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fix #57

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Sun Yimin 2022-06-06 13:45:46 +08:00 committed by GitHub
parent bb0f4f7996
commit 92439288cb
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1 changed files with 19 additions and 19 deletions
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36
sm4/gcm_amd64.s
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@ -1770,27 +1770,21 @@ gcmSm4DecNibbles:
JBE gcmSm4DecSingles
SUBQ $64, ptxLen
MOVOU (0*16)(SP), B0
MOVOU (1*16)(SP), B1
MOVOU (2*16)(SP), B2
MOVOU (3*16)(SP), B3
MOVOU (0*16)(SP), B4
MOVOU (1*16)(SP), B5
MOVOU (2*16)(SP), B6
MOVOU (3*16)(SP), B7
SM4_4BLOCKS(rk, BX, T0, T1, T2, B0, B1, B2, B3)
SM4_4BLOCKS(rk, BX, T0, T1, T2, B4, B5, B6, B7)
MOVOU (16*14)(pTbl), T2
MOVOU (16*0)(ctx), T0
PXOR T0, B0
PXOR T0, B4
MOVOU (16*1)(ctx), T0
PXOR T0, B1
PXOR T0, B5
MOVOU (16*2)(ctx), T0
PXOR T0, B2
PXOR T0, B6
MOVOU (16*3)(ctx), T0
PXOR T0, B3
MOVOU B0, (16*0)(ptx)
MOVOU B1, (16*1)(ptx)
MOVOU B2, (16*2)(ptx)
MOVOU B3, (16*3)(ptx)
PXOR T0, B7
decGhashRound(0)
increment(0)
@ -1801,6 +1795,11 @@ gcmSm4DecNibbles:
decGhashRound(3)
increment(3)
MOVOU B4, (16*0)(ptx)
MOVOU B5, (16*1)(ptx)
MOVOU B6, (16*2)(ptx)
MOVOU B7, (16*3)(ptx)
LEAQ 64(ptx), ptx
LEAQ 64(ctx), ctx
@ -1827,12 +1826,13 @@ gcmSm4DecSinglesLoop:
JB gcmSm4DecTail
SUBQ $16, ptxLen
MOVOU (16*0)(BP), B0
MOVOU (16*0)(BP), B1
MOVOU (ctx), T0
PXOR T0, B0
MOVOU B0, (ptx)
PXOR T0, B1
decGhashRound(0)
MOVOU B1, (ptx)
LEAQ (16*1)(ptx), ptx
LEAQ (16*1)(ctx), ctx
ADDQ $16, BP