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sm4: arm64 use VZIP1 VZIP2 to transpose matrix

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Sun Yimin 2022-07-25 17:10:15 +08:00 committed by GitHub
parent fd34c2eff2
commit 206c8075c3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 46 deletions
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52
sm4/asm_arm64.s
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@ -185,33 +185,14 @@ TEXT ·encryptBlocksAsm(SB),NOSPLIT,$0
CMP $1, R11
BEQ sm4niblocks
VLD1 (R10), [V5.S4, V6.S4, V7.S4, V8.S4]
VMOV V5.S[0], t0.S[0]
VMOV V5.S[1], t1.S[0]
VMOV V5.S[2], t2.S[0]
VMOV V5.S[3], t3.S[0]
VMOV V6.S[0], t0.S[1]
VMOV V6.S[1], t1.S[1]
VMOV V6.S[2], t2.S[1]
VMOV V6.S[3], t3.S[1]
VMOV V7.S[0], t0.S[2]
VMOV V7.S[1], t1.S[2]
VMOV V7.S[2], t2.S[2]
VMOV V7.S[3], t3.S[2]
VMOV V8.S[0], t0.S[3]
VMOV V8.S[1], t1.S[3]
VMOV V8.S[2], t2.S[3]
VMOV V8.S[3], t3.S[3]
load_global_data_2()
VLD1 (R10), [t0.S4, t1.S4, t2.S4, t3.S4]
VREV32 t0.B16, t0.B16
VREV32 t1.B16, t1.B16
VREV32 t2.B16, t2.B16
VREV32 t3.B16, t3.B16
PRE_TRANSPOSE_MATRIX(t0, t1, t2, t3, x, y, XTMP6, XTMP7)
load_global_data_2()
VEOR ZERO.B16, ZERO.B16, ZERO.B16
EOR R0, R0
@ -226,34 +207,13 @@ encryptBlocksLoop:
CMP $128, R0
BNE encryptBlocksLoop
TRANSPOSE_MATRIX(t0, t1, t2, t3, x, y, XTMP6, XTMP7)
VREV32 t0.B16, t0.B16
VREV32 t1.B16, t1.B16
VREV32 t2.B16, t2.B16
VREV32 t3.B16, t3.B16
VMOV t3.S[0], V8.S[0]
VMOV t2.S[0], V8.S[1]
VMOV t1.S[0], V8.S[2]
VMOV t0.S[0], V8.S[3]
VST1.P [V8.B16], 16(R9)
VMOV t3.S[1], V8.S[0]
VMOV t2.S[1], V8.S[1]
VMOV t1.S[1], V8.S[2]
VMOV t0.S[1], V8.S[3]
VST1.P [V8.B16], 16(R9)
VMOV t3.S[2], V8.S[0]
VMOV t2.S[2], V8.S[1]
VMOV t1.S[2], V8.S[2]
VMOV t0.S[2], V8.S[3]
VST1.P [V8.B16], 16(R9)
VMOV t3.S[3], V8.S[0]
VMOV t2.S[3], V8.S[1]
VMOV t1.S[3], V8.S[2]
VMOV t0.S[3], V8.S[3]
VST1 [V8.B16], (R9)
VST1 [t0.S4, t1.S4, t2.S4, t3.S4], (R9)
RET
sm4niblocks: