // V4: W32-W35
+ HASHUPDATE // H24
+
+ VADD V22.S4, V6.S4, V9.S4 // V18(W24+K24...W27+K27)
+ SHA256SU0 V7.S4, V6.S4 // V6: (su0(W25)+W24,...,su0(W28)+W27)
+ SHA256SU1 V4.S4, V7.S4, V5.S4 // V5: W36-W39
+ HASHUPDATE // H28
+
+ VADD V23.S4, V7.S4, V9.S4 // V18(W28+K28...W31+K31)
+ SHA256SU0 V4.S4, V7.S4 // V7: (su0(W29)+W28,...,su0(W32)+W31)
+ SHA256SU1 V5.S4, V4.S4, V6.S4 // V6: W40-W43
+ HASHUPDATE // H32
+
+ VADD V24.S4, V4.S4, V9.S4 // V18(W32+K32...W35+K35)
+ SHA256SU0 V5.S4, V4.S4 // V4: (su0(W33)+W32,...,su0(W36)+W35)
+ SHA256SU1 V6.S4, V5.S4, V7.S4 // V7: W44-W47
+ HASHUPDATE // H36
+
+ VADD V25.S4, V5.S4, V9.S4 // V18(W36+K36...W39+K39)
+ SHA256SU0 V6.S4, V5.S4 // V5: (su0(W37)+W36,...,su0(W40)+W39)
+ SHA256SU1 V7.S4, V6.S4, V4.S4 // V4: W48-W51
+ HASHUPDATE // H40
+
+ VADD V26.S4, V6.S4, V9.S4 // V18(W40+K40...W43+K43)
+ SHA256SU0 V7.S4, V6.S4 // V6: (su0(W41)+W40,...,su0(W44)+W43)
+ SHA256SU1 V4.S4, V7.S4, V5.S4 // V5: W52-W55
+ HASHUPDATE // H44
+
+ VADD V27.S4, V7.S4, V9.S4 // V18(W44+K44...W47+K47)
+ SHA256SU0 V4.S4, V7.S4 // V7: (su0(W45)+W44,...,su0(W48)+W47)
+ SHA256SU1 V5.S4, V4.S4, V6.S4 // V6: W56-W59
+ HASHUPDATE // H48
+
+ VADD V28.S4, V4.S4, V9.S4 // V18(W48+K48,...,W51+K51)
+ HASHUPDATE // H52
+ SHA256SU1 V6.S4, V5.S4, V7.S4 // V7: W60-W63
+
+ VADD V29.S4, V5.S4, V9.S4 // V18(W52+K52,...,W55+K55)
+ HASHUPDATE // H56
+
+ VADD V30.S4, V6.S4, V9.S4 // V18(W59+K59,...,W59+K59)
+ HASHUPDATE // H60
+
+ VADD V31.S4, V7.S4, V9.S4 // V18(W60+K60,...,W63+K63)
+ HASHUPDATE // H64
+
+ SUB $64, R3, R3 // message length - 64bytes, then compare with 64bytes
+ VADD V2.S4, V0.S4, V0.S4
+ VADD V3.S4, V1.S4, V1.S4
+ CBNZ R3, blockloop
+
+sha256ret:
+
+ VST1 [V0.S4, V1.S4], (R0) // store hash value H
+ RET
+