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sm4: ppc64x expand key debug 3

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Sun Yimin 2024-09-10 17:46:54 +08:00 committed by GitHub
parent 5a8c253a5a
commit 086ea1267b
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GPG Key ID: B5690EEEBB952194
1 changed files with 13 additions and 16 deletions
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29
sm4/asm_ppc64x.s
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@ -6,7 +6,7 @@
#include "textflag.h" #include "textflag.h"
#define REVERSE_WORDS V23 #define REVERSE_WORDS V19
#define V_FOUR V24 #define V_FOUR V24
#define M0 V25 #define M0 V25
#define M1 V26 #define M1 V26
@ -173,36 +173,33 @@ TEXT ·expandKeyAsm(SB),NOSPLIT,$0
ADD $112, R6 ADD $112, R6
// prepare counter // prepare counter
// MOVD $8, R7 MOVD $8, R7
// MOVD R7, CTR MOVD R7, CTR
VSPLTISB $0, V6 // VZERO V6
// load key // load key
PPC64X_LXVW4X(R3, R0, V0) PPC64X_LXVW4X(R3, R0, V0)
VSLDOI $4, V0, V6, V1 VSLDOI $4, V0, V0, V1
VSLDOI $4, V1, V6, V2 VSLDOI $4, V1, V1, V2
VSLDOI $4, V2, V6, V3 VSLDOI $4, V2, V2, V3
ksLoop: ksLoop:
VSPLTISB $0, V5 // VZERO V5
LXVW4X (R4), V4 LXVW4X (R4), V4
SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V0, V1, V2, V3, V5) SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V0, V1, V2, V3, V5)
VSLDOI $4, V4, V6, V4 VSLDOI $4, V4, V4, V4
SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V1, V2, V3, V0, V5) SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V1, V2, V3, V0, V5)
VSLDOI $4, V4, V6, V4 VSLDOI $4, V4, V4, V4
SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V2, V3, V0, V1, V5) SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V2, V3, V0, V1, V5)
VSLDOI $4, V4, V6, V4 VSLDOI $4, V4, V4, V4
SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V3, V0, V1, V2, V5) SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V3, V0, V1, V2, V5)
STXVW4X V5, (R5) STXVW4X V5, (R5)
VPERM V5, V6, REVERSE_WORDS, V5 VPERM V5, V5, REVERSE_WORDS, V5
STXVW4X REVERSE_WORDS, (R6) STXVW4X V5, (R6)
/*
ADD $16, R5 ADD $16, R5
ADD $16, R4 ADD $16, R4
ADD $-16, R6 ADD $-16, R6
BDNZ ksLoop BDNZ ksLoop
*/
RET RET
// func encryptBlocksAsm(xk *uint32, dst, src []byte, inst int) // func encryptBlocksAsm(xk *uint32, dst, src []byte, inst int)