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zuc: eia VPERMXOR for bit reverse

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Sun Yimin 2024-11-08 09:00:08 +08:00 committed by GitHub
parent 7c50a612cc
commit 9057b79253
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1 changed files with 15 additions and 25 deletions
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40
zuc/eia_asm_ppc64x.s
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@ -8,17 +8,15 @@
DATA ·rcon+0x00(SB)/8, $0x0706050403020100 // Permute for vector doubleword endian swap
DATA ·rcon+0x08(SB)/8, $0x0f0e0d0c0b0a0908
DATA ·rcon+0x10(SB)/8, $0x0f0f0f0f0f0f0f0f // bit_reverse_and_table
DATA ·rcon+0x18(SB)/8, $0x0f0f0f0f0f0f0f0f
DATA ·rcon+0x20(SB)/8, $0x0008040c020a060e // bit_reverse_table_l
DATA ·rcon+0x28(SB)/8, $0x0109050d030b070f // bit_reverse_table_l
DATA ·rcon+0x30(SB)/8, $0x0000000010111213 // data mask
DATA ·rcon+0x38(SB)/8, $0x0000000014151617 // data mask
DATA ·rcon+0x40(SB)/8, $0x0000000018191a1b // data mask
DATA ·rcon+0x48(SB)/8, $0x000000001c1d1e1f // data mask
DATA ·rcon+0x50(SB)/8, $0x0405060708090a0b // ks mask
DATA ·rcon+0x58(SB)/8, $0x0001020304050607 // ks mask
GLOBL ·rcon(SB), RODATA, $96
DATA ·rcon+0x10(SB)/8, $0x0008040c020a060e // bit_reverse_table_l
DATA ·rcon+0x18(SB)/8, $0x0109050d030b070f // bit_reverse_table_l
DATA ·rcon+0x20(SB)/8, $0x0000000010111213 // data mask
DATA ·rcon+0x28(SB)/8, $0x0000000014151617 // data mask
DATA ·rcon+0x30(SB)/8, $0x0000000018191a1b // data mask
DATA ·rcon+0x38(SB)/8, $0x000000001c1d1e1f // data mask
DATA ·rcon+0x40(SB)/8, $0x0405060708090a0b // ks mask
DATA ·rcon+0x48(SB)/8, $0x0001020304050607 // ks mask
GLOBL ·rcon(SB), RODATA, $80
#define XTMP1 V0
#define XTMP2 V1
@ -30,7 +28,6 @@ GLOBL ·rcon(SB), RODATA, $96
#define KS_M1 V9
#define BIT_REV_TAB_L V12
#define BIT_REV_TAB_H V13
#define BIT_REV_AND_TAB V14
#define PTR R7
@ -53,26 +50,18 @@ TEXT ·eia3Round16B(SB),NOSPLIT,$0
VPERM XDATA, XDATA, XTMP1, XDATA
#endif
LXVD2X (PTR)(R0), BIT_REV_AND_TAB
VAND BIT_REV_AND_TAB, XDATA, XTMP3
VSPLTISB $4, XTMP2;
VSRW XDATA, XTMP2, XTMP1
VAND BIT_REV_AND_TAB, XTMP1, XTMP1
MOVD $0x10, R8
LXVD2X (PTR)(R8), BIT_REV_TAB_L
LXVD2X (PTR)(R0), BIT_REV_TAB_L
VSLB BIT_REV_TAB_L, XTMP2, BIT_REV_TAB_H
VPERM BIT_REV_TAB_L, BIT_REV_TAB_L, XTMP1, XTMP1
VPERM BIT_REV_TAB_H, BIT_REV_TAB_H, XTMP3, XTMP3
VXOR XTMP1, XTMP3, XTMP3 // XTMP3 - bit reverse data bytes
VPERMXOR BIT_REV_TAB_L, BIT_REV_TAB_H, XDATA, XTMP3 // XTMP3 - bit reverse data bytes
// ZUC authentication part, 4x32 data bits
// setup data
VSPLTISB $0, XTMP2
MOVD $0x20, R8
MOVD $0x10, R8
LXVD2X (PTR)(R8), XTMP4
VPERM XTMP2, XTMP3, XTMP4, XTMP1
MOVD $0x30, R8
MOVD $0x20, R8
LXVD2X (PTR)(R8), XTMP4
VPERM XTMP2, XTMP3, XTMP4, XTMP2
@ -80,7 +69,8 @@ TEXT ·eia3Round16B(SB),NOSPLIT,$0
LXVW4X (R4), KS_L
MOVD $8, R8
LXVW4X (R8)(R4), KS_M1
MOVD $0x40, R8
// load ks mask
MOVD $0x30, R8
LXVD2X (PTR)(R8), XTMP4
VPERM KS_L, KS_L, XTMP4, KS_L
VPERM KS_M1, KS_M1, XTMP4, KS_M1