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optimize the memory loading

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Emman 2021-12-27 16:11:23 +08:00
parent ced4631f5f
commit cb8862bd6c
1 changed files with 26 additions and 23 deletions
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47
sm3/sm3block_arm64.s
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@ -152,14 +152,14 @@
COPYRESULT(b, d, f, h)
// func block(dig *digest, p []byte)
TEXT ·block(SB), 0, $1048-32
TEXT ·block(SB), 0, $272-32
MOVD dig+0(FP), hlp1
MOVD p_base+8(FP), SI
MOVD p_len+16(FP), DX
MOVD RSP, BP
AND $~63, DX
CBZ DX, end
AND $~63, DX
CBZ DX, end
ADD SI, DX, DI
@ -169,6 +169,15 @@ TEXT ·block(SB), 0, $1048-32
LDPW (3*8)(hlp1), (R25, R26)
loop:
MOVW R19, R10
MOVW R20, R11
MOVW R21, R12
MOVW R22, R13
MOVW R23, R14
MOVW R24, R15
MOVW R25, R16
MOVW R26, R17
MSGSCHEDULE0(0)
MSGSCHEDULE0(1)
MSGSCHEDULE0(2)
@ -241,29 +250,23 @@ loop:
SM3ROUND2(62, 0x9ea1e762, R21, R22, R23, R24, R25, R26, R19, R20)
SM3ROUND2(63, 0x3d43cec5, R20, R21, R22, R23, R24, R25, R26, R19)
LDPW (0*8)(hlp1), (AX, BX)
EORW AX, R19 // H0 = a XOR H0
EORW BX, R20 // H1 = b XOR H1
STPW (R19, R20), (0*8)(hlp1)
LDPW (1*8)(hlp1), (AX, BX)
EORW AX, R21 // H2 = c XOR H2
EORW BX, R22 // H3 = d XOR H3
STPW (R21, R22), (1*8)(hlp1)
LDPW (2*8)(hlp1), (AX, BX)
EORW AX, R23 // H4 = e XOR H4
EORW BX, R24 // H5 = f XOR H5
STPW (R23, R24), (2*8)(hlp1)
LDPW (3*8)(hlp1), (AX, BX)
EORW AX, R25 // H6 = g XOR H6
EORW BX, R26 // H7 = h XOR H7
STPW (R25, R26), (3*8)(hlp1)
EORW R10, R19 // H0 = a XOR H0
EORW R11, R20 // H1 = b XOR H1
EORW R12, R21 // H0 = a XOR H0
EORW R13, R22 // H1 = b XOR H1
EORW R14, R23 // H0 = a XOR H0
EORW R15, R24 // H1 = b XOR H1
EORW R16, R25 // H0 = a XOR H0
EORW R17, R26 // H1 = b XOR H1
ADD $64, SI
CMP SI, DI
BNE loop
STPW (R19, R20), (0*8)(hlp1)
STPW (R21, R22), (0*8)(hlp1)
STPW (R23, R24), (0*8)(hlp1)
STPW (R25, R26), (0*8)(hlp1)
end:
RET