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sm4: ppc64x, fix bug #249

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Sun Yimin 2024-09-12 16:08:15 +08:00 committed by GitHub
parent 11db64eb35
commit 5d9aa05746
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1 changed files with 8 additions and 6 deletions
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14
sm4/asm_ppc64x.s
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@ -212,6 +212,10 @@ TEXT ·encryptBlocksAsm(SB),NOSPLIT,$0
BEQ enc8blocks BEQ enc8blocks
enc4blocks: enc4blocks:
// prepare counter
MOVD $8, R7
MOVD R7, CTR
MOVD $16, R7 MOVD $16, R7
MOVD $32, R8 MOVD $32, R8
MOVD $48, R9 MOVD $48, R9
@ -220,9 +224,6 @@ enc4blocks:
PPC64X_LXVW4X(R5, R8, V2) PPC64X_LXVW4X(R5, R8, V2)
PPC64X_LXVW4X(R5, R9, V3) PPC64X_LXVW4X(R5, R9, V3)
PRE_TRANSPOSE_MATRIX(V0, V1, V2, V3) PRE_TRANSPOSE_MATRIX(V0, V1, V2, V3)
// prepare counter
MOVD $8, R7
MOVD R7, CTR
enc4blocksLoop: enc4blocksLoop:
// load xk // load xk
@ -239,6 +240,10 @@ enc4blocksLoop:
RET RET
enc8blocks: enc8blocks:
// prepare counter
MOVD $8, R7
MOVD R7, CTR
MOVD $16, R7 MOVD $16, R7
MOVD $32, R8 MOVD $32, R8
MOVD $48, R9 MOVD $48, R9
@ -256,9 +261,6 @@ enc8blocks:
PPC64X_LXVW4X(R5, R14, V7) PPC64X_LXVW4X(R5, R14, V7)
PRE_TRANSPOSE_MATRIX(V0, V1, V2, V3) PRE_TRANSPOSE_MATRIX(V0, V1, V2, V3)
PRE_TRANSPOSE_MATRIX(V4, V5, V6, V7) PRE_TRANSPOSE_MATRIX(V4, V5, V6, V7)
// prepare counter
MOVD $8, R7
MOVD R7, CTR
enc8blocksLoop: enc8blocksLoop:
LXVW4X (R3), V8 LXVW4X (R3), V8