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Update asm_arm64.s

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Sun Yimin 2022-01-01 13:00:50 +08:00 committed by GitHub
parent 235940986e
commit 4b9954fcd9
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1 changed files with 6 additions and 3 deletions
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sm4/asm_arm64.s
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@ -158,6 +158,10 @@ TEXT ·expandKeyAsm(SB),NOSPLIT,$0
VMOV R0, FK_MASK.D[0]
VMOV R1, FK_MASK.D[1]
LDP inverse_shift_rows<>(SB), (R0, R1)
VMOV R0, INVERSE_SHIFT_ROWS.D[0]
VMOV R1, INVERSE_SHIFT_ROWS.D[1]
VLD1 (R8), [t0.B16];
VTBL FLIP_MASK.B16, [t0.B16], t0.B16
VEOR t0.B16, FK_MASK.B16, t0.B16
@ -176,14 +180,13 @@ TEXT ·expandKeyAsm(SB),NOSPLIT,$0
VEOR t3.B16, x.B16, x.B16
VAND x.B16, NIBBLE_MASK.B16, XTMP7.B16
VTBL XTMP7.B16, [M1L.B16], y.B16
/*
VUSHR $4, x.D2, x.D2
VAND x.B16, NIBBLE_MASK.B16, XTMP7.B16
VTBL XTMP7.B16, [M1H.B16], XTMP7.B16
VEOR y.B16, XTMP7.B16, x.B16
VTBL INVERSE_SHIFT_ROWS.B16, [x.B16], x.B16
*/
VEOR y.B16, t0.B16, t0.B16
VEOR x.B16, t0.B16, t0.B16
VMOV t0.S[0], R2
MOVW.P R2, 4(R10)