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zuc: eea ppc64x, fix 1 #255

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Sun Yimin 2024-10-03 16:26:28 +08:00 committed by GitHub
parent 12dcfbac1c
commit 0760bce984
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1 changed files with 10 additions and 3 deletions
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zuc/asm_ppc64x.s
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@ -321,7 +321,7 @@ TEXT ·genKeywordAsm(SB),NOSPLIT,$0
XOR W, W \
LFSR_UPDT(idx, addr, W, tmpR1, tmpR2, tmpR3, tmpR4)
#define ONEROUND_REV32(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4) \
#define ONEROUND_REV32LE(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4) \
BITS_REORG(idx, addr, W, tmpR1, tmpR2, tmpR3) \
NONLIN_FUN(W, tmpR1, tmpR2, tmpR3) \
XOR BRC_X3, W \
@ -330,11 +330,17 @@ TEXT ·genKeywordAsm(SB),NOSPLIT,$0
XOR W, W \
LFSR_UPDT(idx, addr, W, tmpR1, tmpR2, tmpR3, tmpR4)
#ifdef GOARCH_ppc64le
#define ONEROUND_REV32(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4) ONEROUND_REV32LE(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4)
#else
#define ONEROUND_REV32(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4) ONEROUND(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4)
#endif
// func genKeyStreamAsm(keyStream []uint32, pState *zucState32)
TEXT ·genKeyStreamAsm(SB),NOSPLIT,$0
LOAD_CONSTS
MOVD pState+0(FP), R4
MOVD pState+24(FP), R4
MOVD ks+0(FP), R3
MOVD ks_len+8(FP), R5
@ -420,10 +426,11 @@ zucRet:
TEXT ·genKeyStreamRev32Asm(SB),NOSPLIT,$0
LOAD_CONSTS
MOVD pState+0(FP), R4
MOVD pState+24(FP), R4
MOVD ks+0(FP), R3
MOVD ks_len+8(FP), R5
SRD $2, R5, R5
LOAD_STATE(R4)
CMP R5, $16